Make a separate WASM prep step for windows

* Fix unrelated bug, settings button in the home sidebar
doesn't go to the home settings after my previous fixes to routes

* Turn on "Replay Onboarding" button in home settings

* Add icons

* Add Tooltip component

* Rough-in of sidebar styling and add initial File Tree

* Polish basic styling

* Show nested files and directories

* Add tests

* use camelCase for entrypointMetadata

* Add ability to switch files via links

* Revert "Improve Prop Typings for Modals. Remove instances of `any`. (… (#813)

Revert "Improve Prop Typings for Modals. Remove instances of `any`. (#792)"

This reverts commit 629f326f4c.

* ffmpeg instructions (#814)

* Formatting

* Remove folder names from display in app header

* Highlight current file, open folders it's within

* Navigate on double click, delete on Cmd + Esc
+ highlight focused folders

* Migrate to an XState machine, add create new file

* Add ability to create folders (with naive names)
+ remove command bar stuff for now

* Use route loader data to instantiate the kcl code

* Clean up some unused things

* Add ability to rename files

* Add ability to rename folders

* Add keyboard shortcuts for creating files/folders

* Tooltip style tweaks

* Polish + re-execute when switching files with a connection

* Reset code before navigating via file tree

* Don't invoke `readProject` if you're in a browser

* Show files and folders for projects on home page

* Don't highlight folders further down the file tree

* @jgomez720 and @jessfraz feedback:
+ indentation markers
+ proper file icon
+ bump down font size
+ touch up colors

* Tune down spacing, allow scroll overflow

* Fix formatting

* Update src/lib/tauriFS.ts

* Add a confirmation dialog when deleting

Signed-off-by: Frank Noirot <frank@kittycad.io>

---------

Signed-off-by: Frank Noirot <frank@kittycad.io>
Co-authored-by: Kurt Hutten <k.hutten@protonmail.ch>

.github/workflows/cargo-build.yml

@@ -15,6 +15,9 @@ on:
       - '**/Cargo.lock'
       - '**/rust-toolchain.toml'
       - .github/workflows/cargo-build.yml
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
 name: cargo build
 jobs:
   cargobuild:

.github/workflows/cargo-clippy.yml

@@ -15,6 +15,9 @@ on:
       - '**/rust-toolchain.toml'
       - '**.rs'
       - .github/workflows/cargo-build.yml
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
 name: cargo clippy
 jobs:
   cargoclippy:
@@ -54,4 +57,4 @@ jobs:
       - name: Run clippy
         run: |
           cd "${{ matrix.dir }}"
-          cargo clippy --all --tests -- -D warnings
+          cargo clippy --all --tests --benches -- -D warnings

.github/workflows/cargo-criterion.yml

@@ -0,0 +1,40 @@
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - '**.rs'
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+      - '**/rust-toolchain.toml'
+      - .github/workflows/cargo-criterion.yml
+  pull_request:
+    paths:
+      - '**.rs'
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+      - '**/rust-toolchain.toml'
+      - .github/workflows/cargo-criterion.yml
+  workflow_dispatch:
+permissions: read-all
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+name: cargo criterion
+jobs:
+  cargocriterion:
+    name: cargo criterion
+    runs-on: ubuntu-latest-8-cores
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Install dependencies
+        run: |
+          cargo install cargo-criterion
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@v2.6.1
+      - name: Benchmark kcl library
+        shell: bash
+        run: |-
+          cd src/wasm-lib/kcl; cargo criterion
+

.github/workflows/cargo-fmt.yml

@@ -18,6 +18,9 @@ on:
 permissions:
   packages: read
   contents: read
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
 name: cargo fmt
 jobs:
   cargofmt:

.github/workflows/cargo-test.yml

@@ -17,6 +17,9 @@ on:
       - .github/workflows/cargo-test.yml
   workflow_dispatch:
 permissions: read-all
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
 name: cargo test
 jobs:
   cargotest:
@@ -58,4 +61,5 @@ jobs:
           cargo nextest run --workspace --no-fail-fast -P ci
         env:
           KITTYCAD_API_TOKEN: ${{secrets.KITTYCAD_API_TOKEN}}
+          RUST_MIN_STACK: 10485760000
 

.github/workflows/ci.yml

@@ -7,7 +7,14 @@ on:
       - main
   release:
     types: [published]
+  schedule:
+    - cron: '0 4 * * *'
+  # Daily at 04:00 AM UTC
+  # Will checkout the last commit from the default branch (main as of 2023-10-04)
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
 jobs:
   check-format:
     runs-on: 'ubuntu-20.04'
@@ -39,8 +46,6 @@ jobs:
 
   build-test-web:
     runs-on: ubuntu-20.04
-    outputs:
-      version: ${{ steps.export_version.outputs.version }}
     steps:
       - uses: actions/checkout@v4
 
@@ -63,11 +68,37 @@ jobs:
 
       - run: yarn test:cov
 
+  prepare-json-files:
+    runs-on: ubuntu-20.04 # seperate job on Ubuntu for easy string manipulations (compared to Windows)
+    outputs:
+      version: ${{ steps.export_version.outputs.version }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v3
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'yarn'
+
+      - name: Set nightly version
+        if: github.event_name == 'schedule'
+        run: |
+          VERSION=$(date +'%-y.%-m.%-d') yarn bump-jsons
+          echo "$(jq --arg url 'https://dl.kittycad.io/releases/modeling-app/test/nightly/last_update.json' \
+            '.tauri.updater.endpoints[]=$url' src-tauri/tauri.conf.json --indent 2)" > src-tauri/tauri.conf.json
+
+      - uses: actions/upload-artifact@v3
+        if: github.event_name == 'schedule'
+        with:
+          path: |
+            package.json
+            src-tauri/tauri.conf.json
+
       - id: export_version
         run: echo "version=`cat package.json | jq -r '.version'`" >> "$GITHUB_OUTPUT"
 
   build-apps:
-    needs: [check-format, build-test-web, check-types]
+    needs: [check-format, build-test-web, prepare-json-files, check-types]
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
@@ -75,6 +106,15 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - uses: actions/download-artifact@v3
+
+      - name: Copy updated .json files
+        if: github.event_name == 'schedule'
+        run: |
+          ls -l artifact
+          cp artifact/package.json package.json
+          cp artifact/src-tauri/tauri.conf.json src-tauri/tauri.conf.json
+
       - name: install ubuntu system dependencies
         if: matrix.os == 'ubuntu-20.04'
         run: |
@@ -101,7 +141,8 @@ jobs:
         with:
           workspaces: './src/wasm-lib'
 
-      - name: wasm prep
+      - name: wasm prep - linux/mac
+        if: matrix.os != 'windows-latest'
         shell: bash
         run: |
           mkdir src/wasm-lib/pkg; cd src/wasm-lib
@@ -109,6 +150,15 @@ jobs:
           cd ../../
           cp src/wasm-lib/pkg/wasm_lib_bg.wasm public
 
+      - name: wasm prep - windows
+        if: matrix.os == 'windows-latest'
+        shell: pwsh
+        run: |
+          mkdir src\wasm-lib\pkg; cd src\wasm-lib
+          npx wasm-pack build --target web --out-dir pkg
+          cd ..\..\
+          cp src\wasm-lib\pkg\wasm_lib_bg.wasm public
+
       - name: Fix format
         run: yarn fmt
 
@@ -153,6 +203,7 @@ jobs:
           APPLE_SIGNING_IDENTITY: ${{ secrets.APPLE_SIGNING_IDENTITY }}
           APPLE_ID: ${{ secrets.APPLE_ID }}
           APPLE_PASSWORD: ${{ secrets.APPLE_PASSWORD }}
+          APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
         with:
           args: ${{ matrix.os == 'macos-latest' && '--target universal-apple-darwin' || '' }}
 
@@ -162,12 +213,14 @@ jobs:
 
   publish-apps-release:
     runs-on: ubuntu-20.04
-    if: github.event_name == 'release'
-    needs: [build-test-web, build-apps]
+    if: ${{ github.event_name == 'release' || github.event_name == 'schedule' }}
+    needs: [build-test-web, prepare-json-files, build-apps]
     env:
-      VERSION_NO_V: ${{ needs.build-test-web.outputs.version }}
-      PUB_DATE: ${{ github.event.release.created_at }}
-      NOTES: ${{ github.event.release.body }}
+      VERSION_NO_V: ${{ needs.prepare-json-files.outputs.version }}
+      VERSION: ${{ github.event_name == 'release' && format('v{0}', needs.prepare-json-files.outputs.version) || needs.prepare-json-files.outputs.version }}
+      PUB_DATE: ${{ github.event_name == 'release' && github.event.release.created_at || github.event.repository.updated_at }}
+      NOTES: ${{ github.event_name == 'release' && github.event.release.body || format('Nightly build, commit {0}', github.sha) }}
+      BUCKET_DIR: ${{ github.event_name == 'release' && 'dl.kittycad.io/releases/modeling-app' || 'dl.kittycad.io/releases/modeling-app/nightly' }}
     steps:
       - uses: actions/download-artifact@v3
 
@@ -177,9 +230,9 @@ jobs:
           DARWIN_SIG=`cat artifact/macos/*.app.tar.gz.sig`
           LINUX_SIG=`cat artifact/appimage/*.AppImage.tar.gz.sig`
           WINDOWS_SIG=`cat artifact/msi/*.msi.zip.sig`
-          RELEASE_DIR=https://dl.kittycad.io/releases/modeling-app/v${VERSION_NO_V}
+          RELEASE_DIR=https://${BUCKET_DIR}/${VERSION}
           jq --null-input \
-            --arg version "v${VERSION_NO_V}" \
+            --arg version "${VERSION}" \
             --arg pub_date "${PUB_DATE}" \
             --arg notes "${NOTES}" \
             --arg darwin_sig "$DARWIN_SIG" \
@@ -215,9 +268,9 @@ jobs:
 
       - name: Generate the download static endpoint
         run: |
-          RELEASE_DIR=https://dl.kittycad.io/releases/modeling-app/v${VERSION_NO_V}
+          RELEASE_DIR=https://${BUCKET_DIR}/${VERSION}
           jq --null-input \
-            --arg version "v${VERSION_NO_V}" \
+            --arg version "${VERSION}" \
             --arg pub_date "${PUB_DATE}" \
             --arg notes "${NOTES}" \
             --arg darwin_url "$RELEASE_DIR/dmg/KittyCAD%20Modeling_${VERSION_NO_V}_universal.dmg" \
@@ -257,21 +310,22 @@ jobs:
           path: artifact
           glob: '*/*itty*'
           parent: false
-          destination: dl.kittycad.io/releases/modeling-app/v${{ env.VERSION_NO_V }}
+          destination: ${{ env.BUCKET_DIR }}/${{ env.VERSION }}
 
       - name: Upload update endpoint to public bucket
         uses: google-github-actions/upload-cloud-storage@v1.0.3
         with:
           path: last_update.json
-          destination: dl.kittycad.io/releases/modeling-app
+          destination: ${{ env.BUCKET_DIR }}
 
       - name: Upload download endpoint to public bucket
         uses: google-github-actions/upload-cloud-storage@v1.0.3
         with:
           path: last_download.json
-          destination: dl.kittycad.io/releases/modeling-app
+          destination: ${{ env.BUCKET_DIR }}
 
       - name: Upload release files to Github
+        if: ${{ github.event_name == 'release' }}
         uses: softprops/action-gh-release@v1
         with:
           files: artifact/*/*itty*

.gitignore

@@ -22,6 +22,11 @@ npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 
+.idea
+.vscode
+src/wasm-lib/.idea
+src/wasm-lib/.vscode
+
 # rust
 src/wasm-lib/target
 src/wasm-lib/bindings

.prettierignore

@@ -7,3 +7,6 @@ coverage
 target
 src/wasm-lib/pkg
 src/wasm-lib/kcl/bindings
+
+# XState generated files
+src/machines/modelingMachine.typegen.ts

LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2023 The KittyCAD Authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -29,6 +29,7 @@ The 3D view in KittyCAD Modeling App is just a video stream from our hosted geom
   - [React](https://react.dev/)
   - [Headless UI](https://headlessui.com/)
   - [TailwindCSS](https://tailwindcss.com/)
+  - [XState](https://xstate.js.org/)
 - Networking
   - WebSockets (via [KittyCAD TS client](https://github.com/KittyCAD/kittycad.ts))
 - Code Editor
@@ -56,7 +57,7 @@ yarn install
 followed by:
 
 ```
-yarn build:wasm
+yarn build:wasm-dev
 ```
 
 That will build the WASM binary and put in the `public` dir (though gitignored)
@@ -88,9 +89,16 @@ yarn test
 
 Which will run our suite of [Vitest unit](https://vitest.dev/) and [React Testing Library E2E](https://testing-library.com/docs/react-testing-library/intro/) tests, in interactive mode by default.
 
+For running the rust (not tauri rust though) only, you can
+```bash
+cd src/wasm-lib
+cargo test
+```
+but you will need to have install ffmpeg prior to.
+
 ## Tauri
 
-To spin up up tauri dev, `yarn install` and `yarn build:wasm` need to have been done before hand then
+To spin up up tauri dev, `yarn install` and `yarn build:wasm-dev` need to have been done before hand then
 
 ```
 yarn tauri dev
@@ -123,13 +131,24 @@ Before you submit a contribution PR to this repo, please ensure that:
 
 ## Release a new version
 
-1. Bump the versions in the .json files by creating a `Bump to v{x}.{y}.{z}` PR, committing the changes from
+1. Bump the versions in the .json files by creating a `Cut release v{x}.{y}.{z}` PR, committing the changes from
 
 ```bash
 VERSION=x.y.z yarn run bump-jsons
 ```
 
-The PR may serve as a place to discuss the human-readable changelog and extra QA.
+The PR may serve as a place to discuss the human-readable changelog and extra QA. A quick way of getting PR's merged since the last bump is to [use this PR filter](https://github.com/KittyCAD/modeling-app/pulls?q=is%3Apr+sort%3Aupdated-desc+is%3Amerged+), open up the browser console and past in the following
+
+```typescript
+console.log(
+  '- ' +
+    Array.from(
+      document.querySelectorAll('[data-hovercard-type="pull_request"]')
+    ).map((a) => `[${a.innerText}](${a.href})`).join(`
+- `)
+)
+```
+grab the md list and delete any that are older than the last bump
 
 2. Merge the PR
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "untitled-app",
-  "version": "0.8.2",
+  "version": "0.10.0",
   "private": true,
   "dependencies": {
     "@codemirror/autocomplete": "^6.9.0",
@@ -10,13 +10,13 @@
     "@fortawesome/react-fontawesome": "^0.2.0",
     "@headlessui/react": "^1.7.13",
     "@headlessui/tailwindcss": "^0.2.0",
-    "@kittycad/lib": "^0.0.37",
+    "@kittycad/lib": "^0.0.43",
     "@lezer/javascript": "^1.4.7",
     "@open-rpc/client-js": "^1.8.1",
     "@react-hook/resize-observer": "^1.2.6",
     "@replit/codemirror-interact": "^6.3.0",
     "@sentry/react": "^7.65.0",
-    "@tauri-apps/api": "^1.3.0",
+    "@tauri-apps/api": "^1.5.0",
     "@testing-library/jest-dom": "^5.14.1",
     "@testing-library/react": "^13.0.0",
     "@testing-library/user-event": "^13.2.1",
@@ -25,13 +25,15 @@
     "@types/react": "^18.0.0",
     "@types/react-dom": "^18.0.0",
     "@uiw/react-codemirror": "^4.21.13",
+    "@xstate/inspect": "^0.8.0",
     "@xstate/react": "^3.2.2",
     "crypto-js": "^4.1.1",
+    "debounce-promise": "^3.1.2",
     "formik": "^2.4.3",
     "fuse.js": "^6.6.2",
     "http-server": "^14.1.1",
     "json-rpc-2.0": "^1.6.0",
-    "re-resizable": "^6.9.9",
+    "re-resizable": "^6.9.11",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-hot-toast": "^2.4.1",
@@ -47,7 +49,7 @@
     "ts-node": "^10.9.1",
     "typescript": "^4.4.2",
     "uuid": "^9.0.0",
-    "vitest": "^0.34.1",
+    "vitest": "^0.34.6",
     "vscode-jsonrpc": "^8.1.0",
     "vscode-languageserver-protocol": "^3.17.3",
     "wasm-pack": "^0.12.1",
@@ -65,12 +67,13 @@
     "pretest": "yarn remove-importmeta",
     "test": "vitest --mode development",
     "test:nowatch": "vitest run --mode development",
-    "test:rust": "(cd src/wasm-lib && cargo test --all && cargo clippy --all --tests)",
+    "test:rust": "(cd src/wasm-lib && cargo test --all && cargo clippy --all --tests --benches)",
     "test:cov": "vitest run --coverage --mode development",
     "simpleserver:ci": "yarn pretest && http-server ./public --cors -p 3000 &",
     "simpleserver": "yarn pretest && http-server ./public --cors -p 3000",
     "fmt": "prettier --write ./src",
     "fmt-check": "prettier --check ./src",
+    "build:wasm-dev": "(cd src/wasm-lib && wasm-pack build --dev --target web --out-dir pkg && cargo test -p kcl-lib export_bindings) && cp src/wasm-lib/pkg/wasm_lib_bg.wasm public && yarn fmt",
     "build:wasm": "(cd src/wasm-lib && wasm-pack build --target web --out-dir pkg && cargo test -p kcl-lib export_bindings) && cp src/wasm-lib/pkg/wasm_lib_bg.wasm public && yarn fmt",
     "build:wasm-clean": "yarn wasm-prep && yarn build:wasm",
     "remove-importmeta": "sed -i 's/import.meta.url/window.location.origin/g' \"./src/wasm-lib/pkg/wasm_lib.js\"; sed -i '' 's/import.meta.url/window.location.origin/g' \"./src/wasm-lib/pkg/wasm_lib.js\" || echo \"sed for both mac and linux\"",
@@ -99,9 +102,9 @@
   "devDependencies": {
     "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
     "@babel/preset-env": "^7.22.9",
-    "@tauri-apps/cli": "^1.3.1",
+    "@tauri-apps/cli": "^1.5.0",
     "@types/crypto-js": "^4.1.1",
-    "@types/debounce": "^1.2.1",
+    "@types/debounce-promise": "^3.1.6",
     "@types/isomorphic-fetch": "^0.0.36",
     "@types/react-modal": "^3.16.0",
     "@types/uuid": "^9.0.1",
@@ -115,7 +118,7 @@
     "eslint-plugin-css-modules": "^2.11.0",
     "happy-dom": "^10.8.0",
     "husky": "^8.0.3",
-    "postcss": "^8.4.19",
+    "postcss": "^8.4.31",
     "prettier": "^2.8.0",
     "setimmediate": "^1.0.5",
     "tailwindcss": "^3.2.4",

public/Icon/Icon/Projects/Create File.svg

@@ -0,0 +1,3 @@
+<svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M4 3H4.5H11H11.2071L11.3536 3.14645L15.8536 7.64646L16 7.7929V8.00001V11.3773C15.6992 11.1362 15.3628 10.9376 15 10.7908V8.50001H11H10.5V8.00001V4H5V16H9.79076C9.93763 16.3628 10.1362 16.6992 10.3773 17H4.5H4V16.5V3.5V3ZM11.5 4.70711L14.2929 7.50001H11.5V4.70711ZM13 12V14H11V15H13V17H14V15H16V14H14V12H13Z" fill="black"/>
+</svg>

public/Icon/Icon/Projects/Create Folder.svg

@@ -0,0 +1,3 @@
+<svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M3.5 3.5H4H7H7.16667L7.3 3.6L9.16667 5H16H16.5V5.5V7.5V10.3773C16.1992 10.1362 15.8628 9.93763 15.5 9.79076V8H4.5V15.5H10.5351C10.7529 15.8764 11.0302 16.2141 11.3542 16.5H4H3.5V16V7.5V4V3.5ZM4.5 4.5V7H15.5V6H9H8.83333L8.7 5.9L6.83333 4.5H4.5ZM13.5 11V13H11.5V14H13.5V16H14.5V14H16.5V13H14.5V11H13.5Z" fill="black"/>
+</svg>

public/Icon/Icon/Projects/File.svg

@@ -0,0 +1,3 @@
+<svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M11 3.5H4.5V16.5H15.5V8.00001M11 3.5L15.5 8.00001M11 3.5V8.00001H15.5" stroke="black"/>
+</svg>

public/kcl-icon.svg

@@ -0,0 +1,3 @@
+<svg width="40" height="40" viewBox="0 0 40 40" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M40 0H0V40H40V0ZM7.34715 27.2143V15.6577L2.976 15.987V36.7949H7.34715V32.0645L8.00582 31.5256C8.24533 31.326 8.47487 31.1264 8.69442 30.9268L12.1075 36.7949H17.0475C16.1893 35.3978 15.311 33.9906 14.4128 32.5735C13.5346 31.1563 12.6664 29.7392 11.8081 28.3221L15.8499 24.9389C15.4308 24.4399 15.0017 23.931 14.5625 23.412L13.3051 21.8552L7.34715 27.2143ZM22.2581 26.6754C22.8769 25.9169 23.6753 25.5377 24.6533 25.5377C25.272 25.5377 25.8309 25.6175 26.3299 25.7772C26.8289 25.9169 27.4177 26.1465 28.0963 26.4658L29.3238 23.3521C28.5853 22.7933 27.7371 22.4041 26.779 22.1845C25.8409 21.9649 25.0625 21.8552 24.4437 21.8552C22.0885 21.8552 20.2223 22.5537 18.845 23.9509C17.4878 25.3281 16.8092 27.1944 16.8092 29.5496C16.8092 31.9048 17.4878 33.7611 18.845 35.1183C20.2223 36.4756 22.0885 37.1542 24.4437 37.1542C25.0625 37.1542 25.8509 37.0444 26.8089 36.8249C27.767 36.6053 28.6053 36.2161 29.3238 35.6572L28.0963 32.5435C27.4177 32.8629 26.8289 33.0924 26.3299 33.2321C25.8309 33.3718 25.272 33.4417 24.6533 33.4417C23.6753 33.4417 22.8769 33.0924 22.2581 32.3938C21.6594 31.6753 21.36 30.7272 21.36 29.5496C21.36 28.372 21.6594 27.4139 22.2581 26.6754ZM36.2796 36.7949V15.6577L31.9085 15.987V36.7949H36.2796Z" fill="#D0FF00"/>
+</svg>

src-tauri/Cargo.lock

@@ -84,7 +84,7 @@ dependencies = [
  "tauri-build",
  "tauri-plugin-fs-extra",
  "tokio",
- "toml 0.8.0",
+ "toml 0.8.2",
 ]
 
 [[package]]
@@ -155,6 +155,20 @@ version = "0.21.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d"
 
+[[package]]
+name = "bigdecimal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "454bca3db10617b88b566f205ed190aedb0e0e6dd4cad61d3988a72e8c5594cb"
+dependencies = [
+ "autocfg",
+ "libm",
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+ "serde",
+]
+
 [[package]]
 name = "bincode"
 version = "1.3.3"
@@ -1295,7 +1309,21 @@ checksum = "e5c13fb08e5d4dfc151ee5e88bae63f7773d61852f3bdc73c9f4b9e1bde03148"
 dependencies = [
  "log",
  "mac",
- "markup5ever",
+ "markup5ever 0.10.1",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "html5ever"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bea68cab48b8459f17cf1c944c67ddc572d272d9f2b274140f223ecb1da4a3b7"
+dependencies = [
+ "log",
+ "mac",
+ "markup5ever 0.11.0",
  "proc-macro2",
  "quote",
  "syn 1.0.109",
@@ -1630,13 +1658,14 @@ dependencies = [
 
 [[package]]
 name = "kittycad"
-version = "0.2.25"
+version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9cf962b1e81a0b4eb923a727e761b40672cbacc7f5f0b75e13579d346352bc7"
+checksum = "d341a81a4dfef43460d395c87d86c17e24affb96db0e7f4a35e8688f0e092344"
 dependencies = [
  "anyhow",
  "async-trait",
  "base64 0.21.2",
+ "bigdecimal",
  "bytes",
  "chrono",
  "data-encoding",
@@ -1671,7 +1700,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ea8e9c6e031377cff82ee3001dc8026cdf431ed4e2e6b51f98ab8c73484a358"
 dependencies = [
  "cssparser",
- "html5ever",
+ "html5ever 0.25.2",
+ "matches",
+ "selectors",
+]
+
+[[package]]
+name = "kuchikiki"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f29e4755b7b995046f510a7520c42b2fed58b77bd94d5a87a8eb43d2fd126da8"
+dependencies = [
+ "cssparser",
+ "html5ever 0.26.0",
+ "indexmap 1.9.3",
  "matches",
  "selectors",
 ]
@@ -1688,6 +1730,12 @@ version = "0.2.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b"
 
+[[package]]
+name = "libm"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7012b1bbb0719e1097c47611d3898568c546d597c2e74d66f6087edd5233ff4"
+
 [[package]]
 name = "line-wrap"
 version = "0.1.1"
@@ -1727,9 +1775,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.18"
+version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "518ef76f2f87365916b142844c16d8fefd85039bc5699050210a7778ee1cd1de"
+checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 dependencies = [
  "serde",
 ]
@@ -1781,7 +1829,21 @@ checksum = "a24f40fb03852d1cdd84330cddcaf98e9ec08a7b7768e952fad3b4cf048ec8fd"
 dependencies = [
  "log",
  "phf 0.8.0",
- "phf_codegen",
+ "phf_codegen 0.8.0",
+ "string_cache",
+ "string_cache_codegen",
+ "tendril",
+]
+
+[[package]]
+name = "markup5ever"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a2629bb1404f3d34c2e921f21fd34ba00b206124c81f65c50b43b6aaefeb016"
+dependencies = [
+ "log",
+ "phf 0.10.1",
+ "phf_codegen 0.10.0",
  "string_cache",
  "string_cache_codegen",
  "tendril",
@@ -1959,6 +2021,17 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "num-bigint"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "608e7659b5c3d7cba262d894801b9ec9d00de989e8a82bd4bef91d08da45cdc0"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.45"
@@ -1982,9 +2055,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "f30b0abd723be7e2ffca1272140fac1a2f084c77ec3e123c192b66af1ee9e6c2"
 dependencies = [
  "autocfg",
 ]
@@ -2342,6 +2415,16 @@ dependencies = [
  "phf_shared 0.8.0",
 ]
 
+[[package]]
+name = "phf_codegen"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fb1c3a8bc4dd4e5cfce29b44ffc14bedd2ee294559a294e2a4d4c9e9a6a13cd"
+dependencies = [
+ "phf_generator 0.10.0",
+ "phf_shared 0.10.0",
+]
+
 [[package]]
 name = "phf_generator"
 version = "0.8.0"
@@ -2410,9 +2493,9 @@ dependencies = [
 
 [[package]]
 name = "phonenumber"
-version = "0.3.2+8.13.9"
+version = "0.3.3+8.13.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34749f64ea9d76f10cdc8a859588b57775f59177c7dd91f744d620bd62982d6f"
+checksum = "635f3e6288e4f01c049d89332a031bd74f25d64b6fb94703ca966e819488cd06"
 dependencies = [
  "bincode",
  "either",
@@ -2425,6 +2508,7 @@ dependencies = [
  "regex-cache",
  "serde",
  "serde_derive",
+ "strum",
  "thiserror",
 ]
 
@@ -3021,10 +3105,11 @@ dependencies = [
 
 [[package]]
 name = "schemars"
-version = "0.8.13"
+version = "0.8.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "763f8cd0d4c71ed8389c90cb8100cba87e763bd01a8e614d4f0af97bcd50a161"
+checksum = "1f7b0ce13155372a76ee2e1c5ffba1fe61ede73fbea5630d61eee6fac4929c0c"
 dependencies = [
+ "bigdecimal",
  "bytes",
  "chrono",
  "dyn-clone",
@@ -3037,9 +3122,9 @@ dependencies = [
 
 [[package]]
 name = "schemars_derive"
-version = "0.8.13"
+version = "0.8.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0f696e21e10fa546b7ffb1c9672c6de8fbc7a81acf59524386d8639bf12737"
+checksum = "e85e2a16b12bdb763244c69ab79363d71db2b4b918a2def53f80b02e0574b13c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3105,7 +3190,7 @@ dependencies = [
  "log",
  "matches",
  "phf 0.8.0",
- "phf_codegen",
+ "phf_codegen 0.8.0",
  "precomputed-hash",
  "servo_arc",
  "smallvec",
@@ -3123,9 +3208,9 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.188"
+version = "1.0.189"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf9e0fcba69a370eed61bcf2b728575f726b50b55cba78064753d708ddc7549e"
+checksum = "8e422a44e74ad4001bdc8eede9a4570ab52f71190e9c076d14369f38b9200537"
 dependencies = [
  "serde_derive",
 ]
@@ -3141,9 +3226,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.188"
+version = "1.0.189"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
+checksum = "1e48d1f918009ce3145511378cf68d613e3b3d9137d67272562080d68a2b32d5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3458,6 +3543,28 @@ dependencies = [
  "syn 2.0.33",
 ]
 
+[[package]]
+name = "strum"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "063e6045c0e62079840579a7e47a355ae92f60eb74daaf156fb1e84ba164e63f"
+dependencies = [
+ "strum_macros",
+]
+
+[[package]]
+name = "strum_macros"
+version = "0.24.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e385be0d24f186b4ce2f9982191e7101bb737312ad61c1f2f984f34bcf85d59"
+dependencies = [
+ "heck 0.4.1",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -3605,9 +3712,9 @@ dependencies = [
 
 [[package]]
 name = "tauri"
-version = "1.4.1"
+version = "1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fbe522898e35407a8e60dc3870f7579fea2fc262a6a6072eccdd37ae1e1d91e"
+checksum = "9bfe673cf125ef364d6f56b15e8ce7537d9ca7e4dae1cf6fbbdeed2e024db3d9"
 dependencies = [
  "anyhow",
  "base64 0.21.2",
@@ -3661,12 +3768,13 @@ dependencies = [
 
 [[package]]
 name = "tauri-build"
-version = "1.4.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d2edd6a259b5591c8efdeb9d5702cb53515b82a6affebd55c7fd6d3a27b7d1b"
+checksum = "defbfc551bd38ab997e5f8e458f87396d2559d05ce32095076ad6c30f7fc5f9c"
 dependencies = [
  "anyhow",
  "cargo_toml",
+ "dirs-next",
  "heck 0.4.1",
  "json-patch",
  "semver",
@@ -3674,13 +3782,14 @@ dependencies = [
  "serde_json",
  "tauri-utils",
  "tauri-winres",
+ "walkdir",
 ]
 
 [[package]]
 name = "tauri-codegen"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54ad2d49fdeab4a08717f5b49a163bdc72efc3b1950b6758245fcde79b645e1a"
+checksum = "7b3475e55acec0b4a50fb96435f19631fb58cbcd31923e1a213de5c382536bbb"
 dependencies = [
  "base64 0.21.2",
  "brotli",
@@ -3704,9 +3813,9 @@ dependencies = [
 
 [[package]]
 name = "tauri-macros"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8eb12a2454e747896929338d93b0642144bb51e0dddbb36e579035731f0d76b7"
+checksum = "613740228de92d9196b795ac455091d3a5fbdac2654abb8bb07d010b62ab43af"
 dependencies = [
  "heck 0.4.1",
  "proc-macro2",
@@ -3719,7 +3828,7 @@ dependencies = [
 [[package]]
 name = "tauri-plugin-fs-extra"
 version = "0.0.0"
-source = "git+https://github.com/tauri-apps/plugins-workspace?branch=v1#5b814f56e6368fdec46c4ddb04a07e0923ff995a"
+source = "git+https://github.com/tauri-apps/plugins-workspace?branch=v1#9b20f28d747f6ec3ba5a80bfcd5edc1d573b4c90"
 dependencies = [
  "log",
  "serde",
@@ -3730,9 +3839,9 @@ dependencies = [
 
 [[package]]
 name = "tauri-runtime"
-version = "0.14.0"
+version = "0.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "108683199cb18f96d2d4134187bb789964143c845d2d154848dda209191fd769"
+checksum = "07f8e9e53e00e9f41212c115749e87d5cd2a9eebccafca77a19722eeecd56d43"
 dependencies = [
  "gtk",
  "http",
@@ -3751,9 +3860,9 @@ dependencies = [
 
 [[package]]
 name = "tauri-runtime-wry"
-version = "0.14.0"
+version = "0.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b7aa256a1407a3a091b5d843eccc1a5042289baf0a43d1179d9f0fcfea37c1b"
+checksum = "8141d72b6b65f2008911e9ef5b98a68d1e3413b7a1464e8f85eb3673bb19a895"
 dependencies = [
  "cocoa",
  "gtk",
@@ -3771,19 +3880,20 @@ dependencies = [
 
 [[package]]
 name = "tauri-utils"
-version = "1.4.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03fc02bb6072bb397e1d473c6f76c953cda48b4a2d0cce605df284aa74a12e84"
+checksum = "34d55e185904a84a419308d523c2c6891d5e2dbcee740c4997eb42e75a7b0f46"
 dependencies = [
  "brotli",
  "ctor",
  "dunce",
  "glob",
  "heck 0.4.1",
- "html5ever",
+ "html5ever 0.26.0",
  "infer",
  "json-patch",
- "kuchiki",
+ "kuchikiki",
+ "log",
  "memchr",
  "phf 0.10.1",
  "proc-macro2",
@@ -3897,9 +4007,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.32.0"
+version = "1.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17ed6077ed6cd6c74735e21f37eb16dc3935f96878b1fe961074089cc80893f9"
+checksum = "4f38200e3ef7995e5ef13baec2f432a6da0aa9ac495b2c0e8f3b7eec2c92d653"
 dependencies = [
  "backtrace",
  "bytes",
@@ -3968,14 +4078,14 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.8.0"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c226a7bba6d859b63c92c4b4fe69c5b6b72d0cb897dbc8e6012298e6154cb56e"
+checksum = "185d8ab0dfbb35cf1399a6344d8484209c088f75f8f68230da55d48d95d43e3d"
 dependencies = [
  "serde",
  "serde_spanned",
  "toml_datetime",
- "toml_edit 0.20.0",
+ "toml_edit 0.20.2",
 ]
 
 [[package]]
@@ -4002,9 +4112,9 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.20.0"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ff63e60a958cefbb518ae1fd6566af80d9d4be430a33f3723dfc47d1d411d95"
+checksum = "396e4d48bbb2b7554c944bde63101b5ae446cff6ec4a24227428f15eb72ef338"
 dependencies = [
  "indexmap 2.0.0",
  "serde",
@@ -4799,9 +4909,9 @@ dependencies = [
 
 [[package]]
 name = "wry"
-version = "0.24.3"
+version = "0.24.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33748f35413c8a98d45f7a08832d848c0c5915501803d1faade5a4ebcd258cea"
+checksum = "88ef04bdad49eba2e01f06e53688c8413bd6a87b0bc14b72284465cf96e3578e"
 dependencies = [
  "base64 0.13.1",
  "block",
@@ -4813,7 +4923,7 @@ dependencies = [
  "gio",
  "glib",
  "gtk",
- "html5ever",
+ "html5ever 0.25.2",
  "http",
  "kuchiki",
  "libc",

src-tauri/Cargo.toml

@@ -12,18 +12,18 @@ rust-version = "1.60"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [build-dependencies]
-tauri-build = { version = "1.4.0", features = [] }
+tauri-build = { version = "1.5.0", features = [] }
 
 [dependencies]
 anyhow = "1"
-kittycad = "0.2.25"
+kittycad = "0.2.33"
 oauth2 = "4.4.2"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-tauri = { version = "1.4.1", features = [ "os-all", "dialog-all", "fs-all", "http-request", "path-all", "shell-open", "shell-open-api", "updater", "devtools"] }
+tauri = { version = "1.5.2", features = [ "os-all", "dialog-all", "fs-all", "http-request", "path-all", "shell-open", "shell-open-api", "updater", "devtools"] }
 tauri-plugin-fs-extra = { git = "https://github.com/tauri-apps/plugins-workspace", branch = "v1" }
-tokio = { version = "1.32.0", features = ["time"] }
-toml = "0.8.0"
+tokio = { version = "1.33.0", features = ["time"] }
+toml = "0.8.2"
 
 [features]
 # this feature is used for production builds or when `devPath` points to the filesystem and the built-in dev server is disabled.

src-tauri/tauri.conf.json

@@ -8,7 +8,7 @@
   },
   "package": {
     "productName": "kittycad-modeling",
-    "version": "0.8.2"
+    "version": "0.10.0"
   },
   "tauri": {
     "allowlist": {

src/App.test.tsx

@@ -1,9 +1,16 @@
 import { render, screen } from '@testing-library/react'
 import { App } from './App'
 import { describe, test, vi } from 'vitest'
-import { BrowserRouter } from 'react-router-dom'
+import {
+  Route,
+  RouterProvider,
+  createMemoryRouter,
+  createRoutesFromElements,
+} from 'react-router-dom'
 import { GlobalStateProvider } from './components/GlobalStateProvider'
 import CommandBarProvider from 'components/CommandBar'
+import ModelingMachineProvider from 'components/ModelingMachineProvider'
+import { BROWSER_FILE_NAME } from 'Router'
 
 let listener: ((rect: any) => void) | undefined = undefined
 ;(global as any).ResizeObserver = class ResizeObserver {
@@ -24,7 +31,7 @@ describe('App tests', () => {
       >
       return {
         ...actual,
-        useParams: () => ({ id: 'new' }),
+        useParams: () => ({ id: BROWSER_FILE_NAME }),
         useLoaderData: () => ({ code: null }),
       }
     })
@@ -41,12 +48,26 @@ describe('App tests', () => {
 })
 
 function TestWrap({ children }: { children: React.ReactNode }) {
-  // wrap in router and xState context
-  return (
-    <BrowserRouter>
+  // We have to use a memory router in the testing environment,
+  // and we have to use the createMemoryRouter function instead of <MemoryRouter /> as of react-router v6.4:
+  // https://reactrouter.com/en/6.16.0/routers/picking-a-router#using-v64-data-apis
+  const router = createMemoryRouter(
+    createRoutesFromElements(
+      <Route
+        path="/file/:id"
+        element={
           <CommandBarProvider>
-        <GlobalStateProvider>{children}</GlobalStateProvider>
+            <GlobalStateProvider>
+              <ModelingMachineProvider>{children}</ModelingMachineProvider>
+            </GlobalStateProvider>
           </CommandBarProvider>
-    </BrowserRouter>
+        }
+      />
+    ),
+    {
+      initialEntries: ['/file/new'],
+      initialIndex: 0,
+    }
   )
+  return <RouterProvider router={router} />
 }

src/App.tsx

@@ -1,4 +1,4 @@
-import { useRef, useEffect, useCallback, MouseEventHandler } from 'react'
+import { useEffect, useCallback, MouseEventHandler } from 'react'
 import { DebugPanel } from './components/DebugPanel'
 import { v4 as uuidv4 } from 'uuid'
 import { PaneType, useStore } from './useStore'
@@ -29,46 +29,33 @@ import { CameraDragInteractionType_type } from '@kittycad/lib/dist/types/src/mod
 import { CodeMenu } from 'components/CodeMenu'
 import { TextEditor } from 'components/TextEditor'
 import { Themes, getSystemTheme } from 'lib/theme'
-import { useSetupEngineManager } from 'hooks/useSetupEngineManager'
 import { useEngineConnectionSubscriptions } from 'hooks/useEngineConnectionSubscriptions'
+import { engineCommandManager } from './lang/std/engineConnection'
+import { kclManager } from 'lang/KclSinglton'
+import { useModelingContext } from 'hooks/useModelingContext'
 
 export function App() {
-  const { code: loadedCode, project } = useLoaderData() as IndexLoaderData
+  const { code: loadedCode, project, file } = useLoaderData() as IndexLoaderData
 
-  const streamRef = useRef<HTMLDivElement>(null)
   useHotKeyListener()
   const {
-    setCode,
-    engineCommandManager,
     buttonDownInStream,
     openPanes,
     setOpenPanes,
     didDragInStream,
     streamDimensions,
-    guiMode,
-    setGuiMode,
-    executeAst,
   } = useStore((s) => ({
-    guiMode: s.guiMode,
-    setGuiMode: s.setGuiMode,
-    setCode: s.setCode,
-    engineCommandManager: s.engineCommandManager,
     buttonDownInStream: s.buttonDownInStream,
     openPanes: s.openPanes,
     setOpenPanes: s.setOpenPanes,
     didDragInStream: s.didDragInStream,
     streamDimensions: s.streamDimensions,
-    executeAst: s.executeAst,
   }))
 
-  const {
-    auth: {
-      context: { token },
-    },
-    settings: {
-      context: { showDebugPanel, onboardingStatus, cameraControls, theme },
-    },
-  } = useGlobalStateContext()
+  const { settings } = useGlobalStateContext()
+  const { showDebugPanel, onboardingStatus, cameraControls, theme } =
+    settings?.context || {}
+  const { state, send } = useModelingContext()
 
   const editorTheme = theme === Themes.System ? getSystemTheme() : theme
 
@@ -85,50 +72,7 @@ export function App() {
   useHotkeys('shift + l', () => togglePane('logs'))
   useHotkeys('shift + e', () => togglePane('kclErrors'))
   useHotkeys('shift + d', () => togglePane('debug'))
-  useHotkeys('esc', () => {
-    if (guiMode.mode === 'sketch') {
-      if (guiMode.sketchMode === 'selectFace') return
-      if (guiMode.sketchMode === 'sketchEdit') {
-        // TODO: share this with Toolbar's "Exit sketch" button
-        // exiting sketch should be done consistently across all exits
-        engineCommandManager?.sendSceneCommand({
-          type: 'modeling_cmd_req',
-          cmd_id: uuidv4(),
-          cmd: { type: 'edit_mode_exit' },
-        })
-        engineCommandManager?.sendSceneCommand({
-          type: 'modeling_cmd_req',
-          cmd_id: uuidv4(),
-          cmd: { type: 'default_camera_disable_sketch_mode' },
-        })
-        setGuiMode({ mode: 'default' })
-        // this is necessary to get the UI back into a consistent
-        // state right now, hopefully won't need to rerender
-        // when exiting sketch mode in the future
-        executeAst()
-      } else {
-        engineCommandManager?.sendSceneCommand({
-          type: 'modeling_cmd_req',
-          cmd_id: uuidv4(),
-          cmd: {
-            type: 'set_tool',
-            tool: 'select',
-          },
-        })
-        setGuiMode({
-          mode: 'sketch',
-          sketchMode: 'sketchEdit',
-          rotation: guiMode.rotation,
-          position: guiMode.position,
-          pathToNode: guiMode.pathToNode,
-          pathId: guiMode.pathId,
-          // todo: ...guiMod is adding isTooltip: true, will probably just fix with xstate migtaion
-        })
-      }
-    } else {
-      setGuiMode({ mode: 'default' })
-    }
-  })
+  useHotkeys('esc', () => send('Cancel'))
 
   const paneOpacity = [onboardingPaths.CAMERA, onboardingPaths.STREAMING].some(
     (p) => p === onboardingStatus
@@ -142,21 +86,26 @@ export function App() {
   // on mount, and overwrite any locally-stored code
   useEffect(() => {
     if (isTauri() && loadedCode !== null) {
-      setCode(loadedCode)
+      if (kclManager.engineCommandManager.engineConnection?.isReady()) {
+        // If the engine is ready, promptly execute the loaded code
+        kclManager.setCodeAndExecute(loadedCode)
+      } else {
+        // Otherwise, just set the code and wait for the connection to complete
+        kclManager.setCode(loadedCode)
+      }
     }
     return () => {
       // Clear code on unmount if in desktop app
       if (isTauri()) {
-        setCode('')
+        kclManager.setCode('')
       }
     }
-  }, [loadedCode, setCode])
+  }, [loadedCode])
 
-  useSetupEngineManager(streamRef, token)
   useEngineConnectionSubscriptions()
 
   const debounceSocketSend = throttle<EngineCommand>((message) => {
-    engineCommandManager?.sendSceneCommand(message)
+    engineCommandManager.sendSceneCommand(message)
   }, 16)
   const handleMouseMove: MouseEventHandler<HTMLDivElement> = (e) => {
     e.nativeEvent.preventDefault()
@@ -170,10 +119,7 @@ export function App() {
 
     const newCmdId = uuidv4()
     if (buttonDownInStream === undefined) {
-      if (
-        guiMode.mode === 'sketch' &&
-        guiMode.sketchMode === ('sketch_line' as any)
-      ) {
+      if (state.matches('Sketch.Line Tool')) {
         debounceSocketSend({
           type: 'modeling_cmd_req',
           cmd_id: newCmdId,
@@ -193,7 +139,7 @@ export function App() {
         })
       }
     } else {
-      if (guiMode.mode === 'sketch' && guiMode.sketchMode === ('move' as any)) {
+      if (state.matches('Sketch.Move Tool')) {
         debounceSocketSend({
           type: 'modeling_cmd_req',
           cmd_id: newCmdId,
@@ -216,7 +162,6 @@ export function App() {
       } else if (interactionGuards.zoom.dragCallback(eWithButton)) {
         interaction = 'zoom'
       } else {
-        console.log('none')
         return
       }
 
@@ -234,9 +179,8 @@ export function App() {
 
   return (
     <div
-      className="h-screen overflow-hidden relative flex flex-col cursor-pointer select-none"
+      className="relative h-full flex flex-col"
       onMouseMove={handleMouseMove}
-      ref={streamRef}
     >
       <AppHeader
         className={
@@ -244,7 +188,7 @@ export function App() {
           paneOpacity +
           (buttonDownInStream ? ' pointer-events-none' : '')
         }
-        project={project}
+        project={{ project, file }}
         enableMenu={true}
       />
       <ModalContainer />

src/Auth.tsx

@@ -3,10 +3,8 @@ import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
 
 // Wrapper around protected routes, used in src/Router.tsx
 export const Auth = ({ children }: React.PropsWithChildren) => {
-  const {
-    auth: { state },
-  } = useGlobalStateContext()
-  const isLoggingIn = state.matches('checkIfLoggedIn')
+  const { auth } = useGlobalStateContext()
+  const isLoggingIn = auth?.state.matches('checkIfLoggedIn')
 
   return isLoggingIn ? (
     <Loading>Loading KittyCAD Modeling App...</Loading>

src/Router.tsx

@@ -40,6 +40,9 @@ import { ContextFrom } from 'xstate'
 import CommandBarProvider from 'components/CommandBar'
 import { TEST, VITE_KC_SENTRY_DSN } from './env'
 import * as Sentry from '@sentry/react'
+import ModelingMachineProvider from 'components/ModelingMachineProvider'
+import { KclContextProvider } from 'lang/KclSinglton'
+import FileMachineProvider from 'components/FileMachineProvider'
 
 if (VITE_KC_SENTRY_DSN && !TEST) {
   Sentry.init({
@@ -94,13 +97,16 @@ export const paths = {
   ) as typeof onboardingPaths,
 }
 
+export const BROWSER_FILE_NAME = 'new'
+
 export type IndexLoaderData = {
   code: string | null
   project?: ProjectWithEntryPointMetadata
+  file?: FileEntry
 }
 
 export type ProjectWithEntryPointMetadata = FileEntry & {
-  entrypoint_metadata: Metadata
+  entrypointMetadata: Metadata
 }
 export type HomeLoaderData = {
   projects: ProjectWithEntryPointMetadata[]
@@ -129,7 +135,9 @@ const router = createBrowserRouter(
     {
       path: paths.INDEX,
       loader: () =>
-        isTauri() ? redirect(paths.HOME) : redirect(paths.FILE + '/new'),
+        isTauri()
+          ? redirect(paths.HOME)
+          : redirect(paths.FILE + '/' + BROWSER_FILE_NAME),
       errorElement: <ErrorPage />,
     },
     {
@@ -137,7 +145,13 @@ const router = createBrowserRouter(
       element: (
         <Auth>
           <Outlet />
+          <FileMachineProvider>
+            <KclContextProvider>
+              <ModelingMachineProvider>
                 <App />
+              </ModelingMachineProvider>
+            </KclContextProvider>
+          </FileMachineProvider>
           {!isTauri() && import.meta.env.PROD && <DownloadAppBanner />}
         </Auth>
       ),
@@ -167,21 +181,41 @@ const router = createBrowserRouter(
           )
         }
 
-        if (params.id && params.id !== 'new') {
-          // Note that PROJECT_ENTRYPOINT is hardcoded until we support multiple files
-          const code = await readTextFile(params.id + '/' + PROJECT_ENTRYPOINT)
-          const entrypoint_metadata = await metadata(
-            params.id + '/' + PROJECT_ENTRYPOINT
+        const defaultDir = persistedSettings.defaultDirectory || ''
+
+        if (params.id && params.id !== BROWSER_FILE_NAME) {
+          const decodedId = decodeURIComponent(params.id)
+          const projectAndFile = decodedId.replace(defaultDir + '/', '')
+          const firstSlashIndex = projectAndFile.indexOf('/')
+          const projectName = projectAndFile.slice(0, firstSlashIndex)
+          const projectPath = defaultDir + '/' + projectName
+          const currentFileName = projectAndFile.slice(firstSlashIndex + 1)
+
+          if (firstSlashIndex === -1 || !currentFileName)
+            return redirect(
+              `${paths.FILE}/${encodeURIComponent(
+                `${params.id}/${PROJECT_ENTRYPOINT}`
+              )}`
             )
-          const children = await readDir(params.id)
+
+          // Note that PROJECT_ENTRYPOINT is hardcoded until we support multiple files
+          const code = await readTextFile(decodedId)
+          const entrypointMetadata = await metadata(
+            projectPath + '/' + PROJECT_ENTRYPOINT
+          )
+          const children = await readDir(projectPath, { recursive: true })
 
           return {
             code,
             project: {
-              name: params.id.slice(params.id.lastIndexOf('/') + 1),
-              path: params.id,
+              name: projectName,
+              path: projectPath,
               children,
-              entrypoint_metadata,
+              entrypointMetadata,
+            },
+            file: {
+              name: currentFileName,
+              path: params.id,
             },
           }
         }
@@ -212,7 +246,7 @@ const router = createBrowserRouter(
       ),
       loader: async () => {
         if (!isTauri()) {
-          return redirect(paths.FILE + '/new')
+          return redirect(paths.FILE + '/' + BROWSER_FILE_NAME)
         }
         const fetchedStorage = localStorage?.getItem(SETTINGS_PERSIST_KEY)
         const persistedSettings = JSON.parse(fetchedStorage || '{}') as Partial<
@@ -235,7 +269,7 @@ const router = createBrowserRouter(
         )
         const projects = await Promise.all(
           projectsNoMeta.map(async (p) => ({
-            entrypoint_metadata: await metadata(
+            entrypointMetadata: await metadata(
               p.path + '/' + PROJECT_ENTRYPOINT
             ),
             ...p,

src/Toolbar.tsx

@@ -1,23 +1,13 @@
-import { useStore, toolTips, ToolTip } from './useStore'
-import { extrudeSketch, sketchOnExtrudedFace } from './lang/modifyAst'
-import { getNodePathFromSourceRange } from './lang/queryAst'
-import { HorzVert } from './components/Toolbar/HorzVert'
-import { RemoveConstrainingValues } from './components/Toolbar/RemoveConstrainingValues'
-import { EqualLength } from './components/Toolbar/EqualLength'
-import { EqualAngle } from './components/Toolbar/EqualAngle'
-import { Intersect } from './components/Toolbar/Intersect'
-import { SetHorzVertDistance } from './components/Toolbar/SetHorzVertDistance'
-import { SetAngleLength } from './components/Toolbar/setAngleLength'
-import { SetAbsDistance } from './components/Toolbar/SetAbsDistance'
-import { SetAngleBetween } from './components/Toolbar/SetAngleBetween'
-import { Fragment, useEffect } from 'react'
+import { ToolTip } from './useStore'
+import { Fragment, WheelEvent, useRef, useMemo } from 'react'
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
 import { faSearch, faX } from '@fortawesome/free-solid-svg-icons'
 import { Popover, Transition } from '@headlessui/react'
 import styles from './Toolbar.module.css'
-import { v4 as uuidv4 } from 'uuid'
-import { useAppMode } from 'hooks/useAppMode'
+import { isCursorInSketchCommandRange } from 'lang/util'
 import { ActionIcon } from 'components/ActionIcon'
+import { engineCommandManager } from './lang/std/engineConnection'
+import { useModelingContext } from 'hooks/useModelingContext'
 
 export const sketchButtonClassnames = {
   background:
@@ -43,247 +33,151 @@ const sketchFnLabels: Record<ToolTip | 'sketch_line' | 'move', string> = {
 }
 
 export const Toolbar = () => {
-  const {
-    setGuiMode,
-    guiMode,
-    selectionRanges,
-    ast,
-    updateAst,
-    programMemory,
-    engineCommandManager,
-    executeAst,
-  } = useStore((s) => ({
-    guiMode: s.guiMode,
-    setGuiMode: s.setGuiMode,
-    selectionRanges: s.selectionRanges,
-    ast: s.ast,
-    updateAst: s.updateAst,
-    programMemory: s.programMemory,
-    engineCommandManager: s.engineCommandManager,
-    executeAst: s.executeAst,
-  }))
-  useAppMode()
+  const { state, send, context } = useModelingContext()
+  const toolbarButtonsRef = useRef<HTMLSpanElement>(null)
+  const pathId = useMemo(
+    () =>
+      isCursorInSketchCommandRange(
+        engineCommandManager.artifactMap,
+        context.selectionRanges
+      ),
+    [engineCommandManager.artifactMap, context.selectionRanges]
+  )
 
-  useEffect(() => {
-    console.log('guiMode', guiMode)
-  }, [guiMode])
+  function handleToolbarButtonsWheelEvent(ev: WheelEvent<HTMLSpanElement>) {
+    const span = toolbarButtonsRef.current
+    if (!span) {
+      return
+    }
+
+    span.scrollLeft = span.scrollLeft += ev.deltaY
+  }
 
   function ToolbarButtons({ className }: React.HTMLAttributes<HTMLElement>) {
     return (
-      <span className={styles.toolbarButtons + ' ' + className}>
-        {guiMode.mode === 'default' && (
+      <span
+        ref={toolbarButtonsRef}
+        onWheel={handleToolbarButtonsWheelEvent}
+        className={styles.toolbarButtons + ' ' + className}
+      >
+        {state.nextEvents.includes('Enter sketch') && (
           <button
-            onClick={() => {
-              setGuiMode({
-                mode: 'sketch',
-                sketchMode: 'selectFace',
-              })
-            }}
+            onClick={() => send({ type: 'Enter sketch' })}
             className="group"
           >
             <ActionIcon icon="sketch" className="!p-0.5" size="md" />
             Start Sketch
           </button>
         )}
-        {guiMode.mode === 'canEditExtrude' && (
+        {state.nextEvents.includes('Enter sketch') && pathId && (
           <button
-            onClick={() => {
-              if (!ast) return
-              const pathToNode = getNodePathFromSourceRange(
-                ast,
-                selectionRanges.codeBasedSelections[0].range
-              )
-              const { modifiedAst } = sketchOnExtrudedFace(
-                ast,
-                pathToNode,
-                programMemory
-              )
-              updateAst(modifiedAst, true)
-            }}
-            className="group"
-          >
-            <ActionIcon icon="sketch" className="!p-0.5" size="md" />
-            Sketch on Face
-          </button>
-        )}
-        {guiMode.mode === 'canEditSketch' && (
-          <button
-            onClick={() => {
-              const pathToNode = getNodePathFromSourceRange(
-                ast,
-                selectionRanges.codeBasedSelections[0].range
-              )
-              setGuiMode({
-                mode: 'sketch',
-                sketchMode: 'enterSketchEdit',
-                pathToNode: pathToNode,
-                rotation: [0, 0, 0, 1],
-                position: [0, 0, 0],
-                pathId: guiMode.pathId,
-              })
-            }}
+            onClick={() => send({ type: 'Enter sketch' })}
             className="group"
           >
             <ActionIcon icon="sketch" className="!p-0.5" size="md" />
             Edit Sketch
           </button>
         )}
-        {guiMode.mode === 'canEditSketch' && (
-          <>
-            <button
-              onClick={() => {
-                if (!ast) return
-                const pathToNode = getNodePathFromSourceRange(
-                  ast,
-                  selectionRanges.codeBasedSelections[0].range
-                )
-                const { modifiedAst, pathToExtrudeArg } = extrudeSketch(
-                  ast,
-                  pathToNode
-                )
-                updateAst(modifiedAst, true, { focusPath: pathToExtrudeArg })
-              }}
-              className="group"
-            >
-              <ActionIcon icon="extrude" className="!p-0.5" size="md" />
-              Extrude
-            </button>
-            <button
-              onClick={() => {
-                if (!ast) return
-                const pathToNode = getNodePathFromSourceRange(
-                  ast,
-                  selectionRanges.codeBasedSelections[0].range
-                )
-                const { modifiedAst, pathToExtrudeArg } = extrudeSketch(
-                  ast,
-                  pathToNode,
-                  false
-                )
-                updateAst(modifiedAst, true, { focusPath: pathToExtrudeArg })
-              }}
-              className="group"
-            >
-              <ActionIcon icon="extrude" className="!p-0.5" size="md" />
-              Extrude as new
-            </button>
-          </>
-        )}
-
-        {guiMode.mode === 'sketch' && (
-          <button
-            onClick={() => {
-              engineCommandManager?.sendSceneCommand({
-                type: 'modeling_cmd_req',
-                cmd_id: uuidv4(),
-                cmd: { type: 'edit_mode_exit' },
-              })
-              engineCommandManager?.sendSceneCommand({
-                type: 'modeling_cmd_req',
-                cmd_id: uuidv4(),
-                cmd: { type: 'default_camera_disable_sketch_mode' },
-              })
-
-              setGuiMode({ mode: 'default' })
-              executeAst()
-            }}
-            className="group"
-          >
-            <ActionIcon
-              icon="exit"
-              className="!p-0.5"
-              bgClassName={sketchButtonClassnames.background}
-              iconClassName={sketchButtonClassnames.icon}
-              size="md"
-            />
-            Exit sketch
+        {state.nextEvents.includes('Cancel') && !state.matches('idle') && (
+          <button onClick={() => send({ type: 'Cancel' })} className="group">
+            <ActionIcon icon="exit" className="!p-0.5" size="md" />
+            Exit Sketch
           </button>
         )}
-        {toolTips
-          .filter(
-            // (sketchFnName) => !['angledLineThatIntersects'].includes(sketchFnName)
-            (sketchFnName) => ['sketch_line', 'move'].includes(sketchFnName)
-          )
-          .map((sketchFnName) => {
-            if (
-              guiMode.mode !== 'sketch' ||
-              !('isTooltip' in guiMode || guiMode.sketchMode === 'sketchEdit')
-            )
-              return null
-            return (
+        {state.matches('Sketch') && !state.matches('idle') && (
           <button
-                key={sketchFnName}
-                onClick={() => {
-                  engineCommandManager?.sendSceneCommand({
-                    type: 'modeling_cmd_req',
-                    cmd_id: uuidv4(),
-                    cmd: {
-                      type: 'set_tool',
-                      tool:
-                        guiMode.sketchMode === sketchFnName
-                          ? 'select'
-                          : (sketchFnName as any),
-                    },
-                  })
-                  setGuiMode({
-                    ...guiMode,
-                    ...(guiMode.sketchMode === sketchFnName
-                      ? {
-                          sketchMode: 'sketchEdit',
-                          // todo: ...guiMod is adding isTooltip: true, will probably just fix with xstate migtaion
+            onClick={() =>
+              state.matches('Sketch.Line Tool')
+                ? send('CancelSketch')
+                : send('Equip tool')
             }
-                      : {
-                          sketchMode: sketchFnName,
-                          waitingFirstClick: true,
-                          isTooltip: true,
-                          pathId: guiMode.pathId,
-                        }),
-                  })
-                }}
             className={
               'group ' +
-                  (guiMode.sketchMode === sketchFnName
+              (state.matches('Sketch.Line Tool')
                 ? '!text-fern-70 !bg-fern-10 !dark:text-fern-20 !border-fern-50'
                 : '')
             }
+          >
+            <ActionIcon icon="line" className="!p-0.5" size="md" />
+            Line
+          </button>
+        )}
+        {state.matches('Sketch') && (
+          <button
+            onClick={() =>
+              state.matches('Sketch.Move Tool')
+                ? send('CancelSketch')
+                : send('Equip move tool')
+            }
+            className={
+              'group ' +
+              (state.matches('Sketch.Move Tool')
+                ? '!text-fern-70 !bg-fern-10 !dark:text-fern-20 !border-fern-50'
+                : '')
+            }
+          >
+            <ActionIcon icon="move" className="!p-0.5" size="md" />
+            Move
+          </button>
+        )}
+        {state.matches('Sketch.SketchIdle') &&
+          state.nextEvents
+            .filter(
+              (eventName) =>
+                eventName.includes('Make segment') ||
+                eventName.includes('Constrain')
+            )
+            .map((eventName) => (
+              <button
+                key={eventName}
+                onClick={() => send(eventName)}
+                className="group"
+                disabled={
+                  !state.nextEvents
+                    .filter((event) => state.can(event as any))
+                    .includes(eventName)
+                }
+                title={eventName}
               >
                 <ActionIcon
-                  icon={sketchFnName.includes('line') ? 'line' : 'move'}
-                  className="!p-0.5"
+                  icon={'line'} // TODO
                   bgClassName={sketchButtonClassnames.background}
                   iconClassName={sketchButtonClassnames.icon}
                   size="md"
                 />
-                {sketchFnLabels[sketchFnName]}
+                {eventName
+                  .replace('Make segment ', '')
+                  .replace('Constrain ', '')}
               </button>
-            )
-          })}
-        <HorzVert horOrVert="horizontal" />
-        <HorzVert horOrVert="vertical" />
-        <EqualLength />
-        <EqualAngle />
-        <SetHorzVertDistance buttonType="alignEndsVertically" />
-        <SetHorzVertDistance buttonType="setHorzDistance" />
-        <SetAbsDistance buttonType="snapToYAxis" />
-        <SetAbsDistance buttonType="xAbs" />
-        <SetHorzVertDistance buttonType="alignEndsHorizontally" />
-        <SetAbsDistance buttonType="snapToXAxis" />
-        <SetHorzVertDistance buttonType="setVertDistance" />
-        <SetAbsDistance buttonType="yAbs" />
-        <SetAngleLength angleOrLength="setAngle" />
-        <SetAngleLength angleOrLength="setLength" />
-        <Intersect />
-        <RemoveConstrainingValues />
-        <SetAngleBetween />
+            ))}
+        {state.matches('idle') && (
+          <button
+            onClick={() => send('extrude intent')}
+            disabled={!state.can('extrude intent')}
+            className="group"
+            title={
+              state.can('extrude intent')
+                ? 'extrude'
+                : 'sketches need to be closed, or not already extruded'
+            }
+          >
+            <ActionIcon icon="extrude" className="!p-0.5" size="md" />
+            Extrude
+          </button>
+        )}
       </span>
     )
   }
 
   return (
-    <Popover className={styles.toolbarWrapper + ' ' + guiMode.mode}>
+    <Popover
+      className={
+        styles.toolbarWrapper + state.matches('Sketch') ? ' sketch' : ''
+      }
+    >
       <div className={styles.toolbar}>
         <span className={styles.toolbarCap + ' ' + styles.label}>
-          {guiMode.mode === 'sketch' ? '2D' : '3D'}
+          {state.matches('Sketch') ? '2D' : '3D'}
         </span>
         <menu className="flex-1 gap-2 py-0.5 overflow-hidden whitespace-nowrap">
           <ToolbarButtons />
@@ -319,7 +213,7 @@ export const Toolbar = () => {
             <p
               className={`${styles.toolbarCap} ${styles.label} !self-center rounded-r-full w-fit`}
             >
-              You're in {guiMode.mode === 'sketch' ? '2D' : '3D'}
+              You're in {state.matches('Sketch') ? '2D' : '3D'}
             </p>
             <Popover.Button className="p-2 flex items-center justify-center rounded-sm bg-chalkboard-20 text-chalkboard-110 dark:bg-chalkboard-70 dark:text-chalkboard-20 border-none hover:bg-chalkboard-30 dark:hover:bg-chalkboard-60">
               <FontAwesomeIcon icon={faX} className="w-4 h-4" />

src/components/ActionButton.tsx

@@ -23,10 +23,7 @@ type ActionButtonAsLink = BaseActionButtonProps &
   }
 
 type ActionButtonAsExternal = BaseActionButtonProps &
-  Omit<
-    React.AnchorHTMLAttributes<HTMLAnchorElement>,
-    keyof BaseActionButtonProps
-  > & {
+  Omit<LinkProps, keyof BaseActionButtonProps> & {
     Element: 'externalLink'
   }
 
@@ -69,12 +66,17 @@ export const ActionButton = (props: ActionButtonProps) => {
       )
     }
     case 'externalLink': {
-      const { Element, icon, children, className, ...rest } = props
+      const { Element, to, icon, children, className, ...rest } = props
       return (
-        <a className={classNames} {...rest}>
+        <Link
+          to={to || paths.INDEX}
+          className={classNames}
+          {...rest}
+          target="_blank"
+        >
           {icon && <ActionIcon {...icon} />}
           {children}
-        </a>
+        </Link>
       )
     }
     default: {

src/components/AppHeader.tsx

@@ -1,6 +1,6 @@
 import { Toolbar } from '../Toolbar'
 import UserSidebarMenu from './UserSidebarMenu'
-import { ProjectWithEntryPointMetadata } from '../Router'
+import { IndexLoaderData } from '../Router'
 import ProjectSidebarMenu from './ProjectSidebarMenu'
 import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
 import styles from './AppHeader.module.css'
@@ -8,7 +8,7 @@ import { NetworkHealthIndicator } from './NetworkHealthIndicator'
 
 interface AppHeaderProps extends React.PropsWithChildren {
   showToolbar?: boolean
-  project?: ProjectWithEntryPointMetadata
+  project?: Omit<IndexLoaderData, 'code'>
   className?: string
   enableMenu?: boolean
 }
@@ -20,11 +20,8 @@ export const AppHeader = ({
   className = '',
   enableMenu = false,
 }: AppHeaderProps) => {
-  const {
-    auth: {
-      context: { user },
-    },
-  } = useGlobalStateContext()
+  const { auth } = useGlobalStateContext()
+  const user = auth?.context?.user
 
   return (
     <header
@@ -35,7 +32,13 @@ export const AppHeader = ({
         className
       }
     >
-      <ProjectSidebarMenu renderAsLink={!enableMenu} project={project} />
+      {project && (
+        <ProjectSidebarMenu
+          renderAsLink={!enableMenu}
+          project={project.project}
+          file={project.file}
+        />
+      )}
       {/* Toolbar if the context deems it */}
       {showToolbar && (
         <div className="max-w-lg md:max-w-xl lg:max-w-2xl xl:max-w-4xl 2xl:max-w-5xl">

src/components/AstExplorer.tsx

@@ -1,18 +1,18 @@
+import { useModelingContext } from 'hooks/useModelingContext'
+import { kclManager } from 'lang/KclSinglton'
 import { getNodeFromPath, getNodePathFromSourceRange } from 'lang/queryAst'
 import { useEffect, useRef, useState } from 'react'
 import { useStore } from 'useStore'
 
 export function AstExplorer() {
-  const { ast, setHighlightRange, selectionRanges } = useStore((s) => ({
-    ast: s.ast,
-    setHighlightRange: s.setHighlightRange,
-    selectionRanges: s.selectionRanges,
-  }))
+  const setHighlightRange = useStore((s) => s.setHighlightRange)
+  const { context } = useModelingContext()
   const pathToNode = getNodePathFromSourceRange(
-    ast,
-    selectionRanges.codeBasedSelections?.[0]?.range
+    // TODO maybe need to have callback to make sure it stays in sync
+    kclManager.ast,
+    context.selectionRanges.codeBasedSelections?.[0]?.range
   )
-  const node = getNodeFromPath(ast, pathToNode).node
+  const node = getNodeFromPath(kclManager.ast, pathToNode).node
   const [filterKeys, setFilterKeys] = useState<string[]>(['start', 'end'])
 
   return (
@@ -46,7 +46,11 @@ export function AstExplorer() {
         }}
       >
         <pre className=" text-xs overflow-y-auto" style={{ width: '300px' }}>
-          <DisplayObj obj={ast} filterKeys={filterKeys} node={node} />
+          <DisplayObj
+            obj={kclManager.ast}
+            filterKeys={filterKeys}
+            node={node}
+          />
         </pre>
       </div>
     </div>
@@ -84,10 +88,8 @@ function DisplayObj({
   filterKeys: string[]
   node: any
 }) {
-  const { setHighlightRange, setCursor2 } = useStore((s) => ({
-    setHighlightRange: s.setHighlightRange,
-    setCursor2: s.setCursor2,
-  }))
+  const setHighlightRange = useStore((s) => s.setHighlightRange)
+  const { send } = useModelingContext()
   const ref = useRef<HTMLPreElement>(null)
   const [hasCursor, setHasCursor] = useState(false)
   const [isCollapsed, setIsCollapsed] = useState(false)
@@ -118,7 +120,16 @@ function DisplayObj({
         setHighlightRange([obj?.start || 0, obj.end])
       }}
       onClick={(e) => {
-        setCursor2({ type: 'default', range: [obj?.start || 0, obj.end || 0] })
+        send({
+          type: 'Set selection',
+          data: {
+            selectionType: 'singleCodeCursor',
+            selection: {
+              type: 'default',
+              range: [obj?.start || 0, obj.end || 0],
+            },
+          },
+        })
         e.stopPropagation()
       }}
     >

src/components/AvailableVarsHelpers.tsx

@@ -1,7 +1,5 @@
 import { useEffect, useState, useRef } from 'react'
-import { parser_wasm } from '../lang/abstractSyntaxTree'
-import { BinaryPart, Value } from '../lang/abstractSyntaxTreeTypes'
-import { executor } from '../lang/executor'
+import { parse, BinaryPart, Value, executor } from '../lang/wasm'
 import {
   createIdentifier,
   createLiteral,
@@ -9,7 +7,9 @@ import {
   findUniqueName,
 } from '../lang/modifyAst'
 import { findAllPreviousVariables, PrevVariable } from '../lang/queryAst'
-import { useStore } from '../useStore'
+import { engineCommandManager } from '../lang/std/engineConnection'
+import { kclManager, useKclContext } from 'lang/KclSinglton'
+import { useModelingContext } from 'hooks/useModelingContext'
 
 export const AvailableVars = ({
   onVarClick,
@@ -92,14 +92,9 @@ export function useCalc({
   newVariableInsertIndex: number
   setNewVariableName: (a: string) => void
 } {
-  const { ast, programMemory, selectionRange, engineCommandManager } = useStore(
-    (s) => ({
-      ast: s.ast,
-      programMemory: s.programMemory,
-      selectionRange: s.selectionRanges.codeBasedSelections[0].range,
-      engineCommandManager: s.engineCommandManager,
-    })
-  )
+  const { programMemory } = useKclContext()
+  const { context } = useModelingContext()
+  const selectionRange = context.selectionRanges.codeBasedSelections[0].range
   const inputRef = useRef<HTMLInputElement>(null)
   const [availableVarInfo, setAvailableVarInfo] = useState<
     ReturnType<typeof findAllPreviousVariables>
@@ -119,9 +114,7 @@ export function useCalc({
       inputRef.current &&
         inputRef.current.setSelectionRange(0, String(value).length)
     }, 100)
-    if (ast) {
-      setNewVariableName(findUniqueName(ast, valueName))
-    }
+    setNewVariableName(findUniqueName(kclManager.ast, valueName))
   }, [])
 
   useEffect(() => {
@@ -134,21 +127,30 @@ export function useCalc({
   }, [newVariableName])
 
   useEffect(() => {
-    if (!ast || !programMemory || !selectionRange) return
-    const varInfo = findAllPreviousVariables(ast, programMemory, selectionRange)
+    if (!programMemory || !selectionRange) return
+    const varInfo = findAllPreviousVariables(
+      kclManager.ast,
+      programMemory,
+      selectionRange
+    )
     setAvailableVarInfo(varInfo)
-  }, [ast, programMemory, selectionRange])
+  }, [kclManager.ast, programMemory, selectionRange])
 
   useEffect(() => {
-    if (!engineCommandManager) return
     try {
       const code = `const __result__ = ${value}\nshow(__result__)`
-      const ast = parser_wasm(code)
+      const ast = parse(code)
       const _programMem: any = { root: {}, return: null }
       availableVarInfo.variables.forEach(({ key, value }) => {
         _programMem.root[key] = { type: 'userVal', value, __meta: [] }
       })
-      executor(ast, _programMem, engineCommandManager).then((programMemory) => {
+
+      executor(
+        ast,
+        _programMem,
+        engineCommandManager,
+        kclManager.defaultPlanes
+      ).then((programMemory) => {
         const resultDeclaration = ast.body.find(
           (a) =>
             a.type === 'VariableDeclaration' &&

src/components/CodeMenu.tsx

@@ -5,16 +5,13 @@ import {
   faEllipsis,
 } from '@fortawesome/free-solid-svg-icons'
 import { ActionIcon } from './ActionIcon'
-import { useStore } from 'useStore'
 import styles from './CodeMenu.module.css'
 import { useConvertToVariable } from 'hooks/useToolbarGuards'
 import { editorShortcutMeta } from './TextEditor'
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { kclManager } from 'lang/KclSinglton'
 
 export const CodeMenu = ({ children }: PropsWithChildren) => {
-  const { formatCode } = useStore((s) => ({
-    formatCode: s.formatCode,
-  }))
   const { enable: convertToVarEnabled, handleClick: handleConvertToVarClick } =
     useConvertToVariable()
 
@@ -41,7 +38,10 @@ export const CodeMenu = ({ children }: PropsWithChildren) => {
         </Menu.Button>
         <Menu.Items className="absolute right-0 left-auto w-72 flex flex-col gap-1 divide-y divide-chalkboard-20 dark:divide-chalkboard-70 align-stretch px-0 py-1 bg-chalkboard-10 dark:bg-chalkboard-90 rounded-sm shadow-lg border border-solid border-chalkboard-20/50 dark:border-chalkboard-80/50">
           <Menu.Item>
-            <button onClick={() => formatCode()} className={styles.button}>
+            <button
+              onClick={() => kclManager.format()}
+              className={styles.button}
+            >
               <span>Format code</span>
               <small>{editorShortcutMeta.formatCode.display}</small>
             </button>

src/components/CustomIcon.tsx

@@ -1,7 +1,10 @@
 export type CustomIconName =
+  | 'createFile'
+  | 'createFolder'
   | 'equal'
   | 'exit'
   | 'extrude'
+  | 'file'
   | 'horizontal'
   | 'line'
   | 'move'
@@ -16,6 +19,38 @@ export const CustomIcon = ({
   name: CustomIconName
 } & React.SVGProps<SVGSVGElement>) => {
   switch (name) {
+    case 'createFile':
+      return (
+        <svg
+          {...props}
+          viewBox="0 0 20 20"
+          fill="none"
+          xmlns="http://www.w3.org/2000/svg"
+        >
+          <path
+            fillRule="evenodd"
+            clipRule="evenodd"
+            d="M4 3H4.5H11H11.2071L11.3536 3.14645L15.8536 7.64646L16 7.7929V8.00001V11.3773C15.6992 11.1362 15.3628 10.9376 15 10.7908V8.50001H11H10.5V8.00001V4H5V16H9.79076C9.93763 16.3628 10.1362 16.6992 10.3773 17H4.5H4V16.5V3.5V3ZM11.5 4.70711L14.2929 7.50001H11.5V4.70711ZM13 12V14H11V15H13V17H14V15H16V14H14V12H13Z"
+            fill="currentColor"
+          />
+        </svg>
+      )
+    case 'createFolder':
+      return (
+        <svg
+          {...props}
+          viewBox="0 0 20 20"
+          fill="none"
+          xmlns="http://www.w3.org/2000/svg"
+        >
+          <path
+            fillRule="evenodd"
+            clipRule="evenodd"
+            d="M3.5 3.5H4H7H7.16667L7.3 3.6L9.16667 5H16H16.5V5.5V7.5V10.3773C16.1992 10.1362 15.8628 9.93763 15.5 9.79076V8H4.5V15.5H10.5351C10.7529 15.8764 11.0302 16.2141 11.3542 16.5H4H3.5V16V7.5V4V3.5ZM4.5 4.5V7H15.5V6H9H8.83333L8.7 5.9L6.83333 4.5H4.5ZM13.5 11V13H11.5V14H13.5V16H14.5V14H16.5V13H14.5V11H13.5Z"
+            fill="currentColor"
+          />
+        </svg>
+      )
     case 'equal':
       return (
         <svg
@@ -61,6 +96,20 @@ export const CustomIcon = ({
           />
         </svg>
       )
+    case 'file':
+      return (
+        <svg
+          {...props}
+          viewBox="0 0 20 20"
+          fill="none"
+          xmlns="http://www.w3.org/2000/svg"
+        >
+          <path
+            d="M11 3.5H4.5V16.5H15.5V8.00001M11 3.5L15.5 8.00001M11 3.5V8.00001H15.5"
+            stroke="currentColor"
+          />
+        </svg>
+      )
     case 'horizontal':
       return (
         <svg

src/components/DebugPanel.tsx

@@ -1,5 +1,4 @@
 import { CollapsiblePanel, CollapsiblePanelProps } from './CollapsiblePanel'
-import { useStore } from '../useStore'
 import { v4 as uuidv4 } from 'uuid'
 import { EngineCommand } from '../lang/std/engineConnection'
 import { useState } from 'react'
@@ -7,6 +6,7 @@ import { ActionButton } from '../components/ActionButton'
 import { faCheck } from '@fortawesome/free-solid-svg-icons'
 import { isReducedMotion } from 'lang/util'
 import { AstExplorer } from './AstExplorer'
+import { engineCommandManager } from '../lang/std/engineConnection'
 
 type SketchModeCmd = Extract<
   Extract<EngineCommand, { type: 'modeling_cmd_req' }>['cmd'],
@@ -14,9 +14,6 @@ type SketchModeCmd = Extract<
 >
 
 export const DebugPanel = ({ className, ...props }: CollapsiblePanelProps) => {
-  const { engineCommandManager } = useStore((s) => ({
-    engineCommandManager: s.engineCommandManager,
-  }))
   const [sketchModeCmd, setSketchModeCmd] = useState<SketchModeCmd>({
     type: 'default_camera_enable_sketch_mode',
     origin: { x: 0, y: 0, z: 0 },
@@ -70,19 +67,18 @@ export const DebugPanel = ({ className, ...props }: CollapsiblePanelProps) => {
             className="w-16"
             type="checkbox"
             checked={sketchModeCmd.ortho}
-            onChange={(a) => {
-              console.log(a, (a as any).checked)
+            onChange={(a) =>
               setSketchModeCmd({
                 ...sketchModeCmd,
                 ortho: a.target.checked,
               })
-            }}
+            }
           />
         </div>
         <ActionButton
           Element="button"
           onClick={() => {
-            engineCommandManager?.sendSceneCommand({
+            engineCommandManager.sendSceneCommand({
               type: 'modeling_cmd_req',
               cmd: sketchModeCmd,
               cmd_id: uuidv4(),

src/components/ErrorPage.tsx

@@ -47,11 +47,9 @@ export const ErrorPage = () => {
             Clear storage
           </ActionButton>
           <ActionButton
-            Element="link"
+            Element="externalLink"
             icon={{ icon: faBug }}
-            target="_blank"
-            rel="noopener noreferrer"
-            to="https://discord.com/channels/915388055236509727/1138967922614743060"
+            to="https://github.com/KittyCAD/modeling-app/issues/new"
           >
             Report Bug
           </ActionButton>

src/components/ExportButton.tsx

@@ -1,31 +1,40 @@
 import { v4 as uuidv4 } from 'uuid'
-import { useStore } from '../useStore'
 import { faFileExport, faXmark } from '@fortawesome/free-solid-svg-icons'
 import { ActionButton } from './ActionButton'
 import Modal from 'react-modal'
 import React from 'react'
 import { useFormik } from 'formik'
 import { Models } from '@kittycad/lib'
+import { engineCommandManager } from '../lang/std/engineConnection'
+import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
 
 type OutputFormat = Models['OutputFormat_type']
+type OutputTypeKey = OutputFormat['type']
+type ExtractStorageTypes<T> = T extends { storage: infer U } ? U : never
+type StorageUnion = ExtractStorageTypes<OutputFormat>
 
 interface ExportButtonProps extends React.PropsWithChildren {
   className?: {
     button?: string
-    // If we wanted more classname configuration of sub-elements,
-    // put them here
+    icon?: string
+    bg?: string
   }
 }
 
 export const ExportButton = ({ children, className }: ExportButtonProps) => {
-  const { engineCommandManager } = useStore((s) => ({
-    engineCommandManager: s.engineCommandManager,
-  }))
-
   const [modalIsOpen, setIsOpen] = React.useState(false)
+  const {
+    settings: {
+      state: {
+        context: { baseUnit },
+      },
+    },
+  } = useGlobalStateContext()
 
   const defaultType = 'gltf'
-  const [type, setType] = React.useState(defaultType)
+  const [type, setType] = React.useState<OutputTypeKey>(defaultType)
+  const defaultStorage = 'embedded'
+  const [storage, setStorage] = React.useState<StorageUnion>(defaultStorage)
 
   function openModal() {
     setIsOpen(true)
@@ -38,7 +47,7 @@ export const ExportButton = ({ children, className }: ExportButtonProps) => {
   // Default to gltf and embedded.
   const initialValues: OutputFormat = {
     type: defaultType,
-    storage: 'embedded',
+    storage: defaultStorage,
     presentation: 'pretty',
   }
   const formik = useFormik({
@@ -66,7 +75,18 @@ export const ExportButton = ({ children, className }: ExportButtonProps) => {
           },
         }
       }
-      engineCommandManager?.sendSceneCommand({
+      if (values.type === 'obj' || values.type === 'stl') {
+        values.units = baseUnit
+      }
+      if (
+        values.type === 'ply' ||
+        values.type === 'stl' ||
+        values.type === 'gltf'
+      ) {
+        // Set the storage type.
+        values.storage = storage
+      }
+      engineCommandManager.sendSceneCommand({
         type: 'modeling_cmd_req',
         cmd: {
           type: 'export',
@@ -75,6 +95,7 @@ export const ExportButton = ({ children, className }: ExportButtonProps) => {
           // in the scene to export. In that case, you'd pass the IDs thru here.
           entity_ids: [],
           format: values,
+          source_unit: baseUnit,
         },
         cmd_id: uuidv4(),
       })
@@ -88,7 +109,11 @@ export const ExportButton = ({ children, className }: ExportButtonProps) => {
       <ActionButton
         onClick={openModal}
         Element="button"
-        icon={{ icon: faFileExport }}
+        icon={{
+          icon: faFileExport,
+          iconClassName: className?.icon,
+          bgClassName: className?.bg,
+        }}
         className={className?.button}
       >
         {children || 'Export'}
@@ -109,7 +134,17 @@ export const ExportButton = ({ children, className }: ExportButtonProps) => {
                 id="type"
                 name="type"
                 onChange={(e) => {
-                  setType(e.target.value)
+                  setType(e.target.value as OutputTypeKey)
+                  if (e.target.value === 'gltf') {
+                    // Set default to embedded.
+                    setStorage('embedded')
+                  } else if (e.target.value === 'ply') {
+                    // Set default to ascii.
+                    setStorage('ascii')
+                  } else if (e.target.value === 'stl') {
+                    // Set default to ascii.
+                    setStorage('ascii')
+                  }
                   formik.handleChange(e)
                 }}
                 className="bg-chalkboard-20 dark:bg-chalkboard-90 w-full"
@@ -127,10 +162,10 @@ export const ExportButton = ({ children, className }: ExportButtonProps) => {
                 <select
                   id="storage"
                   name="storage"
-                  onChange={formik.handleChange}
-                  value={
-                    'storage' in formik.values ? formik.values.storage : ''
-                  }
+                  onChange={(e) => {
+                    setStorage(e.target.value as StorageUnion)
+                    formik.handleChange(e)
+                  }}
                   className="bg-chalkboard-20 dark:bg-chalkboard-90 w-full"
                 >
                   {type === 'gltf' && (

src/components/FileMachineProvider.tsx

@@ -0,0 +1,157 @@
+import { useMachine } from '@xstate/react'
+import { useNavigate, useRouteLoaderData } from 'react-router-dom'
+import { IndexLoaderData, paths } from '../Router'
+import React, { createContext } from 'react'
+import { toast } from 'react-hot-toast'
+import {
+  AnyStateMachine,
+  ContextFrom,
+  EventFrom,
+  InterpreterFrom,
+  Prop,
+  StateFrom,
+} from 'xstate'
+import { useCommandsContext } from 'hooks/useCommandsContext'
+import { DEFAULT_FILE_NAME, fileMachine } from 'machines/fileMachine'
+import {
+  createDir,
+  removeDir,
+  removeFile,
+  renameFile,
+  writeFile,
+} from '@tauri-apps/api/fs'
+import { FILE_EXT, readProject } from 'lib/tauriFS'
+import { isTauri } from 'lib/isTauri'
+
+type MachineContext<T extends AnyStateMachine> = {
+  state: StateFrom<T>
+  context: ContextFrom<T>
+  send: Prop<InterpreterFrom<T>, 'send'>
+}
+
+export const FileContext = createContext(
+  {} as MachineContext<typeof fileMachine>
+)
+
+export const FileMachineProvider = ({
+  children,
+}: {
+  children: React.ReactNode
+}) => {
+  const navigate = useNavigate()
+  const { setCommandBarOpen } = useCommandsContext()
+  const { project } = useRouteLoaderData(paths.FILE) as IndexLoaderData
+
+  const [state, send] = useMachine(fileMachine, {
+    context: {
+      project,
+      selectedDirectory: project,
+    },
+    actions: {
+      navigateToFile: (
+        context: ContextFrom<typeof fileMachine>,
+        event: EventFrom<typeof fileMachine>
+      ) => {
+        if (event.data && 'name' in event.data) {
+          setCommandBarOpen(false)
+          navigate(
+            `${paths.FILE}/${encodeURIComponent(
+              context.selectedDirectory + '/' + event.data.name
+            )}`
+          )
+        }
+      },
+      toastSuccess: (_, event) =>
+        event.data && toast.success((event.data || '') + ''),
+      toastError: (_, event) => toast.error((event.data || '') + ''),
+    },
+    services: {
+      readFiles: async (context: ContextFrom<typeof fileMachine>) => {
+        const newFiles = isTauri()
+          ? await readProject(context.project.path)
+          : []
+        return {
+          ...context.project,
+          children: newFiles,
+        }
+      },
+      createFile: async (
+        context: ContextFrom<typeof fileMachine>,
+        event: EventFrom<typeof fileMachine, 'Create file'>
+      ) => {
+        let name = event.data.name.trim() || DEFAULT_FILE_NAME
+
+        if (event.data.makeDir) {
+          await createDir(context.selectedDirectory.path + '/' + name)
+        } else {
+          await writeFile(
+            context.selectedDirectory.path +
+              '/' +
+              name +
+              (name.endsWith(FILE_EXT) ? '' : FILE_EXT),
+            ''
+          )
+        }
+
+        return `Successfully created "${name}"`
+      },
+      renameFile: async (
+        context: ContextFrom<typeof fileMachine>,
+        event: EventFrom<typeof fileMachine, 'Rename file'>
+      ) => {
+        const { oldName, newName, isDir } = event.data
+        let name = newName ? newName : DEFAULT_FILE_NAME
+
+        await renameFile(
+          context.selectedDirectory.path + '/' + oldName,
+          context.selectedDirectory.path +
+            '/' +
+            name +
+            (name.endsWith(FILE_EXT) || isDir ? '' : FILE_EXT)
+        )
+        return (
+          oldName !== name && `Successfully renamed "${oldName}" to "${name}"`
+        )
+      },
+      deleteFile: async (
+        context: ContextFrom<typeof fileMachine>,
+        event: EventFrom<typeof fileMachine, 'Delete file'>
+      ) => {
+        const isDir = !!event.data.children
+
+        if (isDir) {
+          await removeDir(event.data.path, {
+            recursive: true,
+          }).catch((e) => console.error('Error deleting directory', e))
+        } else {
+          await removeFile(event.data.path).catch((e) =>
+            console.error('Error deleting file', e)
+          )
+        }
+        return `Successfully deleted ${isDir ? 'folder' : 'file'} "${
+          event.data.name
+        }"`
+      },
+    },
+    guards: {
+      'Has at least 1 file': (_, event: EventFrom<typeof fileMachine>) => {
+        if (event.type !== 'done.invoke.read-files') return false
+        return !!event?.data?.children && event.data.children.length > 0
+      },
+    },
+  })
+
+  return (
+    <FileContext.Provider
+      value={{
+        send,
+        state,
+        context: state.context, // just a convenience, can remove if we need to save on memory
+      }}
+    >
+      {children}
+    </FileContext.Provider>
+  )
+}
+
+export default FileMachineProvider

src/components/FileTree.module.css

@@ -0,0 +1,16 @@
+.folder {
+  position: relative;
+}
+
+.folder::after {
+  content: '';
+  width: 1px;
+  z-index: -1;
+  @apply absolute top-0 bottom-0;
+  left: calc(var(--indent-line-left, 1rem) + 0.25rem);
+  @apply bg-chalkboard-30;
+}
+
+:global(.dark) .folder::after {
+  @apply bg-chalkboard-80;
+}

src/components/FileTree.tsx

@@ -0,0 +1,400 @@
+import { IndexLoaderData, paths } from 'Router'
+import { ActionButton } from './ActionButton'
+import Tooltip from './Tooltip'
+import { FileEntry } from '@tauri-apps/api/fs'
+import { Dispatch, useEffect, useRef, useState } from 'react'
+import { useNavigate } from 'react-router-dom'
+import { Dialog, Disclosure } from '@headlessui/react'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { faChevronRight, faTrashAlt } from '@fortawesome/free-solid-svg-icons'
+import { useFileContext } from 'hooks/useFileContext'
+import { useHotkeys } from 'react-hotkeys-hook'
+import { kclManager } from 'lang/KclSinglton'
+import styles from './FileTree.module.css'
+import { sortProject } from 'lib/tauriFS'
+
+function getIndentationCSS(level: number) {
+  return `calc(1rem * ${level + 1})`
+}
+
+function RenameForm({
+  fileOrDir,
+  setIsRenaming,
+  level = 0,
+}: {
+  fileOrDir: FileEntry
+  setIsRenaming: Dispatch<React.SetStateAction<boolean>>
+  level?: number
+}) {
+  const { send } = useFileContext()
+  const inputRef = useRef<HTMLInputElement>(null)
+
+  function handleRenameSubmit(e: React.FormEvent<HTMLFormElement>) {
+    e.preventDefault()
+    setIsRenaming(false)
+    send({
+      type: 'Rename file',
+      data: {
+        oldName: fileOrDir.name || '',
+        newName: inputRef.current?.value || fileOrDir.name || '',
+        isDir: fileOrDir.children !== undefined,
+      },
+    })
+  }
+
+  function handleKeyDown(e: React.KeyboardEvent<HTMLInputElement>) {
+    if (e.key === 'Escape') {
+      e.stopPropagation()
+      setIsRenaming(false)
+    }
+  }
+
+  return (
+    <form onSubmit={handleRenameSubmit}>
+      <label>
+        <span className="sr-only">Rename file</span>
+        <input
+          ref={inputRef}
+          type="text"
+          autoFocus
+          placeholder={fileOrDir.name}
+          className="w-full py-1 bg-transparent text-chalkboard-100 placeholder:text-chalkboard-70 dark:text-chalkboard-10 dark:placeholder:text-chalkboard-50 focus:outline-none focus:ring-0"
+          onKeyDown={handleKeyDown}
+          onBlur={() => setIsRenaming(false)}
+          style={{ paddingInlineStart: getIndentationCSS(level) }}
+        />
+      </label>
+      <button className="sr-only" type="submit">
+        Submit
+      </button>
+    </form>
+  )
+}
+
+function DeleteConfirmationDialog({
+  fileOrDir,
+  setIsOpen,
+}: {
+  fileOrDir: FileEntry
+  setIsOpen: Dispatch<React.SetStateAction<boolean>>
+}) {
+  const { send } = useFileContext()
+  return (
+    <Dialog
+      open={true}
+      onClose={() => setIsOpen(false)}
+      className="relative z-50"
+    >
+      <div className="fixed inset-0 bg-chalkboard-110/80 grid place-content-center">
+        <Dialog.Panel className="rounded p-4 bg-chalkboard-10 dark:bg-chalkboard-100 border border-destroy-80 max-w-2xl">
+          <Dialog.Title as="h2" className="text-2xl font-bold mb-4">
+            Delete {fileOrDir.children !== undefined ? 'Folder' : 'File'}
+          </Dialog.Title>
+          <Dialog.Description className="my-6">
+            This will permanently delete "{fileOrDir.name || 'this file'}"
+            {fileOrDir.children !== undefined
+              ? ' and all of its contents. '
+              : '. '}
+            This action cannot be undone.
+          </Dialog.Description>
+
+          <div className="flex justify-between">
+            <ActionButton
+              Element="button"
+              onClick={async () => {
+                send({ type: 'Delete file', data: fileOrDir })
+                setIsOpen(false)
+              }}
+              icon={{
+                icon: faTrashAlt,
+                bgClassName: 'bg-destroy-80',
+                iconClassName:
+                  'text-destroy-20 group-hover:text-destroy-10 hover:text-destroy-10 dark:text-destroy-20 dark:group-hover:text-destroy-10 dark:hover:text-destroy-10',
+              }}
+              className="hover:border-destroy-40 dark:hover:border-destroy-40"
+            >
+              Delete
+            </ActionButton>
+            <ActionButton Element="button" onClick={() => setIsOpen(false)}>
+              Cancel
+            </ActionButton>
+          </div>
+        </Dialog.Panel>
+      </div>
+    </Dialog>
+  )
+}
+
+const FileTreeItem = ({
+  project,
+  currentFile,
+  fileOrDir,
+  closePanel,
+  level = 0,
+}: {
+  project?: IndexLoaderData['project']
+  currentFile?: IndexLoaderData['file']
+  fileOrDir: FileEntry
+  closePanel: (
+    focusableElement?:
+      | HTMLElement
+      | React.MutableRefObject<HTMLElement | null>
+      | undefined
+  ) => void
+  level?: number
+}) => {
+  const { send, context } = useFileContext()
+  const navigate = useNavigate()
+  const [isRenaming, setIsRenaming] = useState(false)
+  const [isConfirmingDelete, setIsConfirmingDelete] = useState(false)
+  const isCurrentFile = fileOrDir.path === currentFile?.path
+
+  function handleKeyUp(e: React.KeyboardEvent<HTMLButtonElement>) {
+    if (e.metaKey && e.key === 'Backspace') {
+      // Open confirmation dialog
+      setIsConfirmingDelete(true)
+    } else if (e.key === 'Enter') {
+      // Show the renaming form
+      setIsRenaming(true)
+    } else if (e.code === 'Space') {
+      openFile()
+    }
+  }
+
+  function openFile() {
+    if (fileOrDir.children !== undefined) return // Don't open directories
+    kclManager.setCode('')
+    navigate(`${paths.FILE}/${encodeURIComponent(fileOrDir.path)}`)
+    closePanel()
+  }
+
+  return (
+    <>
+      {fileOrDir.children === undefined ? (
+        <li
+          className={
+            'group m-0 p-0 border-solid border-0 text-energy-100 hover:text-energy-70 hover:bg-energy-10/50 dark:text-energy-30 dark:hover:!text-energy-20 dark:hover:bg-energy-90/50 focus-within:bg-energy-10/80 dark:focus-within:bg-energy-80/50 hover:focus-within:bg-energy-10/80 dark:hover:focus-within:bg-energy-80/50 ' +
+            (isCurrentFile ? 'bg-energy-10/50 dark:bg-energy-90/50' : '')
+          }
+        >
+          {!isRenaming ? (
+            <button
+              className="flex gap-1 items-center py-0.5 rounded-none border-none p-0 m-0 text-sm w-full hover:!bg-transparent text-left !text-inherit"
+              style={{ paddingInlineStart: getIndentationCSS(level) }}
+              onDoubleClick={openFile}
+              onClick={(e) => e.currentTarget.focus()}
+              onKeyUp={handleKeyUp}
+            >
+              <KclIcon
+                className={
+                  'inline-block w-3 ' +
+                  (isCurrentFile
+                    ? 'text-energy-90 dark:text-energy-10'
+                    : 'text-energy-50 dark:text-energy-50')
+                }
+              />
+              {fileOrDir.name}
+            </button>
+          ) : (
+            <RenameForm
+              fileOrDir={fileOrDir}
+              setIsRenaming={setIsRenaming}
+              level={level}
+            />
+          )}
+        </li>
+      ) : (
+        <Disclosure defaultOpen={currentFile?.path.includes(fileOrDir.path)}>
+          {({ open }) => (
+            <div className="group">
+              {!isRenaming ? (
+                <Disclosure.Button
+                  className={
+                    ' group border-none text-sm rounded-none p-0 m-0 flex items-center justify-start w-full py-0.5 text-chalkboard-70 dark:text-chalkboard-30 hover:bg-energy-10/50 dark:hover:bg-energy-90/50' +
+                    (context.selectedDirectory.path.includes(fileOrDir.path)
+                      ? ' group-focus-within:bg-chalkboard-20/50 dark:group-focus-within:bg-chalkboard-80/20 hover:group-focus-within:bg-chalkboard-20 dark:hover:group-focus-within:bg-chalkboard-80/20 group-active:bg-chalkboard-20/50 dark:group-active:bg-chalkboard-80/20 hover:group-active:bg-chalkboard-20/50 dark:hover:group-active:bg-chalkboard-80/20'
+                      : '')
+                  }
+                  style={{ paddingInlineStart: getIndentationCSS(level) }}
+                  onClick={(e) => e.currentTarget.focus()}
+                  onClickCapture={(e) =>
+                    send({ type: 'Set selected directory', data: fileOrDir })
+                  }
+                  onFocusCapture={(e) =>
+                    send({ type: 'Set selected directory', data: fileOrDir })
+                  }
+                  onKeyDown={(e) => e.key === 'Enter' && e.preventDefault()}
+                  onKeyUp={handleKeyUp}
+                >
+                  <FontAwesomeIcon
+                    icon={faChevronRight}
+                    className={
+                      'inline-block mr-2 m-0 p-0 w-2 h-2 ' +
+                      (open ? 'transform rotate-90' : '')
+                    }
+                  />
+                  {fileOrDir.name}
+                </Disclosure.Button>
+              ) : (
+                <div
+                  className="flex items-center"
+                  style={{ paddingInlineStart: getIndentationCSS(level) }}
+                >
+                  <FontAwesomeIcon
+                    icon={faChevronRight}
+                    className={
+                      'inline-block mr-2 m-0 p-0 w-2 h-2 ' +
+                      (open ? 'transform rotate-90' : '')
+                    }
+                  />
+                  <RenameForm
+                    fileOrDir={fileOrDir}
+                    setIsRenaming={setIsRenaming}
+                    level={-1}
+                  />
+                </div>
+              )}
+              <Disclosure.Panel
+                className={styles.folder}
+                style={
+                  {
+                    '--indent-line-left': getIndentationCSS(level),
+                  } as React.CSSProperties
+                }
+              >
+                <ul
+                  className="m-0 p-0"
+                  onClickCapture={(e) => {
+                    send({ type: 'Set selected directory', data: fileOrDir })
+                  }}
+                  onFocusCapture={(e) =>
+                    send({ type: 'Set selected directory', data: fileOrDir })
+                  }
+                >
+                  {fileOrDir.children?.map((child) => (
+                    <FileTreeItem
+                      fileOrDir={child}
+                      project={project}
+                      currentFile={currentFile}
+                      closePanel={closePanel}
+                      level={level + 1}
+                      key={level + '-' + child.path}
+                    />
+                  ))}
+                </ul>
+              </Disclosure.Panel>
+            </div>
+          )}
+        </Disclosure>
+      )}
+      {isConfirmingDelete && (
+        <DeleteConfirmationDialog
+          fileOrDir={fileOrDir}
+          setIsOpen={setIsConfirmingDelete}
+        />
+      )}
+    </>
+  )
+}
+
+interface FileTreeProps {
+  className?: string
+  file?: IndexLoaderData['file']
+  closePanel: (
+    focusableElement?:
+      | HTMLElement
+      | React.MutableRefObject<HTMLElement | null>
+      | undefined
+  ) => void
+}
+
+export const FileTree = ({
+  className = '',
+  file,
+  closePanel,
+}: FileTreeProps) => {
+  const { send, context } = useFileContext()
+  useHotkeys('meta + n', createFile)
+  useHotkeys('meta + shift + n', createFolder)
+
+  async function createFile() {
+    send({ type: 'Create file', data: { name: '', makeDir: false } })
+  }
+
+  async function createFolder() {
+    send({ type: 'Create file', data: { name: '', makeDir: true } })
+  }
+
+  return (
+    <div className={className}>
+      <div className="flex items-center gap-1 px-4 py-1 bg-chalkboard-30/50 dark:bg-chalkboard-70/50">
+        <h2 className="flex-1 m-0 p-0 text-sm mono">Files</h2>
+        <ActionButton
+          Element="button"
+          icon={{
+            icon: 'createFile',
+            iconClassName: '!text-energy-80 dark:!text-energy-20',
+            bgClassName: 'hover:bg-energy-10/50 dark:hover:bg-transparent',
+          }}
+          className="!p-0 border-none bg-transparent !outline-none"
+          onClick={createFile}
+        >
+          <Tooltip position="inlineStart" delay={750}>
+            Create File
+          </Tooltip>
+        </ActionButton>
+
+        <ActionButton
+          Element="button"
+          icon={{
+            icon: 'createFolder',
+            iconClassName: '!text-energy-80 dark:!text-energy-20',
+            bgClassName: 'hover:bg-energy-10/50 dark:hover:bg-transparent',
+          }}
+          className="!p-0 border-none bg-transparent !outline-none"
+          onClick={createFolder}
+        >
+          <Tooltip position="inlineStart" delay={750}>
+            Create Folder
+          </Tooltip>
+        </ActionButton>
+      </div>
+      <div className="overflow-auto max-h-full pb-12">
+        <ul
+          className="m-0 p-0 text-sm"
+          onClickCapture={(e) => {
+            send({ type: 'Set selected directory', data: context.project })
+          }}
+        >
+          {sortProject(context.project.children || []).map((fileOrDir) => (
+            <FileTreeItem
+              project={context.project}
+              currentFile={file}
+              fileOrDir={fileOrDir}
+              closePanel={closePanel}
+              key={fileOrDir.path}
+            />
+          ))}
+        </ul>
+      </div>
+    </div>
+  )
+}
+
+function KclIcon({ className = '' }: { className?: string }) {
+  return (
+    <svg
+      className={className}
+      viewBox="0 0 40 40"
+      fill="none"
+      xmlns="http://www.w3.org/2000/svg"
+    >
+      <path
+        fillRule="evenodd"
+        clipRule="evenodd"
+        d="M40 0H0V40H40V0ZM7.34715 27.2143V15.6577L2.976 15.987V36.7949H7.34715V32.0645L8.00582 31.5256C8.24533 31.326 8.47487 31.1264 8.69442 30.9268L12.1075 36.7949H17.0475C16.1893 35.3978 15.311 33.9906 14.4128 32.5735C13.5346 31.1563 12.6664 29.7392 11.8081 28.3221L15.8499 24.9389C15.4308 24.4399 15.0017 23.931 14.5625 23.412L13.3051 21.8552L7.34715 27.2143ZM22.2581 26.6754C22.8769 25.9169 23.6753 25.5377 24.6533 25.5377C25.272 25.5377 25.8309 25.6175 26.3299 25.7772C26.8289 25.9169 27.4177 26.1465 28.0963 26.4658L29.3238 23.3521C28.5853 22.7933 27.7371 22.4041 26.779 22.1845C25.8409 21.9649 25.0625 21.8552 24.4437 21.8552C22.0885 21.8552 20.2223 22.5537 18.845 23.9509C17.4878 25.3281 16.8092 27.1944 16.8092 29.5496C16.8092 31.9048 17.4878 33.7611 18.845 35.1183C20.2223 36.4756 22.0885 37.1542 24.4437 37.1542C25.0625 37.1542 25.8509 37.0444 26.8089 36.8249C27.767 36.6053 28.6053 36.2161 29.3238 35.6572L28.0963 32.5435C27.4177 32.8629 26.8289 33.0924 26.3299 33.2321C25.8309 33.3718 25.272 33.4417 24.6533 33.4417C23.6753 33.4417 22.8769 33.0924 22.2581 32.3938C21.6594 31.6753 21.36 30.7272 21.36 29.5496C21.36 28.372 21.6594 27.4139 22.2581 26.6754ZM36.2796 36.7949V15.6577L31.9085 15.987V36.7949H36.2796Z"
+        fill="currentColor"
+      />
+    </svg>
+  )
+}

src/components/Logs.tsx

@@ -1,8 +1,8 @@
 import ReactJson from 'react-json-view'
 import { useEffect } from 'react'
-import { useStore } from '../useStore'
 import { CollapsiblePanel, CollapsiblePanelProps } from './CollapsiblePanel'
 import { Themes } from '../lib/theme'
+import { useKclContext } from 'lang/KclSinglton'
 
 const ReactJsonTypeHack = ReactJson as any
 
@@ -11,9 +11,7 @@ interface LogPanelProps extends CollapsiblePanelProps {
 }
 
 export const Logs = ({ theme = Themes.Light, ...props }: LogPanelProps) => {
-  const { logs } = useStore(({ logs }) => ({
-    logs,
-  }))
+  const { logs } = useKclContext()
   useEffect(() => {
     const element = document.querySelector('.console-tile')
     if (element) {
@@ -47,21 +45,19 @@ export const KCLErrors = ({
   theme = Themes.Light,
   ...props
 }: LogPanelProps) => {
-  const { kclErrors } = useStore(({ kclErrors }) => ({
-    kclErrors,
-  }))
+  const { errors } = useKclContext()
   useEffect(() => {
     const element = document.querySelector('.console-tile')
     if (element) {
       element.scrollTop = element.scrollHeight - element.clientHeight
     }
-  }, [kclErrors])
+  }, [errors])
   return (
     <CollapsiblePanel {...props}>
       <div className="h-full relative">
         <div className="absolute inset-0 flex flex-col">
           <ReactJsonTypeHack
-            src={kclErrors}
+            src={errors}
             collapsed={1}
             collapseStringsAfterLength={60}
             enableClipboard={false}

src/components/MemoryPanel.test.tsx

@@ -1,7 +1,6 @@
 import { processMemory } from './MemoryPanel'
-import { parser_wasm } from '../lang/abstractSyntaxTree'
 import { enginelessExecutor } from '../lib/testHelpers'
-import { initPromise } from '../lang/rust'
+import { initPromise, parse } from '../lang/wasm'
 
 beforeAll(() => initPromise)
 
@@ -15,18 +14,20 @@ describe('processMemory', () => {
   }
   const otherVar = myFn(5)
 
-  const theExtrude = startSketchAt([0, 0])
+  const theExtrude = startSketchOn('XY')
+    |> startProfileAt([0, 0], %)
     |> lineTo([-2.4, myVar], %)
     |> lineTo([-0.76, otherVar], %)
     |> extrude(4, %)
 
-  const theSketch = startSketchAt([0, 0])
+  const theSketch = startSketchOn('XY')
+    |> startProfileAt([0, 0], %)
     |> lineTo([-3.35, 0.17], %)
     |> lineTo([0.98, 5.16], %)
     |> lineTo([2.15, 4.32], %)
     // |> rx(90, %)
   show(theExtrude, theSketch)`
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const programMemory = await enginelessExecutor(ast, {
       root: {},
       return: null,

src/components/MemoryPanel.tsx

@@ -1,9 +1,9 @@
 import ReactJson from 'react-json-view'
 import { CollapsiblePanel, CollapsiblePanelProps } from './CollapsiblePanel'
-import { useStore } from '../useStore'
 import { useMemo } from 'react'
-import { ProgramMemory, Path, ExtrudeSurface } from '../lang/executor'
+import { ProgramMemory, Path, ExtrudeSurface } from '../lang/wasm'
 import { Themes } from '../lib/theme'
+import { useKclContext } from 'lang/KclSinglton'
 
 interface MemoryPanelProps extends CollapsiblePanelProps {
   theme?: Exclude<Themes, Themes.System>
@@ -13,9 +13,7 @@ export const MemoryPanel = ({
   theme = Themes.Light,
   ...props
 }: MemoryPanelProps) => {
-  const { programMemory } = useStore((s) => ({
-    programMemory: s.programMemory,
-  }))
+  const { programMemory } = useKclContext()
   const ProcessedMemory = useMemo(
     () => processMemory(programMemory),
     [programMemory]
@@ -50,7 +48,7 @@ export const MemoryPanel = ({
 
 export const processMemory = (programMemory: ProgramMemory) => {
   const processedMemory: any = {}
-  Object.keys(programMemory.root).forEach((key) => {
+  Object.keys(programMemory?.root || {}).forEach((key) => {
     const val = programMemory.root[key]
     if (typeof val.value !== 'function') {
       if (val.type === 'SketchGroup') {

src/components/ModelingMachineProvider.tsx

@@ -0,0 +1,441 @@
+import { useMachine } from '@xstate/react'
+import React, { createContext, useEffect, useRef } from 'react'
+import {
+  AnyStateMachine,
+  ContextFrom,
+  InterpreterFrom,
+  Prop,
+  StateFrom,
+  assign,
+} from 'xstate'
+import { SetSelections, modelingMachine } from 'machines/modelingMachine'
+import { useSetupEngineManager } from 'hooks/useSetupEngineManager'
+import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
+import { isCursorInSketchCommandRange } from 'lang/util'
+import { engineCommandManager } from 'lang/std/engineConnection'
+import { v4 as uuidv4 } from 'uuid'
+import { addStartSketch } from 'lang/modifyAst'
+import { roundOff } from 'lib/utils'
+import {
+  recast,
+  parse,
+  Program,
+  VariableDeclarator,
+  PipeExpression,
+  CallExpression,
+} from 'lang/wasm'
+import { getNodeFromPath } from 'lang/queryAst'
+import {
+  addCloseToPipe,
+  addNewSketchLn,
+  compareVec2Epsilon,
+} from 'lang/std/sketch'
+import { kclManager } from 'lang/KclSinglton'
+import { applyConstraintHorzVertDistance } from './Toolbar/SetHorzVertDistance'
+import { applyConstraintAngleBetween } from './Toolbar/SetAngleBetween'
+import { applyConstraintAngleLength } from './Toolbar/setAngleLength'
+import { toast } from 'react-hot-toast'
+import { pathMapToSelections } from 'lang/util'
+import { useStore } from 'useStore'
+import { handleSelectionBatch, handleSelectionWithShift } from 'lib/selections'
+import { applyConstraintIntersect } from './Toolbar/Intersect'
+
+type MachineContext<T extends AnyStateMachine> = {
+  state: StateFrom<T>
+  context: ContextFrom<T>
+  send: Prop<InterpreterFrom<T>, 'send'>
+}
+
+export const ModelingMachineContext = createContext(
+  {} as MachineContext<typeof modelingMachine>
+)
+
+export const ModelingMachineProvider = ({
+  children,
+}: {
+  children: React.ReactNode
+}) => {
+  const { auth } = useGlobalStateContext()
+  const token = auth?.context?.token
+  const streamRef = useRef<HTMLDivElement>(null)
+  useSetupEngineManager(streamRef, token)
+
+  const { isShiftDown, editorView } = useStore((s) => ({
+    isShiftDown: s.isShiftDown,
+    editorView: s.editorView,
+  }))
+
+  // const { commands } = useCommandsContext()
+
+  // Settings machine setup
+  // const retrievedSettings = useRef(
+  // localStorage?.getItem(MODELING_PERSIST_KEY) || '{}'
+  // )
+
+  // What should we persist from modeling state? Nothing?
+  // const persistedSettings = Object.assign(
+  //   settingsMachine.initialState.context,
+  //   JSON.parse(retrievedSettings.current) as Partial<
+  //     (typeof settingsMachine)['context']
+  //   >
+  // )
+
+  const [modelingState, modelingSend] = useMachine(modelingMachine, {
+    // context: persistedSettings,
+    actions: {
+      'Modify AST': () => {},
+      'Update code selection cursors': () => {},
+      'show default planes': () => {
+        kclManager.showPlanes()
+      },
+      'create path': assign({
+        sketchEnginePathId: () => {
+          const sketchUuid = uuidv4()
+          engineCommandManager.sendSceneCommand({
+            type: 'modeling_cmd_req',
+            cmd_id: sketchUuid,
+            cmd: {
+              type: 'start_path',
+            },
+          })
+          engineCommandManager.sendSceneCommand({
+            type: 'modeling_cmd_req',
+            cmd_id: uuidv4(),
+            cmd: {
+              type: 'edit_mode_enter',
+              target: sketchUuid,
+            },
+          })
+          return sketchUuid
+        },
+      }),
+      'AST start new sketch': assign(
+        ({ sketchEnginePathId }, { data: { coords, axis, segmentId } }) => {
+          if (!axis) {
+            // Something really weird must have happened for this to happen.
+            console.error('axis is undefined for starting a new sketch')
+            return {}
+          }
+          if (!segmentId) {
+            // Something really weird must have happened for this to happen.
+            console.error('segmentId is undefined for starting a new sketch')
+            return {}
+          }
+
+          const _addStartSketch = addStartSketch(
+            kclManager.ast,
+            axis,
+            [roundOff(coords[0].x), roundOff(coords[0].y)],
+            [
+              roundOff(coords[1].x - coords[0].x),
+              roundOff(coords[1].y - coords[0].y),
+            ]
+          )
+          const _modifiedAst = _addStartSketch.modifiedAst
+          const _pathToNode = _addStartSketch.pathToNode
+          const newCode = recast(_modifiedAst)
+          const astWithUpdatedSource = parse(newCode)
+          const updatedPipeNode = getNodeFromPath<PipeExpression>(
+            astWithUpdatedSource,
+            _pathToNode
+          ).node
+          const startProfileAtCallExp = updatedPipeNode.body.find(
+            (exp) =>
+              exp.type === 'CallExpression' &&
+              exp.callee.name === 'startProfileAt'
+          )
+          if (startProfileAtCallExp)
+            engineCommandManager.artifactMap[sketchEnginePathId] = {
+              type: 'result',
+              range: [startProfileAtCallExp.start, startProfileAtCallExp.end],
+              commandType: 'extend_path',
+              data: null,
+              raw: {} as any,
+            }
+          const lineCallExp = updatedPipeNode.body.find(
+            (exp) => exp.type === 'CallExpression' && exp.callee.name === 'line'
+          )
+          if (lineCallExp)
+            engineCommandManager.artifactMap[segmentId] = {
+              type: 'result',
+              range: [lineCallExp.start, lineCallExp.end],
+              commandType: 'extend_path',
+              parentId: sketchEnginePathId,
+              data: null,
+              raw: {} as any,
+            }
+
+          kclManager.executeAstMock(astWithUpdatedSource, true)
+
+          return {
+            sketchPathToNode: _pathToNode,
+          }
+        }
+      ),
+      'AST add line segment': (
+        { sketchPathToNode, sketchEnginePathId },
+        { data: { coords, segmentId } }
+      ) => {
+        if (!sketchPathToNode) return
+        const lastCoord = coords[coords.length - 1]
+
+        const { node: varDec } = getNodeFromPath<VariableDeclarator>(
+          kclManager.ast,
+          sketchPathToNode,
+          'VariableDeclarator'
+        )
+        const variableName = varDec.id.name
+        const sketchGroup = kclManager.programMemory.root[variableName]
+        if (!sketchGroup || sketchGroup.type !== 'SketchGroup') return
+        const initialCoords = sketchGroup.value[0].from
+
+        const isClose = compareVec2Epsilon(initialCoords, [
+          lastCoord.x,
+          lastCoord.y,
+        ])
+
+        let _modifiedAst: Program
+        if (!isClose) {
+          const newSketchLn = addNewSketchLn({
+            node: kclManager.ast,
+            programMemory: kclManager.programMemory,
+            to: [lastCoord.x, lastCoord.y],
+            fnName: 'line',
+            pathToNode: sketchPathToNode,
+          })
+          const _modifiedAst = newSketchLn.modifiedAst
+          kclManager.executeAstMock(_modifiedAst, true).then(() => {
+            const lineCallExp = getNodeFromPath<CallExpression>(
+              kclManager.ast,
+              newSketchLn.pathToNode
+            ).node
+            if (segmentId)
+              engineCommandManager.artifactMap[segmentId] = {
+                type: 'result',
+                range: [lineCallExp.start, lineCallExp.end],
+                commandType: 'extend_path',
+                parentId: sketchEnginePathId,
+                data: null,
+                raw: {} as any,
+              }
+          })
+        } else {
+          _modifiedAst = addCloseToPipe({
+            node: kclManager.ast,
+            programMemory: kclManager.programMemory,
+            pathToNode: sketchPathToNode,
+          })
+          engineCommandManager.sendSceneCommand({
+            type: 'modeling_cmd_req',
+            cmd_id: uuidv4(),
+            cmd: { type: 'edit_mode_exit' },
+          })
+          engineCommandManager.sendSceneCommand({
+            type: 'modeling_cmd_req',
+            cmd_id: uuidv4(),
+            cmd: { type: 'default_camera_disable_sketch_mode' },
+          })
+          kclManager.executeAstMock(_modifiedAst, true)
+          // updateAst(_modifiedAst, true)
+        }
+      },
+      'sketch exit execute': () => {
+        kclManager.executeAst()
+      },
+      'set tool': () => {}, // TODO
+      'toast extrude failed': () => {
+        toast.error(
+          'Extrude failed, sketches need to be closed, or not already extruded'
+        )
+      },
+      'Set selection': assign(({ selectionRanges }, event) => {
+        if (event.type !== 'Set selection') return {} // this was needed for ts after adding 'Set selection' action to on done modal events
+        const setSelections = event.data
+        if (setSelections.selectionType === 'mirrorCodeMirrorSelections')
+          return { selectionRanges: setSelections.selection }
+        else if (setSelections.selectionType === 'otherSelection')
+          return {
+            selectionRanges: {
+              ...selectionRanges,
+              otherSelections: [setSelections.selection],
+            },
+          }
+        else if (!editorView) return {}
+        else if (setSelections.selectionType === 'singleCodeCursor') {
+          // This DOES NOT set the `selectionRanges` in xstate context
+          // instead it updates/dispatches to the editor, which in turn updates the xstate context
+          // I've found this the best way to deal with the editor without causing an infinite loop
+          // and really we want the editor to be in charge of cursor positions and for `selectionRanges` mirror it
+          // because we want to respect the user manually placing the cursor too.
+
+          // for more details on how selections see `src/lib/selections.ts`.
+          const { codeMirrorSelection, selectionRangeTypeMap } =
+            handleSelectionWithShift({
+              codeSelection: setSelections.selection,
+              currestSelections: selectionRanges,
+              isShiftDown,
+            })
+          if (codeMirrorSelection) {
+            setTimeout(() => {
+              editorView.dispatch({
+                selection: codeMirrorSelection,
+              })
+            })
+          }
+          return { selectionRangeTypeMap }
+        }
+        // This DOES NOT set the `selectionRanges` in xstate context
+        // same as comment above
+        const { codeMirrorSelection, selectionRangeTypeMap } =
+          handleSelectionBatch({
+            selections: setSelections.selection,
+          })
+        if (codeMirrorSelection) {
+          setTimeout(() => {
+            editorView.dispatch({
+              selection: codeMirrorSelection,
+            })
+          })
+        }
+        return { selectionRangeTypeMap }
+      }),
+    },
+    guards: {
+      'Selection contains axis': () => true,
+      'Selection contains edge': () => true,
+      'Selection contains face': () => true,
+      'Selection contains line': () => true,
+      'Selection contains point': () => true,
+      'Selection is not empty': () => true,
+      'Selection is one face': ({ selectionRanges }) => {
+        return !!isCursorInSketchCommandRange(
+          engineCommandManager.artifactMap,
+          selectionRanges
+        )
+      },
+    },
+    services: {
+      'Get horizontal info': async ({
+        selectionRanges,
+      }): Promise<SetSelections> => {
+        const { modifiedAst, pathToNodeMap } =
+          await applyConstraintHorzVertDistance({
+            constraint: 'setHorzDistance',
+            selectionRanges,
+          })
+        await kclManager.updateAst(modifiedAst, true)
+        return {
+          selectionType: 'completeSelection',
+          selection: pathMapToSelections(
+            kclManager.ast,
+            selectionRanges,
+            pathToNodeMap
+          ),
+        }
+      },
+      'Get vertical info': async ({
+        selectionRanges,
+      }): Promise<SetSelections> => {
+        const { modifiedAst, pathToNodeMap } =
+          await applyConstraintHorzVertDistance({
+            constraint: 'setVertDistance',
+            selectionRanges,
+          })
+        await kclManager.updateAst(modifiedAst, true)
+        return {
+          selectionType: 'completeSelection',
+          selection: pathMapToSelections(
+            kclManager.ast,
+            selectionRanges,
+            pathToNodeMap
+          ),
+        }
+      },
+      'Get angle info': async ({ selectionRanges }): Promise<SetSelections> => {
+        const { modifiedAst, pathToNodeMap } =
+          await applyConstraintAngleBetween({
+            selectionRanges,
+          })
+        await kclManager.updateAst(modifiedAst, true)
+        return {
+          selectionType: 'completeSelection',
+          selection: pathMapToSelections(
+            kclManager.ast,
+            selectionRanges,
+            pathToNodeMap
+          ),
+        }
+      },
+      'Get length info': async ({
+        selectionRanges,
+      }): Promise<SetSelections> => {
+        const { modifiedAst, pathToNodeMap } = await applyConstraintAngleLength(
+          { selectionRanges }
+        )
+        await kclManager.updateAst(modifiedAst, true)
+        return {
+          selectionType: 'completeSelection',
+          selection: pathMapToSelections(
+            kclManager.ast,
+            selectionRanges,
+            pathToNodeMap
+          ),
+        }
+      },
+      'Get perpendicular distance info': async ({
+        selectionRanges,
+      }): Promise<SetSelections> => {
+        const { modifiedAst, pathToNodeMap } = await applyConstraintIntersect({
+          selectionRanges,
+        })
+        await kclManager.updateAst(modifiedAst, true)
+        return {
+          selectionType: 'completeSelection',
+          selection: pathMapToSelections(
+            kclManager.ast,
+            selectionRanges,
+            pathToNodeMap
+          ),
+        }
+      },
+    },
+    devTools: true,
+  })
+
+  useEffect(() => {
+    engineCommandManager.onPlaneSelected((plane_id: string) => {
+      if (modelingState.nextEvents.includes('Select default plane')) {
+        modelingSend({
+          type: 'Select default plane',
+          data: { planeId: plane_id },
+        })
+      }
+    })
+  }, [modelingSend, modelingState.nextEvents])
+
+  // useStateMachineCommands({
+  //   state: settingsState,
+  //   send: settingsSend,
+  //   commands,
+  //   owner: 'settings',
+  //   commandBarMeta: settingsCommandBarMeta,
+  // })
+
+  return (
+    <ModelingMachineContext.Provider
+      value={{
+        state: modelingState,
+        context: modelingState.context,
+        send: modelingSend,
+      }}
+    >
+      {/* TODO #818: maybe pass reff down to children/app.ts or render app.tsx directly?
+      since realistically it won't ever have generic children that isn't app.tsx */}
+      <div className="h-screen overflow-hidden select-none" ref={streamRef}>
+        {children}
+      </div>
+    </ModelingMachineContext.Provider>
+  )
+}
+
+export default ModelingMachineProvider

src/components/ProjectCard.tsx

@@ -1,4 +1,4 @@
-import { FormEvent, useState } from 'react'
+import { FormEvent, useEffect, useState } from 'react'
 import { type ProjectWithEntryPointMetadata, paths } from '../Router'
 import { Link } from 'react-router-dom'
 import { ActionButton } from './ActionButton'
@@ -8,7 +8,7 @@ import {
   faTrashAlt,
   faX,
 } from '@fortawesome/free-solid-svg-icons'
-import { FILE_EXT } from '../lib/tauriFS'
+import { FILE_EXT, getPartsCount, readProject } from '../lib/tauriFS'
 import { Dialog } from '@headlessui/react'
 import { useHotkeys } from 'react-hotkeys-hook'
 
@@ -28,6 +28,8 @@ function ProjectCard({
   useHotkeys('esc', () => setIsEditing(false))
   const [isEditing, setIsEditing] = useState(false)
   const [isConfirmingDelete, setIsConfirmingDelete] = useState(false)
+  const [numberOfParts, setNumberOfParts] = useState(1)
+  const [numberOfFolders, setNumberOfFolders] = useState(0)
 
   function handleSave(e: FormEvent<HTMLFormElement>) {
     e.preventDefault()
@@ -42,6 +44,17 @@ function ProjectCard({
       : date.toLocaleTimeString()
   }
 
+  useEffect(() => {
+    async function getNumberOfParts() {
+      const { kclFileCount, kclDirCount } = getPartsCount(
+        await readProject(project.path)
+      )
+      setNumberOfParts(kclFileCount)
+      setNumberOfFolders(kclDirCount)
+    }
+    getNumberOfParts()
+  }, [project.path])
+
   return (
     <li
       {...props}
@@ -76,7 +89,7 @@ function ProjectCard({
         </form>
       ) : (
         <>
-          <div className="p-1 flex flex-col gap-2">
+          <div className="p-1 flex flex-col h-full gap-2">
             <Link
               to={`${paths.FILE}/${encodeURIComponent(project.path)}`}
               className="flex-1 text-liquid-100"
@@ -84,7 +97,14 @@ function ProjectCard({
               {project.name?.replace(FILE_EXT, '')}
             </Link>
             <span className="text-chalkboard-60 text-xs">
-              Edited {getDisplayedTime(project.entrypoint_metadata.modifiedAt)}
+              {numberOfParts} part{numberOfParts === 1 ? '' : 's'}{' '}
+              {numberOfFolders > 0 &&
+                `/ ${numberOfFolders} folder${
+                  numberOfFolders === 1 ? '' : 's'
+                }`}
+            </span>
+            <span className="text-chalkboard-60 text-xs">
+              Edited {getDisplayedTime(project.entrypointMetadata.modifiedAt)}
             </span>
             <div className="absolute bottom-2 right-2 flex gap-1 items-center opacity-0 group-hover:opacity-100 group-focus-within:opacity-100">
               <ActionButton

src/components/ProjectSidebarMenu.test.tsx

@@ -2,6 +2,8 @@ import { fireEvent, render, screen } from '@testing-library/react'
 import { BrowserRouter } from 'react-router-dom'
 import ProjectSidebarMenu from './ProjectSidebarMenu'
 import { ProjectWithEntryPointMetadata } from '../Router'
+import { GlobalStateProvider } from './GlobalStateProvider'
+import CommandBarProvider from './CommandBar'
 
 const now = new Date()
 const projectWellFormed = {
@@ -13,7 +15,7 @@ const projectWellFormed = {
       path: '/some/path/Simple Box/main.kcl',
     },
   ],
-  entrypoint_metadata: {
+  entrypointMetadata: {
     accessedAt: now,
     blksize: 32,
     blocks: 32,
@@ -38,7 +40,11 @@ describe('ProjectSidebarMenu tests', () => {
   test('Renders the project name', () => {
     render(
       <BrowserRouter>
+        <CommandBarProvider>
+          <GlobalStateProvider>
             <ProjectSidebarMenu project={projectWellFormed} />
+          </GlobalStateProvider>
+        </CommandBarProvider>
       </BrowserRouter>
     )
 
@@ -55,7 +61,11 @@ describe('ProjectSidebarMenu tests', () => {
   test('Renders app name if given no project', () => {
     render(
       <BrowserRouter>
+        <CommandBarProvider>
+          <GlobalStateProvider>
             <ProjectSidebarMenu />
+          </GlobalStateProvider>
+        </CommandBarProvider>
       </BrowserRouter>
     )
 
@@ -69,7 +79,14 @@ describe('ProjectSidebarMenu tests', () => {
   test('Renders as a link if set to do so', () => {
     render(
       <BrowserRouter>
-        <ProjectSidebarMenu project={projectWellFormed} renderAsLink={true} />
+        <CommandBarProvider>
+          <GlobalStateProvider>
+            <ProjectSidebarMenu
+              project={projectWellFormed}
+              renderAsLink={true}
+            />
+          </GlobalStateProvider>
+        </CommandBarProvider>
       </BrowserRouter>
     )
 

src/components/ProjectSidebarMenu.tsx

@@ -1,18 +1,21 @@
 import { Popover, Transition } from '@headlessui/react'
 import { ActionButton } from './ActionButton'
 import { faHome } from '@fortawesome/free-solid-svg-icons'
-import { ProjectWithEntryPointMetadata, paths } from '../Router'
+import { IndexLoaderData, paths } from '../Router'
 import { isTauri } from '../lib/isTauri'
 import { Link } from 'react-router-dom'
 import { ExportButton } from './ExportButton'
 import { Fragment } from 'react'
+import { FileTree } from './FileTree'
 
 const ProjectSidebarMenu = ({
   project,
+  file,
   renderAsLink = false,
 }: {
   renderAsLink?: boolean
-  project?: Partial<ProjectWithEntryPointMetadata>
+  project?: IndexLoaderData['project']
+  file?: IndexLoaderData['file']
 }) => {
   return renderAsLink ? (
     <Link
@@ -43,9 +46,18 @@ const ProjectSidebarMenu = ({
           alt="KittyCAD App"
           className="h-full w-auto"
         />
+        <div className="flex flex-col items-start py-0.5">
           <span className="text-sm text-chalkboard-110 dark:text-chalkboard-20 whitespace-nowrap hidden lg:block">
-          {isTauri() && project?.name ? project.name : 'KittyCAD Modeling App'}
+            {isTauri() && file?.name
+              ? file.name.slice(file.name.lastIndexOf('/') + 1)
+              : 'KittyCAD Modeling App'}
           </span>
+          {isTauri() && project?.name && (
+            <span className="text-xs text-chalkboard-70 dark:text-chalkboard-40 whitespace-nowrap hidden lg:block">
+              {project.name}
+            </span>
+          )}
+        </div>
       </Popover.Button>
       <Transition
         enter="duration-200 ease-out"
@@ -68,8 +80,13 @@ const ProjectSidebarMenu = ({
         leaveTo="opacity-0 -translate-x-4"
         as={Fragment}
       >
-        <Popover.Panel className="fixed inset-0 right-auto z-30 w-64 bg-chalkboard-10 dark:bg-chalkboard-100 border border-energy-100 dark:border-energy-100/50 shadow-md rounded-r-lg overflow-hidden">
-          <div className="flex items-center gap-4 px-4 py-3 bg-energy-100">
+        <Popover.Panel
+          className="fixed inset-0 right-auto z-30 w-64 h-screen max-h-screen grid grid-cols-1 bg-chalkboard-10 dark:bg-chalkboard-100 border border-energy-100 dark:border-energy-100/50 shadow-md rounded-r-lg"
+          style={{ gridTemplateRows: 'auto 1fr auto' }}
+        >
+          {({ close }) => (
+            <>
+              <div className="flex items-center gap-4 px-4 py-3 bg-energy-10/25 dark:bg-energy-110">
                 <img
                   src="/kitt-8bit-winking.svg"
                   alt="KittyCAD App"
@@ -78,27 +95,38 @@ const ProjectSidebarMenu = ({
 
                 <div>
                   <p
-                className="m-0 text-energy-10 text-mono"
+                    className="m-0 text-chalkboard-100 dark:text-energy-10 text-mono"
                     data-testid="projectName"
                   >
                     {project?.name ? project.name : 'KittyCAD Modeling App'}
                   </p>
-              {project?.entrypoint_metadata && (
+                  {project?.entrypointMetadata && (
                     <p
-                  className="m-0 text-energy-40 text-xs"
+                      className="m-0 text-chalkboard-100 dark:text-energy-40 text-xs"
                       data-testid="createdAt"
                     >
                       Created{' '}
-                  {project?.entrypoint_metadata.createdAt.toLocaleDateString()}
+                      {project.entrypointMetadata.createdAt.toLocaleDateString()}
                     </p>
                   )}
                 </div>
               </div>
-          <div className="p-4 flex flex-col gap-2">
+              {isTauri() ? (
+                <FileTree
+                  file={file}
+                  className="overflow-hidden border-0 border-y border-energy-40 dark:border-energy-70"
+                  closePanel={close}
+                />
+              ) : (
+                <div className="flex-1 overflow-hidden" />
+              )}
+              <div className="p-4 flex flex-col gap-2 bg-energy-10/25 dark:bg-energy-110">
                 <ExportButton
                   className={{
                     button:
-                  'border-transparent dark:border-transparent dark:hover:border-energy-60',
+                      'border-transparent dark:border-transparent hover:border-energy-60',
+                    icon: 'text-energy-10 dark:text-energy-120',
+                    bg: 'bg-energy-120 dark:bg-energy-10',
                   }}
                 >
                   Export Model
@@ -109,13 +137,17 @@ const ProjectSidebarMenu = ({
                     to={paths.HOME}
                     icon={{
                       icon: faHome,
+                      iconClassName: 'text-energy-10 dark:text-energy-120',
+                      bgClassName: 'bg-energy-120 dark:bg-energy-10',
                     }}
-                className="border-transparent dark:border-transparent dark:hover:border-energy-60"
+                    className="border-transparent dark:border-transparent hover:border-energy-60"
                   >
                     Go to Home
                   </ActionButton>
                 )}
               </div>
+            </>
+          )}
         </Popover.Panel>
       </Transition>
     </Popover>

src/components/SetAngleLengthModal.tsx

@@ -1,6 +1,7 @@
 import { Dialog, Transition } from '@headlessui/react'
 import { Fragment, useState } from 'react'
-import { Value } from '../lang/abstractSyntaxTreeTypes'
+import { type InstanceProps, create } from 'react-modal-promise'
+import { Value } from '../lang/wasm'
 import {
   AvailableVars,
   addToInputHelper,
@@ -9,6 +10,28 @@ import {
   CreateNewVariable,
 } from './AvailableVarsHelpers'
 
+type ModalResolve = {
+  value: string
+  sign: number
+  valueNode: Value
+  variableName?: string
+  newVariableInsertIndex: number
+}
+
+type ModalReject = boolean
+
+type SetAngleLengthModalProps = InstanceProps<ModalResolve, ModalReject> & {
+  value: number
+  valueName: string
+  shouldCreateVariable?: boolean
+}
+
+export const createSetAngleLengthModal = create<
+  SetAngleLengthModalProps,
+  ModalResolve,
+  ModalReject
+>
+
 export const SetAngleLengthModal = ({
   isOpen,
   onResolve,
@@ -16,20 +39,7 @@ export const SetAngleLengthModal = ({
   value: initialValue,
   valueName,
   shouldCreateVariable: initialShouldCreateVariable = false,
-}: {
-  isOpen: boolean
-  onResolve: (a: {
-    value: string
-    sign: number
-    valueNode: Value
-    variableName?: string
-    newVariableInsertIndex: number
-  }) => void
-  onReject: (a: any) => void
-  value: number
-  valueName: string
-  shouldCreateVariable: boolean
-}) => {
+}: SetAngleLengthModalProps) => {
   const [sign, setSign] = useState(Math.sign(Number(initialValue)))
   const [value, setValue] = useState(String(initialValue * sign))
   const [shouldCreateVariable, setShouldCreateVariable] = useState(

src/components/SetHorVertDistanceModal.tsx

@@ -1,6 +1,7 @@
 import { Dialog, Transition } from '@headlessui/react'
 import { Fragment, useState } from 'react'
-import { Value } from '../lang/abstractSyntaxTreeTypes'
+import { type InstanceProps, create } from 'react-modal-promise'
+import { Value } from '../lang/wasm'
 import {
   AvailableVars,
   addToInputHelper,
@@ -9,6 +10,30 @@ import {
   CreateNewVariable,
 } from './AvailableVarsHelpers'
 
+type ModalResolve = {
+  value: string
+  segName: string
+  valueNode: Value
+  variableName?: string
+  newVariableInsertIndex: number
+  sign: number
+}
+
+type ModalReject = boolean
+
+type GetInfoModalProps = InstanceProps<ModalResolve, ModalReject> & {
+  segName: string
+  isSegNameEditable: boolean
+  value?: number
+  initialVariableName: string
+}
+
+export const createInfoModal = create<
+  GetInfoModalProps,
+  ModalResolve,
+  ModalReject
+>
+
 export const GetInfoModal = ({
   isOpen,
   onResolve,
@@ -17,25 +42,12 @@ export const GetInfoModal = ({
   isSegNameEditable,
   value: initialValue,
   initialVariableName,
-}: {
-  isOpen: boolean
-  onResolve: (a: {
-    value: string
-    segName: string
-    valueNode: Value
-    variableName?: string
-    newVariableInsertIndex: number
-    sign: number
-  }) => void
-  onReject: (a: any) => void
-  segName: string
-  isSegNameEditable: boolean
-  value: number
-  initialVariableName: string
-}) => {
+}: GetInfoModalProps) => {
   const [sign, setSign] = useState(Math.sign(Number(initialValue)))
   const [segName, setSegName] = useState(initialSegName)
-  const [value, setValue] = useState(String(Math.abs(initialValue)))
+  const [value, setValue] = useState(
+    initialValue === undefined ? '' : String(Math.abs(initialValue))
+  )
   const [shouldCreateVariable, setShouldCreateVariable] = useState(false)
 
   const {

src/components/SetVarNameModal.tsx

@@ -4,19 +4,26 @@ import { useCalc, CreateNewVariable } from './AvailableVarsHelpers'
 import { ActionButton } from './ActionButton'
 import { faPlus } from '@fortawesome/free-solid-svg-icons'
 import { toast } from 'react-hot-toast'
+import { type InstanceProps, create } from 'react-modal-promise'
+
+type ModalResolve = { variableName: string }
+type ModalReject = boolean
+type SetVarNameModalProps = InstanceProps<ModalResolve, ModalReject> & {
+  valueName: string
+}
+
+export const createSetVarNameModal = create<
+  SetVarNameModalProps,
+  ModalResolve,
+  ModalReject
+>
 
 export const SetVarNameModal = ({
   isOpen,
   onResolve,
   onReject,
   valueName,
-}: {
-  isOpen: boolean
-  onResolve: (a: { variableName?: string }) => void
-  onReject: (a: any) => void
-  value: number
-  valueName: string
-}) => {
+}: SetVarNameModalProps) => {
   const { isNewVariableNameUnique, newVariableName, setNewVariableName } =
     useCalc({ value: '', initialVariableName: valueName })
 

src/components/Stream.tsx

@@ -7,24 +7,18 @@ import {
 } from 'react'
 import { v4 as uuidv4 } from 'uuid'
 import { useStore } from '../useStore'
-import { getNormalisedCoordinates, roundOff } from '../lib/utils'
+import { getNormalisedCoordinates } from '../lib/utils'
 import Loading from './Loading'
 import { cameraMouseDragGuards } from 'lib/cameraControls'
 import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
 import { CameraDragInteractionType_type } from '@kittycad/lib/dist/types/src/models'
 import { Models } from '@kittycad/lib'
-import { addStartSketch } from 'lang/modifyAst'
-import {
-  addCloseToPipe,
-  addNewSketchLn,
-  compareVec2Epsilon,
-} from 'lang/std/sketch'
 import { getNodeFromPath } from 'lang/queryAst'
-import { Program, VariableDeclarator } from 'lang/abstractSyntaxTreeTypes'
-import { modify_ast_for_sketch } from '../wasm-lib/pkg/wasm_lib'
-import { KCLError } from 'lang/errors'
-import { KclError as RustKclError } from '../wasm-lib/kcl/bindings/KclError'
-import { rangeTypeFix } from 'lang/abstractSyntaxTree'
+import { VariableDeclarator, recast, parse, CallExpression } from 'lang/wasm'
+import { engineCommandManager } from '../lang/std/engineConnection'
+import { useModelingContext } from 'hooks/useModelingContext'
+import { kclManager, useKclContext } from 'lang/KclSinglton'
+import { changeSketchArguments } from 'lang/std/sketch'
 
 export const Stream = ({ className = '' }) => {
   const [isLoading, setIsLoading] = useState(true)
@@ -32,37 +26,21 @@ export const Stream = ({ className = '' }) => {
   const videoRef = useRef<HTMLVideoElement>(null)
   const {
     mediaStream,
-    engineCommandManager,
     setButtonDownInStream,
     didDragInStream,
     setDidDragInStream,
     streamDimensions,
-    isExecuting,
-    guiMode,
-    ast,
-    updateAst,
-    setGuiMode,
-    programMemory,
   } = useStore((s) => ({
     mediaStream: s.mediaStream,
-    engineCommandManager: s.engineCommandManager,
     setButtonDownInStream: s.setButtonDownInStream,
-    fileId: s.fileId,
     didDragInStream: s.didDragInStream,
     setDidDragInStream: s.setDidDragInStream,
     streamDimensions: s.streamDimensions,
-    isExecuting: s.isExecuting,
-    guiMode: s.guiMode,
-    ast: s.ast,
-    updateAst: s.updateAst,
-    setGuiMode: s.setGuiMode,
-    programMemory: s.programMemory,
   }))
-  const {
-    settings: {
-      context: { cameraControls },
-    },
-  } = useGlobalStateContext()
+  const { settings } = useGlobalStateContext()
+  const cameraControls = settings?.context?.cameraControls
+  const { send, state, context } = useModelingContext()
+  const { isExecuting } = useKclContext()
 
   useEffect(() => {
     if (
@@ -73,7 +51,7 @@ export const Stream = ({ className = '' }) => {
     if (!videoRef.current) return
     if (!mediaStream) return
     videoRef.current.srcObject = mediaStream
-  }, [mediaStream, engineCommandManager])
+  }, [mediaStream])
 
   const handleMouseDown: MouseEventHandler<HTMLVideoElement> = (e) => {
     if (!videoRef.current) return
@@ -106,8 +84,14 @@ export const Stream = ({ className = '' }) => {
       interaction = 'zoom'
     }
 
-    if (guiMode.mode === 'sketch' && guiMode.sketchMode === ('move' as any)) {
-      engineCommandManager?.sendSceneCommand({
+    if (state.matches('Sketch.Move Tool')) {
+      if (
+        state.matches('Sketch.Move Tool.No move') ||
+        state.matches('Sketch.Move Tool.Move with execute')
+      ) {
+        return
+      }
+      engineCommandManager.sendSceneCommand({
         type: 'modeling_cmd_req',
         cmd: {
           type: 'handle_mouse_drag_start',
@@ -115,13 +99,8 @@ export const Stream = ({ className = '' }) => {
         },
         cmd_id: newId,
       })
-    } else if (
-      !(
-        guiMode.mode === 'sketch' &&
-        guiMode.sketchMode === ('sketch_line' as any)
-      )
-    ) {
-      engineCommandManager?.sendSceneCommand({
+    } else if (!state.matches('Sketch.Line Tool')) {
+      engineCommandManager.sendSceneCommand({
         type: 'modeling_cmd_req',
         cmd: {
           type: 'camera_drag_start',
@@ -139,7 +118,7 @@ export const Stream = ({ className = '' }) => {
   const handleScroll: WheelEventHandler<HTMLVideoElement> = (e) => {
     if (!cameraMouseDragGuards[cameraControls].zoom.scrollCallback(e)) return
 
-    engineCommandManager?.sendSceneCommand({
+    engineCommandManager.sendSceneCommand({
       type: 'modeling_cmd_req',
       cmd: {
         type: 'default_camera_zoom',
@@ -176,215 +155,208 @@ export const Stream = ({ className = '' }) => {
       cmd_id: newCmdId,
     }
 
-    if (!didDragInStream) {
-      engineCommandManager?.sendSceneCommand({
-        type: 'modeling_cmd_req',
-        cmd: {
-          type: 'select_with_point',
-          selection_type: 'add',
-          selected_at_window: { x, y },
-        },
-        cmd_id: uuidv4(),
-      })
-    }
-
-    if (!didDragInStream && guiMode.mode === 'default') {
+    if (!didDragInStream && state.matches('Sketch no face')) {
       command.cmd = {
         type: 'select_with_point',
         selection_type: 'add',
         selected_at_window: { x, y },
       }
-    } else if (
-      (!didDragInStream &&
-        guiMode.mode === 'sketch' &&
-        ['move', 'select'].includes(guiMode.sketchMode)) ||
-      (guiMode.mode === 'sketch' &&
-        guiMode.sketchMode === ('sketch_line' as any))
-    ) {
+      engineCommandManager.sendSceneCommand(command)
+    } else if (!didDragInStream && state.matches('Sketch.Line Tool')) {
       command.cmd = {
         type: 'mouse_click',
         window: { x, y },
       }
+      engineCommandManager.sendSceneCommand(command).then(async (resp) => {
+        const entities_modified = resp?.data?.data?.entities_modified
+        if (!entities_modified) return
+        if (state.matches('Sketch.Line Tool.No Points')) {
+          send('Add point')
+        } else if (state.matches('Sketch.Line Tool.Point Added')) {
+          const curve = await engineCommandManager.sendSceneCommand({
+            type: 'modeling_cmd_req',
+            cmd_id: uuidv4(),
+            cmd: {
+              type: 'curve_get_control_points',
+              curve_id: entities_modified[0],
+            },
+          })
+          const coords: { x: number; y: number }[] =
+            curve.data.data.control_points
+          // We need the normal for the plane we are on.
+          const plane = await engineCommandManager.sendSceneCommand({
+            type: 'modeling_cmd_req',
+            cmd_id: uuidv4(),
+            cmd: {
+              type: 'get_sketch_mode_plane',
+            },
+          })
+          const z_axis = plane.data.data.z_axis
+
+          // Get the current axis.
+          let currentAxis: 'xy' | 'xz' | 'yz' | '-xy' | '-xz' | '-yz' | null =
+            null
+          if (context.sketchPlaneId === kclManager.getPlaneId('xy')) {
+            if (z_axis.z === -1) {
+              currentAxis = '-xy'
+            } else {
+              currentAxis = 'xy'
+            }
+          } else if (context.sketchPlaneId === kclManager.getPlaneId('yz')) {
+            if (z_axis.x === -1) {
+              currentAxis = '-yz'
+            } else {
+              currentAxis = 'yz'
+            }
+          } else if (context.sketchPlaneId === kclManager.getPlaneId('xz')) {
+            if (z_axis.y === -1) {
+              currentAxis = '-xz'
+            } else {
+              currentAxis = 'xz'
+            }
+          }
+
+          send({
+            type: 'Add point',
+            data: {
+              coords,
+              axis: currentAxis,
+              segmentId: entities_modified[0],
+            },
+          })
+        } else if (state.matches('Sketch.Line Tool.Segment Added')) {
+          const curve = await engineCommandManager.sendSceneCommand({
+            type: 'modeling_cmd_req',
+            cmd_id: uuidv4(),
+            cmd: {
+              type: 'curve_get_control_points',
+              curve_id: entities_modified[0],
+            },
+          })
+          const coords: { x: number; y: number }[] =
+            curve.data.data.control_points
+          send({
+            type: 'Add point',
+            data: { coords, axis: null, segmentId: entities_modified[0] },
+          })
+        }
+      })
     } else if (
-      guiMode.mode === 'sketch' &&
-      guiMode.sketchMode === ('move' as any)
+      !didDragInStream &&
+      (state.matches('Sketch.SketchIdle') ||
+        state.matches('idle') ||
+        state.matches('awaiting selection'))
     ) {
+      command.cmd = {
+        type: 'select_with_point',
+        selected_at_window: { x, y },
+        selection_type: 'add',
+      }
+      engineCommandManager.sendSceneCommand(command)
+    } else if (!didDragInStream && state.matches('Sketch.Move Tool')) {
+      command.cmd = {
+        type: 'select_with_point',
+        selected_at_window: { x, y },
+        selection_type: 'add',
+      }
+      engineCommandManager.sendSceneCommand(command)
+    } else if (didDragInStream && state.matches('Sketch.Move Tool')) {
       command.cmd = {
         type: 'handle_mouse_drag_end',
         window: { x, y },
       }
-    }
-    engineCommandManager?.sendSceneCommand(command).then(async (resp) => {
-      if (!(guiMode.mode === 'sketch')) return
-
-      if (guiMode.sketchMode === 'selectFace') return
-
-      // Check if the sketch group already exists.
+      engineCommandManager.sendSceneCommand(command).then(async () => {
+        if (!context.sketchPathToNode) return
         const varDec = getNodeFromPath<VariableDeclarator>(
-        ast,
-        guiMode.pathToNode,
+          kclManager.ast,
+          context.sketchPathToNode,
           'VariableDeclarator'
         ).node
-      const variableName = varDec?.id?.name
-      const sketchGroup = programMemory.root[variableName]
-      const isEditingExistingSketch =
-        sketchGroup?.type === 'SketchGroup' && sketchGroup.value.length
-      let sketchGroupId = ''
-      if (sketchGroup && sketchGroup.type === 'SketchGroup') {
-        sketchGroupId = sketchGroup.id
+        // Get the current plane string for plane we are on.
+        let currentPlaneString = ''
+        if (context.sketchPlaneId === kclManager.getPlaneId('xy')) {
+          currentPlaneString = 'XY'
+        } else if (context.sketchPlaneId === kclManager.getPlaneId('yz')) {
+          currentPlaneString = 'YZ'
+        } else if (context.sketchPlaneId === kclManager.getPlaneId('xz')) {
+          currentPlaneString = 'XZ'
         }
 
-      if (
-        guiMode.sketchMode === ('move' as any as 'line') &&
-        command.cmd.type === 'handle_mouse_drag_end'
-      ) {
-        // Let's get the updated ast.
-        if (sketchGroupId === '') return
+        // Do not supporting editing/moving lines on a non-default plane.
+        // Eventually we can support this but for now we will just throw an
+        // error.
+        if (currentPlaneString === '') return
 
-        console.log('guiMode.pathId', guiMode.pathId)
-
-        // We have a problem if we do not have an id for the sketch group.
-        if (
-          guiMode.pathId === undefined ||
-          guiMode.pathId === null ||
-          guiMode.pathId === ''
+        const pathInfo = await engineCommandManager.sendSceneCommand({
+          type: 'modeling_cmd_req',
+          cmd_id: uuidv4(),
+          cmd: {
+            type: 'path_get_info',
+            path_id: context.sketchEnginePathId,
+          },
+        })
+        const segmentsWithMappings = (
+          pathInfo?.data?.data?.segments as { command_id: string }[]
         )
-          return
-
-        let engineId = guiMode.pathId
-
-        try {
-          const updatedAst: Program = await modify_ast_for_sketch(
-            engineCommandManager,
-            JSON.stringify(ast),
-            variableName,
-            engineId
-          )
-
-          updateAst(updatedAst, false)
-        } catch (e: any) {
-          const parsed: RustKclError = JSON.parse(e.toString())
-          const kclError = new KCLError(
-            parsed.kind,
-            parsed.msg,
-            rangeTypeFix(parsed.sourceRanges)
-          )
-
-          console.log(kclError)
-          throw kclError
-        }
-        return
-      }
-
-      if (command?.cmd?.type !== 'mouse_click' || !ast) return
-
-      if (!(guiMode.sketchMode === ('sketch_line' as any as 'line'))) return
-
-      if (
-        resp?.data?.data?.entities_modified?.length &&
-        guiMode.waitingFirstClick &&
-        !isEditingExistingSketch
-      ) {
-        const curve = await engineCommandManager?.sendSceneCommand({
+          .filter(({ command_id }) => {
+            return command_id && engineCommandManager.artifactMap[command_id]
+          })
+          .map(({ command_id }) => command_id)
+        const segment2dInfo = await Promise.all(
+          segmentsWithMappings.map(async (segmentId) => {
+            const response = await engineCommandManager.sendSceneCommand({
               type: 'modeling_cmd_req',
               cmd_id: uuidv4(),
               cmd: {
                 type: 'curve_get_control_points',
-            curve_id: resp?.data?.data?.entities_modified[0],
+                curve_id: segmentId,
               },
             })
-        const coords: { x: number; y: number }[] =
-          curve.data.data.control_points
-        const _addStartSketch = addStartSketch(
-          ast,
-          [roundOff(coords[0].x), roundOff(coords[0].y)],
-          [
-            roundOff(coords[1].x - coords[0].x),
-            roundOff(coords[1].y - coords[0].y),
+            const controlPoints: [
+              { x: number; y: number },
+              { x: number; y: number }
+            ] = response.data.data.control_points
+            return {
+              controlPoints,
+              segmentId,
+            }
+          })
+        )
+
+        let modifiedAst = { ...kclManager.ast }
+        let code = kclManager.code
+        for (const controlPoint of segment2dInfo) {
+          const range =
+            engineCommandManager.artifactMap[controlPoint.segmentId].range
+          if (!range) continue
+          const from = controlPoint.controlPoints[0]
+          const to = controlPoint.controlPoints[1]
+          const modded = changeSketchArguments(
+            modifiedAst,
+            kclManager.programMemory,
+            range,
+            [to.x, to.y],
+            [from.x, from.y]
+          )
+          modifiedAst = modded.modifiedAst
+
+          // update artifact map ranges now that we have updated the ast.
+          code = recast(modded.modifiedAst)
+          const astWithCurrentRanges = parse(code)
+          const updateNode = getNodeFromPath<CallExpression>(
+            astWithCurrentRanges,
+            modded.pathToNode
+          ).node
+          engineCommandManager.artifactMap[controlPoint.segmentId].range = [
+            updateNode.start,
+            updateNode.end,
           ]
-        )
-        const _modifiedAst = _addStartSketch.modifiedAst
-        const _pathToNode = _addStartSketch.pathToNode
-
-        // We need to update the guiMode with the right pathId so that we can
-        // move lines later and send the right sketch id to the engine.
-        for (const [id, artifact] of Object.entries(
-          engineCommandManager.artifactMap
-        )) {
-          if (artifact.commandType === 'start_path') {
-            guiMode.pathId = id
-          }
         }
 
-        setGuiMode({
-          ...guiMode,
-          pathToNode: _pathToNode,
-          waitingFirstClick: false,
+        kclManager.executeAstMock(modifiedAst, true)
       })
-        updateAst(_modifiedAst, false)
-      } else if (
-        resp?.data?.data?.entities_modified?.length &&
-        (!guiMode.waitingFirstClick || isEditingExistingSketch)
-      ) {
-        const curve = await engineCommandManager?.sendSceneCommand({
-          type: 'modeling_cmd_req',
-          cmd_id: uuidv4(),
-          cmd: {
-            type: 'curve_get_control_points',
-            curve_id: resp?.data?.data?.entities_modified[0],
-          },
-        })
-        const coords: { x: number; y: number }[] =
-          curve.data.data.control_points
-
-        const { node: varDec } = getNodeFromPath<VariableDeclarator>(
-          ast,
-          guiMode.pathToNode,
-          'VariableDeclarator'
-        )
-        const variableName = varDec.id.name
-        const sketchGroup = programMemory.root[variableName]
-        if (!sketchGroup || sketchGroup.type !== 'SketchGroup') return
-        const initialCoords = sketchGroup.value[0].from
-
-        const isClose = compareVec2Epsilon(initialCoords, [
-          coords[1].x,
-          coords[1].y,
-        ])
-
-        let _modifiedAst: Program
-        if (!isClose) {
-          _modifiedAst = addNewSketchLn({
-            node: ast,
-            programMemory,
-            to: [coords[1].x, coords[1].y],
-            fnName: 'line',
-            pathToNode: guiMode.pathToNode,
-          }).modifiedAst
-          updateAst(_modifiedAst, false)
-        } else {
-          _modifiedAst = addCloseToPipe({
-            node: ast,
-            programMemory,
-            pathToNode: guiMode.pathToNode,
-          })
-          setGuiMode({
-            mode: 'default',
-          })
-          engineCommandManager?.sendSceneCommand({
-            type: 'modeling_cmd_req',
-            cmd_id: uuidv4(),
-            cmd: { type: 'edit_mode_exit' },
-          })
-          engineCommandManager?.sendSceneCommand({
-            type: 'modeling_cmd_req',
-            cmd_id: uuidv4(),
-            cmd: { type: 'default_camera_disable_sketch_mode' },
-          })
-          updateAst(_modifiedAst, true)
     }
-      }
-    })
+
     setDidDragInStream(false)
     setClickCoords(undefined)
   }
@@ -415,7 +387,8 @@ export const Stream = ({ className = '' }) => {
         onWheel={handleScroll}
         onPlay={() => setIsLoading(false)}
         onMouseMoveCapture={handleMouseMove}
-        className={`w-full h-full ${isExecuting && 'blur-md'}`}
+        className={`w-full cursor-pointer h-full ${isExecuting && 'blur-md'}`}
+        disablePictureInPicture
         style={{ transitionDuration: '200ms', transitionProperty: 'filter' }}
       />
       {isLoading && (

src/components/TextEditor.tsx

@@ -13,7 +13,8 @@ import { useConvertToVariable } from 'hooks/useToolbarGuards'
 import { Themes } from 'lib/theme'
 import { useMemo } from 'react'
 import { linter, lintGutter } from '@codemirror/lint'
-import { Selections, useStore } from 'useStore'
+import { useStore } from 'useStore'
+import { processCodeMirrorRanges } from 'lib/selections'
 import { LanguageServerClient } from 'editor/lsp'
 import kclLanguage from 'editor/lsp/language'
 import { isTauri } from 'lib/isTauri'
@@ -29,7 +30,10 @@ import {
 import { isOverlap, roundOff } from 'lib/utils'
 import { kclErrToDiagnostic } from 'lang/errors'
 import { CSSRuleObject } from 'tailwindcss/types/config'
+import { useModelingContext } from 'hooks/useModelingContext'
 import interact from '@replit/codemirror-interact'
+import { engineCommandManager } from '../lang/std/engineConnection'
+import { kclManager, useKclContext } from 'lang/KclSinglton'
 
 export const editorShortcutMeta = {
   formatCode: {
@@ -48,37 +52,22 @@ export const TextEditor = ({
   theme: Themes.Light | Themes.Dark
 }) => {
   const pathParams = useParams()
-  const {
-    code,
-    deferredSetCode,
-    editorView,
-    engineCommandManager,
-    formatCode,
-    isLSPServerReady,
-    selectionRanges,
-    selectionRangeTypeMap,
-    setEditorView,
-    setIsLSPServerReady,
-    setSelectionRanges,
-  } = useStore((s) => ({
-    code: s.code,
-    deferredSetCode: s.deferredSetCode,
+  const { editorView, isLSPServerReady, setEditorView, setIsLSPServerReady } =
+    useStore((s) => ({
       editorView: s.editorView,
-    engineCommandManager: s.engineCommandManager,
-    formatCode: s.formatCode,
       isLSPServerReady: s.isLSPServerReady,
-    selectionRanges: s.selectionRanges,
-    selectionRangeTypeMap: s.selectionRangeTypeMap,
       setEditorView: s.setEditorView,
       setIsLSPServerReady: s.setIsLSPServerReady,
-    setSelectionRanges: s.setSelectionRanges,
     }))
+  const { code, errors } = useKclContext()
 
   const {
-    settings: {
-      context: { textWrapping },
-    },
-  } = useGlobalStateContext()
+    context: { selectionRanges, selectionRangeTypeMap },
+    send,
+  } = useModelingContext()
+
+  const { settings: { context: { textWrapping } = {} } = {} } =
+    useGlobalStateContext()
   const { setCommandBarOpen } = useCommandsContext()
   const { enable: convertEnabled, handleClick: convertCallback } =
     useConvertToVariable()
@@ -123,18 +112,16 @@ export const TextEditor = ({
   }, [lspClient, isLSPServerReady])
 
   // const onChange = React.useCallback((value: string, viewUpdate: ViewUpdate) => {
-  const onChange = (value: string, viewUpdate: ViewUpdate) => {
-    deferredSetCode(value)
+  const onChange = (newCode: string, viewUpdate: ViewUpdate) => {
+    kclManager.setCodeAndExecute(newCode)
     if (isTauri() && pathParams.id) {
       // Save the file to disk
       // Note that PROJECT_ENTRYPOINT is hardcoded until we support multiple files
-      writeTextFile(pathParams.id + '/' + PROJECT_ENTRYPOINT, value).catch(
-        (err) => {
+      writeTextFile(pathParams.id, newCode).catch((err) => {
         // TODO: add Sentry per GH issue #254 (https://github.com/KittyCAD/modeling-app/issues/254)
         console.error('error saving file', err)
         toast.error('Error saving file, please check file permissions')
-        }
-      )
+      })
     }
     if (editorView) {
       editorView?.dispatch({ effects: addLineHighlight.of([0, 0]) })
@@ -144,57 +131,17 @@ export const TextEditor = ({
     if (!editorView) {
       setEditorView(viewUpdate.view)
     }
-    const ranges = viewUpdate.state.selection.ranges
+    const eventInfo = processCodeMirrorRanges({
+      codeMirrorRanges: viewUpdate.state.selection.ranges,
+      selectionRanges,
+      selectionRangeTypeMap,
+    })
+    if (!eventInfo) return
 
-    const isChange =
-      ranges.length !== selectionRanges.codeBasedSelections.length ||
-      ranges.some(({ from, to }, i) => {
-        return (
-          from !== selectionRanges.codeBasedSelections[i].range[0] ||
-          to !== selectionRanges.codeBasedSelections[i].range[1]
+    send(eventInfo.modelingEvent)
+    eventInfo.engineEvents.forEach((event) =>
+      engineCommandManager.sendSceneCommand(event)
     )
-      })
-
-    if (!isChange) return
-    const codeBasedSelections: Selections['codeBasedSelections'] = ranges.map(
-      ({ from, to }) => {
-        if (selectionRangeTypeMap[to]) {
-          return {
-            type: selectionRangeTypeMap[to],
-            range: [from, to],
-          }
-        }
-        return {
-          type: 'default',
-          range: [from, to],
-        }
-      }
-    )
-    const idBasedSelections = codeBasedSelections
-      .map(({ type, range }) => {
-        const hasOverlap = Object.entries(
-          engineCommandManager?.sourceRangeMap || {}
-        ).filter(([_, sourceRange]) => {
-          return isOverlap(sourceRange, range)
-        })
-        if (hasOverlap.length) {
-          return {
-            type,
-            id: hasOverlap[0][0],
-          }
-        }
-      })
-      .filter(Boolean) as any
-
-    engineCommandManager?.cusorsSelected({
-      otherSelections: [],
-      idBasedSelections,
-    })
-
-    setSelectionRanges({
-      otherSelections: [],
-      codeBasedSelections,
-    })
   }
 
   const editorExtensions = useMemo(() => {
@@ -211,7 +158,7 @@ export const TextEditor = ({
         {
           key: editorShortcutMeta.formatCode.codeMirror,
           run: () => {
-            formatCode()
+            kclManager.format()
             return true
           },
         },
@@ -235,7 +182,7 @@ export const TextEditor = ({
       extensions.push(
         lintGutter(),
         linter((_view) => {
-          return kclErrToDiagnostic(useStore.getState().kclErrors)
+          return kclErrToDiagnostic(errors)
         }),
         interact({
           rules: [
@@ -274,7 +221,7 @@ export const TextEditor = ({
     }
 
     return extensions
-  }, [kclLSP, textWrapping])
+  }, [kclLSP, textWrapping, convertCallback])
 
   return (
     <div

src/components/Toolbar/EqualAngle.tsx

@@ -1,44 +1,33 @@
-import { useState, useEffect } from 'react'
-import { toolTips, useStore } from '../../useStore'
-import { Value, VariableDeclarator } from '../../lang/abstractSyntaxTreeTypes'
+import { toolTips } from '../../useStore'
+import { Selections } from 'lib/selections'
+import { Program, Value, VariableDeclarator } from '../../lang/wasm'
 import {
   getNodePathFromSourceRange,
   getNodeFromPath,
 } from '../../lang/queryAst'
 import { isSketchVariablesLinked } from '../../lang/std/sketchConstraints'
 import {
-  TransformInfo,
   transformSecondarySketchLinesTagFirst,
   getTransformInfos,
+  PathToNodeMap,
 } from '../../lang/std/sketchcombos'
-import { updateCursors } from '../../lang/util'
-import { ActionIcon } from 'components/ActionIcon'
-import { sketchButtonClassnames } from 'Toolbar'
+import { kclManager } from 'lang/KclSinglton'
 
-export const EqualAngle = () => {
-  const { guiMode, selectionRanges, ast, programMemory, updateAst, setCursor } =
-    useStore((s) => ({
-      guiMode: s.guiMode,
-      ast: s.ast,
-      updateAst: s.updateAst,
-      selectionRanges: s.selectionRanges,
-      programMemory: s.programMemory,
-      setCursor: s.setCursor,
-    }))
-  const [enableEqual, setEnableEqual] = useState(false)
-  const [transformInfos, setTransformInfos] = useState<TransformInfo[]>()
-  useEffect(() => {
-    if (!ast) return
+export function equalAngleInfo({
+  selectionRanges,
+}: {
+  selectionRanges: Selections
+}) {
   const paths = selectionRanges.codeBasedSelections.map(({ range }) =>
-      getNodePathFromSourceRange(ast, range)
+    getNodePathFromSourceRange(kclManager.ast, range)
   )
   const nodes = paths.map(
-      (pathToNode) => getNodeFromPath<Value>(ast, pathToNode).node
+    (pathToNode) => getNodeFromPath<Value>(kclManager.ast, pathToNode).node
   )
   const varDecs = paths.map(
     (pathToNode) =>
       getNodeFromPath<VariableDeclarator>(
-          ast,
+        kclManager.ast,
         pathToNode,
         'VariableDeclarator'
       )?.node
@@ -46,7 +35,7 @@ export const EqualAngle = () => {
   const primaryLine = varDecs[0]
   const secondaryVarDecs = varDecs.slice(1)
   const isOthersLinkedToPrimary = secondaryVarDecs.every((secondary) =>
-      isSketchVariablesLinked(secondary, primaryLine, ast)
+    isSketchVariablesLinked(secondary, primaryLine, kclManager.ast)
   )
   const isAllTooltips = nodes.every(
     (node) =>
@@ -54,52 +43,37 @@ export const EqualAngle = () => {
       toolTips.includes(node.callee.name as any)
   )
 
-    const theTransforms = getTransformInfos(
+  const transforms = getTransformInfos(
     {
       ...selectionRanges,
       codeBasedSelections: selectionRanges.codeBasedSelections.slice(1),
     },
-      ast,
+    kclManager.ast,
     'equalAngle'
   )
-    setTransformInfos(theTransforms)
 
-    const _enableEqual =
+  const enabled =
     !!secondaryVarDecs.length &&
     isAllTooltips &&
     isOthersLinkedToPrimary &&
-      theTransforms.every(Boolean)
-    setEnableEqual(_enableEqual)
-  }, [guiMode, selectionRanges])
-  if (guiMode.mode !== 'sketch') return null
-
-  return (
-    <button
-      onClick={async () => {
-        if (!(transformInfos && ast)) return
-        const { modifiedAst, pathToNodeMap } =
-          transformSecondarySketchLinesTagFirst({
-            ast,
-            selectionRanges,
-            transformInfos,
-            programMemory,
-          })
-        updateAst(modifiedAst, true, {
-          callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
-        })
-      }}
-      disabled={!enableEqual}
-      title="Parallel (or equal angle)"
-      className="group"
-    >
-      <ActionIcon
-        icon="parallel"
-        className="!p-0.5"
-        bgClassName={sketchButtonClassnames.background}
-        iconClassName={sketchButtonClassnames.icon}
-        size="md"
-      />
-      Parallel
-    </button>
-  )
+    transforms.every(Boolean)
+  return { enabled, transforms }
+}
+
+export function applyConstraintEqualAngle({
+  selectionRanges,
+}: {
+  selectionRanges: Selections
+}): {
+  modifiedAst: Program
+  pathToNodeMap: PathToNodeMap
+} {
+  const { transforms } = equalAngleInfo({ selectionRanges })
+  const { modifiedAst, pathToNodeMap } = transformSecondarySketchLinesTagFirst({
+    ast: kclManager.ast,
+    selectionRanges,
+    transformInfos: transforms,
+    programMemory: kclManager.programMemory,
+  })
+  return { modifiedAst, pathToNodeMap }
 }

src/components/Toolbar/EqualLength.tsx

@@ -1,44 +1,33 @@
-import { useState, useEffect } from 'react'
-import { toolTips, useStore } from '../../useStore'
-import { Value, VariableDeclarator } from '../../lang/abstractSyntaxTreeTypes'
+import { toolTips } from '../../useStore'
+import { Selections } from 'lib/selections'
+import { Program, Value, VariableDeclarator } from '../../lang/wasm'
 import {
   getNodePathFromSourceRange,
   getNodeFromPath,
 } from '../../lang/queryAst'
 import { isSketchVariablesLinked } from '../../lang/std/sketchConstraints'
 import {
-  TransformInfo,
   transformSecondarySketchLinesTagFirst,
   getTransformInfos,
+  PathToNodeMap,
 } from '../../lang/std/sketchcombos'
-import { updateCursors } from '../../lang/util'
-import { ActionIcon } from 'components/ActionIcon'
-import { sketchButtonClassnames } from 'Toolbar'
+import { kclManager } from 'lang/KclSinglton'
 
-export const EqualLength = () => {
-  const { guiMode, selectionRanges, ast, programMemory, updateAst, setCursor } =
-    useStore((s) => ({
-      guiMode: s.guiMode,
-      ast: s.ast,
-      updateAst: s.updateAst,
-      selectionRanges: s.selectionRanges,
-      programMemory: s.programMemory,
-      setCursor: s.setCursor,
-    }))
-  const [enableEqual, setEnableEqual] = useState(false)
-  const [transformInfos, setTransformInfos] = useState<TransformInfo[]>()
-  useEffect(() => {
-    if (!ast) return
+export function setEqualLengthInfo({
+  selectionRanges,
+}: {
+  selectionRanges: Selections
+}) {
   const paths = selectionRanges.codeBasedSelections.map(({ range }) =>
-      getNodePathFromSourceRange(ast, range)
+    getNodePathFromSourceRange(kclManager.ast, range)
   )
   const nodes = paths.map(
-      (pathToNode) => getNodeFromPath<Value>(ast, pathToNode).node
+    (pathToNode) => getNodeFromPath<Value>(kclManager.ast, pathToNode).node
   )
   const varDecs = paths.map(
     (pathToNode) =>
       getNodeFromPath<VariableDeclarator>(
-          ast,
+        kclManager.ast,
         pathToNode,
         'VariableDeclarator'
       )?.node
@@ -46,7 +35,7 @@ export const EqualLength = () => {
   const primaryLine = varDecs[0]
   const secondaryVarDecs = varDecs.slice(1)
   const isOthersLinkedToPrimary = secondaryVarDecs.every((secondary) =>
-      isSketchVariablesLinked(secondary, primaryLine, ast)
+    isSketchVariablesLinked(secondary, primaryLine, kclManager.ast)
   )
   const isAllTooltips = nodes.every(
     (node) =>
@@ -54,52 +43,41 @@ export const EqualLength = () => {
       toolTips.includes(node.callee.name as any)
   )
 
-    const theTransforms = getTransformInfos(
+  const transforms = getTransformInfos(
     {
       ...selectionRanges,
       codeBasedSelections: selectionRanges.codeBasedSelections.slice(1),
     },
-      ast,
+    kclManager.ast,
     'equalLength'
   )
-    setTransformInfos(theTransforms)
 
-    const _enableEqual =
+  const enabled =
     !!secondaryVarDecs.length &&
     isAllTooltips &&
     isOthersLinkedToPrimary &&
-      theTransforms.every(Boolean)
-    setEnableEqual(_enableEqual)
-  }, [guiMode, selectionRanges])
-  if (guiMode.mode !== 'sketch') return null
+    transforms.every(Boolean)
 
-  return (
-    <button
-      onClick={() => {
-        if (!(transformInfos && ast)) return
-        const { modifiedAst, pathToNodeMap } =
-          transformSecondarySketchLinesTagFirst({
-            ast,
-            selectionRanges,
-            transformInfos,
-            programMemory,
-          })
-        updateAst(modifiedAst, true, {
-          callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
-        })
-      }}
-      disabled={!enableEqual}
-      className="group"
-      title="Equal Length"
-    >
-      <ActionIcon
-        icon="equal"
-        className="!p-0.5"
-        bgClassName={sketchButtonClassnames.background}
-        iconClassName={sketchButtonClassnames.icon}
-        size="md"
-      />
-      Equal Length
-    </button>
-  )
+  return { enabled, transforms }
+}
+
+export function applyConstraintEqualLength({
+  selectionRanges,
+}: {
+  selectionRanges: Selections
+}): {
+  modifiedAst: Program
+  pathToNodeMap: PathToNodeMap
+} {
+  const { enabled, transforms } = setEqualLengthInfo({ selectionRanges })
+  const { modifiedAst, pathToNodeMap } = transformSecondarySketchLinesTagFirst({
+    ast: kclManager.ast,
+    selectionRanges,
+    transformInfos: transforms,
+    programMemory: kclManager.programMemory,
+  })
+  return { modifiedAst, pathToNodeMap }
+  // kclManager.updateAst(modifiedAst, true, {
+  //   // callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
+  // })
 }

src/components/Toolbar/HorzVert.tsx

@@ -1,42 +1,26 @@
-import { useState, useEffect } from 'react'
-import { toolTips, useStore } from '../../useStore'
-import { Value } from '../../lang/abstractSyntaxTreeTypes'
+import { toolTips } from '../../useStore'
+import { Selections } from 'lib/selections'
+import { Program, ProgramMemory, Value } from '../../lang/wasm'
 import {
   getNodePathFromSourceRange,
   getNodeFromPath,
 } from '../../lang/queryAst'
 import {
-  TransformInfo,
+  PathToNodeMap,
   getTransformInfos,
   transformAstSketchLines,
 } from '../../lang/std/sketchcombos'
-import { updateCursors } from '../../lang/util'
-import { ActionIcon } from 'components/ActionIcon'
-import { sketchButtonClassnames } from 'Toolbar'
+import { kclManager } from 'lang/KclSinglton'
 
-export const HorzVert = ({
-  horOrVert,
-}: {
+export function horzVertInfo(
+  selectionRanges: Selections,
   horOrVert: 'vertical' | 'horizontal'
-}) => {
-  const { guiMode, selectionRanges, ast, programMemory, updateAst, setCursor } =
-    useStore((s) => ({
-      guiMode: s.guiMode,
-      ast: s.ast,
-      updateAst: s.updateAst,
-      selectionRanges: s.selectionRanges,
-      programMemory: s.programMemory,
-      setCursor: s.setCursor,
-    }))
-  const [enableHorz, setEnableHorz] = useState(false)
-  const [transformInfos, setTransformInfos] = useState<TransformInfo[]>()
-  useEffect(() => {
-    if (!ast) return
+) {
   const paths = selectionRanges.codeBasedSelections.map(({ range }) =>
-      getNodePathFromSourceRange(ast, range)
+    getNodePathFromSourceRange(kclManager.ast, range)
   )
   const nodes = paths.map(
-      (pathToNode) => getNodeFromPath<Value>(ast, pathToNode).node
+    (pathToNode) => getNodeFromPath<Value>(kclManager.ast, pathToNode).node
   )
   const isAllTooltips = nodes.every(
     (node) =>
@@ -44,41 +28,30 @@ export const HorzVert = ({
       toolTips.includes(node.callee.name as any)
   )
 
-    const theTransforms = getTransformInfos(selectionRanges, ast, horOrVert)
-    setTransformInfos(theTransforms)
-
+  const theTransforms = getTransformInfos(
+    selectionRanges,
+    kclManager.ast,
+    horOrVert
+  )
   const _enableHorz = isAllTooltips && theTransforms.every(Boolean)
-    setEnableHorz(_enableHorz)
-  }, [guiMode, selectionRanges])
-  if (guiMode.mode !== 'sketch') return null
+  return { enabled: _enableHorz, transforms: theTransforms }
+}
 
-  return (
-    <button
-      onClick={() => {
-        if (!transformInfos || !ast) return
-        const { modifiedAst, pathToNodeMap } = transformAstSketchLines({
+export function applyConstraintHorzVert(
+  selectionRanges: Selections,
+  horOrVert: 'vertical' | 'horizontal',
+  ast: Program,
+  programMemory: ProgramMemory
+): {
+  modifiedAst: Program
+  pathToNodeMap: PathToNodeMap
+} {
+  const transformInfos = horzVertInfo(selectionRanges, horOrVert).transforms
+  return transformAstSketchLines({
     ast,
     selectionRanges,
     transformInfos,
     programMemory,
     referenceSegName: '',
   })
-        updateAst(modifiedAst, true, {
-          callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
-        })
-      }}
-      disabled={!enableHorz}
-      className="group"
-      title={horOrVert === 'horizontal' ? 'Horizontal' : 'Vertical'}
-    >
-      <ActionIcon
-        icon={horOrVert === 'horizontal' ? 'horizontal' : 'vertical'}
-        className="!p-0.5"
-        bgClassName={sketchButtonClassnames.background}
-        iconClassName={sketchButtonClassnames.icon}
-        size="md"
-      />
-      {horOrVert === 'horizontal' ? 'Horizontal' : 'Vertical'}
-    </button>
-  )
 }

src/components/Toolbar/Intersect.tsx

@@ -1,11 +1,6 @@
-import { useState, useEffect } from 'react'
-import { create } from 'react-modal-promise'
-import { toolTips, useStore } from '../../useStore'
-import {
-  BinaryPart,
-  Value,
-  VariableDeclarator,
-} from '../../lang/abstractSyntaxTreeTypes'
+import { toolTips } from '../../useStore'
+import { Selections } from 'lib/selections'
+import { BinaryPart, Program, Value, VariableDeclarator } from '../../lang/wasm'
 import {
   getNodePathFromSourceRange,
   getNodeFromPath,
@@ -13,44 +8,35 @@ import {
 } from '../../lang/queryAst'
 import { isSketchVariablesLinked } from '../../lang/std/sketchConstraints'
 import {
-  TransformInfo,
   transformSecondarySketchLinesTagFirst,
   getTransformInfos,
+  PathToNodeMap,
 } from '../../lang/std/sketchcombos'
-import { GetInfoModal } from '../SetHorVertDistanceModal'
+import { GetInfoModal, createInfoModal } from '../SetHorVertDistanceModal'
 import { createVariableDeclaration } from '../../lang/modifyAst'
 import { removeDoubleNegatives } from '../AvailableVarsHelpers'
-import { updateCursors } from '../../lang/util'
+import { kclManager } from 'lang/KclSinglton'
 
-const getModalInfo = create(GetInfoModal as any)
+const getModalInfo = createInfoModal(GetInfoModal)
 
-export const Intersect = () => {
-  const { guiMode, selectionRanges, ast, programMemory, updateAst, setCursor } =
-    useStore((s) => ({
-      guiMode: s.guiMode,
-      ast: s.ast,
-      updateAst: s.updateAst,
-      selectionRanges: s.selectionRanges,
-      programMemory: s.programMemory,
-      setCursor: s.setCursor,
-    }))
-  const [enable, setEnable] = useState(false)
-  const [transformInfos, setTransformInfos] = useState<TransformInfo[]>()
-  const [forecdSelectionRanges, setForcedSelectionRanges] =
-    useState<typeof selectionRanges>()
-  useEffect(() => {
-    if (!ast) return
+export function intersectInfo({
+  selectionRanges,
+}: {
+  selectionRanges: Selections
+}) {
   if (selectionRanges.codeBasedSelections.length < 2) {
-      setEnable(false)
-      setForcedSelectionRanges({ ...selectionRanges })
-      return
+    return {
+      enabled: false,
+      transforms: [],
+      forcedSelectionRanges: { ...selectionRanges },
+    }
   }
 
   const previousSegment =
     selectionRanges.codeBasedSelections.length > 1 &&
     isLinesParallelAndConstrained(
-        ast,
-        programMemory,
+      kclManager.ast,
+      kclManager.programMemory,
       selectionRanges.codeBasedSelections[0],
       selectionRanges.codeBasedSelections[1]
     )
@@ -71,18 +57,17 @@ export const Intersect = () => {
         : selectionRanges.codeBasedSelections?.[1],
     ],
   }
-    setForcedSelectionRanges(_forcedSelectionRanges)
 
   const paths = _forcedSelectionRanges.codeBasedSelections.map(({ range }) =>
-      getNodePathFromSourceRange(ast, range)
+    getNodePathFromSourceRange(kclManager.ast, range)
   )
   const nodes = paths.map(
-      (pathToNode) => getNodeFromPath<Value>(ast, pathToNode).node
+    (pathToNode) => getNodeFromPath<Value>(kclManager.ast, pathToNode).node
   )
   const varDecs = paths.map(
     (pathToNode) =>
       getNodeFromPath<VariableDeclarator>(
-          ast,
+        kclManager.ast,
         pathToNode,
         'VariableDeclarator'
       )?.node
@@ -90,7 +75,7 @@ export const Intersect = () => {
   const primaryLine = varDecs[0]
   const secondaryVarDecs = varDecs.slice(1)
   const isOthersLinkedToPrimary = secondaryVarDecs.every((secondary) =>
-      isSketchVariablesLinked(secondary, primaryLine, ast)
+    isSketchVariablesLinked(secondary, primaryLine, kclManager.ast)
   )
   const isAllTooltips = nodes.every(
     (node) =>
@@ -104,13 +89,11 @@ export const Intersect = () => {
   const theTransforms = getTransformInfos(
     {
       ...selectionRanges,
-        codeBasedSelections:
-          _forcedSelectionRanges.codeBasedSelections.slice(1),
+      codeBasedSelections: _forcedSelectionRanges.codeBasedSelections.slice(1),
     },
-      ast,
+    kclManager.ast,
     'intersect'
   )
-    setTransformInfos(theTransforms)
 
   const _enableEqual =
     secondaryVarDecs.length === 1 &&
@@ -118,20 +101,31 @@ export const Intersect = () => {
     isOthersLinkedToPrimary &&
     theTransforms.every(Boolean) &&
     _forcedSelectionRanges?.codeBasedSelections?.[1]?.type === 'line-end'
-    setEnable(_enableEqual)
-  }, [guiMode, selectionRanges])
-  if (guiMode.mode !== 'sketch') return null
 
-  return (
-    <button
-      onClick={async () => {
-        if (!(transformInfos && ast && forecdSelectionRanges)) return
+  return {
+    enabled: _enableEqual,
+    transforms: theTransforms,
+    forcedSelectionRanges: _forcedSelectionRanges,
+  }
+}
+
+export async function applyConstraintIntersect({
+  selectionRanges,
+}: {
+  selectionRanges: Selections
+}): Promise<{
+  modifiedAst: Program
+  pathToNodeMap: PathToNodeMap
+}> {
+  const { transforms, forcedSelectionRanges } = intersectInfo({
+    selectionRanges,
+  })
   const { modifiedAst, tagInfo, valueUsedInTransform, pathToNodeMap } =
     transformSecondarySketchLinesTagFirst({
-            ast: JSON.parse(JSON.stringify(ast)),
-            selectionRanges: forecdSelectionRanges,
-            transformInfos,
-            programMemory,
+      ast: JSON.parse(JSON.stringify(kclManager.ast)),
+      selectionRanges: forcedSelectionRanges,
+      transformInfos: transforms,
+      programMemory: kclManager.programMemory,
     })
   const {
     segName,
@@ -140,36 +134,30 @@ export const Intersect = () => {
     variableName,
     newVariableInsertIndex,
     sign,
-        }: {
-          segName: string
-          value: number
-          valueNode: Value
-          variableName?: string
-          newVariableInsertIndex: number
-          sign: number
   } = await getModalInfo({
     segName: tagInfo?.tag,
     isSegNameEditable: !tagInfo?.isTagExisting,
     value: valueUsedInTransform,
     initialVariableName: 'offset',
-        } as any)
-        if (segName === tagInfo?.tag && value === valueUsedInTransform) {
-          updateAst(modifiedAst, true, {
-            callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
   })
-        } else {
+  if (segName === tagInfo?.tag && Number(value) === valueUsedInTransform) {
+    return {
+      modifiedAst,
+      pathToNodeMap,
+    }
+  }
   // transform again but forcing certain values
   const finalValue = removeDoubleNegatives(
     valueNode as BinaryPart,
     sign,
     variableName
   )
-          const { modifiedAst: _modifiedAst, pathToNodeMap } =
+  const { modifiedAst: _modifiedAst, pathToNodeMap: _pathToNodeMap } =
     transformSecondarySketchLinesTagFirst({
-              ast,
-              selectionRanges: forecdSelectionRanges,
-              transformInfos,
-              programMemory,
+      ast: kclManager.ast,
+      selectionRanges: forcedSelectionRanges,
+      transformInfos: transforms,
+      programMemory: kclManager.programMemory,
       forceSegName: segName,
       forceValueUsedInTransform: finalValue,
     })
@@ -182,15 +170,8 @@ export const Intersect = () => {
     )
     _modifiedAst.body = newBody
   }
-          updateAst(_modifiedAst, true, {
-            callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
-          })
+  return {
+    modifiedAst: _modifiedAst,
+    pathToNodeMap: _pathToNodeMap,
   }
-      }}
-      disabled={!enable}
-      title="Set Perpendicular Distance"
-    >
-      Set Perpendicular Distance
-    </button>
-  )
 }

src/components/Toolbar/RemoveConstrainingValues.tsx

@@ -1,36 +1,27 @@
-import { useState, useEffect } from 'react'
-import { toolTips, useStore } from '../../useStore'
-import { Value } from '../../lang/abstractSyntaxTreeTypes'
+import { toolTips } from '../../useStore'
+import { Selections } from 'lib/selections'
+import { Program, Value } from '../../lang/wasm'
 import {
   getNodePathFromSourceRange,
   getNodeFromPath,
 } from '../../lang/queryAst'
 import {
-  TransformInfo,
+  PathToNodeMap,
   getRemoveConstraintsTransforms,
   transformAstSketchLines,
 } from '../../lang/std/sketchcombos'
-import { updateCursors } from '../../lang/util'
+import { kclManager } from 'lang/KclSinglton'
 
-export const RemoveConstrainingValues = () => {
-  const { guiMode, selectionRanges, ast, programMemory, updateAst, setCursor } =
-    useStore((s) => ({
-      guiMode: s.guiMode,
-      ast: s.ast,
-      updateAst: s.updateAst,
-      selectionRanges: s.selectionRanges,
-      programMemory: s.programMemory,
-      setCursor: s.setCursor,
-    }))
-  const [enableHorz, setEnableHorz] = useState(false)
-  const [transformInfos, setTransformInfos] = useState<TransformInfo[]>()
-  useEffect(() => {
-    if (!ast) return
+export function removeConstrainingValuesInfo({
+  selectionRanges,
+}: {
+  selectionRanges: Selections
+}) {
   const paths = selectionRanges.codeBasedSelections.map(({ range }) =>
-      getNodePathFromSourceRange(ast, range)
+    getNodePathFromSourceRange(kclManager.ast, range)
   )
   const nodes = paths.map(
-      (pathToNode) => getNodeFromPath<Value>(ast, pathToNode).node
+    (pathToNode) => getNodeFromPath<Value>(kclManager.ast, pathToNode).node
   )
   const isAllTooltips = nodes.every(
     (node) =>
@@ -39,40 +30,34 @@ export const RemoveConstrainingValues = () => {
   )
 
   try {
-      const theTransforms = getRemoveConstraintsTransforms(
+    const transforms = getRemoveConstraintsTransforms(
       selectionRanges,
-        ast,
+      kclManager.ast,
       'removeConstrainingValues'
     )
-      setTransformInfos(theTransforms)
 
-      const _enableHorz = isAllTooltips && theTransforms.every(Boolean)
-      setEnableHorz(_enableHorz)
+    const enabled = isAllTooltips && transforms.every(Boolean)
+    return { enabled, transforms }
   } catch (e) {
     console.error(e)
+    return { enabled: false, transforms: [] }
   }
-  }, [guiMode, selectionRanges])
-  if (guiMode.mode !== 'sketch') return null
+}
 
-  return (
-    <button
-      onClick={() => {
-        if (!transformInfos || !ast) return
-        const { modifiedAst, pathToNodeMap } = transformAstSketchLines({
-          ast,
+export function applyRemoveConstrainingValues({
   selectionRanges,
-          transformInfos,
-          programMemory,
+}: {
+  selectionRanges: Selections
+}): {
+  modifiedAst: Program
+  pathToNodeMap: PathToNodeMap
+} {
+  const { transforms } = removeConstrainingValuesInfo({ selectionRanges })
+  return transformAstSketchLines({
+    ast: kclManager.ast,
+    selectionRanges,
+    transformInfos: transforms,
+    programMemory: kclManager.programMemory,
     referenceSegName: '',
   })
-        updateAst(modifiedAst, true, {
-          callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
-        })
-      }}
-      disabled={!enableHorz}
-      title="Remove Constraining Values"
-    >
-      Remove Constraining Values
-    </button>
-  )
 }

src/components/Toolbar/SetAbsDistance.tsx

@@ -1,62 +1,49 @@
-import { useState, useEffect } from 'react'
-import { create } from 'react-modal-promise'
-import { toolTips, useStore } from '../../useStore'
-import { Value } from '../../lang/abstractSyntaxTreeTypes'
+import { toolTips } from '../../useStore'
+import { Selections } from 'lib/selections'
+import { BinaryPart, Program, Value } from '../../lang/wasm'
 import {
   getNodePathFromSourceRange,
   getNodeFromPath,
 } from '../../lang/queryAst'
 import {
-  TransformInfo,
   getTransformInfos,
   transformAstSketchLines,
-  ConstraintType,
+  PathToNodeMap,
 } from '../../lang/std/sketchcombos'
-import { SetAngleLengthModal } from '../SetAngleLengthModal'
+import {
+  SetAngleLengthModal,
+  createSetAngleLengthModal,
+} from '../SetAngleLengthModal'
 import {
   createIdentifier,
   createVariableDeclaration,
 } from '../../lang/modifyAst'
 import { removeDoubleNegatives } from '../AvailableVarsHelpers'
-import { updateCursors } from '../../lang/util'
+import { kclManager } from 'lang/KclSinglton'
 
-const getModalInfo = create(SetAngleLengthModal as any)
+const getModalInfo = createSetAngleLengthModal(SetAngleLengthModal)
 
-type ButtonType = 'xAbs' | 'yAbs' | 'snapToYAxis' | 'snapToXAxis'
+type Constraint = 'xAbs' | 'yAbs' | 'snapToYAxis' | 'snapToXAxis'
 
-const buttonLabels: Record<ButtonType, string> = {
-  xAbs: 'Set distance from X Axis',
-  yAbs: 'Set distance from Y Axis',
-  snapToYAxis: 'Snap To Y Axis',
-  snapToXAxis: 'Snap To X Axis',
-}
-
-export const SetAbsDistance = ({ buttonType }: { buttonType: ButtonType }) => {
-  const { guiMode, selectionRanges, ast, programMemory, updateAst, setCursor } =
-    useStore((s) => ({
-      guiMode: s.guiMode,
-      ast: s.ast,
-      updateAst: s.updateAst,
-      selectionRanges: s.selectionRanges,
-      programMemory: s.programMemory,
-      setCursor: s.setCursor,
-    }))
-  const disType: ConstraintType =
-    buttonType === 'xAbs' || buttonType === 'yAbs'
-      ? buttonType
-      : buttonType === 'snapToYAxis'
+export function absDistanceInfo({
+  selectionRanges,
+  constraint,
+}: {
+  selectionRanges: Selections
+  constraint: Constraint
+}) {
+  const disType =
+    constraint === 'xAbs' || constraint === 'yAbs'
+      ? constraint
+      : constraint === 'snapToYAxis'
       ? 'xAbs'
       : 'yAbs'
-  const [enableAngLen, setEnableAngLen] = useState(false)
-  const [transformInfos, setTransformInfos] = useState<TransformInfo[]>()
-  useEffect(() => {
-    if (!ast) return
   const paths = selectionRanges.codeBasedSelections.map(({ range }) =>
-      getNodePathFromSourceRange(ast, range)
+    getNodePathFromSourceRange(kclManager.ast, range)
   )
   const nodes = paths.map(
     (pathToNode) =>
-        getNodeFromPath<Value>(ast, pathToNode, 'CallExpression').node
+      getNodeFromPath<Value>(kclManager.ast, pathToNode, 'CallExpression').node
   )
   const isAllTooltips = nodes.every(
     (node) =>
@@ -64,8 +51,7 @@ export const SetAbsDistance = ({ buttonType }: { buttonType: ButtonType }) => {
       toolTips.includes(node.callee.name as any)
   )
 
-    const theTransforms = getTransformInfos(selectionRanges, ast, disType)
-    setTransformInfos(theTransforms)
+  const transforms = getTransformInfos(selectionRanges, kclManager.ast, disType)
 
   const enableY =
     disType === 'yAbs' &&
@@ -76,46 +62,53 @@ export const SetAbsDistance = ({ buttonType }: { buttonType: ButtonType }) => {
     selectionRanges.otherSelections.length === 1 &&
     selectionRanges.otherSelections[0] === 'y-axis' // select the y axis to set the distance from it i.e. x
 
-    const _enableHorz =
+  const enabled =
     isAllTooltips &&
-      theTransforms.every(Boolean) &&
+    transforms.every(Boolean) &&
     selectionRanges.codeBasedSelections.length === 1 &&
     (enableX || enableY)
-    setEnableAngLen(_enableHorz)
-  }, [guiMode, selectionRanges])
-  if (guiMode.mode !== 'sketch') return null
 
-  const isAlign = buttonType === 'snapToYAxis' || buttonType === 'snapToXAxis'
+  return { enabled, transforms }
+}
 
-  return (
-    <button
-      onClick={async () => {
-        if (!(transformInfos && ast)) return
+export async function applyConstraintAbsDistance({
+  selectionRanges,
+  constraint,
+}: {
+  selectionRanges: Selections
+  constraint: 'xAbs' | 'yAbs'
+}): Promise<{
+  modifiedAst: Program
+  pathToNodeMap: PathToNodeMap
+}> {
+  const transformInfos = absDistanceInfo({
+    selectionRanges,
+    constraint,
+  }).transforms
   const { valueUsedInTransform } = transformAstSketchLines({
-          ast: JSON.parse(JSON.stringify(ast)),
+    ast: JSON.parse(JSON.stringify(kclManager.ast)),
     selectionRanges: selectionRanges,
     transformInfos,
-          programMemory,
+    programMemory: kclManager.programMemory,
     referenceSegName: '',
   })
-        try {
   let forceVal = valueUsedInTransform || 0
   const { valueNode, variableName, newVariableInsertIndex, sign } =
-            await (!isAlign &&
-              getModalInfo({
+    await getModalInfo({
       value: forceVal,
-                valueName: disType === 'yAbs' ? 'yDis' : 'xDis',
-              } as any))
-          let finalValue = isAlign
-            ? createIdentifier('_0')
-            : removeDoubleNegatives(valueNode, sign, variableName)
+      valueName: constraint === 'yAbs' ? 'yDis' : 'xDis',
+    })
+  let finalValue = removeDoubleNegatives(
+    valueNode as BinaryPart,
+    sign,
+    variableName
+  )
 
-          const { modifiedAst: _modifiedAst, pathToNodeMap } =
-            transformAstSketchLines({
-              ast: JSON.parse(JSON.stringify(ast)),
+  const { modifiedAst: _modifiedAst, pathToNodeMap } = transformAstSketchLines({
+    ast: JSON.parse(JSON.stringify(kclManager.ast)),
     selectionRanges: selectionRanges,
     transformInfos,
-              programMemory,
+    programMemory: kclManager.programMemory,
     referenceSegName: '',
     forceValueUsedInTransform: finalValue,
   })
@@ -128,18 +121,32 @@ export const SetAbsDistance = ({ buttonType }: { buttonType: ButtonType }) => {
     )
     _modifiedAst.body = newBody
   }
-
-          updateAst(_modifiedAst, true, {
-            callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
-          })
-        } catch (e) {
-          console.log('e', e)
-        }
-      }}
-      disabled={!enableAngLen}
-      title={buttonLabels[buttonType]}
-    >
-      {buttonLabels[buttonType]}
-    </button>
-  )
+  return { modifiedAst: _modifiedAst, pathToNodeMap }
+}
+
+export function applyConstraintAxisAlign({
+  selectionRanges,
+  constraint,
+}: {
+  selectionRanges: Selections
+  constraint: 'snapToYAxis' | 'snapToXAxis'
+}): {
+  modifiedAst: Program
+  pathToNodeMap: PathToNodeMap
+} {
+  const transformInfos = absDistanceInfo({
+    selectionRanges,
+    constraint,
+  }).transforms
+
+  let finalValue = createIdentifier('_0')
+
+  return transformAstSketchLines({
+    ast: JSON.parse(JSON.stringify(kclManager.ast)),
+    selectionRanges: selectionRanges,
+    transformInfos,
+    programMemory: kclManager.programMemory,
+    referenceSegName: '',
+    forceValueUsedInTransform: finalValue,
+  })
 }

src/components/Toolbar/SetAngleBetween.tsx

@@ -1,52 +1,39 @@
-import { useState, useEffect } from 'react'
-import { create } from 'react-modal-promise'
-import { toolTips, useStore } from '../../useStore'
-import {
-  BinaryPart,
-  Value,
-  VariableDeclarator,
-} from '../../lang/abstractSyntaxTreeTypes'
+import { toolTips } from '../../useStore'
+import { Selections } from 'lib/selections'
+import { BinaryPart, Program, Value, VariableDeclarator } from '../../lang/wasm'
 import {
   getNodePathFromSourceRange,
   getNodeFromPath,
 } from '../../lang/queryAst'
 import { isSketchVariablesLinked } from '../../lang/std/sketchConstraints'
 import {
-  TransformInfo,
   transformSecondarySketchLinesTagFirst,
   getTransformInfos,
+  PathToNodeMap,
 } from '../../lang/std/sketchcombos'
-import { GetInfoModal } from '../SetHorVertDistanceModal'
+import { GetInfoModal, createInfoModal } from '../SetHorVertDistanceModal'
 import { createVariableDeclaration } from '../../lang/modifyAst'
 import { removeDoubleNegatives } from '../AvailableVarsHelpers'
-import { updateCursors } from '../../lang/util'
+import { kclManager } from 'lang/KclSinglton'
 
-const getModalInfo = create(GetInfoModal as any)
+const getModalInfo = createInfoModal(GetInfoModal)
 
-export const SetAngleBetween = () => {
-  const { guiMode, selectionRanges, ast, programMemory, updateAst, setCursor } =
-    useStore((s) => ({
-      guiMode: s.guiMode,
-      ast: s.ast,
-      updateAst: s.updateAst,
-      selectionRanges: s.selectionRanges,
-      programMemory: s.programMemory,
-      setCursor: s.setCursor,
-    }))
-  const [enable, setEnable] = useState(false)
-  const [transformInfos, setTransformInfos] = useState<TransformInfo[]>()
-  useEffect(() => {
-    if (!ast) return
+export function angleBetweenInfo({
+  selectionRanges,
+}: {
+  selectionRanges: Selections
+}) {
   const paths = selectionRanges.codeBasedSelections.map(({ range }) =>
-      getNodePathFromSourceRange(ast, range)
+    getNodePathFromSourceRange(kclManager.ast, range)
   )
+
   const nodes = paths.map(
-      (pathToNode) => getNodeFromPath<Value>(ast, pathToNode).node
+    (pathToNode) => getNodeFromPath<Value>(kclManager.ast, pathToNode).node
   )
   const varDecs = paths.map(
     (pathToNode) =>
       getNodeFromPath<VariableDeclarator>(
-          ast,
+        kclManager.ast,
         pathToNode,
         'VariableDeclarator'
       )?.node
@@ -54,7 +41,7 @@ export const SetAngleBetween = () => {
   const primaryLine = varDecs[0]
   const secondaryVarDecs = varDecs.slice(1)
   const isOthersLinkedToPrimary = secondaryVarDecs.every((secondary) =>
-      isSketchVariablesLinked(secondary, primaryLine, ast)
+    isSketchVariablesLinked(secondary, primaryLine, kclManager.ast)
   )
   const isAllTooltips = nodes.every(
     (node) =>
@@ -67,30 +54,35 @@ export const SetAngleBetween = () => {
       ...selectionRanges,
       codeBasedSelections: selectionRanges.codeBasedSelections.slice(1),
     },
-      ast,
+    kclManager.ast,
     'setAngleBetween'
   )
-    setTransformInfos(theTransforms)
 
   const _enableEqual =
     secondaryVarDecs.length === 1 &&
     isAllTooltips &&
     isOthersLinkedToPrimary &&
     theTransforms.every(Boolean)
-    setEnable(_enableEqual)
-  }, [guiMode, selectionRanges])
-  if (guiMode.mode !== 'sketch') return null
+  return { enabled: _enableEqual, transforms: theTransforms }
+}
 
-  return (
-    <button
-      onClick={async () => {
-        if (!(transformInfos && ast)) return
+export async function applyConstraintAngleBetween({
+  selectionRanges,
+}: // constraint,
+{
+  selectionRanges: Selections
+  // constraint: 'setHorzDistance' | 'setVertDistance'
+}): Promise<{
+  modifiedAst: Program
+  pathToNodeMap: PathToNodeMap
+}> {
+  const transformInfos = angleBetweenInfo({ selectionRanges }).transforms
   const { modifiedAst, tagInfo, valueUsedInTransform, pathToNodeMap } =
     transformSecondarySketchLinesTagFirst({
-            ast: JSON.parse(JSON.stringify(ast)),
+      ast: JSON.parse(JSON.stringify(kclManager.ast)),
       selectionRanges,
       transformInfos,
-            programMemory,
+      programMemory: kclManager.programMemory,
     })
   const {
     segName,
@@ -99,36 +91,31 @@ export const SetAngleBetween = () => {
     variableName,
     newVariableInsertIndex,
     sign,
-        }: {
-          segName: string
-          value: number
-          valueNode: Value
-          variableName?: string
-          newVariableInsertIndex: number
-          sign: number
   } = await getModalInfo({
     segName: tagInfo?.tag,
     isSegNameEditable: !tagInfo?.isTagExisting,
     value: valueUsedInTransform,
     initialVariableName: 'angle',
   } as any)
-        if (segName === tagInfo?.tag && value === valueUsedInTransform) {
-          updateAst(modifiedAst, true, {
-            callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
-          })
-        } else {
+  if (segName === tagInfo?.tag && Number(value) === valueUsedInTransform) {
+    return {
+      modifiedAst,
+      pathToNodeMap,
+    }
+  }
+
   const finalValue = removeDoubleNegatives(
     valueNode as BinaryPart,
     sign,
     variableName
   )
   // transform again but forcing certain values
-          const { modifiedAst: _modifiedAst, pathToNodeMap } =
+  const { modifiedAst: _modifiedAst, pathToNodeMap: _pathToNodeMap } =
     transformSecondarySketchLinesTagFirst({
-              ast,
+      ast: kclManager.ast,
       selectionRanges,
       transformInfos,
-              programMemory,
+      programMemory: kclManager.programMemory,
       forceSegName: segName,
       forceValueUsedInTransform: finalValue,
     })
@@ -141,15 +128,8 @@ export const SetAngleBetween = () => {
     )
     _modifiedAst.body = newBody
   }
-          updateAst(_modifiedAst, true, {
-            callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
-          })
+  return {
+    modifiedAst: _modifiedAst,
+    pathToNodeMap: _pathToNodeMap,
   }
-      }}
-      disabled={!enable}
-      title="Set Angle Between"
-    >
-      Set Angle Between
-    </button>
-  )
 }

src/components/Toolbar/SetHorzVertDistance.tsx

@@ -1,78 +1,40 @@
-import { useState, useEffect } from 'react'
-import { create } from 'react-modal-promise'
-import { toolTips, useStore } from '../../useStore'
-import {
-  BinaryPart,
-  Value,
-  VariableDeclarator,
-} from '../../lang/abstractSyntaxTreeTypes'
+import { toolTips } from '../../useStore'
+import { BinaryPart, Program, Value, VariableDeclarator } from '../../lang/wasm'
 import {
   getNodePathFromSourceRange,
   getNodeFromPath,
 } from '../../lang/queryAst'
 import { isSketchVariablesLinked } from '../../lang/std/sketchConstraints'
 import {
-  TransformInfo,
   transformSecondarySketchLinesTagFirst,
   getTransformInfos,
-  ConstraintType,
+  PathToNodeMap,
 } from '../../lang/std/sketchcombos'
-import { GetInfoModal } from '../SetHorVertDistanceModal'
+import { GetInfoModal, createInfoModal } from '../SetHorVertDistanceModal'
 import { createLiteral, createVariableDeclaration } from '../../lang/modifyAst'
 import { removeDoubleNegatives } from '../AvailableVarsHelpers'
-import { updateCursors } from '../../lang/util'
-import { ActionIcon } from 'components/ActionIcon'
-import { sketchButtonClassnames } from 'Toolbar'
+import { kclManager } from 'lang/KclSinglton'
+import { Selections } from 'lib/selections'
 
-const getModalInfo = create(GetInfoModal as any)
+const getModalInfo = createInfoModal(GetInfoModal)
 
-type ButtonType =
-  | 'setHorzDistance'
-  | 'setVertDistance'
-  | 'alignEndsHorizontally'
-  | 'alignEndsVertically'
-
-const buttonLabels: Record<ButtonType, string> = {
-  setHorzDistance: 'Set Horizontal Distance',
-  setVertDistance: 'Set Vertical Distance',
-  alignEndsHorizontally: 'Align Ends Horizontally',
-  alignEndsVertically: 'Align Ends Vertically',
-}
-
-export const SetHorzVertDistance = ({
-  buttonType,
+export function horzVertDistanceInfo({
+  selectionRanges,
+  constraint,
 }: {
-  buttonType: ButtonType
-}) => {
-  const { guiMode, selectionRanges, ast, programMemory, updateAst, setCursor } =
-    useStore((s) => ({
-      guiMode: s.guiMode,
-      ast: s.ast,
-      updateAst: s.updateAst,
-      selectionRanges: s.selectionRanges,
-      programMemory: s.programMemory,
-      setCursor: s.setCursor,
-    }))
-  const constraint: ConstraintType =
-    buttonType === 'setHorzDistance' || buttonType === 'setVertDistance'
-      ? buttonType
-      : buttonType === 'alignEndsHorizontally'
-      ? 'setVertDistance'
-      : 'setHorzDistance'
-  const [enable, setEnable] = useState(false)
-  const [transformInfos, setTransformInfos] = useState<TransformInfo[]>()
-  useEffect(() => {
-    if (!ast) return
+  selectionRanges: Selections
+  constraint: 'setHorzDistance' | 'setVertDistance'
+}) {
   const paths = selectionRanges.codeBasedSelections.map(({ range }) =>
-      getNodePathFromSourceRange(ast, range)
+    getNodePathFromSourceRange(kclManager.ast, range)
   )
   const nodes = paths.map(
-      (pathToNode) => getNodeFromPath<Value>(ast, pathToNode).node
+    (pathToNode) => getNodeFromPath<Value>(kclManager.ast, pathToNode).node
   )
   const varDecs = paths.map(
     (pathToNode) =>
       getNodeFromPath<VariableDeclarator>(
-          ast,
+        kclManager.ast,
         pathToNode,
         'VariableDeclarator'
       )?.node
@@ -80,7 +42,7 @@ export const SetHorzVertDistance = ({
   const primaryLine = varDecs[0]
   const secondaryVarDecs = varDecs.slice(1)
   const isOthersLinkedToPrimary = secondaryVarDecs.every((secondary) =>
-      isSketchVariablesLinked(secondary, primaryLine, ast)
+    isSketchVariablesLinked(secondary, primaryLine, kclManager.ast)
   )
   const isAllTooltips = nodes.every(
     (node) =>
@@ -96,34 +58,40 @@ export const SetHorzVertDistance = ({
       ...selectionRanges,
       codeBasedSelections: selectionRanges.codeBasedSelections.slice(1),
     },
-      ast,
+    kclManager.ast,
     constraint
   )
-    setTransformInfos(theTransforms)
-
   const _enableEqual =
     secondaryVarDecs.length === 1 &&
     isAllTooltips &&
     isOthersLinkedToPrimary &&
     theTransforms.every(Boolean)
-    setEnable(_enableEqual)
-  }, [guiMode, selectionRanges])
-  if (guiMode.mode !== 'sketch') return null
+  return { enabled: _enableEqual, transforms: theTransforms }
+}
 
-  const isAlign =
-    buttonType === 'alignEndsHorizontally' ||
-    buttonType === 'alignEndsVertically'
-
-  return (
-    <button
-      onClick={async () => {
-        if (!(transformInfos && ast)) return
+export async function applyConstraintHorzVertDistance({
+  selectionRanges,
+  constraint,
+  // TODO align will always be false (covered by synconous applyConstraintHorzVertAlign), remove it
+  isAlign = false,
+}: {
+  selectionRanges: Selections
+  constraint: 'setHorzDistance' | 'setVertDistance'
+  isAlign?: false
+}): Promise<{
+  modifiedAst: Program
+  pathToNodeMap: PathToNodeMap
+}> {
+  const transformInfos = horzVertDistanceInfo({
+    selectionRanges,
+    constraint,
+  }).transforms
   const { modifiedAst, tagInfo, valueUsedInTransform, pathToNodeMap } =
     transformSecondarySketchLinesTagFirst({
-            ast: JSON.parse(JSON.stringify(ast)),
+      ast: JSON.parse(JSON.stringify(kclManager.ast)),
       selectionRanges,
       transformInfos,
-            programMemory,
+      programMemory: kclManager.programMemory,
     })
   const {
     segName,
@@ -132,25 +100,17 @@ export const SetHorzVertDistance = ({
     variableName,
     newVariableInsertIndex,
     sign,
-        }: {
-          segName: string
-          value: number
-          valueNode: Value
-          variableName?: string
-          newVariableInsertIndex: number
-          sign: number
-        } = await (!isAlign &&
-          getModalInfo({
+  } = await getModalInfo({
     segName: tagInfo?.tag,
     isSegNameEditable: !tagInfo?.isTagExisting,
     value: valueUsedInTransform,
-            initialVariableName:
-              constraint === 'setHorzDistance' ? 'xDis' : 'yDis',
-          } as any))
-        if (segName === tagInfo?.tag && value === valueUsedInTransform) {
-          updateAst(modifiedAst, true, {
-            callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
-          })
+    initialVariableName: constraint === 'setHorzDistance' ? 'xDis' : 'yDis',
+  } as any)
+  if (segName === tagInfo?.tag && Number(value) === valueUsedInTransform) {
+    return {
+      modifiedAst,
+      pathToNodeMap,
+    }
   } else {
     let finalValue = isAlign
       ? createLiteral(0)
@@ -158,10 +118,10 @@ export const SetHorzVertDistance = ({
     // transform again but forcing certain values
     const { modifiedAst: _modifiedAst, pathToNodeMap } =
       transformSecondarySketchLinesTagFirst({
-              ast,
+        ast: kclManager.ast,
         selectionRanges,
         transformInfos,
-              programMemory,
+        programMemory: kclManager.programMemory,
         forceSegName: segName,
         forceValueUsedInTransform: finalValue,
       })
@@ -174,15 +134,37 @@ export const SetHorzVertDistance = ({
       )
       _modifiedAst.body = newBody
     }
-          updateAst(_modifiedAst, true, {
-            callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
-          })
+    return {
+      modifiedAst: _modifiedAst,
+      pathToNodeMap,
+    }
+  }
+}
+
+export function applyConstraintHorzVertAlign({
+  selectionRanges,
+  constraint,
+}: {
+  selectionRanges: Selections
+  constraint: 'setHorzDistance' | 'setVertDistance'
+}): {
+  modifiedAst: Program
+  pathToNodeMap: PathToNodeMap
+} {
+  const transformInfos = horzVertDistanceInfo({
+    selectionRanges,
+    constraint,
+  }).transforms
+  let finalValue = createLiteral(0)
+  const { modifiedAst, pathToNodeMap } = transformSecondarySketchLinesTagFirst({
+    ast: kclManager.ast,
+    selectionRanges,
+    transformInfos,
+    programMemory: kclManager.programMemory,
+    forceValueUsedInTransform: finalValue,
+  })
+  return {
+    modifiedAst: modifiedAst,
+    pathToNodeMap,
   }
-      }}
-      disabled={!enable}
-      title={buttonLabels[buttonType]}
-    >
-      {buttonLabels[buttonType]}
-    </button>
-  )
 }

src/components/Toolbar/setAngleLength.tsx

@@ -1,17 +1,19 @@
-import { useState, useEffect } from 'react'
-import { create } from 'react-modal-promise'
-import { toolTips, useStore } from '../../useStore'
-import { Value } from '../../lang/abstractSyntaxTreeTypes'
+import { toolTips } from '../../useStore'
+import { Selections } from 'lib/selections'
+import { BinaryPart, Program, Value } from '../../lang/wasm'
 import {
   getNodePathFromSourceRange,
   getNodeFromPath,
 } from '../../lang/queryAst'
 import {
-  TransformInfo,
+  PathToNodeMap,
   getTransformInfos,
   transformAstSketchLines,
 } from '../../lang/std/sketchcombos'
-import { SetAngleLengthModal } from '../SetAngleLengthModal'
+import {
+  SetAngleLengthModal,
+  createSetAngleLengthModal,
+} from '../SetAngleLengthModal'
 import {
   createBinaryExpressionWithUnary,
   createIdentifier,
@@ -19,41 +21,23 @@ import {
 } from '../../lang/modifyAst'
 import { removeDoubleNegatives } from '../AvailableVarsHelpers'
 import { normaliseAngle } from '../../lib/utils'
-import { updateCursors } from '../../lang/util'
+import { kclManager } from 'lang/KclSinglton'
 
-const getModalInfo = create(SetAngleLengthModal as any)
+const getModalInfo = createSetAngleLengthModal(SetAngleLengthModal)
 
-type ButtonType = 'setAngle' | 'setLength'
-
-const buttonLabels: Record<ButtonType, string> = {
-  setAngle: 'Set Angle',
-  setLength: 'Set Length',
-}
-
-export const SetAngleLength = ({
-  angleOrLength,
+export function setAngleLengthInfo({
+  selectionRanges,
+  angleOrLength = 'setLength',
 }: {
-  angleOrLength: ButtonType
-}) => {
-  const { guiMode, selectionRanges, ast, programMemory, updateAst, setCursor } =
-    useStore((s) => ({
-      guiMode: s.guiMode,
-      ast: s.ast,
-      updateAst: s.updateAst,
-      selectionRanges: s.selectionRanges,
-      programMemory: s.programMemory,
-      setCursor: s.setCursor,
-    }))
-  const [enableAngLen, setEnableAngLen] = useState(false)
-  const [transformInfos, setTransformInfos] = useState<TransformInfo[]>()
-  useEffect(() => {
-    if (!ast) return
+  selectionRanges: Selections
+  angleOrLength?: 'setLength' | 'setAngle'
+}) {
   const paths = selectionRanges.codeBasedSelections.map(({ range }) =>
-      getNodePathFromSourceRange(ast, range)
+    getNodePathFromSourceRange(kclManager.ast, range)
   )
   const nodes = paths.map(
     (pathToNode) =>
-        getNodeFromPath<Value>(ast, pathToNode, 'CallExpression').node
+      getNodeFromPath<Value>(kclManager.ast, pathToNode, 'CallExpression').node
   )
   const isAllTooltips = nodes.every(
     (node) =>
@@ -61,23 +45,31 @@ export const SetAngleLength = ({
       toolTips.includes(node.callee.name as any)
   )
 
-    const theTransforms = getTransformInfos(selectionRanges, ast, angleOrLength)
-    setTransformInfos(theTransforms)
-
-    const _enableHorz = isAllTooltips && theTransforms.every(Boolean)
-    setEnableAngLen(_enableHorz)
-  }, [guiMode, selectionRanges])
-  if (guiMode.mode !== 'sketch') return null
-
-  return (
-    <button
-      onClick={async () => {
-        if (!(transformInfos && ast)) return
-        const { valueUsedInTransform } = transformAstSketchLines({
-          ast: JSON.parse(JSON.stringify(ast)),
+  const transforms = getTransformInfos(
     selectionRanges,
-          transformInfos,
-          programMemory,
+    kclManager.ast,
+    angleOrLength
+  )
+  const enabled = isAllTooltips && transforms.every(Boolean)
+  return { enabled, transforms }
+}
+
+export async function applyConstraintAngleLength({
+  selectionRanges,
+  angleOrLength = 'setLength',
+}: {
+  selectionRanges: Selections
+  angleOrLength?: 'setLength' | 'setAngle'
+}): Promise<{
+  modifiedAst: Program
+  pathToNodeMap: PathToNodeMap
+}> {
+  const { transforms } = setAngleLengthInfo({ selectionRanges, angleOrLength })
+  const { valueUsedInTransform } = transformAstSketchLines({
+    ast: JSON.parse(JSON.stringify(kclManager.ast)),
+    selectionRanges,
+    transformInfos: transforms,
+    programMemory: kclManager.programMemory,
     referenceSegName: '',
   })
   try {
@@ -99,37 +91,35 @@ export const SetAngleLength = ({
       calcIdentifier = createIdentifier(forceVal < 0 ? '_270' : '_90')
       forceVal = normaliseAngle(forceVal + (forceVal < 0 ? 90 : -90))
     } else if (isReferencingXAxisAngle) {
-            calcIdentifier = createIdentifier(
-              Math.abs(forceVal) > 90 ? '_180' : '_0'
-            )
+      calcIdentifier = createIdentifier(Math.abs(forceVal) > 90 ? '_180' : '_0')
       forceVal =
-              Math.abs(forceVal) > 90
-                ? normaliseAngle(forceVal - 180)
-                : forceVal
+        Math.abs(forceVal) > 90 ? normaliseAngle(forceVal - 180) : forceVal
     }
     const { valueNode, variableName, newVariableInsertIndex, sign } =
       await getModalInfo({
         value: forceVal,
         valueName: angleOrLength === 'setAngle' ? 'angle' : 'length',
         shouldCreateVariable: true,
-            } as any)
-          let finalValue = removeDoubleNegatives(valueNode, sign, variableName)
+      })
+
+    let finalValue = removeDoubleNegatives(
+      valueNode as BinaryPart,
+      sign,
+      variableName
+    )
     if (
       isReferencingYAxisAngle ||
       (isReferencingXAxisAngle && calcIdentifier.name !== '_0')
     ) {
-            finalValue = createBinaryExpressionWithUnary([
-              calcIdentifier,
-              finalValue,
-            ])
+      finalValue = createBinaryExpressionWithUnary([calcIdentifier, finalValue])
     }
 
     const { modifiedAst: _modifiedAst, pathToNodeMap } =
       transformAstSketchLines({
-              ast: JSON.parse(JSON.stringify(ast)),
+        ast: JSON.parse(JSON.stringify(kclManager.ast)),
         selectionRanges,
-              transformInfos,
-              programMemory,
+        transformInfos: transforms,
+        programMemory: kclManager.programMemory,
         referenceSegName: '',
         forceValueUsedInTransform: finalValue,
       })
@@ -142,18 +132,12 @@ export const SetAngleLength = ({
       )
       _modifiedAst.body = newBody
     }
-
-          updateAst(_modifiedAst, true, {
-            callBack: updateCursors(setCursor, selectionRanges, pathToNodeMap),
-          })
-        } catch (e) {
-          console.log('e', e)
+    return {
+      modifiedAst: _modifiedAst,
+      pathToNodeMap,
+    }
+  } catch (e) {
+    console.log('erorr', e)
+    throw e
   }
-      }}
-      disabled={!enableAngLen}
-      title={buttonLabels[angleOrLength]}
-    >
-      {buttonLabels[angleOrLength]}
-    </button>
-  )
 }

src/components/Tooltip.module.css

@@ -0,0 +1,229 @@
+/* Adapted from https://github.com/argyleink/gui-challenges/blob/main/tooltips/tool-tip.css */
+
+.tooltip {
+  /* internal CSS vars */
+  --_delay: 200ms;
+  --_p-inline: 1ch;
+  --_p-block: 4px;
+  --_triangle-size: 7px;
+  /* --_bg: hsl(0 0% 20%); */
+  --_bg: var(--chalkboard-10);
+  --_shadow-alpha: 20%;
+
+  /* Used to power spacing and layout for RTL languages */
+  --isRTL: -1;
+
+  /* Using conic gradients to get a clear tip triangle */
+  --_bottom-tip: conic-gradient(
+      from -30deg at bottom,
+      #0000,
+      #000 1deg 60deg,
+      #0000 61deg
+    )
+    bottom / 100% 50% no-repeat;
+  --_top-tip: conic-gradient(
+      from 150deg at top,
+      #0000,
+      #000 1deg 60deg,
+      #0000 61deg
+    )
+    top / 100% 50% no-repeat;
+  --_right-tip: conic-gradient(
+      from -120deg at right,
+      #0000,
+      #000 1deg 60deg,
+      #0000 61deg
+    )
+    right / 50% 100% no-repeat;
+  --_left-tip: conic-gradient(
+      from 60deg at left,
+      #0000,
+      #000 1deg 60deg,
+      #0000 61deg
+    )
+    left / 50% 100% no-repeat;
+
+  pointer-events: none;
+  user-select: none;
+
+  /* The parts that will be transitioned */
+  opacity: 0;
+  transform: translate(var(--_x, 0), var(--_y, 0));
+  transition: transform 0.15s ease-out, opacity 0.11s ease-out;
+
+  position: absolute;
+  z-index: 1;
+  inline-size: max-content;
+  max-inline-size: 25ch;
+  text-align: start;
+  font-family: var(--mono-font-family);
+  text-transform: none;
+  font-size: 0.9rem;
+  font-weight: normal;
+  line-height: initial;
+  letter-spacing: 0;
+  padding: var(--_p-block) var(--_p-inline);
+  margin: 0;
+  border-radius: 3px;
+  background: var(--_bg);
+  @apply text-chalkboard-110;
+  will-change: filter;
+  filter: drop-shadow(0 1px 3px hsl(0 0% 0% / var(--_shadow-alpha)))
+    drop-shadow(0 6px 12px hsl(0 0% 0% / var(--_shadow-alpha)));
+}
+
+:global(.dark) .tooltip {
+  --_bg: var(--chalkboard-110);
+  @apply text-chalkboard-10;
+}
+
+/* TODO we don't support a light theme yet */
+/* @media (prefers-color-scheme: light) {
+  .tooltip {
+      --_bg: white;
+      --_shadow-alpha: 15%;
+  }
+} */
+
+.tooltip:dir(rtl) {
+  --isRTL: 1;
+}
+
+/* :has and :is are pretty fresh CSS pseudo-selectors, may not see full support */
+:has(> .tooltip) {
+  position: relative;
+}
+
+:is(:hover, :focus-visible, :active) > .tooltip {
+  opacity: 1;
+  transition-delay: var(--_delay);
+}
+
+:is(:focus, :focus-visible, :focus-within) > .tooltip {
+  --_delay: 0 !important;
+}
+
+/* prepend some prose for screen readers only */
+.tooltip::before {
+  content: '; Has tooltip: ';
+  clip: rect(1px, 1px, 1px, 1px);
+  clip-path: inset(50%);
+  height: 1px;
+  width: 1px;
+  margin: -1px;
+  overflow: hidden;
+  padding: 0;
+  position: absolute;
+}
+
+/* tooltip shape is a pseudo element so we can cast a shadow */
+.tooltip::after {
+  content: '';
+  background: var(--_bg);
+  position: absolute;
+  z-index: -1;
+  inset: 0;
+  mask: var(--_tip);
+}
+
+.tooltip.top,
+.tooltip.blockStart,
+.tooltip.bottom,
+.tooltip.blockEnd {
+  text-align: center;
+}
+
+/* TOP || BLOCK-START */
+.tooltip.top,
+.tooltip.blockStart {
+  inset-inline-start: 50%;
+  inset-block-end: calc(100% + var(--_p-block) + var(--_triangle-size));
+  --_x: calc(50% * var(--isRTL));
+}
+
+.tooltip.top::after,
+.tooltip.tooltip.blockStart::after {
+  --_tip: var(--_bottom-tip);
+  inset-block-end: calc(var(--_triangle-size) * -1);
+  border-block-end: var(--_triangle-size) solid transparent;
+}
+
+/* RIGHT || INLINE-END */
+.tooltip.right,
+.tooltip.inlineEnd {
+  inset-inline-start: calc(100% + var(--_p-inline) + var(--_triangle-size));
+  inset-block-end: 50%;
+  --_y: 50%;
+}
+
+.tooltip.right::after,
+.tooltip.tooltip.inlineEnd::after {
+  --_tip: var(--_left-tip);
+  inset-inline-start: calc(var(--_triangle-size) * -1);
+  border-inline-start: var(--_triangle-size) solid transparent;
+}
+
+.tooltip.right:dir(rtl)::after,
+.tooltip.inlineEnd:dir(rtl)::after {
+  --_tip: var(--_right-tip);
+}
+
+/* BOTTOM || BLOCK-END */
+.tooltip.bottom,
+.tooltip.blockEnd {
+  inset-inline-start: 50%;
+  inset-block-start: calc(100% + var(--_p-block) + var(--_triangle-size));
+  --_x: calc(50% * var(--isRTL));
+}
+
+.tooltip.bottom::after,
+.tooltip.tooltip.blockEnd::after {
+  --_tip: var(--_top-tip);
+  inset-block-start: calc(var(--_triangle-size) * -1);
+  border-block-start: var(--_triangle-size) solid transparent;
+}
+
+/* LEFT || INLINE-START */
+.tooltip.left,
+.tooltip.inlineStart {
+  inset-inline-end: calc(100% + var(--_p-inline) + var(--_triangle-size));
+  inset-block-end: 50%;
+  --_y: 50%;
+}
+
+.tooltip.left::after,
+.tooltip.tooltip.inlineStart::after {
+  --_tip: var(--_right-tip);
+  inset-inline-end: calc(var(--_triangle-size) * -1);
+  border-inline-end: var(--_triangle-size) solid transparent;
+}
+
+.tooltip.left:dir(rtl)::after,
+.tooltip.inlineStart:dir(rtl)::after {
+  --_tip: var(--_left-tip);
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  /* TOP || BLOCK-START */
+  :has(> :is(.tooltip.top, .tooltip.blockStart)):not(:hover, :active) .tooltip {
+    --_y: 3px;
+  }
+
+  /* RIGHT || INLINE-END */
+  :has(> :is(.tooltip.right, .tooltip.inlineEnd)):not(:hover, :active)
+    .tooltip {
+    --_x: calc(var(--isRTL) * -3px * -1);
+  }
+
+  /* BOTTOM || BLOCK-END */
+  :has(> :is(.tooltip.bottom, .tooltip.blockEnd)):not(:hover, :active)
+    .tooltip {
+    --_y: -3px;
+  }
+
+  /* BOTTOM || BLOCK-END */
+  :has(> :is(.tooltip.left, .tooltip.inlineStart)):not(:hover, :active)
+    .tooltip {
+    --_x: calc(var(--isRTL) * 3px * -1);
+  }
+}

src/components/Tooltip.tsx

@@ -0,0 +1,37 @@
+// We do use all the classes in this file currently, but we
+// index into them with styles[position], which CSS Modules doesn't pick up.
+// eslint-disable-next-line css-modules/no-unused-class
+import styles from './Tooltip.module.css'
+
+interface TooltipProps extends React.PropsWithChildren {
+  position?:
+    | 'top'
+    | 'bottom'
+    | 'left'
+    | 'right'
+    | 'blockStart'
+    | 'blockEnd'
+    | 'inlineStart'
+    | 'inlineEnd'
+  className?: string
+  delay?: number
+}
+
+export default function Tooltip({
+  children,
+  position = 'top',
+  className,
+  delay = 200,
+}: TooltipProps) {
+  return (
+    <div
+      // @ts-ignore while awaiting merge of this PR for support of "inert" https://github.com/DefinitelyTyped/DefinitelyTyped/pull/60822
+      inert="true"
+      role="tooltip"
+      className={styles.tooltip + ' ' + styles[position] + ' ' + className}
+      style={{ '--_delay': delay + 'ms' } as React.CSSProperties}
+    >
+      {children}
+    </div>
+  )
+}

src/components/UserSidebarMenu.test.tsx

@@ -1,6 +1,11 @@
 import { fireEvent, render, screen } from '@testing-library/react'
 import UserSidebarMenu from './UserSidebarMenu'
-import { BrowserRouter } from 'react-router-dom'
+import {
+  Route,
+  RouterProvider,
+  createMemoryRouter,
+  createRoutesFromElements,
+} from 'react-router-dom'
 import { Models } from '@kittycad/lib'
 import { GlobalStateProvider } from './GlobalStateProvider'
 import CommandBarProvider from './CommandBar'
@@ -93,11 +98,24 @@ describe('UserSidebarMenu tests', () => {
 
 function TestWrap({ children }: { children: React.ReactNode }) {
   // wrap in router and xState context
-  return (
-    <BrowserRouter>
+  // We have to use a memory router in the testing environment,
+  // and we have to use the createMemoryRouter function instead of <MemoryRouter /> as of react-router v6.4:
+  // https://reactrouter.com/en/6.16.0/routers/picking-a-router#using-v64-data-apis
+  const router = createMemoryRouter(
+    createRoutesFromElements(
+      <Route
+        path="/file/:id"
+        element={
           <CommandBarProvider>
             <GlobalStateProvider>{children}</GlobalStateProvider>
           </CommandBarProvider>
-    </BrowserRouter>
+        }
+      />
+    ),
+    {
+      initialEntries: ['/file/new'],
+      initialIndex: 0,
+    }
   )
+  return <RouterProvider router={router} />
 }

src/components/UserSidebarMenu.tsx

@@ -1,24 +1,28 @@
 import { Popover, Transition } from '@headlessui/react'
 import { ActionButton } from './ActionButton'
-import { faBars, faGear, faSignOutAlt } from '@fortawesome/free-solid-svg-icons'
+import {
+  faBars,
+  faBug,
+  faGear,
+  faSignOutAlt,
+} from '@fortawesome/free-solid-svg-icons'
 import { faGithub } from '@fortawesome/free-brands-svg-icons'
 import { useLocation, useNavigate } from 'react-router-dom'
 import { Fragment, useState } from 'react'
 import { paths } from '../Router'
-import makeUrlPathRelative from '../lib/makeUrlPathRelative'
 import { Models } from '@kittycad/lib'
 import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
+import { useAbsoluteFilePath } from 'hooks/useAbsoluteFilePath'
 
 type User = Models['User_type']
 
 const UserSidebarMenu = ({ user }: { user?: User }) => {
   const location = useLocation()
+  const filePath = useAbsoluteFilePath()
   const displayedName = getDisplayName(user)
   const [imageLoadFailed, setImageLoadFailed] = useState(false)
   const navigate = useNavigate()
-  const {
-    auth: { send },
-  } = useGlobalStateContext()
+  const send = useGlobalStateContext()?.auth?.send
 
   // Fallback logic for displaying user's "name":
   // 1. user.name
@@ -127,23 +131,30 @@ const UserSidebarMenu = ({ user }: { user?: User }) => {
                     // since /settings is a nested route the sidebar doesn't close
                     // automatically when navigating to it
                     close()
-                    navigate(
-                      (location.pathname.endsWith('/')
-                        ? location.pathname.slice(0, -1)
-                        : location.pathname) + paths.SETTINGS
-                    )
+                    const targetPath = location.pathname.includes(paths.FILE)
+                      ? filePath + paths.SETTINGS
+                      : paths.HOME + paths.SETTINGS
+                    navigate(targetPath)
                   }}
                 >
                   Settings
                 </ActionButton>
                 <ActionButton
-                  Element="link"
+                  Element="externalLink"
                   to="https://github.com/KittyCAD/modeling-app/discussions"
                   icon={{ icon: faGithub }}
                   className="border-transparent dark:border-transparent dark:hover:border-liquid-60"
                 >
                   Request a feature
                 </ActionButton>
+                <ActionButton
+                  Element="externalLink"
+                  to="https://github.com/KittyCAD/modeling-app/issues/new"
+                  icon={{ icon: faBug }}
+                  className="border-transparent dark:border-transparent dark:hover:border-liquid-60"
+                >
+                  Report a bug
+                </ActionButton>
                 <ActionButton
                   Element="button"
                   onClick={() => send('Log out')}

src/editor/lsp/client.ts

@@ -109,7 +109,6 @@ export default class Client extends jsrpc.JSONRPCServerAndClient {
         }
       }
       messageString += message
-      // console.log(messageString)
       return
     })
 

src/editor/lsp/language.ts

@@ -9,6 +9,7 @@ import { LanguageServerClient } from '.'
 import { kclPlugin } from './plugin'
 import type * as LSP from 'vscode-languageserver-protocol'
 import { parser as jsParser } from '@lezer/javascript'
+import { EditorState } from '@uiw/react-codemirror'
 
 const data = defineLanguageFacet({})
 
@@ -22,7 +23,25 @@ export default function kclLanguage(options: LanguageOptions): LanguageSupport {
   // For now let's use the javascript parser.
   // It works really well and has good syntax highlighting.
   // We can use our lsp for the rest.
-  const lang = new Language(data, jsParser, [], 'kcl')
+  const lang = new Language(
+    data,
+    jsParser,
+    [
+      EditorState.languageData.of(() => [
+        {
+          // https://codemirror.net/docs/ref/#commands.CommentTokens
+          commentTokens: {
+            line: '//',
+            block: {
+              open: '/*',
+              close: '*/',
+            },
+          },
+        },
+      ]),
+    ],
+    'kcl'
+  )
 
   // Create our supporting extension.
   const kclLsp = kclPlugin({

src/editor/lsp/plugin.ts

@@ -13,6 +13,7 @@ import {
   CompletionItemKind,
   CompletionTriggerKind,
 } from 'vscode-languageserver-protocol'
+import debounce from 'debounce-promise'
 
 import type {
   Completion,
@@ -53,14 +54,11 @@ export class LanguageServerPlugin implements PluginValue {
   private languageId: string
   private documentVersion: number
 
-  private changesTimeout: number
-
   constructor(private view: EditorView, private allowHTMLContent: boolean) {
     this.client = this.view.state.facet(client)
     this.documentUri = this.view.state.facet(documentUri)
     this.languageId = this.view.state.facet(languageId)
     this.documentVersion = 0
-    this.changesTimeout = 0
 
     this.client.attachPlugin(this)
 
@@ -71,12 +69,10 @@ export class LanguageServerPlugin implements PluginValue {
 
   update({ docChanged }: ViewUpdate) {
     if (!docChanged) return
-    if (this.changesTimeout) clearTimeout(this.changesTimeout)
-    this.changesTimeout = window.setTimeout(() => {
+
     this.sendChange({
       documentText: this.view.state.doc.toString(),
     })
-    }, changesDelay)
   }
 
   destroy() {
@@ -99,14 +95,32 @@ export class LanguageServerPlugin implements PluginValue {
 
   async sendChange({ documentText }: { documentText: string }) {
     if (!this.client.ready) return
+
+    if (documentText.length > 5000) {
+      // Clear out the text it thinks we have, large documents will throw a stack error.
+      // This is obviously not a good fix but it works for now til we figure
+      // out the stack limits in wasm and also rewrite the parser.
+      // Since this is only for hover and completions it will be fine,
+      // completions will still work for stdlib but hover will not.
+      // That seems like a fine trade-off for a working editor for the time
+      // being.
+      documentText = ''
+    }
+
     try {
-      await this.client.textDocumentDidChange({
+      debounce(
+        () => {
+          return this.client.textDocumentDidChange({
             textDocument: {
               uri: this.documentUri,
               version: this.documentVersion++,
             },
             contentChanges: [{ text: documentText }],
           })
+        },
+        changesDelay,
+        { leading: true }
+      )
     } catch (e) {
       console.error(e)
     }

src/env.ts

@@ -1,8 +1,5 @@
-// all web app environment variables are defined here, jest doesn't like import.meta.env so centralising them here
-// allows us to mock them in one place, see src/setupTests.ts, it pulls the variable names and valuse from .env.development
-// note the exported variable name must match the env var name for the jest mocks to work
-// i.e. const VITE_MY_VAR = import.meta.env.VITE_MY_VAR
-// Maybe this file should be generated in a GHA from .env.development?
+// env vars were centralised so they could be mocked in jest
+// but isn't needed anymore with vite, so is now just a convention
 
 export const VITE_KC_API_WS_MODELING_URL = import.meta.env
   .VITE_KC_API_WS_MODELING_URL
@@ -12,3 +9,4 @@ export const VITE_KC_CONNECTION_TIMEOUT_MS = import.meta.env
   .VITE_KC_CONNECTION_TIMEOUT_MS
 export const VITE_KC_SENTRY_DSN = import.meta.env.VITE_KC_SENTRY_DSN
 export const TEST = import.meta.env.TEST
+export const DEV = import.meta.env.DEV

src/hooks/useAbsoluteFilePath.ts

@@ -0,0 +1,12 @@
+import { BROWSER_FILE_NAME, IndexLoaderData, paths } from 'Router'
+import { useRouteLoaderData } from 'react-router-dom'
+
+export function useAbsoluteFilePath() {
+  const routeData = useRouteLoaderData(paths.FILE) as IndexLoaderData
+
+  return (
+    paths.FILE +
+    '/' +
+    encodeURIComponent(routeData?.project?.path || BROWSER_FILE_NAME)
+  )
+}

src/hooks/useAppMode.ts

@@ -1,297 +0,0 @@
-// needed somewhere to dump this logic,
-// Once we have xState this should be removed
-
-import { useStore, Selections } from 'useStore'
-import { useEffect, useState } from 'react'
-import { v4 as uuidv4 } from 'uuid'
-import { ArtifactMap, EngineCommandManager } from 'lang/std/engineConnection'
-import { Models } from '@kittycad/lib/dist/types/src'
-import { isReducedMotion } from 'lang/util'
-import { isOverlap } from 'lib/utils'
-
-interface DefaultPlanes {
-  xy: string
-  // TODO re-enable
-  // yz: string
-  // xz: string
-}
-
-export function useAppMode() {
-  const {
-    guiMode,
-    setGuiMode,
-    selectionRanges,
-    engineCommandManager,
-    selectionRangeTypeMap,
-  } = useStore((s) => ({
-    guiMode: s.guiMode,
-    setGuiMode: s.setGuiMode,
-    selectionRanges: s.selectionRanges,
-    engineCommandManager: s.engineCommandManager,
-    selectionRangeTypeMap: s.selectionRangeTypeMap,
-  }))
-  const [defaultPlanes, setDefaultPlanes] = useState<DefaultPlanes | null>(null)
-  useEffect(() => {
-    if (
-      guiMode.mode === 'sketch' &&
-      guiMode.sketchMode === 'selectFace' &&
-      engineCommandManager
-    ) {
-      const createAndShowPlanes = async () => {
-        let localDefaultPlanes: DefaultPlanes
-        if (!defaultPlanes) {
-          localDefaultPlanes = await initDefaultPlanes(engineCommandManager)
-          setDefaultPlanes(localDefaultPlanes)
-        } else {
-          localDefaultPlanes = defaultPlanes
-        }
-        setDefaultPlanesHidden(engineCommandManager, localDefaultPlanes, false)
-      }
-      createAndShowPlanes()
-    }
-    if (
-      guiMode.mode === 'sketch' &&
-      guiMode.sketchMode === 'enterSketchEdit' &&
-      engineCommandManager
-    ) {
-      const enableSketchMode = async () => {
-        let localDefaultPlanes: DefaultPlanes
-        if (!defaultPlanes) {
-          localDefaultPlanes = await initDefaultPlanes(engineCommandManager)
-          setDefaultPlanes(localDefaultPlanes)
-        } else {
-          localDefaultPlanes = defaultPlanes
-        }
-        setDefaultPlanesHidden(engineCommandManager, localDefaultPlanes, true)
-        // TODO figure out the plane to use based on the sketch
-        // maybe it's easier to make a new plane than rely on the defaults
-        await engineCommandManager?.sendSceneCommand({
-          type: 'modeling_cmd_req',
-          cmd_id: uuidv4(),
-          cmd: {
-            type: 'sketch_mode_enable',
-            plane_id: localDefaultPlanes.xy,
-            ortho: true,
-            animated: !isReducedMotion(),
-          },
-        })
-        const proms: any[] = []
-        proms.push(
-          engineCommandManager.sendSceneCommand({
-            type: 'modeling_cmd_req',
-            cmd_id: uuidv4(),
-            cmd: {
-              type: 'edit_mode_enter',
-              target: guiMode.pathId,
-            },
-          })
-        )
-        await Promise.all(proms)
-      }
-      enableSketchMode()
-      setGuiMode({
-        ...guiMode,
-        sketchMode: 'sketchEdit',
-      })
-    }
-    if (guiMode.mode !== 'sketch' && defaultPlanes) {
-      setDefaultPlanesHidden(engineCommandManager, defaultPlanes, true)
-    }
-    if (guiMode.mode === 'default') {
-      const pathId =
-        engineCommandManager &&
-        isCursorInSketchCommandRange(
-          engineCommandManager.artifactMap,
-          selectionRanges
-        )
-      if (pathId) {
-        setGuiMode({
-          mode: 'canEditSketch',
-          rotation: [0, 0, 0, 1],
-          position: [0, 0, 0],
-          pathToNode: [],
-          pathId,
-        })
-      }
-    } else if (guiMode.mode === 'canEditSketch') {
-      if (
-        !engineCommandManager ||
-        !isCursorInSketchCommandRange(
-          engineCommandManager.artifactMap,
-          selectionRanges
-        )
-      ) {
-        setGuiMode({
-          mode: 'default',
-        })
-      }
-    }
-  }, [
-    guiMode,
-    guiMode.mode,
-    engineCommandManager,
-    selectionRanges,
-    selectionRangeTypeMap,
-  ])
-
-  useEffect(() => {
-    const unSub = engineCommandManager?.subscribeTo({
-      event: 'select_with_point',
-      callback: async ({ data }) => {
-        if (!data.entity_id) return
-        if (!defaultPlanes) return
-        if (!Object.values(defaultPlanes || {}).includes(data.entity_id)) {
-          // user clicked something else in the scene
-          return
-        }
-        const sketchModeResponse = await engineCommandManager?.sendSceneCommand(
-          {
-            type: 'modeling_cmd_req',
-            cmd_id: uuidv4(),
-            cmd: {
-              type: 'sketch_mode_enable',
-              plane_id: data.entity_id,
-              ortho: true,
-              animated: !isReducedMotion(),
-            },
-          }
-        )
-        setDefaultPlanesHidden(engineCommandManager, defaultPlanes, true)
-        const sketchUuid = uuidv4()
-        const proms: any[] = []
-        proms.push(
-          engineCommandManager.sendSceneCommand({
-            type: 'modeling_cmd_req',
-            cmd_id: sketchUuid,
-            cmd: {
-              type: 'start_path',
-            },
-          })
-        )
-        proms.push(
-          engineCommandManager.sendSceneCommand({
-            type: 'modeling_cmd_req',
-            cmd_id: uuidv4(),
-            cmd: {
-              type: 'edit_mode_enter',
-              target: sketchUuid,
-            },
-          })
-        )
-        const res = await Promise.all(proms)
-        console.log('res', res)
-        setGuiMode({
-          mode: 'sketch',
-          sketchMode: 'sketchEdit',
-          rotation: [0, 0, 0, 1],
-          position: [0, 0, 0],
-          pathToNode: [],
-          pathId: sketchUuid,
-        })
-
-        console.log('sketchModeResponse', sketchModeResponse)
-      },
-    })
-    return unSub
-  }, [engineCommandManager, defaultPlanes])
-}
-
-async function createPlane(
-  engineCommandManager: EngineCommandManager,
-  {
-    x_axis,
-    y_axis,
-    color,
-  }: {
-    x_axis: Models['Point3d_type']
-    y_axis: Models['Point3d_type']
-    color: Models['Color_type']
-  }
-) {
-  const planeId = uuidv4()
-  await engineCommandManager?.sendSceneCommand({
-    type: 'modeling_cmd_req',
-    cmd: {
-      type: 'make_plane',
-      size: 60,
-      origin: { x: 0, y: 0, z: 0 },
-      x_axis,
-      y_axis,
-      clobber: false,
-    },
-    cmd_id: planeId,
-  })
-  await engineCommandManager?.sendSceneCommand({
-    type: 'modeling_cmd_req',
-    cmd: {
-      type: 'plane_set_color',
-      plane_id: planeId,
-      color,
-    },
-    cmd_id: uuidv4(),
-  })
-  return planeId
-}
-
-function setDefaultPlanesHidden(
-  engineCommandManager: EngineCommandManager | undefined,
-  defaultPlanes: DefaultPlanes,
-  hidden: boolean
-) {
-  Object.values(defaultPlanes).forEach((planeId) => {
-    engineCommandManager?.sendSceneCommand({
-      type: 'modeling_cmd_req',
-      cmd_id: uuidv4(),
-      cmd: {
-        type: 'object_visible',
-        object_id: planeId,
-        hidden: hidden,
-      },
-    })
-  })
-}
-
-async function initDefaultPlanes(
-  engineCommandManager: EngineCommandManager
-): Promise<DefaultPlanes> {
-  const xy = await createPlane(engineCommandManager, {
-    x_axis: { x: 1, y: 0, z: 0 },
-    y_axis: { x: 0, y: 1, z: 0 },
-    color: { r: 0.7, g: 0.28, b: 0.28, a: 0.4 },
-  })
-  // TODO re-enable
-  // const yz = createPlane(engineCommandManager, {
-  //   x_axis: { x: 0, y: 1, z: 0 },
-  //   y_axis: { x: 0, y: 0, z: 1 },
-  //   color: { r: 0.28, g: 0.7, b: 0.28, a: 0.4 },
-  // })
-  // const xz = createPlane(engineCommandManager, {
-  //   x_axis: { x: 1, y: 0, z: 0 },
-  //   y_axis: { x: 0, y: 0, z: 1 },
-  //   color: { r: 0.28, g: 0.28, b: 0.7, a: 0.4 },
-  // })
-  return { xy }
-}
-
-function isCursorInSketchCommandRange(
-  artifactMap: ArtifactMap,
-  selectionRanges: Selections
-): string | false {
-  const overlapingEntries = Object.entries(artifactMap || {}).filter(
-    ([id, artifact]) =>
-      selectionRanges.codeBasedSelections.some(
-        (selection) =>
-          Array.isArray(selection?.range) &&
-          Array.isArray(artifact?.range) &&
-          isOverlap(selection.range, artifact.range) &&
-          (artifact.commandType === 'start_path' ||
-            artifact.commandType === 'extend_path' ||
-            artifact.commandType === 'close_path')
-      )
-  )
-  return overlapingEntries.length && overlapingEntries[0][1].parentId
-    ? overlapingEntries[0][1].parentId
-    : overlapingEntries.find(
-        ([, artifact]) => artifact.commandType === 'start_path'
-      )?.[0] || false
-}

src/hooks/useEngineConnectionSubscriptions.ts

@@ -1,18 +1,23 @@
 import { useEffect } from 'react'
 import { useStore } from 'useStore'
+import { engineCommandManager } from '../lang/std/engineConnection'
+import { useModelingContext } from './useModelingContext'
+import { v4 as uuidv4 } from 'uuid'
+import { SourceRange } from 'lang/wasm'
+import { getEventForSelectWithPoint } from 'lib/selections'
 
 export function useEngineConnectionSubscriptions() {
-  const {
-    engineCommandManager,
-    setCursor2,
-    setHighlightRange,
-    highlightRange,
-  } = useStore((s) => ({
-    engineCommandManager: s.engineCommandManager,
-    setCursor2: s.setCursor2,
+  const { setHighlightRange, highlightRange } = useStore((s) => ({
     setHighlightRange: s.setHighlightRange,
     highlightRange: s.highlightRange,
   }))
+  const { send, context } = useModelingContext()
+
+  interface RangeAndId {
+    id: string
+    range: SourceRange
+  }
+
   useEffect(() => {
     if (!engineCommandManager) return
 
@@ -21,7 +26,7 @@ export function useEngineConnectionSubscriptions() {
       callback: ({ data }) => {
         if (data?.entity_id) {
           const sourceRange =
-            engineCommandManager.sourceRangeMap[data.entity_id]
+            engineCommandManager.artifactMap?.[data.entity_id]?.range
           setHighlightRange(sourceRange)
         } else if (
           !highlightRange ||
@@ -33,18 +38,21 @@ export function useEngineConnectionSubscriptions() {
     })
     const unSubClick = engineCommandManager.subscribeTo({
       event: 'select_with_point',
-      callback: ({ data }) => {
-        if (!data?.entity_id) {
-          setCursor2()
-          return
-        }
-        const sourceRange = engineCommandManager.sourceRangeMap[data.entity_id]
-        setCursor2({ range: sourceRange, type: 'default' })
+      callback: async (engineEvent) => {
+        const event = await getEventForSelectWithPoint(engineEvent, {
+          sketchEnginePathId: context.sketchEnginePathId,
+        })
+        send(event)
       },
     })
     return () => {
       unSubHover()
       unSubClick()
     }
-  }, [engineCommandManager, setCursor2, setHighlightRange, highlightRange])
+  }, [
+    engineCommandManager,
+    setHighlightRange,
+    highlightRange,
+    context.sketchEnginePathId,
+  ])
 }

src/hooks/useFileContext.ts

@@ -0,0 +1,6 @@
+import { FileContext } from 'components/FileMachineProvider'
+import { useContext } from 'react'
+
+export const useFileContext = () => {
+  return useContext(FileContext)
+}

src/hooks/useModelingContext.ts

@@ -0,0 +1,6 @@
+import { ModelingMachineContext } from 'components/ModelingMachineProvider'
+import { useContext } from 'react'
+
+export const useModelingContext = () => {
+  return useContext(ModelingMachineContext)
+}

src/hooks/useSetupEngineManager.ts

@@ -1,53 +1,94 @@
-import { useLayoutEffect } from 'react'
-import { _executor } from '../lang/executor'
+import { useLayoutEffect, useEffect, useRef } from 'react'
+import { _executor, parse } from '../lang/wasm'
 import { useStore } from '../useStore'
-import { EngineCommandManager } from '../lang/std/engineConnection'
+import { engineCommandManager } from '../lang/std/engineConnection'
+import { deferExecution } from 'lib/utils'
+import { kclManager } from 'lang/KclSinglton'
 
 export function useSetupEngineManager(
   streamRef: React.RefObject<HTMLDivElement>,
   token?: string
 ) {
   const {
-    setEngineCommandManager,
     setMediaStream,
     setIsStreamReady,
     setStreamDimensions,
-    executeCode,
+    streamDimensions,
   } = useStore((s) => ({
-    setEngineCommandManager: s.setEngineCommandManager,
     setMediaStream: s.setMediaStream,
     setIsStreamReady: s.setIsStreamReady,
     setStreamDimensions: s.setStreamDimensions,
-    executeCode: s.executeCode,
+    streamDimensions: s.streamDimensions,
   }))
 
   const streamWidth = streamRef?.current?.offsetWidth
   const streamHeight = streamRef?.current?.offsetHeight
 
-  const width = streamWidth ? streamWidth : 0
-  const quadWidth = Math.round(width / 4) * 4
-  const height = streamHeight ? streamHeight : 0
-  const quadHeight = Math.round(height / 4) * 4
+  const hasSetNonZeroDimensions = useRef<boolean>(false)
+
+  useEffect(() => {
+    kclManager.executeCode()
+  }, [])
 
   useLayoutEffect(() => {
-    setStreamDimensions({
-      streamWidth: quadWidth,
-      streamHeight: quadHeight,
-    })
-    if (!width || !height) return
-    const eng = new EngineCommandManager({
+    // Load the engine command manager once with the initial width and height,
+    // then we do not want to reload it.
+    const { width: quadWidth, height: quadHeight } = getDimensions(
+      streamWidth,
+      streamHeight
+    )
+    if (!hasSetNonZeroDimensions.current && quadHeight && quadWidth) {
+      engineCommandManager.start({
         setMediaStream,
         setIsStreamReady,
         width: quadWidth,
         height: quadHeight,
+        executeCode: (code?: string) => {
+          const _ast = parse(code || kclManager.code)
+          return kclManager.executeAst(_ast, true)
+        },
         token,
       })
-    setEngineCommandManager(eng)
-    eng.waitForReady.then(() => {
-      executeCode()
+      setStreamDimensions({
+        streamWidth: quadWidth,
+        streamHeight: quadHeight,
       })
-    return () => {
-      eng?.tearDown()
+      hasSetNonZeroDimensions.current = true
     }
-  }, [quadWidth, quadHeight])
+  }, [streamRef?.current?.offsetWidth, streamRef?.current?.offsetHeight])
+
+  useEffect(() => {
+    const handleResize = deferExecution(() => {
+      const { width, height } = getDimensions(
+        streamRef?.current?.offsetWidth,
+        streamRef?.current?.offsetHeight
+      )
+      if (
+        streamDimensions.streamWidth !== width ||
+        streamDimensions.streamHeight !== height
+      ) {
+        engineCommandManager.handleResize({
+          streamWidth: width,
+          streamHeight: height,
+        })
+        setStreamDimensions({
+          streamWidth: width,
+          streamHeight: height,
+        })
+      }
+    }, 500)
+
+    window.addEventListener('resize', handleResize)
+    return () => {
+      window.removeEventListener('resize', handleResize)
+    }
+  }, [])
+}
+
+function getDimensions(streamWidth?: number, streamHeight?: number) {
+  const width = streamWidth ? streamWidth : 0
+  const quadWidth = Math.round(width / 4) * 4
+  const height = streamHeight ? streamHeight : 0
+  const quadHeight = Math.round(height / 4) * 4
+  return { width: quadWidth, height: quadHeight }
 }

src/hooks/useToolbarGuards.ts

@@ -1,54 +1,47 @@
-import { SetVarNameModal } from 'components/SetVarNameModal'
+import {
+  SetVarNameModal,
+  createSetVarNameModal,
+} from 'components/SetVarNameModal'
+import { kclManager } from 'lang/KclSinglton'
 import { moveValueIntoNewVariable } from 'lang/modifyAst'
 import { isNodeSafeToReplace } from 'lang/queryAst'
 import { useEffect, useState } from 'react'
-import { create } from 'react-modal-promise'
-import { useStore } from 'useStore'
+import { useModelingContext } from './useModelingContext'
 
-const getModalInfo = create(SetVarNameModal as any)
+const getModalInfo = createSetVarNameModal(SetVarNameModal)
 
 export function useConvertToVariable() {
-  const { guiMode, selectionRanges, ast, programMemory, updateAst } = useStore(
-    (s) => ({
-      guiMode: s.guiMode,
-      ast: s.ast,
-      updateAst: s.updateAst,
-      selectionRanges: s.selectionRanges,
-      programMemory: s.programMemory,
-    })
-  )
+  const { context } = useModelingContext()
   const [enable, setEnabled] = useState(false)
   useEffect(() => {
-    if (!ast) return
-
     const { isSafe, value } = isNodeSafeToReplace(
-      ast,
-      selectionRanges.codeBasedSelections?.[0]?.range || []
+      kclManager.ast,
+      context.selectionRanges.codeBasedSelections?.[0]?.range || []
     )
     const canReplace = isSafe && value.type !== 'Identifier'
-    const isOnlyOneSelection = selectionRanges.codeBasedSelections.length === 1
+    const isOnlyOneSelection =
+      context.selectionRanges.codeBasedSelections.length === 1
 
     const _enableHorz = canReplace && isOnlyOneSelection
     setEnabled(_enableHorz)
-  }, [guiMode, selectionRanges])
+  }, [context.selectionRanges])
 
   const handleClick = async () => {
-    if (!ast) return
     try {
       const { variableName } = await getModalInfo({
         valueName: 'var',
-      } as any)
+      })
 
       const { modifiedAst: _modifiedAst } = moveValueIntoNewVariable(
-        ast,
-        programMemory,
-        selectionRanges.codeBasedSelections[0].range,
+        kclManager.ast,
+        kclManager.programMemory,
+        context.selectionRanges.codeBasedSelections[0].range,
         variableName
       )
 
-      updateAst(_modifiedAst, true)
+      kclManager.updateAst(_modifiedAst, true)
     } catch (e) {
-      console.log('e', e)
+      console.log('error', e)
     }
   }
 

src/index.tsx

@@ -4,6 +4,13 @@ import reportWebVitals from './reportWebVitals'
 import { Toaster } from 'react-hot-toast'
 import { Router } from './Router'
 import { HotkeysProvider } from 'react-hotkeys-hook'
+import { inspect } from '@xstate/inspect'
+import { DEV } from 'env'
+
+if (DEV)
+  inspect({
+    iframe: false,
+  })
 
 const root = ReactDOM.createRoot(document.getElementById('root') as HTMLElement)
 

src/lang/KclSinglton.tsx

@@ -0,0 +1,354 @@
+import { executeAst, executeCode } from 'useStore'
+import { Selections } from 'lib/selections'
+import { KCLError } from './errors'
+import {
+  EngineCommandManager,
+  engineCommandManager,
+} from './std/engineConnection'
+import { deferExecution } from 'lib/utils'
+import {
+  initPromise,
+  parse,
+  PathToNode,
+  Program,
+  ProgramMemory,
+  recast,
+} from 'lang/wasm'
+import { bracket } from 'lib/exampleKcl'
+import { createContext, useContext, useEffect, useState } from 'react'
+import { getNodeFromPath } from './queryAst'
+import { IndexLoaderData } from 'Router'
+import { useLoaderData } from 'react-router-dom'
+
+const PERSIST_CODE_TOKEN = 'persistCode'
+
+class KclManager {
+  private _code = bracket
+  private _ast: Program = {
+    body: [],
+    start: 0,
+    end: 0,
+    nonCodeMeta: {
+      nonCodeNodes: {},
+      start: [],
+    },
+  }
+  private _programMemory: ProgramMemory = {
+    root: {},
+    return: null,
+  }
+  private _logs: string[] = []
+  private _kclErrors: KCLError[] = []
+  private _isExecuting = false
+
+  engineCommandManager: EngineCommandManager
+  private _defferer = deferExecution((code: string) => {
+    const ast = parse(code)
+    this.executeAst(ast)
+  }, 600)
+
+  private _isExecutingCallback: (a: boolean) => void = () => {}
+  private _codeCallBack: (arg: string) => void = () => {}
+  private _astCallBack: (arg: Program) => void = () => {}
+  private _programMemoryCallBack: (arg: ProgramMemory) => void = () => {}
+  private _logsCallBack: (arg: string[]) => void = () => {}
+  private _kclErrorsCallBack: (arg: KCLError[]) => void = () => {}
+
+  get ast() {
+    return this._ast
+  }
+  set ast(ast) {
+    this._ast = ast
+    this._astCallBack(ast)
+  }
+
+  get code() {
+    return this._code
+  }
+  set code(code) {
+    this._code = code
+    this._codeCallBack(code)
+  }
+
+  get programMemory() {
+    return this._programMemory
+  }
+  set programMemory(programMemory) {
+    this._programMemory = programMemory
+    this._programMemoryCallBack(programMemory)
+  }
+
+  get defaultPlanes() {
+    return this?.engineCommandManager?.defaultPlanes
+  }
+
+  get logs() {
+    return this._logs
+  }
+  set logs(logs) {
+    this._logs = logs
+    this._logsCallBack(logs)
+  }
+
+  get kclErrors() {
+    return this._kclErrors
+  }
+  set kclErrors(kclErrors) {
+    this._kclErrors = kclErrors
+    this._kclErrorsCallBack(kclErrors)
+  }
+
+  get isExecuting() {
+    return this._isExecuting
+  }
+  set isExecuting(isExecuting) {
+    this._isExecuting = isExecuting
+    this._isExecutingCallback(isExecuting)
+  }
+
+  constructor(engineCommandManager: EngineCommandManager) {
+    this.engineCommandManager = engineCommandManager
+    const storedCode = localStorage.getItem(PERSIST_CODE_TOKEN)
+    // TODO #819 remove zustand persistance logic in a few months
+    // short term migration, shouldn't make a difference for tauri app users
+    // anyway since that's filesystem based.
+    const zustandStore = JSON.parse(localStorage.getItem('store') || '{}')
+    if (storedCode === null && zustandStore?.state?.code) {
+      this.code = zustandStore.state.code
+      localStorage.setItem(PERSIST_CODE_TOKEN, this._code)
+      zustandStore.state.code = ''
+      localStorage.setItem('store', JSON.stringify(zustandStore))
+    } else if (storedCode === null) {
+      this.code = bracket
+    } else {
+      this.code = storedCode
+    }
+  }
+  registerCallBacks({
+    setCode,
+    setProgramMemory,
+    setAst,
+    setLogs,
+    setKclErrors,
+    setIsExecuting,
+  }: {
+    setCode: (arg: string) => void
+    setProgramMemory: (arg: ProgramMemory) => void
+    setAst: (arg: Program) => void
+    setLogs: (arg: string[]) => void
+    setKclErrors: (arg: KCLError[]) => void
+    setIsExecuting: (arg: boolean) => void
+  }) {
+    this._codeCallBack = setCode
+    this._programMemoryCallBack = setProgramMemory
+    this._astCallBack = setAst
+    this._logsCallBack = setLogs
+    this._kclErrorsCallBack = setKclErrors
+    this._isExecutingCallback = setIsExecuting
+  }
+
+  async executeAst(ast: Program = this._ast, updateCode = false) {
+    this.isExecuting = true
+    await initPromise
+    const { logs, errors, programMemory } = await executeAst({
+      ast,
+      engineCommandManager: this.engineCommandManager,
+      defaultPlanes: this.defaultPlanes,
+    })
+    this.isExecuting = false
+    this._logs = logs
+    this._kclErrors = errors
+    this._programMemory = programMemory
+    this._ast = { ...ast }
+    if (updateCode) {
+      this._code = recast(ast)
+      this._codeCallBack(this._code)
+    }
+  }
+  async executeAstMock(ast: Program = this._ast, updateCode = false) {
+    await initPromise
+    const newCode = recast(ast)
+    const newAst = parse(newCode)
+    await this?.engineCommandManager?.waitForReady
+    if (updateCode) {
+      this.setCode(recast(ast))
+    }
+    this._ast = { ...newAst }
+
+    const { logs, errors, programMemory } = await executeAst({
+      ast: newAst,
+      engineCommandManager: this.engineCommandManager,
+      defaultPlanes: this.defaultPlanes,
+      useFakeExecutor: true,
+    })
+    this._logs = logs
+    this._kclErrors = errors
+    this._programMemory = programMemory
+  }
+  async executeCode(code?: string) {
+    await initPromise
+    await this?.engineCommandManager?.waitForReady
+    if (!this?.engineCommandManager?.planesInitialized()) return
+    const result = await executeCode({
+      engineCommandManager,
+      code: code || this._code,
+      lastAst: this._ast,
+      defaultPlanes: this.defaultPlanes,
+      force: false,
+    })
+    if (!result.isChange) return
+    const { logs, errors, programMemory, ast } = result
+    this.logs = logs
+    this.kclErrors = errors
+    this.programMemory = programMemory
+    this.ast = ast
+    if (code) this.code = code
+  }
+  setCode(code: string) {
+    this._code = code
+    this._codeCallBack(code)
+    localStorage.setItem(PERSIST_CODE_TOKEN, code)
+  }
+  setCodeAndExecute(code: string) {
+    this.setCode(code)
+    if (code.trim()) {
+      this._defferer(code)
+      return
+    }
+    this._ast = {
+      body: [],
+      start: 0,
+      end: 0,
+      nonCodeMeta: {
+        nonCodeNodes: {},
+        start: [],
+      },
+    }
+    this._programMemory = {
+      root: {},
+      return: null,
+    }
+    this.engineCommandManager.endSession()
+  }
+  format() {
+    this.code = recast(parse(kclManager.code))
+  }
+  // There's overlapping resposibility between updateAst and executeAst.
+  // updateAst was added as it was used a lot before xState migration so makes the port easier.
+  // but should probably have think about which of the function to keep
+  async updateAst(
+    ast: Program,
+    execute: boolean,
+    optionalParams?: {
+      focusPath?: PathToNode
+      callBack?: (ast: Program) => void
+    }
+  ): Promise<Selections | null> {
+    const newCode = recast(ast)
+    const astWithUpdatedSource = parse(newCode)
+    optionalParams?.callBack?.(astWithUpdatedSource)
+    let returnVal: Selections | null = null
+
+    this.code = newCode
+    if (optionalParams?.focusPath) {
+      const { node } = getNodeFromPath<any>(
+        astWithUpdatedSource,
+        optionalParams?.focusPath
+      )
+      const { start, end } = node
+      if (!start || !end) return null
+      returnVal = {
+        codeBasedSelections: [
+          {
+            type: 'default',
+            range: [start, end],
+          },
+        ],
+        otherSelections: [],
+      }
+    }
+
+    if (execute) {
+      // Call execute on the set ast.
+      await this.executeAst(astWithUpdatedSource)
+    } else {
+      // When we don't re-execute, we still want to update the program
+      // memory with the new ast. So we will hit the mock executor
+      // instead.
+      await this.executeAstMock(astWithUpdatedSource)
+    }
+    return returnVal
+  }
+
+  getPlaneId(axis: 'xy' | 'xz' | 'yz'): string {
+    return this.defaultPlanes[axis]
+  }
+
+  showPlanes() {
+    this.engineCommandManager.setPlaneHidden(this.defaultPlanes.xy, false)
+    this.engineCommandManager.setPlaneHidden(this.defaultPlanes.yz, false)
+    this.engineCommandManager.setPlaneHidden(this.defaultPlanes.xz, false)
+  }
+
+  hidePlanes() {
+    this.engineCommandManager.setPlaneHidden(this.defaultPlanes.xy, true)
+    this.engineCommandManager.setPlaneHidden(this.defaultPlanes.yz, true)
+    this.engineCommandManager.setPlaneHidden(this.defaultPlanes.xz, true)
+  }
+}
+
+export const kclManager = new KclManager(engineCommandManager)
+
+const KclContext = createContext({
+  code: kclManager.code,
+  programMemory: kclManager.programMemory,
+  ast: kclManager.ast,
+  isExecuting: kclManager.isExecuting,
+  errors: kclManager.kclErrors,
+  logs: kclManager.logs,
+})
+
+export function useKclContext() {
+  return useContext(KclContext)
+}
+
+export function KclContextProvider({
+  children,
+}: {
+  children: React.ReactNode
+}) {
+  // If we try to use this component anywhere but under the paths.FILE route it will fail
+  // Because useLoaderData assumes we are on within it's context.
+  const { code: loadedCode } = useLoaderData() as IndexLoaderData
+  const [code, setCode] = useState(loadedCode || kclManager.code)
+  const [programMemory, setProgramMemory] = useState(kclManager.programMemory)
+  const [ast, setAst] = useState(kclManager.ast)
+  const [isExecuting, setIsExecuting] = useState(false)
+  const [errors, setErrors] = useState<KCLError[]>([])
+  const [logs, setLogs] = useState<string[]>([])
+
+  useEffect(() => {
+    kclManager.registerCallBacks({
+      setCode,
+      setProgramMemory,
+      setAst,
+      setLogs,
+      setKclErrors: setErrors,
+      setIsExecuting,
+    })
+  }, [])
+  return (
+    <KclContext.Provider
+      value={{
+        code,
+        programMemory,
+        ast,
+        isExecuting,
+        errors,
+        logs,
+      }}
+    >
+      {children}
+    </KclContext.Provider>
+  )
+}

src/lang/abstractSyntaxTree.test.ts

@@ -1,12 +1,11 @@
-import { parser_wasm } from './abstractSyntaxTree'
 import { KCLError } from './errors'
-import { initPromise } from './rust'
+import { initPromise, parse } from './wasm'
 
 beforeAll(() => initPromise)
 
 describe('testing AST', () => {
   test('5 + 6', () => {
-    const result = parser_wasm('5 +6')
+    const result = parse('5 +6')
     delete (result as any).nonCodeMeta
     expect(result.body).toEqual([
       {
@@ -37,7 +36,7 @@ describe('testing AST', () => {
     ])
   })
   test('const myVar = 5', () => {
-    const { body } = parser_wasm('const myVar = 5')
+    const { body } = parse('const myVar = 5')
     expect(body).toEqual([
       {
         type: 'VariableDeclaration',
@@ -71,7 +70,7 @@ describe('testing AST', () => {
     const code = `const myVar = 5
 const newVar = myVar + 1
 `
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect(body).toEqual([
       {
         type: 'VariableDeclaration',
@@ -142,44 +141,8 @@ const newVar = myVar + 1
 })
 
 describe('testing function declaration', () => {
-  test('fn funcN = () => {}', () => {
-    const { body } = parser_wasm('fn funcN = () => {}')
-    delete (body[0] as any).declarations[0].init.body.nonCodeMeta
-    expect(body).toEqual([
-      {
-        type: 'VariableDeclaration',
-        start: 0,
-        end: 19,
-        kind: 'fn',
-        declarations: [
-          {
-            type: 'VariableDeclarator',
-            start: 3,
-            end: 19,
-            id: {
-              type: 'Identifier',
-              start: 3,
-              end: 8,
-              name: 'funcN',
-            },
-            init: {
-              type: 'FunctionExpression',
-              start: 11,
-              end: 19,
-              params: [],
-              body: {
-                start: 17,
-                end: 19,
-                body: [],
-              },
-            },
-          },
-        ],
-      },
-    ])
-  })
   test('fn funcN = (a, b) => {return a + b}', () => {
-    const { body } = parser_wasm(
+    const { body } = parse(
       ['fn funcN = (a, b) => {', '  return a + b', '}'].join('\n')
     )
     delete (body[0] as any).declarations[0].init.body.nonCodeMeta
@@ -256,7 +219,7 @@ describe('testing function declaration', () => {
   test('call expression assignment', () => {
     const code = `fn funcN = (a, b) => { return a + b }
 const myVar = funcN(1, 2)`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     delete (body[0] as any).declarations[0].init.body.nonCodeMeta
     expect(body).toEqual([
       {
@@ -388,7 +351,7 @@ describe('testing pipe operator special', () => {
   |> lineTo([1, 1], %)
   |> rx(45, %)
 `
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     delete (body[0] as any).declarations[0].init.nonCodeMeta
     expect(body).toEqual([
       {
@@ -404,7 +367,7 @@ describe('testing pipe operator special', () => {
             id: { type: 'Identifier', start: 6, end: 14, name: 'mySketch' },
             init: {
               type: 'PipeExpression',
-              start: 15,
+              start: 17,
               end: 145,
               body: [
                 {
@@ -624,7 +587,7 @@ describe('testing pipe operator special', () => {
   })
   test('pipe operator with binary expression', () => {
     let code = `const myVar = 5 + 6 |> myFunc(45, %)`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     delete (body as any)[0].declarations[0].init.nonCodeMeta
     expect(body).toEqual([
       {
@@ -645,7 +608,7 @@ describe('testing pipe operator special', () => {
             },
             init: {
               type: 'PipeExpression',
-              start: 12,
+              start: 14,
               end: 36,
               body: [
                 {
@@ -706,7 +669,7 @@ describe('testing pipe operator special', () => {
   })
   test('array expression', () => {
     let code = `const yo = [1, '2', three, 4 + 5]`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect(body).toEqual([
       {
         type: 'VariableDeclaration',
@@ -781,7 +744,7 @@ describe('testing pipe operator special', () => {
       'const three = 3',
       "const yo = {aStr: 'str', anum: 2, identifier: three, binExp: 4 + 5}",
     ].join('\n')
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect(body).toEqual([
       {
         type: 'VariableDeclaration',
@@ -925,7 +888,7 @@ describe('testing pipe operator special', () => {
     const code = `const yo = {key: {
   key2: 'value'
 }}`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect(body).toEqual([
       {
         type: 'VariableDeclaration',
@@ -993,7 +956,7 @@ describe('testing pipe operator special', () => {
   })
   test('object expression with array ast', () => {
     const code = `const yo = {key: [1, '2']}`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect(body).toEqual([
       {
         type: 'VariableDeclaration',
@@ -1057,7 +1020,7 @@ describe('testing pipe operator special', () => {
   })
   test('object memberExpression simple', () => {
     const code = `const prop = yo.one.two`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect(body).toEqual([
       {
         type: 'VariableDeclaration',
@@ -1112,7 +1075,7 @@ describe('testing pipe operator special', () => {
   })
   test('object memberExpression with square braces', () => {
     const code = `const prop = yo.one["two"]`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect(body).toEqual([
       {
         type: 'VariableDeclaration',
@@ -1168,7 +1131,7 @@ describe('testing pipe operator special', () => {
   })
   test('object memberExpression with two square braces literal and identifier', () => {
     const code = `const prop = yo["one"][two]`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect(body).toEqual([
       {
         type: 'VariableDeclaration',
@@ -1227,7 +1190,7 @@ describe('testing pipe operator special', () => {
 describe('nests binary expressions correctly', () => {
   it('works with the simple case', () => {
     const code = `const yo = 1 + 2`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect(body[0]).toEqual({
       type: 'VariableDeclaration',
       start: 0,
@@ -1271,7 +1234,7 @@ describe('nests binary expressions correctly', () => {
   it('should nest according to precedence with multiply first', () => {
     // should be binExp { binExp { lit-1 * lit-2 } + lit}
     const code = `const yo = 1 * 2 + 3`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect(body[0]).toEqual({
       type: 'VariableDeclaration',
       start: 0,
@@ -1328,7 +1291,7 @@ describe('nests binary expressions correctly', () => {
   it('should nest according to precedence with sum first', () => {
     // should be binExp { lit-1 + binExp { lit-2 * lit-3 } }
     const code = `const yo = 1 + 2 * 3`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect(body[0]).toEqual({
       type: 'VariableDeclaration',
       start: 0,
@@ -1384,7 +1347,7 @@ describe('nests binary expressions correctly', () => {
   })
   it('should nest properly with two opperators of equal precedence', () => {
     const code = `const yo = 1 + 2 - 3`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect((body[0] as any).declarations[0].init).toEqual({
       type: 'BinaryExpression',
       start: 11,
@@ -1421,7 +1384,7 @@ describe('nests binary expressions correctly', () => {
   })
   it('should nest properly with two opperators of equal (but higher) precedence', () => {
     const code = `const yo = 1 * 2 / 3`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     expect((body[0] as any).declarations[0].init).toEqual({
       type: 'BinaryExpression',
       start: 11,
@@ -1458,7 +1421,7 @@ describe('nests binary expressions correctly', () => {
   })
   it('should nest properly with longer example', () => {
     const code = `const yo = 1 + 2 * (3 - 4) / 5 + 6`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     const init = (body[0] as any).declarations[0].init
     expect(init).toEqual({
       type: 'BinaryExpression',
@@ -1514,24 +1477,23 @@ const key = 'c'`
     const nonCodeMetaInstance = {
       type: 'NonCodeNode',
       start: code.indexOf('\n// this is a comment'),
-      end: code.indexOf('const key'),
+      end: code.indexOf('const key') - 1,
       value: {
         type: 'blockComment',
+        style: 'line',
         value: 'this is a comment',
       },
     }
-    const { nonCodeMeta } = parser_wasm(code)
-    expect(nonCodeMeta.nonCodeNodes[0]).toEqual(nonCodeMetaInstance)
+    const { nonCodeMeta } = parse(code)
+    expect(nonCodeMeta.nonCodeNodes[0][0]).toEqual(nonCodeMetaInstance)
 
     // extra whitespace won't change it's position (0) or value (NB the start end would have changed though)
     const codeWithExtraStartWhitespace = '\n\n\n' + code
-    const { nonCodeMeta: nonCodeMeta2 } = parser_wasm(
-      codeWithExtraStartWhitespace
-    )
-    expect(nonCodeMeta2.nonCodeNodes[0].value).toStrictEqual(
+    const { nonCodeMeta: nonCodeMeta2 } = parse(codeWithExtraStartWhitespace)
+    expect(nonCodeMeta2.nonCodeNodes[0][0].value).toStrictEqual(
       nonCodeMetaInstance.value
     )
-    expect(nonCodeMeta2.nonCodeNodes[0].start).not.toBe(
+    expect(nonCodeMeta2.nonCodeNodes[0][0].start).not.toBe(
       nonCodeMetaInstance.start
     )
   })
@@ -1545,16 +1507,17 @@ const key = 'c'`
   |> close(%)
 `
 
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     const indexOfSecondLineToExpression = 2
     const sketchNonCodeMeta = (body as any)[0].declarations[0].init.nonCodeMeta
       .nonCodeNodes
-    expect(sketchNonCodeMeta[indexOfSecondLineToExpression]).toEqual({
+    expect(sketchNonCodeMeta[indexOfSecondLineToExpression][0]).toEqual({
       type: 'NonCodeNode',
       start: 106,
-      end: 166,
+      end: 163,
       value: {
-        type: 'blockComment',
+        type: 'inlineComment',
+        style: 'block',
         value: 'this is\n      a comment\n      spanning a few lines',
       },
     })
@@ -1569,16 +1532,17 @@ const key = 'c'`
       '  |> rx(90, %)',
     ].join('\n')
 
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     const sketchNonCodeMeta = (body[0] as any).declarations[0].init.nonCodeMeta
-      .nonCodeNodes
-    expect(sketchNonCodeMeta[3]).toEqual({
+      .nonCodeNodes[3][0]
+    expect(sketchNonCodeMeta).toEqual({
       type: 'NonCodeNode',
       start: 125,
-      end: 141,
+      end: 138,
       value: {
         type: 'blockComment',
         value: 'a comment',
+        style: 'line',
       },
     })
   })
@@ -1587,7 +1551,7 @@ const key = 'c'`
 describe('test UnaryExpression', () => {
   it('should parse a unary expression in simple var dec situation', () => {
     const code = `const myVar = -min(4, 100)`
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     const myVarInit = (body?.[0] as any).declarations[0]?.init
     expect(myVarInit).toEqual({
       type: 'UnaryExpression',
@@ -1613,7 +1577,7 @@ describe('test UnaryExpression', () => {
 describe('testing nested call expressions', () => {
   it('callExp in a binExp in a callExp', () => {
     const code = 'const myVar = min(100, 1 + legLen(5, 3))'
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     const myVarInit = (body?.[0] as any).declarations[0]?.init
     expect(myVarInit).toEqual({
       type: 'CallExpression',
@@ -1651,7 +1615,7 @@ describe('testing nested call expressions', () => {
 describe('should recognise callExpresions in binaryExpressions', () => {
   const code = "xLineTo(segEndX('seg02', %) + 1, %)"
   it('should recognise the callExp', () => {
-    const { body } = parser_wasm(code)
+    const { body } = parse(code)
     const callExpArgs = (body?.[0] as any).expression?.arguments
     expect(callExpArgs).toEqual([
       {
@@ -1690,18 +1654,13 @@ describe('parsing errors', () => {
 
     let _theError
     try {
-      const result = expect(parser_wasm(code))
-      console.log('result', result)
+      const result = expect(parse(code))
     } catch (e) {
       _theError = e
     }
     const theError = _theError as any
     expect(theError).toEqual(
-      new KCLError(
-        'unexpected',
-        'Unexpected token Token { token_type: Brace, start: 29, end: 30, value: "}" }',
-        [[29, 30]]
-      )
+      new KCLError('syntax', 'Unexpected token', [[27, 28]])
     )
   })
 })

src/lang/abstractSyntaxTree.ts

@@ -1,48 +0,0 @@
-import { Program } from './abstractSyntaxTreeTypes'
-import { parse_js } from '../wasm-lib/pkg/wasm_lib'
-import { initPromise } from './rust'
-import { Token } from './tokeniser'
-import { KCLError } from './errors'
-import { KclError as RustKclError } from '../wasm-lib/kcl/bindings/KclError'
-
-export const rangeTypeFix = (ranges: number[][]): [number, number][] =>
-  ranges.map(([start, end]) => [start, end])
-
-export const parser_wasm = (code: string): Program => {
-  try {
-    const program: Program = parse_js(code)
-    return program
-  } catch (e: any) {
-    const parsed: RustKclError = JSON.parse(e.toString())
-    const kclError = new KCLError(
-      parsed.kind,
-      parsed.msg,
-      rangeTypeFix(parsed.sourceRanges)
-    )
-
-    console.log(kclError)
-    throw kclError
-  }
-}
-
-export async function asyncParser(code: string): Promise<Program> {
-  await initPromise
-  try {
-    const program: Program = parse_js(code)
-    return program
-  } catch (e: any) {
-    const parsed: RustKclError = JSON.parse(e.toString())
-    const kclError = new KCLError(
-      parsed.kind,
-      parsed.msg,
-      rangeTypeFix(parsed.sourceRanges)
-    )
-
-    console.log(kclError)
-    throw kclError
-  }
-}
-
-export function rangeOfToken(token: Token | undefined): [number, number][] {
-  return token === undefined ? [] : [[token.start, token.end]]
-}

src/lang/abstractSyntaxTreeTypes.ts

@@ -1,37 +0,0 @@
-export type { Program } from '../wasm-lib/kcl/bindings/Program'
-export type { Value } from '../wasm-lib/kcl/bindings/Value'
-export type { ObjectExpression } from '../wasm-lib/kcl/bindings/ObjectExpression'
-export type { MemberExpression } from '../wasm-lib/kcl/bindings/MemberExpression'
-export type { PipeExpression } from '../wasm-lib/kcl/bindings/PipeExpression'
-export type { VariableDeclaration } from '../wasm-lib/kcl/bindings/VariableDeclaration'
-export type { PipeSubstitution } from '../wasm-lib/kcl/bindings/PipeSubstitution'
-export type { Identifier } from '../wasm-lib/kcl/bindings/Identifier'
-export type { UnaryExpression } from '../wasm-lib/kcl/bindings/UnaryExpression'
-export type { BinaryExpression } from '../wasm-lib/kcl/bindings/BinaryExpression'
-export type { ReturnStatement } from '../wasm-lib/kcl/bindings/ReturnStatement'
-export type { ExpressionStatement } from '../wasm-lib/kcl/bindings/ExpressionStatement'
-export type { CallExpression } from '../wasm-lib/kcl/bindings/CallExpression'
-export type { VariableDeclarator } from '../wasm-lib/kcl/bindings/VariableDeclarator'
-export type { BinaryPart } from '../wasm-lib/kcl/bindings/BinaryPart'
-export type { Literal } from '../wasm-lib/kcl/bindings/Literal'
-export type { ArrayExpression } from '../wasm-lib/kcl/bindings/ArrayExpression'
-
-export type SyntaxType =
-  | 'Program'
-  | 'ExpressionStatement'
-  | 'BinaryExpression'
-  | 'CallExpression'
-  | 'Identifier'
-  | 'ReturnStatement'
-  | 'VariableDeclaration'
-  | 'VariableDeclarator'
-  | 'MemberExpression'
-  | 'ArrayExpression'
-  | 'ObjectExpression'
-  | 'ObjectProperty'
-  | 'FunctionExpression'
-  | 'PipeExpression'
-  | 'PipeSubstitution'
-  | 'Literal'
-  | 'NonCodeNode'
-  | 'UnaryExpression'

src/lang/artifact.test.ts

@@ -1,5 +1,4 @@
-import { parser_wasm } from './abstractSyntaxTree'
-import { initPromise } from './rust'
+import { parse, initPromise } from './wasm'
 import { enginelessExecutor } from '../lib/testHelpers'
 
 beforeAll(() => initPromise)
@@ -8,12 +7,13 @@ describe('testing artifacts', () => {
   // Enable rotations #152
   test('sketch artifacts', async () => {
     const code = `
-const mySketch001 = startSketchAt([0, 0])
+const mySketch001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> lineTo([-1.59, -1.54], %)
   |> lineTo([0.46, -5.82], %)
   // |> rx(45, %)
 show(mySketch001)`
-    const programMemory = await enginelessExecutor(parser_wasm(code))
+    const programMemory = await enginelessExecutor(parse(code))
     // @ts-ignore
     const shown = programMemory?.return?.map(
       // @ts-ignore
@@ -28,7 +28,7 @@ show(mySketch001)`
           name: '',
           __geoMeta: {
             id: expect.any(String),
-            sourceRange: [21, 42],
+            sourceRange: [46, 71],
           },
         },
         value: [
@@ -38,7 +38,7 @@ show(mySketch001)`
             to: [-1.59, -1.54],
             from: [0, 0],
             __geoMeta: {
-              sourceRange: [48, 73],
+              sourceRange: [77, 102],
               id: expect.any(String),
             },
           },
@@ -48,7 +48,7 @@ show(mySketch001)`
             from: [-1.59, -1.54],
             name: '',
             __geoMeta: {
-              sourceRange: [79, 103],
+              sourceRange: [108, 132],
               id: expect.any(String),
             },
           },
@@ -56,20 +56,22 @@ show(mySketch001)`
         position: [0, 0, 0],
         rotation: [0, 0, 0, 1],
         id: expect.any(String),
-        __meta: [{ sourceRange: [21, 42] }],
+        planeId: expect.any(String),
+        __meta: [{ sourceRange: [46, 71] }],
       },
     ])
   })
   test('extrude artifacts', async () => {
     // Enable rotations #152
     const code = `
-const mySketch001 = startSketchAt([0, 0])
+const mySketch001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> lineTo([-1.59, -1.54], %)
   |> lineTo([0.46, -5.82], %)
   // |> rx(45, %)
   |> extrude(2, %)
 show(mySketch001)`
-    const programMemory = await enginelessExecutor(parser_wasm(code))
+    const programMemory = await enginelessExecutor(parse(code))
     // @ts-ignore
     const shown = programMemory?.return?.map(
       // @ts-ignore
@@ -83,7 +85,7 @@ show(mySketch001)`
         height: 2,
         position: [0, 0, 0],
         rotation: [0, 0, 0, 1],
-        __meta: [{ sourceRange: [21, 42] }],
+        __meta: [{ sourceRange: [46, 71] }],
       },
     ])
   })
@@ -91,7 +93,8 @@ show(mySketch001)`
     // Enable rotations #152
     // TODO #153 in order for getExtrudeWallTransform to work we need to query the engine for the location of a face.
     const code = `
-const sk1 = startSketchAt([0, 0])
+const sk1 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> lineTo([-2.5, 0], %)
   |> lineTo({ to: [0, 10], tag: "p" }, %)
   |> lineTo([2.5, 0], %)
@@ -100,7 +103,8 @@ const sk1 = startSketchAt([0, 0])
   // |> ry(5, %)
 const theExtrude = extrude(2, sk1)
 // const theTransf = getExtrudeWallTransform('p', theExtrude)
-const sk2 = startSketchAt([0, 0])
+const sk2 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> lineTo([-2.5, 0], %)
   |> lineTo({ to: [0, 3], tag: "p" }, %)
   |> lineTo([2.5, 0], %)
@@ -109,7 +113,7 @@ const sk2 = startSketchAt([0, 0])
 
 
 show(theExtrude, sk2)`
-    const programMemory = await enginelessExecutor(parser_wasm(code))
+    const programMemory = await enginelessExecutor(parse(code))
     // @ts-ignore
     const geos = programMemory?.return?.map(
       // @ts-ignore
@@ -123,7 +127,7 @@ show(theExtrude, sk2)`
         height: 2,
         position: [0, 0, 0],
         rotation: [0, 0, 0, 1],
-        __meta: [{ sourceRange: [13, 34] }],
+        __meta: [{ sourceRange: [38, 63] }],
       },
       {
         type: 'ExtrudeGroup',
@@ -132,7 +136,7 @@ show(theExtrude, sk2)`
         height: 2,
         position: [0, 0, 0],
         rotation: [0, 0, 0, 1],
-        __meta: [{ sourceRange: [302, 323] }],
+        __meta: [{ sourceRange: [356, 381] }],
       },
     ])
   })

src/lang/errors.ts

@@ -72,7 +72,7 @@ export class KCLUndefinedValueError extends KCLError {
  * Currently the diagnostics are all errors, but in the future they could include lints.
  * */
 export function kclErrToDiagnostic(errors: KCLError[]): Diagnostic[] {
-  return errors.flatMap((err) => {
+  return errors?.flatMap((err) => {
     return err.sourceRanges.map(([from, to]) => {
       return { from, to, message: err.msg, severity: 'error' }
     })

src/lang/executor.test.ts

@@ -1,10 +1,7 @@
 import fs from 'node:fs'
 
-import { parser_wasm } from './abstractSyntaxTree'
-import { ProgramMemory, SketchGroup } from './executor'
-import { initPromise } from './rust'
+import { parse, ProgramMemory, SketchGroup, initPromise } from './wasm'
 import { enginelessExecutor } from '../lib/testHelpers'
-import { vi } from 'vitest'
 import { KCLError } from './errors'
 
 beforeAll(() => initPromise)
@@ -44,7 +41,8 @@ const newVar = myVar + 1`
     expect(root.magicNum.value).toBe(69)
   })
   it('sketch declaration', async () => {
-    let code = `const mySketch = startSketchAt([0,0])
+    let code = `const mySketch = startSketchOn('XY')
+  |> startProfileAt([0,0], %)
   |> lineTo({to: [0,2], tag: "myPath"}, %)
   |> lineTo([2,3], %)
   |> lineTo({ to: [5,-1], tag: "rightPath" }, %)
@@ -60,7 +58,7 @@ show(mySketch)
         to: [0, 2],
         from: [0, 0],
         __geoMeta: {
-          sourceRange: [43, 80],
+          sourceRange: [72, 109],
           id: expect.any(String),
         },
         name: 'myPath',
@@ -71,7 +69,7 @@ show(mySketch)
         from: [0, 2],
         name: '',
         __geoMeta: {
-          sourceRange: [86, 102],
+          sourceRange: [115, 131],
           id: expect.any(String),
         },
       },
@@ -80,7 +78,7 @@ show(mySketch)
         to: [5, -1],
         from: [2, 3],
         __geoMeta: {
-          sourceRange: [108, 151],
+          sourceRange: [137, 180],
           id: expect.any(String),
         },
         name: 'rightPath',
@@ -90,8 +88,8 @@ show(mySketch)
     expect(_return).toEqual([
       {
         type: 'Identifier',
-        start: 174,
-        end: 182,
+        start: 203,
+        end: 211,
         name: 'mySketch',
       },
     ])
@@ -135,7 +133,8 @@ show(mySketch)
   it('execute pipe sketch into call expression', async () => {
     // Enable rotations #152
     const code = [
-      'const mySk1 = startSketchAt([0,0])',
+      "const mySk1 = startSketchOn('XY')",
+      '  |> startProfileAt([0,0], %)',
       '  |> lineTo([1,1], %)',
       '  |> lineTo({to: [0, 1], tag: "myPath"}, %)',
       '  |> lineTo([1,1], %)',
@@ -150,7 +149,7 @@ show(mySketch)
         name: '',
         __geoMeta: {
           id: expect.any(String),
-          sourceRange: [14, 34],
+          sourceRange: [39, 63],
         },
       },
       value: [
@@ -160,7 +159,7 @@ show(mySketch)
           from: [0, 0],
           name: '',
           __geoMeta: {
-            sourceRange: [40, 56],
+            sourceRange: [69, 85],
             id: expect.any(String),
           },
         },
@@ -169,7 +168,7 @@ show(mySketch)
           to: [0, 1],
           from: [1, 1],
           __geoMeta: {
-            sourceRange: [62, 100],
+            sourceRange: [91, 129],
             id: expect.any(String),
           },
           name: 'myPath',
@@ -180,7 +179,7 @@ show(mySketch)
           from: [0, 1],
           name: '',
           __geoMeta: {
-            sourceRange: [106, 122],
+            sourceRange: [135, 151],
             id: expect.any(String),
           },
         },
@@ -188,7 +187,8 @@ show(mySketch)
       position: [0, 0, 0],
       rotation: [0, 0, 0, 1],
       id: expect.any(String),
-      __meta: [{ sourceRange: [14, 34] }],
+      planeId: expect.any(String),
+      __meta: [{ sourceRange: [39, 63] }],
     })
   })
   it('execute array expression', async () => {
@@ -332,7 +332,8 @@ describe('testing math operators', () => {
   })
   it('with unaryExpression in ArrayExpression in CallExpression, checking nothing funny happens when used in a sketch', async () => {
     const code = [
-      'const part001 = startSketchAt([0, 0])',
+      "const part001 = startSketchOn('XY')",
+      '  |> startProfileAt([0, 0], %)',
       '|> line([-2.21, -legLen(5, min(3, 999))], %)',
     ].join('\n')
     const { root } = await exe(code)
@@ -344,7 +345,8 @@ describe('testing math operators', () => {
   it('test that % substitution feeds down CallExp->ArrExp->UnaryExp->CallExp', async () => {
     const code = [
       `const myVar = 3`,
-      `const part001 = startSketchAt([0, 0])`,
+      `const part001 = startSketchOn('XY')`,
+      `  |> startProfileAt([0, 0], %)`,
       `  |> line({ to: [3, 4], tag: 'seg01' }, %)`,
       `  |> line([`,
       `  min(segLen('seg01', %), myVar),`,
@@ -380,7 +382,8 @@ describe('testing math operators', () => {
 describe('Testing Errors', () => {
   it('should throw an error when a variable is not defined', async () => {
     const code = `const myVar = 5
-const theExtrude = startSketchAt([0, 0])
+const theExtrude = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> line([-2.4, 5], %)
   |> line([-0.76], myVarZ, %)
   |> line([5,5], %)
@@ -391,7 +394,7 @@ show(theExtrude)`
       new KCLError(
         'undefined_value',
         'memory item key `myVarZ` is not defined',
-        [[100, 106]]
+        [[129, 135]]
       )
     )
   })
@@ -403,7 +406,7 @@ async function exe(
   code: string,
   programMemory: ProgramMemory = { root: {}, return: null }
 ) {
-  const ast = parser_wasm(code)
+  const ast = parse(code)
 
   const result = await enginelessExecutor(ast, programMemory)
   return result

src/lang/executor.ts

@@ -1,81 +0,0 @@
-import { Program } from './abstractSyntaxTreeTypes'
-import {
-  EngineCommandManager,
-  ArtifactMap,
-  SourceRangeMap,
-} from './std/engineConnection'
-import { ProgramReturn } from '../wasm-lib/kcl/bindings/ProgramReturn'
-import { MemoryItem } from '../wasm-lib/kcl/bindings/MemoryItem'
-import { execute_wasm } from '../wasm-lib/pkg/wasm_lib'
-import { KCLError } from './errors'
-import { KclError as RustKclError } from '../wasm-lib/kcl/bindings/KclError'
-import { rangeTypeFix } from './abstractSyntaxTree'
-
-export type { SourceRange } from '../wasm-lib/kcl/bindings/SourceRange'
-export type { Position } from '../wasm-lib/kcl/bindings/Position'
-export type { Rotation } from '../wasm-lib/kcl/bindings/Rotation'
-export type { Path } from '../wasm-lib/kcl/bindings/Path'
-export type { SketchGroup } from '../wasm-lib/kcl/bindings/SketchGroup'
-export type { MemoryItem } from '../wasm-lib/kcl/bindings/MemoryItem'
-export type { ExtrudeSurface } from '../wasm-lib/kcl/bindings/ExtrudeSurface'
-
-export type PathToNode = [string | number, string][]
-
-interface Memory {
-  [key: string]: MemoryItem
-}
-
-export interface ProgramMemory {
-  root: Memory
-  return: ProgramReturn | null
-}
-
-export const executor = async (
-  node: Program,
-  programMemory: ProgramMemory = { root: {}, return: null },
-  engineCommandManager: EngineCommandManager,
-  // work around while the gemotry is still be stored on the frontend
-  // will be removed when the stream UI is added.
-  tempMapCallback: (a: {
-    artifactMap: ArtifactMap
-    sourceRangeMap: SourceRangeMap
-  }) => void = () => {}
-): Promise<ProgramMemory> => {
-  engineCommandManager.startNewSession()
-  const _programMemory = await _executor(
-    node,
-    programMemory,
-    engineCommandManager
-  )
-  const { artifactMap, sourceRangeMap } =
-    await engineCommandManager.waitForAllCommands(node, _programMemory)
-  tempMapCallback({ artifactMap, sourceRangeMap })
-
-  engineCommandManager.endSession()
-  return _programMemory
-}
-
-export const _executor = async (
-  node: Program,
-  programMemory: ProgramMemory = { root: {}, return: null },
-  engineCommandManager: EngineCommandManager
-): Promise<ProgramMemory> => {
-  try {
-    const memory: ProgramMemory = await execute_wasm(
-      JSON.stringify(node),
-      JSON.stringify(programMemory),
-      engineCommandManager
-    )
-    return memory
-  } catch (e: any) {
-    const parsed: RustKclError = JSON.parse(e.toString())
-    const kclError = new KCLError(
-      parsed.kind,
-      parsed.msg,
-      rangeTypeFix(parsed.sourceRanges)
-    )
-
-    console.log(kclError)
-    throw kclError
-  }
-}

src/lang/getNodePathFromSourceRange.test.ts

@@ -1,6 +1,5 @@
 import { getNodePathFromSourceRange, getNodeFromPath } from './queryAst'
-import { parser_wasm } from './abstractSyntaxTree'
-import { initPromise } from './rust'
+import { Identifier, parse, initPromise } from './wasm'
 
 beforeAll(() => initPromise)
 
@@ -20,11 +19,88 @@ const sk3 = startSketchAt([0, 0])
       lineToSubstringIndex + subStr.length,
     ]
 
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const nodePath = getNodePathFromSourceRange(ast, sourceRange)
     const { node } = getNodeFromPath<any>(ast, nodePath)
 
     expect([node.start, node.end]).toEqual(sourceRange)
     expect(node.type).toBe('CallExpression')
   })
+  it('gets path right for function definition params', () => {
+    const code = `fn cube = (pos, scale) => {
+  const sg = startSketchAt(pos)
+    |> line([0, scale], %)
+    |> line([scale, 0], %)
+    |> line([0, -scale], %)
+
+  return sg
+}
+
+const b1 = cube([0,0], 10)`
+    const subStr = 'pos, scale'
+    const subStrIndex = code.indexOf(subStr)
+    const sourceRange: [number, number] = [
+      subStrIndex,
+      subStrIndex + 'pos'.length,
+    ]
+
+    const ast = parse(code)
+    const nodePath = getNodePathFromSourceRange(ast, sourceRange)
+    const node = getNodeFromPath<Identifier>(ast, nodePath).node
+
+    expect(nodePath).toEqual([
+      ['body', ''],
+      [0, 'index'],
+      ['declarations', 'VariableDeclaration'],
+      [0, 'index'],
+      ['init', ''],
+      ['params', 'FunctionExpression'],
+      [0, 'index'],
+    ])
+    expect(node.type).toBe('Identifier')
+    expect(node.name).toBe('pos')
+  })
+  it('gets path right for deep within function definition body', () => {
+    const code = `fn cube = (pos, scale) => {
+  const sg = startSketchAt(pos)
+    |> line([0, scale], %)
+    |> line([scale, 0], %)
+    |> line([0, -scale], %)
+
+  return sg
+}
+
+const b1 = cube([0,0], 10)`
+    const subStr = 'scale, 0'
+    const subStrIndex = code.indexOf(subStr)
+    const sourceRange: [number, number] = [
+      subStrIndex,
+      subStrIndex + 'scale'.length,
+    ]
+
+    const ast = parse(code)
+    const nodePath = getNodePathFromSourceRange(ast, sourceRange)
+    const node = getNodeFromPath<Identifier>(ast, nodePath).node
+    expect(nodePath).toEqual([
+      ['body', ''],
+      [0, 'index'],
+      ['declarations', 'VariableDeclaration'],
+      [0, 'index'],
+      ['init', ''],
+      ['body', 'FunctionExpression'],
+      ['body', 'FunctionExpression'],
+      [0, 'index'],
+      ['declarations', 'VariableDeclaration'],
+      [0, 'index'],
+      ['init', ''],
+      ['body', 'PipeExpression'],
+      [2, 'index'],
+      ['arguments', 'CallExpression'],
+      [0, 'index'],
+      ['elements', 'ArrayExpression'],
+      [0, 'index'],
+    ])
+    expect(node.type).toBe('Identifier')
+    expect(node.name).toBe('scale')
+  })
 })

src/lang/modifyAst.test.ts

@@ -1,4 +1,4 @@
-import { parser_wasm } from './abstractSyntaxTree'
+import { parse, recast, initPromise } from './wasm'
 import {
   createLiteral,
   createIdentifier,
@@ -13,8 +13,6 @@ import {
   giveSketchFnCallTag,
   moveValueIntoNewVariable,
 } from './modifyAst'
-import { recast } from './recast'
-import { initPromise } from './rust'
 import { enginelessExecutor } from '../lib/testHelpers'
 
 beforeAll(() => initPromise)
@@ -106,13 +104,13 @@ describe('Testing addSketchTo', () => {
         body: [],
         start: 0,
         end: 0,
-        nonCodeMeta: { nonCodeNodes: {}, start: null },
+        nonCodeMeta: { nonCodeNodes: {}, start: [] },
       },
       'yz'
     )
     const str = recast(result.modifiedAst)
-    expect(str).toBe(`const part001 = startSketchAt('default')
-  |> ry(90, %)
+    expect(str).toBe(`const part001 = startSketchOn('YZ')
+  |> startProfileAt('default', %)
   |> line('default', %)
 show(part001)
 `)
@@ -126,7 +124,7 @@ function giveSketchFnCallTagTestHelper(
   // giveSketchFnCallTag inputs and outputs an ast, which is very verbose for testing
   // this wrapper changes the input and output to code
   // making it more of an integration test, but easier to read the test intention is the goal
-  const ast = parser_wasm(code)
+  const ast = parse(code)
   const start = code.indexOf(searchStr)
   const range: [number, number] = [start, start + searchStr.length]
   const { modifiedAst, tag, isTagExisting } = giveSketchFnCallTag(ast, range)
@@ -135,7 +133,8 @@ function giveSketchFnCallTagTestHelper(
 }
 
 describe('Testing giveSketchFnCallTag', () => {
-  const code = `const part001 = startSketchAt([0, 0])
+  const code = `const part001 = startSketchOn('XY')
+|> startProfileAt([0, 0], %)
 |> line([-2.57, -0.13], %)
 |> line([0, 0.83], %)
 |> line([0.82, 0.34], %)
@@ -187,7 +186,8 @@ fn ghi = (x) => {
 const abc = 3
 const identifierGuy = 5
 const yo = 5 + 6
-const part001 = startSketchAt([-1.2, 4.83])
+const part001 = startSketchOn('XY')
+|> startProfileAt([-1.2, 4.83], %)
 |> line([2.8, 0], %)
 |> angledLine([100 + 100, 3.09], %)
 |> angledLine([abc, 3.09], %)
@@ -197,7 +197,7 @@ const part001 = startSketchAt([-1.2, 4.83])
 const yo2 = hmm([identifierGuy + 5])
 show(part001)`
   it('should move a binary expression into a new variable', async () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const programMemory = await enginelessExecutor(ast)
     const startIndex = code.indexOf('100 + 100') + 1
     const { modifiedAst } = moveValueIntoNewVariable(
@@ -211,7 +211,7 @@ show(part001)`
     expect(newCode).toContain(`angledLine([newVar, 3.09], %)`)
   })
   it('should move a value into a new variable', async () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const programMemory = await enginelessExecutor(ast)
     const startIndex = code.indexOf('2.8') + 1
     const { modifiedAst } = moveValueIntoNewVariable(
@@ -225,7 +225,7 @@ show(part001)`
     expect(newCode).toContain(`line([newVar, 0], %)`)
   })
   it('should move a callExpression into a new variable', async () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const programMemory = await enginelessExecutor(ast)
     const startIndex = code.indexOf('def(')
     const { modifiedAst } = moveValueIntoNewVariable(
@@ -239,7 +239,7 @@ show(part001)`
     expect(newCode).toContain(`angledLine([newVar, 3.09], %)`)
   })
   it('should move a binary expression with call expression into a new variable', async () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const programMemory = await enginelessExecutor(ast)
     const startIndex = code.indexOf('jkl(') + 1
     const { modifiedAst } = moveValueIntoNewVariable(
@@ -253,7 +253,7 @@ show(part001)`
     expect(newCode).toContain(`angledLine([newVar, 3.09], %)`)
   })
   it('should move a identifier into a new variable', async () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const programMemory = await enginelessExecutor(ast)
     const startIndex = code.indexOf('identifierGuy +') + 1
     const { modifiedAst } = moveValueIntoNewVariable(

src/lang/modifyAst.ts

@@ -1,4 +1,5 @@
-import { Selection, ToolTip } from '../useStore'
+import { ToolTip } from '../useStore'
+import { Selection } from 'lib/selections'
 import {
   Program,
   CallExpression,
@@ -14,14 +15,15 @@ import {
   ObjectExpression,
   UnaryExpression,
   BinaryExpression,
-} from './abstractSyntaxTreeTypes'
+  PathToNode,
+  ProgramMemory,
+} from './wasm'
 import {
   findAllPreviousVariables,
   getNodeFromPath,
   getNodePathFromSourceRange,
   isNodeSafeToReplace,
 } from './queryAst'
-import { PathToNode, ProgramMemory } from './executor'
 import {
   addTagForSketchOnFace,
   getFirstArg,
@@ -31,21 +33,26 @@ import { isLiteralArrayOrStatic } from './std/sketchcombos'
 
 export function addStartSketch(
   node: Program,
+  axis: 'xy' | 'xz' | 'yz' | '-xy' | '-xz' | '-yz',
   start: [number, number],
   end: [number, number]
 ): { modifiedAst: Program; id: string; pathToNode: PathToNode } {
   const _node = { ...node }
   const _name = findUniqueName(node, 'part')
 
-  const startSketchAt = createCallExpression('startSketchAt', [
+  const startSketchOn = createCallExpressionStdLib('startSketchOn', [
+    createLiteral(axis.toUpperCase()),
+  ])
+  const startProfileAt = createCallExpressionStdLib('startProfileAt', [
     createArrayExpression([createLiteral(start[0]), createLiteral(start[1])]),
+    createPipeSubstitution(),
   ])
   const initialLineTo = createCallExpression('line', [
     createArrayExpression([createLiteral(end[0]), createLiteral(end[1])]),
     createPipeSubstitution(),
   ])
 
-  const pipeBody = [startSketchAt, initialLineTo]
+  const pipeBody = [startSketchOn, startProfileAt, initialLineTo]
 
   const variableDeclaration = createVariableDeclaration(
     _name,
@@ -78,11 +85,11 @@ export function addSketchTo(
   const _node = { ...node }
   const _name = name || findUniqueName(node, 'part')
 
-  const startSketchAt = createCallExpressionStdLib('startSketchAt', [
-    createLiteral('default'),
+  const startSketchOn = createCallExpressionStdLib('startSketchOn', [
+    createLiteral(axis.toUpperCase()),
   ])
-  const rotate = createCallExpression(axis === 'xz' ? 'rx' : 'ry', [
-    createLiteral(90),
+  const startProfileAt = createCallExpressionStdLib('startProfileAt', [
+    createLiteral('default'),
     createPipeSubstitution(),
   ])
   const initialLineTo = createCallExpressionStdLib('line', [
@@ -90,10 +97,7 @@ export function addSketchTo(
     createPipeSubstitution(),
   ])
 
-  const pipeBody =
-    axis !== 'xy'
-      ? [startSketchAt, rotate, initialLineTo]
-      : [startSketchAt, initialLineTo]
+  const pipeBody = [startSketchOn, startProfileAt, initialLineTo]
 
   const variableDeclaration = createVariableDeclaration(
     _name,
@@ -321,7 +325,7 @@ export function extrudeSketch(
     [0, 'index'],
   ]
   return {
-    modifiedAst: addToShow(_node, name),
+    modifiedAst: node,
     pathToNode: [...pathToNode.slice(0, -1), [showCallIndex, 'index']],
     pathToExtrudeArg,
   }
@@ -537,7 +541,7 @@ export function createPipeExpression(
     start: 0,
     end: 0,
     body,
-    nonCodeMeta: { nonCodeNodes: {}, start: null },
+    nonCodeMeta: { nonCodeNodes: {}, start: [] },
   }
 }
 

src/lang/queryAst.test.ts

@@ -1,11 +1,12 @@
-import { parser_wasm } from './abstractSyntaxTree'
+import { parse, recast, initPromise } from './wasm'
 import {
   findAllPreviousVariables,
   isNodeSafeToReplace,
   isTypeInValue,
   getNodePathFromSourceRange,
+  doesPipeHaveCallExp,
+  hasExtrudeSketchGroup,
 } from './queryAst'
-import { initPromise } from './rust'
 import { enginelessExecutor } from '../lib/testHelpers'
 import {
   createArrayExpression,
@@ -13,7 +14,6 @@ import {
   createLiteral,
   createPipeSubstitution,
 } from './modifyAst'
-import { recast } from './recast'
 
 beforeAll(() => initPromise)
 
@@ -28,7 +28,8 @@ const halfArmAngle = armAngle / 2
 const arrExpShouldNotBeIncluded = [1, 2, 3]
 const objExpShouldNotBeIncluded = { a: 1, b: 2, c: 3 }
 
-const part001 = startSketchAt([0, 0])
+const part001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> yLineTo(1, %)
   |> xLine(3.84, %) // selection-range-7ish-before-this
 
@@ -36,7 +37,7 @@ const variableBelowShouldNotBeIncluded = 3
 
 show(part001)`
     const rangeStart = code.indexOf('// selection-range-7ish-before-this') - 7
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const programMemory = await enginelessExecutor(ast)
 
     const { variables, bodyPath, insertIndex } = findAllPreviousVariables(
@@ -59,7 +60,8 @@ show(part001)`
 })
 
 describe('testing argIsNotIdentifier', () => {
-  const code = `const part001 = startSketchAt([-1.2, 4.83])
+  const code = `const part001 = startSketchOn('XY')
+|> startProfileAt([-1.2, 4.83], %)
 |> line([2.8, 0], %)
 |> angledLine([100 + 100, 3.09], %)
 |> angledLine([abc, 3.09], %)
@@ -70,7 +72,7 @@ const yo = 5 + 6
 const yo2 = hmm([identifierGuy + 5])
 show(part001)`
   it('find a safe binaryExpression', () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const rangeStart = code.indexOf('100 + 100') + 2
     const result = isNodeSafeToReplace(ast, [rangeStart, rangeStart])
     expect(result.isSafe).toBe(true)
@@ -84,7 +86,7 @@ show(part001)`
     expect(outCode).toContain(`angledLine([replaceName, 3.09], %)`)
   })
   it('find a safe Identifier', () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const rangeStart = code.indexOf('abc')
     const result = isNodeSafeToReplace(ast, [rangeStart, rangeStart])
     expect(result.isSafe).toBe(true)
@@ -92,7 +94,7 @@ show(part001)`
     expect(code.slice(result.value.start, result.value.end)).toBe('abc')
   })
   it('find a safe CallExpression', () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const rangeStart = code.indexOf('def')
     const result = isNodeSafeToReplace(ast, [rangeStart, rangeStart])
     expect(result.isSafe).toBe(true)
@@ -106,7 +108,7 @@ show(part001)`
     expect(outCode).toContain(`angledLine([replaceName, 3.09], %)`)
   })
   it('find an UNsafe CallExpression, as it has a PipeSubstitution', () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const rangeStart = code.indexOf('ghi')
     const range: [number, number] = [rangeStart, rangeStart]
     const result = isNodeSafeToReplace(ast, range)
@@ -115,7 +117,7 @@ show(part001)`
     expect(code.slice(result.value.start, result.value.end)).toBe('ghi(%)')
   })
   it('find an UNsafe Identifier, as it is a callee', () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const rangeStart = code.indexOf('ine([2.8,')
     const result = isNodeSafeToReplace(ast, [rangeStart, rangeStart])
     expect(result.isSafe).toBe(false)
@@ -125,7 +127,7 @@ show(part001)`
     )
   })
   it("find a safe BinaryExpression that's assigned to a variable", () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const rangeStart = code.indexOf('5 + 6') + 1
     const result = isNodeSafeToReplace(ast, [rangeStart, rangeStart])
     expect(result.isSafe).toBe(true)
@@ -139,7 +141,7 @@ show(part001)`
     expect(outCode).toContain(`const yo = replaceName`)
   })
   it('find a safe BinaryExpression that has a CallExpression within', () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const rangeStart = code.indexOf('jkl') + 1
     const result = isNodeSafeToReplace(ast, [rangeStart, rangeStart])
     expect(result.isSafe).toBe(true)
@@ -155,7 +157,7 @@ show(part001)`
     expect(outCode).toContain(`angledLine([replaceName, 3.09], %)`)
   })
   it('find a safe BinaryExpression within a CallExpression', () => {
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const rangeStart = code.indexOf('identifierGuy') + 1
     const result = isNodeSafeToReplace(ast, [rangeStart, rangeStart])
     expect(result.isSafe).toBe(true)
@@ -196,14 +198,15 @@ show(part001)`
 })
 
 describe('testing getNodePathFromSourceRange', () => {
-  const code = `const part001 = startSketchAt([0.39, -0.05])
+  const code = `const part001 = startSketchOn('XY')
+  |> startProfileAt([0.39, -0.05], %)
   |> line([0.94, 2.61], %)
   |> line([-0.21, -1.4], %)
 show(part001)`
   it('finds the second line when cursor is put at the end', () => {
     const searchLn = `line([0.94, 2.61], %)`
     const sourceIndex = code.indexOf(searchLn) + searchLn.length
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const result = getNodePathFromSourceRange(ast, [sourceIndex, sourceIndex])
     expect(result).toEqual([
       ['body', ''],
@@ -212,13 +215,13 @@ show(part001)`
       [0, 'index'],
       ['init', ''],
       ['body', 'PipeExpression'],
-      [1, 'index'],
+      [2, 'index'],
     ])
   })
   it('finds the last line when cursor is put at the end', () => {
     const searchLn = `line([-0.21, -1.4], %)`
     const sourceIndex = code.indexOf(searchLn) + searchLn.length
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const result = getNodePathFromSourceRange(ast, [sourceIndex, sourceIndex])
     const expected = [
       ['body', ''],
@@ -227,7 +230,7 @@ show(part001)`
       [0, 'index'],
       ['init', ''],
       ['body', 'PipeExpression'],
-      [2, 'index'],
+      [3, 'index'],
     ]
     expect(result).toEqual(expected)
     // expect similar result for start of line
@@ -245,3 +248,114 @@ show(part001)`
     expect(selectWholeThing).toEqual(expected)
   })
 })
+
+describe('testing doesPipeHave', () => {
+  it('finds close', () => {
+    const exampleCode = `const length001 = 2
+const part001 = startSketchAt([-1.41, 3.46])
+  |> line({ to: [19.49, 1.16], tag: 'seg01' }, %)
+  |> angledLine([-35, length001], %)
+  |> line([-3.22, -7.36], %)
+  |> angledLine([-175, segLen('seg01', %)], %)
+  |> close(%)
+`
+    const ast = parse(exampleCode)
+    const result = doesPipeHaveCallExp({
+      calleeName: 'close',
+      ast,
+      selection: { type: 'default', range: [100, 101] },
+    })
+    expect(result).toEqual(true)
+  })
+  it('finds extrude', () => {
+    const exampleCode = `const length001 = 2
+const part001 = startSketchAt([-1.41, 3.46])
+  |> line({ to: [19.49, 1.16], tag: 'seg01' }, %)
+  |> angledLine([-35, length001], %)
+  |> line([-3.22, -7.36], %)
+  |> angledLine([-175, segLen('seg01', %)], %)
+  |> close(%)
+  |> extrude(1, %)
+`
+    const ast = parse(exampleCode)
+    const result = doesPipeHaveCallExp({
+      calleeName: 'extrude',
+      ast,
+      selection: { type: 'default', range: [100, 101] },
+    })
+    expect(result).toEqual(true)
+  })
+  it('does NOT find close', () => {
+    const exampleCode = `const length001 = 2
+const part001 = startSketchAt([-1.41, 3.46])
+  |> line({ to: [19.49, 1.16], tag: 'seg01' }, %)
+  |> angledLine([-35, length001], %)
+  |> line([-3.22, -7.36], %)
+  |> angledLine([-175, segLen('seg01', %)], %)
+`
+    const ast = parse(exampleCode)
+    const result = doesPipeHaveCallExp({
+      calleeName: 'close',
+      ast,
+      selection: { type: 'default', range: [100, 101] },
+    })
+    expect(result).toEqual(false)
+  })
+  it('returns false if not a pipe', () => {
+    const exampleCode = `const length001 = 2`
+    const ast = parse(exampleCode)
+    const result = doesPipeHaveCallExp({
+      calleeName: 'close',
+      ast,
+      selection: { type: 'default', range: [9, 10] },
+    })
+    expect(result).toEqual(false)
+  })
+})
+
+describe('testing hasExtrudeSketchGroup', () => {
+  it('find sketch group', async () => {
+    const exampleCode = `const length001 = 2
+const part001 = startSketchAt([-1.41, 3.46])
+  |> line({ to: [19.49, 1.16], tag: 'seg01' }, %)
+  |> angledLine([-35, length001], %)
+  |> line([-3.22, -7.36], %)
+  |> angledLine([-175, segLen('seg01', %)], %)`
+    const ast = parse(exampleCode)
+    const programMemory = await enginelessExecutor(ast)
+    const result = hasExtrudeSketchGroup({
+      ast,
+      selection: { type: 'default', range: [100, 101] },
+      programMemory,
+    })
+    expect(result).toEqual(true)
+  })
+  it('find extrude group', async () => {
+    const exampleCode = `const length001 = 2
+const part001 = startSketchAt([-1.41, 3.46])
+  |> line({ to: [19.49, 1.16], tag: 'seg01' }, %)
+  |> angledLine([-35, length001], %)
+  |> line([-3.22, -7.36], %)
+  |> angledLine([-175, segLen('seg01', %)], %)
+  |> extrude(1, %)`
+    const ast = parse(exampleCode)
+    const programMemory = await enginelessExecutor(ast)
+    const result = hasExtrudeSketchGroup({
+      ast,
+      selection: { type: 'default', range: [100, 101] },
+      programMemory,
+    })
+    expect(result).toEqual(true)
+  })
+  it('finds nothing', async () => {
+    const exampleCode = `const length001 = 2`
+    const ast = parse(exampleCode)
+    const programMemory = await enginelessExecutor(ast)
+    const result = hasExtrudeSketchGroup({
+      ast,
+      selection: { type: 'default', range: [10, 11] },
+      programMemory,
+    })
+    expect(result).toEqual(false)
+  })
+})

src/lang/queryAst.ts

@@ -1,5 +1,5 @@
-import { PathToNode, ProgramMemory, SketchGroup, SourceRange } from './executor'
-import { Selection, ToolTip } from '../useStore'
+import { ToolTip } from '../useStore'
+import { Selection } from 'lib/selections'
 import {
   BinaryExpression,
   Program,
@@ -10,7 +10,12 @@ import {
   VariableDeclaration,
   ReturnStatement,
   ArrayExpression,
-} from './abstractSyntaxTreeTypes'
+  PathToNode,
+  ProgramMemory,
+  SketchGroup,
+  SourceRange,
+  PipeExpression,
+} from './wasm'
 import { createIdentifier, splitPathAtLastIndex } from './modifyAst'
 import { getSketchSegmentFromSourceRange } from './std/sketchConstraints'
 import { getAngle } from '../lib/utils'
@@ -239,7 +244,29 @@ function moreNodePathFromSourceRange(
     }
     return path
   }
-  console.error('not implemented')
+  if (_node.type === 'FunctionExpression' && isInRange) {
+    for (let i = 0; i < _node.params.length; i++) {
+      const param = _node.params[i]
+      if (param.start <= start && param.end >= end) {
+        path.push(['params', 'FunctionExpression'])
+        path.push([i, 'index'])
+        return moreNodePathFromSourceRange(param, sourceRange, path)
+      }
+    }
+    if (_node.body.start <= start && _node.body.end >= end) {
+      path.push(['body', 'FunctionExpression'])
+      const fnBody = _node.body.body
+      for (let i = 0; i < fnBody.length; i++) {
+        const statement = fnBody[i]
+        if (statement.start <= start && statement.end >= end) {
+          path.push(['body', 'FunctionExpression'])
+          path.push([i, 'index'])
+          return moreNodePathFromSourceRange(statement, sourceRange, path)
+        }
+      }
+    }
+  }
+  console.error('not implemented: ' + node.type)
   return path
 }
 
@@ -486,3 +513,47 @@ export function isLinesParallelAndConstrained(
     }
   }
 }
+
+export function doesPipeHaveCallExp({
+  ast,
+  selection,
+  calleeName,
+}: {
+  calleeName: string
+  ast: Program
+  selection: Selection
+}): boolean {
+  const pathToNode = getNodePathFromSourceRange(ast, selection.range)
+  const pipeExpression = getNodeFromPath<PipeExpression>(
+    ast,
+    pathToNode,
+    'PipeExpression'
+  ).node
+  if (pipeExpression.type !== 'PipeExpression') return false
+  return pipeExpression.body.some(
+    (expression) =>
+      expression.type === 'CallExpression' &&
+      expression.callee.name === calleeName
+  )
+}
+
+export function hasExtrudeSketchGroup({
+  ast,
+  selection,
+  programMemory,
+}: {
+  ast: Program
+  selection: Selection
+  programMemory: ProgramMemory
+}): boolean {
+  const pathToNode = getNodePathFromSourceRange(ast, selection.range)
+  const varDec = getNodeFromPath<VariableDeclaration>(
+    ast,
+    pathToNode,
+    'VariableDeclaration'
+  ).node
+  if (varDec.type !== 'VariableDeclaration') return false
+  const varName = varDec.declarations[0].id.name
+  const varValue = programMemory?.root[varName]
+  return varValue?.type === 'ExtrudeGroup' || varValue?.type === 'SketchGroup'
+}

src/lang/recast.test.ts

@@ -1,8 +1,5 @@
-import { recast } from './recast'
-import { parser_wasm } from './abstractSyntaxTree'
-import { Program } from './abstractSyntaxTreeTypes'
+import { parse, Program, recast, initPromise } from './wasm'
 import fs from 'node:fs'
-import { initPromise } from './rust'
 
 beforeAll(() => initPromise)
 
@@ -275,21 +272,20 @@ const mySk1 = startSketchAt([0, 0])
 `
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(`// comment at start
+    expect(recasted).toBe(`/* comment at start */
+
 const mySk1 = startSketchAt([0, 0])
   |> lineTo([1, 1], %)
   // comment here
   |> lineTo({ to: [0, 1], tag: 'myTag' }, %)
-  |> lineTo([1, 1], %)
-  /* and
-  here
-
-a comment between pipe expression statements */
+  |> lineTo([1, 1], %) /* and
+  here */
+  // a comment between pipe expression statements
   |> rx(90, %)
   // and another with just white space between others below
   |> ry(45, %)
   |> rx(45, %)
-// one more for good measure
+  /* one more for good measure */
 `)
   })
 })
@@ -366,6 +362,6 @@ describe('it recasts binary expression using brackets where needed', () => {
 // helpers
 
 function code2ast(code: string): { ast: Program } {
-  const ast = parser_wasm(code)
+  const ast = parse(code)
   return { ast }
 }

src/lang/recast.ts

@@ -1,13 +0,0 @@
-import { Program } from './abstractSyntaxTreeTypes'
-import { recast_wasm } from '../wasm-lib/pkg/wasm_lib'
-
-export const recast = (ast: Program): string => {
-  try {
-    const s: string = recast_wasm(JSON.stringify(ast))
-    return s
-  } catch (e) {
-    // TODO: do something real with the error.
-    console.log('recast', e)
-    throw e
-  }
-}

src/lang/rust.ts

@@ -1,20 +0,0 @@
-import init from '../wasm-lib/pkg/wasm_lib'
-
-const initialise = async () => {
-  const baseUrl =
-    typeof window === 'undefined'
-      ? 'http://127.0.0.1:3000'
-      : window.location.origin.includes('tauri://localhost')
-      ? 'tauri://localhost'
-      : window.location.origin.includes('localhost')
-      ? 'http://localhost:3000'
-      : window.location.origin && window.location.origin !== 'null'
-      ? window.location.origin
-      : 'http://localhost:3000'
-  const fullUrl = baseUrl + '/wasm_lib_bg.wasm'
-  const input = await fetch(fullUrl)
-  const buffer = await input.arrayBuffer()
-  return init(buffer)
-}
-
-export const initPromise = initialise()

src/lang/std/engineConnection.ts

@@ -1,12 +1,10 @@
-import { ProgramMemory, SourceRange } from 'lang/executor'
-import { Selections } from 'useStore'
+import { SourceRange } from 'lang/wasm'
 import { VITE_KC_API_WS_MODELING_URL, VITE_KC_CONNECTION_TIMEOUT_MS } from 'env'
 import { Models } from '@kittycad/lib'
 import { exportSave } from 'lib/exportSave'
 import { v4 as uuidv4 } from 'uuid'
 import * as Sentry from '@sentry/react'
-import { getNodeFromPath, getNodePathFromSourceRange } from 'lang/queryAst'
-import { Program, VariableDeclarator } from 'lang/abstractSyntaxTreeTypes'
+import { DefaultPlanes } from 'wasm-lib/kcl/bindings/DefaultPlanes'
 
 let lastMessage = ''
 
@@ -22,6 +20,11 @@ interface ResultCommand extends CommandInfo {
   type: 'result'
   data: any
   raw: WebSocketResponse
+  headVertexId?: string
+}
+interface FailedCommand extends CommandInfo {
+  type: 'failed'
+  errors: Models['FailureWebSocketResponse_type']['errors']
 }
 interface PendingCommand extends CommandInfo {
   type: 'pending'
@@ -30,10 +33,7 @@ interface PendingCommand extends CommandInfo {
 }
 
 export interface ArtifactMap {
-  [key: string]: ResultCommand | PendingCommand
-}
-export interface SourceRangeMap {
-  [key: string]: SourceRange
+  [key: string]: ResultCommand | PendingCommand | FailedCommand
 }
 
 interface NewTrackArgs {
@@ -41,6 +41,11 @@ interface NewTrackArgs {
   mediaStream: MediaStream
 }
 
+// This looks funny, I know. This is needed because node and the browser
+// disagree as to the type. In a browser it's a number, but in node it's a
+// "Timeout".
+type Timeout = ReturnType<typeof setTimeout>
+
 type ClientMetrics = Models['ClientMetrics_type']
 
 // EngineConnection encapsulates the connection(s) to the Engine
@@ -52,6 +57,9 @@ export class EngineConnection {
   unreliableDataChannel?: RTCDataChannel
 
   private ready: boolean
+  private connecting: boolean
+  private dead: boolean
+  private failedConnTimeout: Timeout | null
 
   readonly url: string
   private readonly token?: string
@@ -87,6 +95,9 @@ export class EngineConnection {
     this.url = url
     this.token = token
     this.ready = false
+    this.connecting = false
+    this.dead = false
+    this.failedConnTimeout = null
     this.onWebsocketOpen = onWebsocketOpen
     this.onDataChannelOpen = onDataChannelOpen
     this.onEngineConnectionOpen = onEngineConnectionOpen
@@ -97,7 +108,10 @@ export class EngineConnection {
     // TODO(paultag): This ought to be tweakable.
     const pingIntervalMs = 10000
 
-    setInterval(() => {
+    let pingInterval = setInterval(() => {
+      if (this.dead) {
+        clearInterval(pingInterval)
+      }
       if (this.isReady()) {
         // When we're online, every 10 seconds, we'll attempt to put a 'ping'
         // command through the WebSocket connection. This will help both ends
@@ -106,6 +120,24 @@ export class EngineConnection {
         this.send({ type: 'ping' })
       }
     }, pingIntervalMs)
+
+    const connectionTimeoutMs = VITE_KC_CONNECTION_TIMEOUT_MS
+    let connectInterval = setInterval(() => {
+      if (this.dead) {
+        clearInterval(connectInterval)
+        return
+      }
+      if (this.isReady()) {
+        return
+      }
+      console.log('connecting via retry')
+      this.connect()
+    }, connectionTimeoutMs)
+  }
+  // isConnecting will return true when connect has been called, but the full
+  // WebRTC is not online.
+  isConnecting() {
+    return this.connecting
   }
   // isReady will return true only when the WebRTC *and* WebSocket connection
   // are connected. During setup, the WebSocket connection comes online first,
@@ -114,6 +146,10 @@ export class EngineConnection {
   isReady() {
     return this.ready
   }
+  tearDown() {
+    this.dead = true
+    this.close()
+  }
   // shouldTrace will return true when Sentry should be used to instrument
   // the Engine.
   shouldTrace() {
@@ -125,8 +161,10 @@ export class EngineConnection {
   // This will attempt the full handshake, and retry if the connection
   // did not establish.
   connect() {
-    // TODO(paultag): make this safe to call multiple times, and figure out
-    // when a connection is in progress (state: connecting or something).
+    console.log('connect was called')
+    if (this.isConnecting() || this.isReady()) {
+      return
+    }
 
     // Information on the connect transaction
 
@@ -240,14 +278,18 @@ export class EngineConnection {
       const message: Models['WebSocketResponse_type'] = JSON.parse(event.data)
 
       if (!message.success) {
-        if (message.request_id) {
-          console.error(`Error in response to request ${message.request_id}:`)
-        } else {
-          console.error(`Error from server:`)
-        }
-        message?.errors?.forEach((error) => {
-          console.error(` - ${error.error_code}: ${error.message}`)
+        const errorsString = message?.errors
+          ?.map((error) => {
+            return `  - ${error.error_code}: ${error.message}`
           })
+          .join('\n')
+        if (message.request_id) {
+          console.error(
+            `Error in response to request ${message.request_id}:\n${errorsString}`
+          )
+        } else {
+          console.error(`Error from server:\n${errorsString}`)
+        }
         return
       }
 
@@ -314,6 +356,11 @@ export class EngineConnection {
             if (this.shouldTrace()) {
               iceSpan.resolve?.()
             }
+          } else if (this.pc?.iceConnectionState === 'failed') {
+            // failed is a terminal state; let's explicitly kill the
+            // connection to the server at this point.
+            console.log('failed to negotiate ice connection; restarting')
+            this.close()
           }
         })
 
@@ -358,20 +405,6 @@ export class EngineConnection {
           })
         })
       }
-
-      // TODO(paultag): This ought to be both controllable, as well as something
-      // like exponential backoff to have some grace on the backend, as well as
-      // fix responsiveness for clients that had a weird network hiccup.
-      const connectionTimeoutMs = VITE_KC_CONNECTION_TIMEOUT_MS
-
-      setTimeout(() => {
-        if (this.isReady()) {
-          return
-        }
-        console.log('engine connection timeout on connection, retrying')
-        this.close()
-        this.connect()
-      }, connectionTimeoutMs)
     })
 
     this.pc.addEventListener('track', (event) => {
@@ -459,8 +492,11 @@ export class EngineConnection {
 
         this.onDataChannelOpen(this)
 
-        this.onEngineConnectionOpen(this)
         this.ready = true
+        this.connecting = false
+        // Do this after we set the connection is ready to avoid errors when
+        // we try to send messages before the connection is ready.
+        this.onEngineConnectionOpen(this)
       })
 
       this.unreliableDataChannel.addEventListener('close', (event) => {
@@ -474,6 +510,22 @@ export class EngineConnection {
       })
     })
 
+    const connectionTimeoutMs = VITE_KC_CONNECTION_TIMEOUT_MS
+
+    if (this.failedConnTimeout) {
+      console.log('clearing timeout before set')
+      clearTimeout(this.failedConnTimeout)
+      this.failedConnTimeout = null
+    }
+    console.log('timeout set')
+    this.failedConnTimeout = setTimeout(() => {
+      if (this.isReady()) {
+        return
+      }
+      console.log('engine connection timeout on connection, closing')
+      this.close()
+    }, connectionTimeoutMs)
+
     this.onConnectionStarted(this)
   }
   unreliableSend(message: object | string) {
@@ -498,9 +550,15 @@ export class EngineConnection {
     this.pc = undefined
     this.unreliableDataChannel = undefined
     this.webrtcStatsCollector = undefined
+    if (this.failedConnTimeout) {
+      console.log('closed timeout in close')
+      clearTimeout(this.failedConnTimeout)
+      this.failedConnTimeout = null
+    }
 
     this.onClose(this)
     this.ready = false
+    this.connecting = false
   }
 }
 
@@ -527,12 +585,17 @@ interface Subscription<T extends ModelTypes> {
 
 export class EngineCommandManager {
   artifactMap: ArtifactMap = {}
-  sourceRangeMap: SourceRangeMap = {}
   outSequence = 1
   inSequence = 1
   engineConnection?: EngineConnection
-  waitForReady: Promise<void> = new Promise(() => {})
+  defaultPlanes: DefaultPlanes = { xy: '', yz: '', xz: '' }
+  // Folks should realize that wait for ready does not get called _everytime_
+  // the connection resets and restarts, it only gets called the first time.
+  // Be careful what you put here.
   private resolveReady = () => {}
+  waitForReady: Promise<void> = new Promise((resolve) => {
+    this.resolveReady = resolve
+  })
 
   subscriptions: {
     [event: string]: {
@@ -544,22 +607,36 @@ export class EngineCommandManager {
       [localUnsubscribeId: string]: (a: any) => void
     }
   } = {} as any
-  constructor({
+
+  constructor() {
+    this.engineConnection = undefined
+  }
+
+  start({
     setMediaStream,
     setIsStreamReady,
     width,
     height,
+    executeCode,
     token,
   }: {
     setMediaStream: (stream: MediaStream) => void
     setIsStreamReady: (isStreamReady: boolean) => void
     width: number
     height: number
+    executeCode: (code?: string, force?: boolean) => void
     token?: string
   }) {
-    this.waitForReady = new Promise((resolve) => {
-      this.resolveReady = resolve
-    })
+    if (width === 0 || height === 0) {
+      return
+    }
+
+    // If we already have an engine connection, just need to resize the stream.
+    if (this.engineConnection) {
+      this.handleResize({ streamWidth: width, streamHeight: height })
+      return
+    }
+
     const url = `${VITE_KC_API_WS_MODELING_URL}?video_res_width=${width}&video_res_height=${height}`
     this.engineConnection = new EngineConnection({
       url,
@@ -567,6 +644,35 @@ export class EngineCommandManager {
       onEngineConnectionOpen: () => {
         this.resolveReady()
         setIsStreamReady(true)
+
+        // Make the axis gizmo.
+        // We do this after the connection opened to avoid a race condition.
+        // Connected opened is the last thing that happens when the stream
+        // is ready.
+        // We also do this here because we want to ensure we create the gizmo
+        // and execute the code everytime the stream is restarted.
+        const gizmoId = uuidv4()
+        this.sendSceneCommand({
+          type: 'modeling_cmd_req',
+          cmd_id: gizmoId,
+          cmd: {
+            type: 'make_axes_gizmo',
+            clobber: false,
+            // If true, axes gizmo will be placed in the corner of the screen.
+            // If false, it will be placed at the origin of the scene.
+            gizmo_mode: true,
+          },
+        })
+
+        // Inisialize the planes.
+        this.initPlanes().then(() => {
+          // We execute the code here to make sure if the stream was to
+          // restart in a session, we want to make sure to execute the code.
+          // We force it to re-execute the code because we want to make sure
+          // the code is executed everytime the stream is restarted.
+          // We pass undefined for the code so it reads from the current state.
+          executeCode(undefined, true)
+        })
       },
       onClose: () => {
         setIsStreamReady(false)
@@ -617,6 +723,12 @@ export class EngineCommandManager {
               message.request_id
             ) {
               this.handleModelingCommand(message.resp, message.request_id)
+            } else if (
+              !message.success &&
+              message.request_id &&
+              this.artifactMap[message.request_id]
+            ) {
+              this.handleFailedModelingCommand(message)
             }
           }
         })
@@ -636,6 +748,29 @@ export class EngineCommandManager {
 
     this.engineConnection?.connect()
   }
+  handleResize({
+    streamWidth,
+    streamHeight,
+  }: {
+    streamWidth: number
+    streamHeight: number
+  }) {
+    if (!this.engineConnection?.isReady()) {
+      return
+    }
+
+    const resizeCmd: EngineCommand = {
+      type: 'modeling_cmd_req',
+      cmd_id: uuidv4(),
+      cmd: {
+        type: 'reconfigure_stream',
+        width: streamWidth,
+        height: streamHeight,
+        fps: 60,
+      },
+    }
+    this.engineConnection?.send(resizeCmd)
+  }
   handleModelingCommand(message: WebSocketResponse, id: string) {
     if (message.type !== 'modeling') {
       return
@@ -673,12 +808,43 @@ export class EngineCommandManager {
       }
     }
   }
+  handleFailedModelingCommand({
+    request_id,
+    errors,
+  }: Models['FailureWebSocketResponse_type']) {
+    const id = request_id
+    if (!id) return
+    const command = this.artifactMap[id]
+    if (command && command.type === 'pending') {
+      const resolve = command.resolve
+      this.artifactMap[id] = {
+        type: 'failed',
+        range: command.range,
+        commandType: command.commandType,
+        parentId: command.parentId ? command.parentId : undefined,
+        errors,
+      }
+      resolve({
+        id,
+        commandType: command.commandType,
+        range: command.range,
+        errors,
+      })
+    } else {
+      this.artifactMap[id] = {
+        type: 'failed',
+        range: command.range,
+        commandType: command.commandType,
+        parentId: command.parentId ? command.parentId : undefined,
+        errors,
+      }
+    }
+  }
   tearDown() {
-    this.engineConnection?.close()
+    this.engineConnection?.tearDown()
   }
   startNewSession() {
     this.artifactMap = {}
-    this.sourceRangeMap = {}
   }
   subscribeTo<T extends ModelTypes>({
     event,
@@ -744,31 +910,15 @@ export class EngineCommandManager {
       this.engineConnection?.send(deletCmd)
     })
   }
-  cusorsSelected(selections: {
-    otherSelections: Selections['otherSelections']
-    idBasedSelections: { type: string; id: string }[]
-  }) {
-    if (!this.engineConnection?.isReady()) {
-      console.log('engine connection isnt ready')
-      return
-    }
-    this.sendSceneCommand({
-      type: 'modeling_cmd_req',
-      cmd: {
-        type: 'select_clear',
-      },
-      cmd_id: uuidv4(),
-    })
-    this.sendSceneCommand({
-      type: 'modeling_cmd_req',
-      cmd: {
-        type: 'select_add',
-        entities: selections.idBasedSelections.map((s) => s.id),
-      },
-      cmd_id: uuidv4(),
-    })
-  }
   sendSceneCommand(command: EngineCommand): Promise<any> {
+    if (this.engineConnection === undefined) {
+      return Promise.resolve()
+    }
+
+    if (!this.engineConnection?.isReady()) {
+      return Promise.resolve()
+    }
+
     if (
       command.type === 'modeling_cmd_req' &&
       command.cmd.type !== lastMessage
@@ -776,10 +926,6 @@ export class EngineCommandManager {
       console.log('sending command', command.cmd.type)
       lastMessage = command.cmd.type
     }
-    if (!this.engineConnection?.isReady()) {
-      console.log('socket not ready')
-      return Promise.resolve()
-    }
     if (command.type !== 'modeling_cmd_req') return Promise.resolve()
     const cmd = command.cmd
     if (
@@ -821,10 +967,11 @@ export class EngineCommandManager {
     range: SourceRange
     command: EngineCommand | string
   }): Promise<any> {
-    this.sourceRangeMap[id] = range
+    if (this.engineConnection === undefined) {
+      return Promise.resolve()
+    }
 
     if (!this.engineConnection?.isReady()) {
-      console.log('socket not ready')
       return Promise.resolve()
     }
     this.engineConnection?.send(command)
@@ -867,6 +1014,9 @@ export class EngineCommandManager {
     rangeStr: string,
     commandStr: string
   ): Promise<any> {
+    if (this.engineConnection === undefined) {
+      return Promise.resolve()
+    }
     if (id === undefined) {
       throw new Error('id is undefined')
     }
@@ -890,107 +1040,120 @@ export class EngineCommandManager {
     }
     if (command.type === 'result') {
       return command.data
+    } else if (command.type === 'failed') {
+      return Promise.resolve(command.errors)
     }
     return command.promise
   }
-  async waitForAllCommands(
-    ast?: Program,
-    programMemory?: ProgramMemory
-  ): Promise<{
+  async waitForAllCommands(): Promise<{
     artifactMap: ArtifactMap
-    sourceRangeMap: SourceRangeMap
   }> {
     const pendingCommands = Object.values(this.artifactMap).filter(
       ({ type }) => type === 'pending'
     ) as PendingCommand[]
     const proms = pendingCommands.map(({ promise }) => promise)
     await Promise.all(proms)
-    if (ast && programMemory) {
-      await this.fixIdMappings(ast, programMemory)
-    }
 
     return {
       artifactMap: this.artifactMap,
-      sourceRangeMap: this.sourceRangeMap,
     }
   }
-  private async fixIdMappings(ast: Program, programMemory: ProgramMemory) {
-    /* This is a temporary solution since the cmd_ids that are sent through when
-    sending 'extend_path' ids are not used as the segment ids.
+  private async initPlanes() {
+    const [xy, yz, xz] = [
+      await this.createPlane({
+        x_axis: { x: 1, y: 0, z: 0 },
+        y_axis: { x: 0, y: 1, z: 0 },
+        color: { r: 0.7, g: 0.28, b: 0.28, a: 0.4 },
+      }),
+      await this.createPlane({
+        x_axis: { x: 0, y: 1, z: 0 },
+        y_axis: { x: 0, y: 0, z: 1 },
+        color: { r: 0.28, g: 0.7, b: 0.28, a: 0.4 },
+      }),
+      await this.createPlane({
+        x_axis: { x: 1, y: 0, z: 0 },
+        y_axis: { x: 0, y: 0, z: 1 },
+        color: { r: 0.28, g: 0.28, b: 0.7, a: 0.4 },
+      }),
+    ]
+    this.defaultPlanes = { xy, yz, xz }
 
-    We have a way to back fill them with 'path_get_info', however this relies on one
-    the sketchGroup array and the segements array returned from the server to be in
-    the same length and order. plus it's super hacky, we first use the path_id to get
-    the source range of the pipe expression then use the name of the variable to get
-    the sketchGroup from programMemory.
+    this.subscribeTo({
+      event: 'select_with_point',
+      callback: ({ data }) => {
+        if (!data?.entity_id) return
+        if (
+          ![
+            this.defaultPlanes.xy,
+            this.defaultPlanes.yz,
+            this.defaultPlanes.xz,
+          ].includes(data.entity_id)
+        )
+          return
+        this.onPlaneSelectCallback(data.entity_id)
+      },
+    })
+  }
+  planesInitialized(): boolean {
+    return (
+      this.defaultPlanes.xy !== '' &&
+      this.defaultPlanes.yz !== '' &&
+      this.defaultPlanes.xz !== ''
+    )
+  }
 
-    I feel queezy about relying on all these steps to always line up.
-    We have also had to pollute this EngineCommandManager class with knowledge of both the ast and programMemory
-    We should get the cmd_ids to match with the segment ids and delete this method.
-    */
-    const pathInfoProms = []
-    for (const [id, artifact] of Object.entries(this.artifactMap)) {
-      if (artifact.commandType === 'start_path') {
-        pathInfoProms.push(
-          this.sendSceneCommand({
+  onPlaneSelectCallback = (id: string) => {}
+  onPlaneSelected(callback: (id: string) => void) {
+    this.onPlaneSelectCallback = callback
+  }
+
+  async setPlaneHidden(id: string, hidden: boolean): Promise<string> {
+    return await this.sendSceneCommand({
       type: 'modeling_cmd_req',
       cmd_id: uuidv4(),
       cmd: {
-              type: 'path_get_info',
-              path_id: id,
+        type: 'object_visible',
+        object_id: id,
+        hidden: hidden,
       },
-          }).then(({ data }) => ({
-            originalId: id,
-            segments: data?.data?.segments,
-          }))
-        )
-      }
-    }
-
-    const pathInfos = await Promise.all(pathInfoProms)
-    pathInfos.forEach(({ originalId, segments }) => {
-      const originalArtifact = this.artifactMap[originalId]
-      if (!originalArtifact || originalArtifact.type === 'pending') {
-        return
-      }
-      const pipeExpPath = getNodePathFromSourceRange(
-        ast,
-        originalArtifact.range
-      )
-      const pipeExp = getNodeFromPath<VariableDeclarator>(
-        ast,
-        pipeExpPath,
-        'VariableDeclarator'
-      ).node
-      if (pipeExp.type !== 'VariableDeclarator') {
-        return
-      }
-      const variableName = pipeExp.id.name
-      const memoryItem = programMemory.root[variableName]
-      if (!memoryItem) {
-        return
-      } else if (memoryItem.type !== 'SketchGroup') {
-        return
-      }
-
-      const relevantSegments = segments.filter(
-        ({ command_id }: { command_id: string | null }) => command_id
-      )
-      if (memoryItem.value.length !== relevantSegments.length) {
-        return
-      }
-      for (let i = 0; i < relevantSegments.length; i++) {
-        const engineSegment = relevantSegments[i]
-        const memorySegment = memoryItem.value[i]
-        const oldId = memorySegment.__geoMeta.id
-        const artifact = this.artifactMap[oldId]
-        delete this.artifactMap[oldId]
-        delete this.sourceRangeMap[oldId]
-        if (artifact) {
-          this.artifactMap[engineSegment.command_id] = artifact
-          this.sourceRangeMap[engineSegment.command_id] = artifact.range
-        }
-      }
     })
   }
+
+  private async createPlane({
+    x_axis,
+    y_axis,
+    color,
+  }: {
+    x_axis: Models['Point3d_type']
+    y_axis: Models['Point3d_type']
+    color: Models['Color_type']
+  }): Promise<string> {
+    const planeId = uuidv4()
+    await this.sendSceneCommand({
+      type: 'modeling_cmd_req',
+      cmd: {
+        type: 'make_plane',
+        size: 60,
+        origin: { x: 0, y: 0, z: 0 },
+        x_axis,
+        y_axis,
+        clobber: false,
+        hide: true,
+      },
+      cmd_id: planeId,
+    })
+    await this.sendSceneCommand({
+      type: 'modeling_cmd_req',
+      cmd: {
+        type: 'plane_set_color',
+        plane_id: planeId,
+        color,
+      },
+      cmd_id: uuidv4(),
+    })
+    await this.setPlaneHidden(planeId, true)
+    return planeId
+  }
 }
+
+export const engineCommandManager = new EngineCommandManager()

src/lang/std/sketch.test.ts

@@ -6,13 +6,9 @@ import {
   getXComponent,
   addCloseToPipe,
 } from './sketch'
-import { parser_wasm } from '../abstractSyntaxTree'
+import { parse, recast, initPromise } from '../wasm'
 import { getNodePathFromSourceRange } from '../queryAst'
-import { recast } from '../recast'
 import { enginelessExecutor } from '../../lib/testHelpers'
-import { initPromise } from '../rust'
-
-beforeAll(() => initPromise)
 
 const eachQuad: [number, [number, number]][] = [
   [-315, [1, 1]],
@@ -29,6 +25,8 @@ const eachQuad: [number, [number, number]][] = [
   [675, [1, -1]],
 ]
 
+beforeAll(() => initPromise)
+
 describe('testing getYComponent', () => {
   it('should return the vertical component of a vector correctly when given angles in each quadrant (and with angles < 0, or > 360)', () => {
     const expected: [number, number][] = []
@@ -98,15 +96,16 @@ describe('testing changeSketchArguments', () => {
   const lineAfterChange = 'lineTo([2, 3], %)'
   test('changeSketchArguments', async () => {
     // Enable rotations #152
-    const genCode = (line: string) => `const mySketch001 = startSketchAt([0, 0])
+    const genCode = (line: string) => `const mySketch001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> ${line}
   |> lineTo([0.46, -5.82], %)
-// |> rx(45, %)
+  // |> rx(45, %)
 show(mySketch001)
 `
     const code = genCode(lineToChange)
     const expectedCode = genCode(lineAfterChange)
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const programMemory = await enginelessExecutor(ast)
     const sourceStart = code.indexOf(lineToChange)
     const { modifiedAst } = changeSketchArguments(
@@ -114,20 +113,6 @@ show(mySketch001)
       programMemory,
       [sourceStart, sourceStart + lineToChange.length],
       [2, 3],
-      {
-        mode: 'sketch',
-        sketchMode: 'sketchEdit',
-        pathId: '',
-        rotation: [0, 0, 0, 1],
-        position: [0, 0, 0],
-        pathToNode: [
-          ['body', ''],
-          [0, 'index'],
-          ['declarations', 'VariableDeclaration'],
-          [0, 'index'],
-          ['init', 'VariableDeclarator'],
-        ],
-      },
       [0, 0]
     )
     expect(recast(modifiedAst)).toBe(expectedCode)
@@ -139,15 +124,16 @@ describe('testing addNewSketchLn', () => {
   test('addNewSketchLn', async () => {
     // Enable rotations #152
     const code = `
-const mySketch001 = startSketchAt([0, 0])
+const mySketch001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   // |> rx(45, %)
   |> lineTo([-1.59, -1.54], %)
   |> lineTo([0.46, -5.82], %)
 show(mySketch001)`
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const programMemory = await enginelessExecutor(ast)
     const sourceStart = code.indexOf(lineToChange)
-    expect(sourceStart).toBe(66)
+    expect(sourceStart).toBe(95)
     let { modifiedAst } = addNewSketchLn({
       node: ast,
       programMemory,
@@ -162,7 +148,8 @@ show(mySketch001)`
       ],
     })
     // Enable rotations #152
-    let expectedCode = `const mySketch001 = startSketchAt([0, 0])
+    let expectedCode = `const mySketch001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   // |> rx(45, %)
   |> lineTo([-1.59, -1.54], %)
   |> lineTo([0.46, -5.82], %)
@@ -183,7 +170,8 @@ show(mySketch001)
       ],
     })
 
-    expectedCode = `const mySketch001 = startSketchAt([0, 0])
+    expectedCode = `const mySketch001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   // |> rx(45, %)
   |> lineTo([-1.59, -1.54], %)
   |> lineTo([0.46, -5.82], %)
@@ -198,14 +186,15 @@ describe('testing addTagForSketchOnFace', () => {
   it('needs to be in it', async () => {
     const originalLine = 'lineTo([-1.59, -1.54], %)'
     // Enable rotations #152
-    const genCode = (line: string) => `const mySketch001 = startSketchAt([0, 0])
+    const genCode = (line: string) => `const mySketch001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   // |> rx(45, %)
   |> ${line}
   |> lineTo([0.46, -5.82], %)
 show(mySketch001)
 `
     const code = genCode(originalLine)
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const programMemory = await enginelessExecutor(ast)
     const sourceStart = code.indexOf(originalLine)
     const sourceRange: [number, number] = [

src/lang/std/sketch.ts

@@ -4,9 +4,6 @@ import {
   SketchGroup,
   SourceRange,
   PathToNode,
-  MemoryItem,
-} from '../executor'
-import {
   Program,
   PipeExpression,
   CallExpression,
@@ -14,14 +11,14 @@ import {
   Value,
   Literal,
   VariableDeclaration,
-} from '../abstractSyntaxTreeTypes'
+} from '../wasm'
 import {
   getNodeFromPath,
   getNodeFromPathCurry,
   getNodePathFromSourceRange,
 } from '../queryAst'
 import { isLiteralArrayOrStatic } from './sketchcombos'
-import { GuiModes, toolTips, ToolTip } from '../../useStore'
+import { toolTips, ToolTip } from '../../useStore'
 import { createPipeExpression, splitPathAtPipeExpression } from '../modifyAst'
 import { generateUuidFromHashSeed } from '../../lib/uuid'
 
@@ -38,7 +35,6 @@ import {
   findUniqueName,
 } from '../modifyAst'
 import { roundOff, getLength, getAngle } from '../../lib/utils'
-import { getSketchSegmentFromSourceRange } from './sketchConstraints'
 import { perpendicularDistance } from 'sketch-helpers'
 
 export type Coords2d = [number, number]
@@ -213,7 +209,11 @@ export const line: SketchLineHelper = {
       pipe.body[callIndex] = callExp
       return {
         modifiedAst: _node,
-        pathToNode,
+        pathToNode: [
+          ...pathToNode,
+          ['body', 'PipeExpression'],
+          [callIndex, 'CallExpression'],
+        ],
         valueUsedInTransform,
       }
     }
@@ -224,6 +224,14 @@ export const line: SketchLineHelper = {
     ])
     if (pipe.type === 'PipeExpression') {
       pipe.body = [...pipe.body, callExp]
+      return {
+        modifiedAst: _node,
+        pathToNode: [
+          ...pathToNode,
+          ['body', 'PipeExpression'],
+          [pipe.body.length - 1, 'CallExpression'],
+        ],
+      }
     } else {
       varDec.init = createPipeExpression([varDec.init, callExp])
     }
@@ -912,16 +920,14 @@ export function changeSketchArguments(
   programMemory: ProgramMemory,
   sourceRange: SourceRange,
   args: [number, number],
-  guiMode: GuiModes,
   from: [number, number]
-): { modifiedAst: Program } {
+): { modifiedAst: Program; pathToNode: PathToNode } {
   const _node = { ...node }
   const thePath = getNodePathFromSourceRange(_node, sourceRange)
   const { node: callExpression, shallowPath } = getNodeFromPath<CallExpression>(
     _node,
     thePath
   )
-  if (guiMode.mode !== 'sketch') throw new Error('not in sketch mode')
 
   if (callExpression?.callee?.name in sketchLineHelperMap) {
     const { updateArgs } = sketchLineHelperMap[callExpression.callee.name]
@@ -935,7 +941,7 @@ export function changeSketchArguments(
     })
   }
 
-  throw new Error('not a sketch line helper')
+  throw new Error(`not a sketch line helper: ${callExpression?.callee?.name}`)
 }
 
 interface CreateLineFnCallArgs {
@@ -965,6 +971,7 @@ export function addNewSketchLn({
   pathToNode,
 }: Omit<CreateLineFnCallArgs, 'from'>): {
   modifiedAst: Program
+  pathToNode: PathToNode
 } {
   const node = JSON.parse(JSON.stringify(_node))
   const { add, updateArgs } = sketchLineHelperMap?.[fnName] || {}

src/lang/std/sketchConstraints.test.ts

@@ -1,14 +1,11 @@
-import { parser_wasm } from '../abstractSyntaxTree'
-import { SketchGroup } from '../executor'
+import { parse, SketchGroup, recast, initPromise } from '../wasm'
 import {
   ConstraintType,
   getTransformInfos,
   transformAstSketchLines,
 } from './sketchcombos'
-import { recast } from '../recast'
-import { initPromise } from '../rust'
 import { getSketchSegmentFromSourceRange } from './sketchConstraints'
-import { Selection } from '../../useStore'
+import { Selection } from 'lib/selections'
 import { enginelessExecutor } from '../../lib/testHelpers'
 
 beforeAll(() => initPromise)
@@ -31,7 +28,7 @@ async function testingSwapSketchFnCall({
     type: 'default',
     range: [startIndex, startIndex + callToSwap.length],
   }
-  const ast = parser_wasm(inputCode)
+  const ast = parse(inputCode)
   const programMemory = await enginelessExecutor(ast)
   const selections = {
     codeBasedSelections: [range],
@@ -55,7 +52,8 @@ async function testingSwapSketchFnCall({
 
 describe('testing swaping out sketch calls with xLine/xLineTo', () => {
   const bigExampleArr = [
-    `const part001 = startSketchAt([0, 0])`,
+    `const part001 = startSketchOn('XY')`,
+    `  |> startProfileAt([0, 0], %)`,
     `  |> lineTo({ to: [1, 1], tag: 'abc1' }, %)`,
     `  |> line({ to: [-2.04, -0.7], tag: 'abc2' }, %)`,
     `  |> angledLine({`,
@@ -280,7 +278,8 @@ describe('testing swaping out sketch calls with xLine/xLineTo while keeping vari
     `const angledLineOfYLengthY = 0.89`,
     `const angledLineToXx = -1.86`,
     `const angledLineToYy = -0.76`,
-    `const part001 = startSketchAt([0, 0])`,
+    `const part001 = startSketchOn('XY')`,
+    `  |> startProfileAt([0, 0], %)`,
     // `  |> rx(90, %)`,
     `  |> lineTo([1, 1], %)`,
     `  |> line([lineX, 2.13], %)`,
@@ -374,14 +373,15 @@ describe('testing swaping out sketch calls with xLine/xLineTo while keeping vari
 
 describe('testing getSketchSegmentIndexFromSourceRange', () => {
   const code = `
-const part001 = startSketchAt([0, 0.04]) // segment-in-start
+const part001 = startSketchOn('XY')
+  |> startProfileAt([0, 0.04], %) // segment-in-start
   |> line([0, 0.4], %)
   |> xLine(3.48, %)
   |> line([2.14, 1.35], %) // normal-segment
   |> xLine(3.54, %)
 show(part001)`
   it('normal case works', async () => {
-    const programMemory = await enginelessExecutor(parser_wasm(code))
+    const programMemory = await enginelessExecutor(parse(code))
     const index = code.indexOf('// normal-segment') - 7
     const { __geoMeta, ...segment } = getSketchSegmentFromSourceRange(
       programMemory.root['part001'] as SketchGroup,
@@ -395,7 +395,7 @@ show(part001)`
     })
   })
   it('verify it works when the segment is in the `start` property', async () => {
-    const programMemory = await enginelessExecutor(parser_wasm(code))
+    const programMemory = await enginelessExecutor(parse(code))
     const index = code.indexOf('// segment-in-start') - 7
     const { __geoMeta, ...segment } = getSketchSegmentFromSourceRange(
       programMemory.root['part001'] as SketchGroup,

src/lang/std/sketchConstraints.ts

@@ -3,8 +3,10 @@ import {
   Program,
   VariableDeclarator,
   CallExpression,
-} from '../abstractSyntaxTreeTypes'
-import { SketchGroup, SourceRange, Path } from '../executor'
+  SketchGroup,
+  SourceRange,
+  Path,
+} from '../wasm'
 
 export function getSketchSegmentFromSourceRange(
   sketchGroup: SketchGroup,

src/lang/std/sketchcombos.test.ts

@@ -1,5 +1,4 @@
-import { parser_wasm } from '../abstractSyntaxTree'
-import { Value } from '../abstractSyntaxTreeTypes'
+import { parse, Value, recast, initPromise } from '../wasm'
 import {
   getConstraintType,
   getTransformInfos,
@@ -8,10 +7,9 @@ import {
   ConstraintType,
   getConstraintLevelFromSourceRange,
 } from './sketchcombos'
-import { initPromise } from '../rust'
-import { Selections, ToolTip } from '../../useStore'
+import { ToolTip } from '../../useStore'
+import { Selections } from 'lib/selections'
 import { enginelessExecutor } from '../../lib/testHelpers'
-import { recast } from '../../lang/recast'
 
 beforeAll(() => initPromise)
 
@@ -63,7 +61,7 @@ describe('testing getConstraintType', () => {
 function getConstraintTypeFromSourceHelper(
   code: string
 ): ReturnType<typeof getConstraintType> {
-  const ast = parser_wasm(code)
+  const ast = parse(code)
   const args = (ast.body[0] as any).expression.arguments[0].elements as [
     Value,
     Value
@@ -74,7 +72,7 @@ function getConstraintTypeFromSourceHelper(
 function getConstraintTypeFromSourceHelper2(
   code: string
 ): ReturnType<typeof getConstraintType> {
-  const ast = parser_wasm(code)
+  const ast = parse(code)
   const arg = (ast.body[0] as any).expression.arguments[0] as Value
   const fnName = (ast.body[0] as any).expression.callee.name as ToolTip
   return getConstraintType(arg, fnName)
@@ -95,7 +93,8 @@ const myVar2 = 5
 const myVar3 = 6
 const myAng = 40
 const myAng2 = 134
-const part001 = startSketchAt([0, 0])
+const part001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> line([1, 3.82], %) // ln-should-get-tag
   |> lineTo([myVar, 1], %) // ln-lineTo-xAbsolute should use angleToMatchLengthX helper
   |> lineTo([1, myVar], %) // ln-lineTo-yAbsolute should use angleToMatchLengthY helper
@@ -131,7 +130,8 @@ const myVar2 = 5
 const myVar3 = 6
 const myAng = 40
 const myAng2 = 134
-const part001 = startSketchAt([0, 0])
+const part001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> line({ to: [1, 3.82], tag: 'seg01' }, %) // ln-should-get-tag
   |> angledLineToX([
        -angleToMatchLengthX('seg01', myVar, %),
@@ -199,7 +199,7 @@ const part001 = startSketchAt([0, 0])
 show(part001)
 `
   it('should transform the ast', async () => {
-    const ast = parser_wasm(inputScript)
+    const ast = parse(inputScript)
     const selectionRanges: Selections['codeBasedSelections'] = inputScript
       .split('\n')
       .filter((ln) => ln.includes('//'))
@@ -234,7 +234,8 @@ describe('testing transformAstForSketchLines for vertical and horizontal constra
   const inputScript = `const myVar = 2
 const myVar2 = 12
 const myVar3 = -10
-const part001 = startSketchAt([0, 0])
+const part001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> lineTo([1, 1], %)
   |> line([-6.28, 1.4], %) // select for horizontal constraint 1
   |> line([-1.07, myVar], %) // select for vertical constraint 1
@@ -262,7 +263,8 @@ show(part001)
     const expectModifiedScript = `const myVar = 2
 const myVar2 = 12
 const myVar3 = -10
-const part001 = startSketchAt([0, 0])
+const part001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> lineTo([1, 1], %)
   |> xLine(-6.28, %) // select for horizontal constraint 1
   |> line([-1.07, myVar], %) // select for vertical constraint 1
@@ -286,7 +288,7 @@ const part001 = startSketchAt([0, 0])
   |> angledLineToY([301, myVar], %) // select for vertical constraint 10
 show(part001)
 `
-    const ast = parser_wasm(inputScript)
+    const ast = parse(inputScript)
     const selectionRanges: Selections['codeBasedSelections'] = inputScript
       .split('\n')
       .filter((ln) => ln.includes('// select for horizontal constraint'))
@@ -320,7 +322,8 @@ show(part001)
     const expectModifiedScript = `const myVar = 2
 const myVar2 = 12
 const myVar3 = -10
-const part001 = startSketchAt([0, 0])
+const part001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> lineTo([1, 1], %)
   |> line([-6.28, 1.4], %) // select for horizontal constraint 1
   |> yLine(myVar, %) // select for vertical constraint 1
@@ -344,7 +347,7 @@ const part001 = startSketchAt([0, 0])
   |> yLineTo(myVar, %) // select for vertical constraint 10
 show(part001)
 `
-    const ast = parser_wasm(inputScript)
+    const ast = parse(inputScript)
     const selectionRanges: Selections['codeBasedSelections'] = inputScript
       .split('\n')
       .filter((ln) => ln.includes('// select for vertical constraint'))
@@ -379,7 +382,8 @@ show(part001)
 describe('testing transformAstForSketchLines for vertical and horizontal distance constraints', () => {
   describe('testing setHorzDistance for line', () => {
     const inputScript = `const myVar = 1
-const part001 = startSketchAt([0, 0])
+const part001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> line([0.31, 1.67], %) // base selection
   |> line([0.45, 1.46], %)
   |> line([0.45, 1.46], %) // free
@@ -435,7 +439,7 @@ async function helperThing(
   linesOfInterest: string[],
   constraint: ConstraintType
 ): Promise<string> {
-  const ast = parser_wasm(inputScript)
+  const ast = parse(inputScript)
   const selectionRanges: Selections['codeBasedSelections'] = inputScript
     .split('\n')
     .filter((ln) =>
@@ -480,7 +484,8 @@ const baseThickHalf = baseThick / 2
 const halfHeight = totalHeight / 2
 const halfArmAngle = armAngle / 2
 
-const part001 = startSketchAt([-0.01, -0.05])
+const part001 = startSketchOn('XY')
+  |> startProfileAt([-0.01, -0.05], %)
   |> line([0.01, 0.94 + 0], %) // partial
   |> xLine(3.03, %) // partial
   |> angledLine({
@@ -498,7 +503,7 @@ const part001 = startSketchAt([-0.01, -0.05])
   |> xLine(-3.43 + 0, %) // full
   |> angledLineOfXLength([243 + 0, 1.2 + 0], %) // full
 show(part001)`
-    const ast = parser_wasm(code)
+    const ast = parse(code)
     const constraintLevels: ReturnType<
       typeof getConstraintLevelFromSourceRange
     >[] = ['full', 'partial', 'free']

src/lang/std/sketchcombos.ts

@@ -1,12 +1,15 @@
 import { TransformCallback } from './stdTypes'
-import { Selections, toolTips, ToolTip, Selection } from '../../useStore'
+import { toolTips, ToolTip } from '../../useStore'
+import { Selections, Selection } from 'lib/selections'
 import {
   CallExpression,
   Program,
   Value,
   BinaryPart,
   VariableDeclarator,
-} from '../abstractSyntaxTreeTypes'
+  PathToNode,
+  ProgramMemory,
+} from '../wasm'
 import {
   getNodeFromPath,
   getNodeFromPathCurry,
@@ -25,10 +28,8 @@ import {
   giveSketchFnCallTag,
 } from '../modifyAst'
 import { createFirstArg, getFirstArg, replaceSketchLine } from './sketch'
-import { PathToNode, ProgramMemory } from '../executor'
 import { getSketchSegmentFromSourceRange } from './sketchConstraints'
 import { getAngle, roundOff, normaliseAngle } from '../../lib/utils'
-import { MemoryItem } from 'wasm-lib/kcl/bindings/MemoryItem'
 
 type LineInputsType =
   | 'xAbsolute'
@@ -1279,7 +1280,7 @@ export function getTransformInfos(
     }) as TransformInfo[]
     return theTransforms
   } catch (error) {
-    console.log(error)
+    console.log('error', error)
     return []
   }
 }
@@ -1306,7 +1307,7 @@ export function getRemoveConstraintsTransforms(
   return theTransforms
 }
 
-type PathToNodeMap = { [key: number]: PathToNode }
+export type PathToNodeMap = { [key: number]: PathToNode }
 
 export function transformSecondarySketchLinesTagFirst({
   ast,

src/lang/std/std.test.ts

@@ -1,12 +1,12 @@
-import { parser_wasm } from '../abstractSyntaxTree'
+import { parse, initPromise } from '../wasm'
 import { enginelessExecutor } from '../../lib/testHelpers'
-import { initPromise } from '../rust'
 
 beforeAll(() => initPromise)
 
 describe('testing angledLineThatIntersects', () => {
   it('angledLineThatIntersects should intersect with another line', async () => {
-    const code = (offset: string) => `const part001 = startSketchAt([0, 0])
+    const code = (offset: string) => `const part001 = startSketchOn('XY')
+  |> startProfileAt([0, 0], %)
   |> lineTo({to:[2, 2], tag: "yo"}, %)
   |> lineTo([3, 1], %)
   |> angledLineThatIntersects({
@@ -17,9 +17,9 @@ describe('testing angledLineThatIntersects', () => {
 }, %)
 const intersect = segEndX('yo2', part001)
 show(part001)`
-    const { root } = await enginelessExecutor(parser_wasm(code('-1')))
+    const { root } = await enginelessExecutor(parse(code('-1')))
     expect(root.intersect.value).toBe(1 + Math.sqrt(2))
-    const { root: noOffset } = await enginelessExecutor(parser_wasm(code('0')))
+    const { root: noOffset } = await enginelessExecutor(parse(code('0')))
     expect(noOffset.intersect.value).toBeCloseTo(1)
   })
 })

src/lang/std/stdTypes.ts

@@ -1,7 +1,12 @@
-import { ProgramMemory, Path, SourceRange } from '../executor'
-import { Program, Value } from '../abstractSyntaxTreeTypes'
+import {
+  ProgramMemory,
+  Path,
+  SourceRange,
+  Program,
+  Value,
+  PathToNode,
+} from '../wasm'
 import { ToolTip } from '../../useStore'
-import { PathToNode } from '../executor'
 import { EngineCommandManager } from './engineConnection'
 
 export interface InternalFirstArg {

src/lang/tokeniser.test.ts

@@ -1,5 +1,4 @@
-import { lexer, asyncLexer } from './tokeniser'
-import { initPromise } from './rust'
+import { lexer, initPromise } from './wasm'
 
 beforeAll(() => initPromise)
 
@@ -10,9 +9,9 @@ describe('testing lexer', () => {
     const code3 = `const yo = 45 /* this is a comment
 const ya = 6 */
 const yi=45`
-    expect(await asyncLexer(code)).toEqual(lexer(code))
-    expect(await asyncLexer(code2)).toEqual(lexer(code2))
-    expect(await asyncLexer(code3)).toEqual(lexer(code3))
+    expect(lexer(code)).toEqual(lexer(code))
+    expect(lexer(code2)).toEqual(lexer(code2))
+    expect(lexer(code3)).toEqual(lexer(code3))
   })
   it('test lexer', () => {
     expect(stringSummaryLexer('1  + 2')).toEqual([