Bump to v0.6.1 (#465)

* initial changes

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* updates

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* fix tests

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* fixes

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* updates

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* bust cache

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* add dumb shit

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* Revert "add dumb shit"

This reverts commit 638e9cf72f75e1ad08fb6b22d2a7b143ab7e06e5.

* Revert "bust cache"

This reverts commit fd6f53ba0757d635190aa82d4b055a83755f3027.

* fix

Signed-off-by: Jess Frazelle <github@jessfraz.com>

---------

Signed-off-by: Jess Frazelle <github@jessfraz.com>

.env.development

@@ -1,7 +1,6 @@
-VITE_KC_API_WS_MODELING_URL=wss://api.dev.kittycad.io/ws/modeling/commands
-VITE_KC_API_BASE_URL=https://api.dev.kittycad.io
-VITE_KC_SITE_BASE_URL=https://dev.kittycad.io
+VITE_KC_API_WS_MODELING_URL=wss://api.kittycad.io/ws/modeling/commands
+VITE_KC_API_BASE_URL=https://api.kittycad.io
+VITE_KC_SITE_BASE_URL=https://kittycad.io
 VITE_KC_SKIP_AUTH=false
-VITE_KC_CONNECTION_TIMEOUT_MS=5000
-VITE_KC_CONNECTION_WEBRTC_REPORT_STATS_MS=0
+VITE_KC_CONNECTION_TIMEOUT_MS=15000
 VITE_KC_SENTRY_DSN=

.env.production

@@ -3,5 +3,4 @@ VITE_KC_API_BASE_URL=https://api.kittycad.io
 VITE_KC_SITE_BASE_URL=https://kittycad.io
 VITE_KC_SKIP_AUTH=false
 VITE_KC_CONNECTION_TIMEOUT_MS=15000
-VITE_KC_CONNECTION_WEBRTC_REPORT_STATS_MS=30000
 VITE_KC_SENTRY_DSN=https://a814f2f66734989a90367f48feee28ca@o1042111.ingest.sentry.io/4505789425844224

.github/workflows/cargo-clippy.yml

@@ -40,6 +40,17 @@ jobs:
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2.6.1
 
+      - name: Install ffmpeg
+        run: |
+          sudo apt update
+          sudo apt install \
+            ffmpeg \
+            libavformat-dev \
+            libavutil-dev \
+            libclang-dev \
+            libswscale-dev \
+            --no-install-recommends
+
       - name: Run clippy
         run: |
           cd "${{ matrix.dir }}"

.github/workflows/cargo-test.yml

@@ -41,6 +41,16 @@ jobs:
       - uses: taiki-e/install-action@nextest
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2.6.1
+      - name: Install ffmpeg
+        run: |
+          sudo apt update
+          sudo apt install \
+            ffmpeg \
+            libavformat-dev \
+            libavutil-dev \
+            libclang-dev \
+            libswscale-dev \
+            --no-install-recommends
       - name: cargo test
         shell: bash
         run: |-

.github/workflows/ci.yml

@@ -1,4 +1,4 @@
-name: CI 
+name: CI
 
 on:
   pull_request:
@@ -13,17 +13,31 @@ jobs:
   check-format:
     runs-on: 'ubuntu-20.04'
     steps:
-
       - uses: actions/checkout@v3
-
       - uses: actions/setup-node@v3
         with:
           node-version-file: '.nvmrc'
-
+          cache: 'yarn'
       - run: yarn install
-
       - run: yarn fmt-check
 
+  check-types:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'yarn'
+      - run: yarn install
+      - uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: "./src/wasm-lib"
+
+      - run: yarn build:wasm
+      - run: yarn tsc
+
 
   build-test-web:
     runs-on: ubuntu-20.04
@@ -36,12 +50,15 @@ jobs:
       - uses: actions/setup-node@v3
         with:
           node-version-file: '.nvmrc'
+          cache: 'yarn'
 
       - run: yarn install
 
-      - run: yarn build:wasm
+      - uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: "./src/wasm-lib"
 
-      - run: yarn tsc
+      - run: yarn build:wasm
 
       - run: yarn simpleserver:ci
 
@@ -49,14 +66,12 @@ jobs:
 
       - run: yarn test:cov
 
-      - run: yarn test:rust
-      
       - id: export_version
         run: echo "version=`cat package.json | jq -r '.version'`" >> "$GITHUB_OUTPUT"
 
 
   build-apps:
-    needs: [check-format, build-test-web]
+    needs: [check-format, build-test-web, check-types]
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
@@ -87,6 +102,10 @@ jobs:
         with:
           workspaces: './src-tauri -> target'
 
+      - uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: "./src/wasm-lib"
+
       - name: wasm prep
         shell: bash
         run: |
@@ -110,15 +129,22 @@ jobs:
       - name: Fix format
         run: yarn fmt
 
+      - name: install apple silicon target mac
+        if: matrix.os == 'macos-latest'
+        run: |
+          rustup target add aarch64-apple-darwin
+
       - name: Build the app for the current platform (no upload)
         uses: tauri-apps/tauri-action@v0
         env:
           TAURI_PRIVATE_KEY: ${{ secrets.TAURI_PRIVATE_KEY }}
           TAURI_KEY_PASSWORD: ${{ secrets.TAURI_KEY_PASSWORD }}
+        with:
+          args: ${{ matrix.os == 'macos-latest' && '--target universal-apple-darwin' || '' }}
 
       - uses: actions/upload-artifact@v3
         with:
-          path: src-tauri/target/release/bundle/*/*
+          path: ${{ matrix.os == 'macos-latest' && 'src-tauri/target/universal-apple-darwin/release/bundle/*/*' || 'src-tauri/target/release/bundle/*/*' }}
 
 
   publish-apps-release:
@@ -127,20 +153,23 @@ jobs:
     needs: [build-test-web, build-apps]
     env:
       VERSION_NO_V: ${{ needs.build-test-web.outputs.version }}
+      PUB_DATE: ${{ github.event.release.created_at }}
+      NOTES: ${{ github.event.release.body }}
     steps:
 
       - uses: actions/download-artifact@v3
 
       - name: Generate the update static endpoint
         run: |
-          ls -l artifact
-          ls -l artifact/*
+          ls -l artifact/*/*itty*
           DARWIN_SIG=`cat artifact/macos/*.app.tar.gz.sig`
           LINUX_SIG=`cat artifact/appimage/*.AppImage.tar.gz.sig`
           WINDOWS_SIG=`cat artifact/nsis/*.nsis.zip.sig`
           RELEASE_DIR=https://dl.kittycad.io/releases/modeling-app/v${VERSION_NO_V}
           jq --null-input \
             --arg version "v${VERSION_NO_V}" \
+            --arg pub_date "${PUB_DATE}" \
+            --arg notes "${NOTES}" \
             --arg darwin_sig "$DARWIN_SIG" \
             --arg darwin_url "$RELEASE_DIR/macos/KittyCAD%20Modeling.app.tar.gz" \
             --arg linux_sig "$LINUX_SIG" \
@@ -149,11 +178,17 @@ jobs:
             --arg windows_url "$RELEASE_DIR/nsis/KittyCAD%20Modeling_${VERSION_NO_V}_x64-setup.nsis.zip" \
             '{
               "version": $version,
+              "pub_date": $pub_date,
+              "notes": $notes,
               "platforms": {
                 "darwin-x86_64": {
                   "signature": $darwin_sig,
                   "url": $darwin_url
                 },
+                "darwin-aarch64": {
+                  "signature": $darwin_sig,
+                  "url": $darwin_url
+                },
                 "linux-x86_64": {
                   "signature": $linux_sig,
                   "url": $linux_url
@@ -166,6 +201,34 @@ jobs:
             }' > last_update.json
             cat last_update.json
 
+      - name: Generate the download static endpoint
+        run: |
+          RELEASE_DIR=https://dl.kittycad.io/releases/modeling-app/v${VERSION_NO_V}
+          jq --null-input \
+            --arg version "v${VERSION_NO_V}" \
+            --arg pub_date "${PUB_DATE}" \
+            --arg notes "${NOTES}" \
+            --arg darwin_url "$RELEASE_DIR/dmg/KittyCAD%20Modeling_${VERSION_NO_V}_universal.dmg" \
+            --arg linux_url "$RELEASE_DIR/appimage/kittycad-modeling_${VERSION_NO_V}_amd64.AppImage" \
+            --arg windows_url "$RELEASE_DIR/msi/KittyCAD%20Modeling_${VERSION_NO_V}_x64_en-US.msi.zip" \
+            '{
+              "version": $version,
+              "pub_date": $pub_date,
+              "notes": $notes,
+              "platforms": {
+                "dmg-universal": {
+                  "url": $darwin_url
+                },
+                "appimage-x86_64": {
+                  "url": $linux_url
+                },
+                "msi-x86_64": {
+                  "url": $windows_url
+                }
+              }
+            }' > last_download.json
+            cat last_download.json
+
       - name: Authenticate to Google Cloud
         uses: 'google-github-actions/auth@v1.1.1'
         with:
@@ -175,22 +238,28 @@ jobs:
         uses: google-github-actions/setup-gcloud@v1.1.1
         with:
           project_id: kittycadapi
-      
+
       - name: Upload release files to public bucket
         uses: google-github-actions/upload-cloud-storage@v1.0.3
         with:
           path: artifact
-          glob: '*/*'
+          glob: '*/*itty*'
           parent: false
-          destination: dl.kittycad.io/releases/modeling-app/v${{ env.VERSION_NO_V }} 
-      
+          destination: dl.kittycad.io/releases/modeling-app/v${{ env.VERSION_NO_V }}
+
       - 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
 
+      - 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
+
       - name: Upload release files to Github
         uses: softprops/action-gh-release@v1
         with:
-          files: artifact/*/*
+          files: artifact/*/*itty*

.prettierignore

@@ -5,3 +5,5 @@ coverage
 # Ignore Rust projects:
 *.rs
 target
+src/wasm-lib/pkg
+src/wasm-lib/kcl/bindings

README.md

@@ -86,3 +86,24 @@ The PR may serve as a place to discuss the human-readable changelog and extra QA
 3. Create a new release and tag pointing to the bump version commit using semantic versioning `v{x}.{y}.{z}`
 
 4. A new Action kicks in at https://github.com/KittyCAD/modeling-app/actions, uploading artifacts to the release
+
+## Fuzzing the parser
+
+Make sure you install cargo fuzz:
+
+```bash
+$ cargo install cargo-fuzz
+```
+
+```bash
+$ cd src/wasm-lib/kcl
+
+# list the fuzz targets
+$ cargo fuzz list
+
+# run the parser fuzzer
+$ cargo +nightly fuzz run parser
+```
+
+For more information on fuzzing you can check out 
+[this guide](https://rust-fuzz.github.io/book/cargo-fuzz.html).

package.json

@@ -1,6 +1,6 @@
 {
   "name": "untitled-app",
-  "version": "0.3.1",
+  "version": "0.6.1",
   "private": true,
   "dependencies": {
     "@codemirror/autocomplete": "^6.9.0",
@@ -10,7 +10,7 @@
     "@fortawesome/react-fontawesome": "^0.2.0",
     "@headlessui/react": "^1.7.13",
     "@headlessui/tailwindcss": "^0.2.0",
-    "@kittycad/lib": "^0.0.35",
+    "@kittycad/lib": "^0.0.37",
     "@lezer/javascript": "^1.4.7",
     "@open-rpc/client-js": "^1.8.1",
     "@react-hook/resize-observer": "^1.2.6",
@@ -70,7 +70,7 @@
     "fmt": "prettier --write ./src",
     "fmt-check": "prettier --check ./src",
     "build:wasm": "yarn wasm-prep && (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 && yarn remove-importmeta",
-    "remove-importmeta": "sed -i 's/import.meta.url//g' \"./src/wasm-lib/pkg/wasm_lib.js\"; sed -i '' 's/import.meta.url//g' \"./src/wasm-lib/pkg/wasm_lib.js\" || echo \"sed for both mac and linux\"",
+    "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\"",
     "wasm-prep": "rm -rf src/wasm-lib/pkg && mkdir src/wasm-lib/pkg && rm -rf src/wasm-lib/kcl/bindings",
     "lint": "eslint --fix src",
     "bump-jsons": "echo \"$(jq --arg v \"$VERSION\" '.version=$v' package.json --indent 2)\" > package.json && echo \"$(jq --arg v \"$VERSION\" '.package.version=$v' src-tauri/tauri.conf.json --indent 2)\" > src-tauri/tauri.conf.json"

src-tauri/tauri.conf.json

@@ -8,7 +8,7 @@
   },
   "package": {
     "productName": "kittycad-modeling",
-    "version": "0.3.1"
+    "version": "0.6.1"
   },
   "tauri": {
     "allowlist": {

src/App.tsx

@@ -2,7 +2,6 @@ import {
   useRef,
   useEffect,
   useLayoutEffect,
-  useMemo,
   useCallback,
   MouseEventHandler,
 } from 'react'
@@ -10,30 +9,20 @@ import { DebugPanel } from './components/DebugPanel'
 import { v4 as uuidv4 } from 'uuid'
 import { asyncParser } from './lang/abstractSyntaxTree'
 import { _executor } from './lang/executor'
-import CodeMirror from '@uiw/react-codemirror'
-import { linter, lintGutter } from '@codemirror/lint'
-import { ViewUpdate, EditorView } from '@codemirror/view'
-import {
-  lineHighlightField,
-  addLineHighlight,
-} from './editor/highlightextension'
-import { PaneType, Selections, useStore } from './useStore'
-import Server from './editor/lsp/server'
-import Client from './editor/lsp/client'
+import { PaneType, useStore } from './useStore'
 import { Logs, KCLErrors } from './components/Logs'
 import { CollapsiblePanel } from './components/CollapsiblePanel'
 import { MemoryPanel } from './components/MemoryPanel'
 import { useHotKeyListener } from './hooks/useHotKeyListener'
 import { Stream } from './components/Stream'
 import ModalContainer from 'react-modal-promise'
-import { FromServer, IntoServer } from './editor/lsp/codec'
 import {
   EngineCommand,
   EngineCommandManager,
 } from './lang/std/engineConnection'
-import { isOverlap, throttle } from './lib/utils'
+import { throttle } from './lib/utils'
 import { AppHeader } from './components/AppHeader'
-import { KCLError, kclErrToDiagnostic } from './lang/errors'
+import { KCLError } from './lang/errors'
 import { Resizable } from 're-resizable'
 import {
   faCode,
@@ -41,96 +30,77 @@ import {
   faSquareRootVariable,
 } from '@fortawesome/free-solid-svg-icons'
 import { useHotkeys } from 'react-hotkeys-hook'
-import { TEST } from './env'
 import { getNormalisedCoordinates } from './lib/utils'
-import { Themes, getSystemTheme } from './lib/theme'
 import { isTauri } from './lib/isTauri'
-import { useLoaderData, useParams } from 'react-router-dom'
-import { writeTextFile } from '@tauri-apps/api/fs'
-import { PROJECT_ENTRYPOINT } from './lib/tauriFS'
+import { useLoaderData } from 'react-router-dom'
 import { IndexLoaderData } from './Router'
-import { toast } from 'react-hot-toast'
 import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
 import { onboardingPaths } from 'routes/Onboarding'
-import { LanguageServerClient } from 'editor/lsp'
-import kclLanguage from 'editor/lsp/language'
+import { cameraMouseDragGuards } from 'lib/cameraControls'
+import { CameraDragInteractionType_type } from '@kittycad/lib/dist/types/src/models'
+import { CodeMenu } from 'components/CodeMenu'
+import { TextEditor } from 'components/TextEditor'
+import { Themes, getSystemTheme } from 'lib/theme'
 
 export function App() {
   const { code: loadedCode, project } = useLoaderData() as IndexLoaderData
-  const pathParams = useParams()
+
   const streamRef = useRef<HTMLDivElement>(null)
   useHotKeyListener()
   const {
-    editorView,
-    setEditorView,
-    setSelectionRanges,
-    selectionRanges,
     addLog,
     addKCLError,
-    code,
     setCode,
     setAst,
     setError,
     setProgramMemory,
     resetLogs,
     resetKCLErrors,
-    selectionRangeTypeMap,
     setArtifactMap,
     engineCommandManager,
     setEngineCommandManager,
+    highlightRange,
     setHighlightRange,
     setCursor2,
-    sourceRangeMap,
     setMediaStream,
     setIsStreamReady,
     isStreamReady,
-    isLSPServerReady,
-    setIsLSPServerReady,
-    isMouseDownInStream,
-    formatCode,
+    buttonDownInStream,
     openPanes,
     setOpenPanes,
     didDragInStream,
-    setDidDragInStream,
     setStreamDimensions,
     streamDimensions,
+    setIsExecuting,
+    defferedCode,
+    guiMode,
   } = useStore((s) => ({
-    editorView: s.editorView,
-    setEditorView: s.setEditorView,
-    setSelectionRanges: s.setSelectionRanges,
-    selectionRanges: s.selectionRanges,
-    setGuiMode: s.setGuiMode,
+    guiMode: s.guiMode,
     addLog: s.addLog,
-    code: s.code,
+    defferedCode: s.defferedCode,
     setCode: s.setCode,
     setAst: s.setAst,
     setError: s.setError,
     setProgramMemory: s.setProgramMemory,
     resetLogs: s.resetLogs,
     resetKCLErrors: s.resetKCLErrors,
-    selectionRangeTypeMap: s.selectionRangeTypeMap,
     setArtifactMap: s.setArtifactNSourceRangeMaps,
     engineCommandManager: s.engineCommandManager,
     setEngineCommandManager: s.setEngineCommandManager,
+    highlightRange: s.highlightRange,
     setHighlightRange: s.setHighlightRange,
-    isShiftDown: s.isShiftDown,
-    setCursor: s.setCursor,
     setCursor2: s.setCursor2,
-    sourceRangeMap: s.sourceRangeMap,
     setMediaStream: s.setMediaStream,
     isStreamReady: s.isStreamReady,
     setIsStreamReady: s.setIsStreamReady,
-    isLSPServerReady: s.isLSPServerReady,
-    setIsLSPServerReady: s.setIsLSPServerReady,
-    isMouseDownInStream: s.isMouseDownInStream,
-    formatCode: s.formatCode,
+    buttonDownInStream: s.buttonDownInStream,
     addKCLError: s.addKCLError,
     openPanes: s.openPanes,
     setOpenPanes: s.setOpenPanes,
     didDragInStream: s.didDragInStream,
-    setDidDragInStream: s.setDidDragInStream,
     setStreamDimensions: s.setStreamDimensions,
     streamDimensions: s.streamDimensions,
+    setIsExecuting: s.setIsExecuting,
   }))
 
   const {
@@ -138,7 +108,7 @@ export function App() {
       context: { token },
     },
     settings: {
-      context: { showDebugPanel, theme, onboardingStatus },
+      context: { showDebugPanel, onboardingStatus, cameraControls, theme },
     },
   } = useGlobalStateContext()
 
@@ -179,80 +149,6 @@ export function App() {
     }
   }, [loadedCode, setCode])
 
-  // const onChange = React.useCallback((value: string, viewUpdate: ViewUpdate) => {
-  const onChange = (value: string, viewUpdate: ViewUpdate) => {
-    setCode(value)
-    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) => {
-          // 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]) })
-    }
-  } //, []);
-  const onUpdate = (viewUpdate: ViewUpdate) => {
-    if (!editorView) {
-      setEditorView(viewUpdate.view)
-    }
-    const ranges = viewUpdate.state.selection.ranges
-
-    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]
-        )
-      })
-
-    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(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 streamWidth = streamRef?.current?.offsetWidth
   const streamHeight = streamRef?.current?.offsetHeight
 
@@ -286,57 +182,77 @@ export function App() {
     let unsubFn: any[] = []
     const asyncWrap = async () => {
       try {
-        if (!code) {
-          setAst(null)
+        if (!defferedCode) {
+          setAst({
+            start: 0,
+            end: 0,
+            body: [],
+            nonCodeMeta: {
+              noneCodeNodes: {},
+              start: null,
+            },
+          })
+          setProgramMemory({ root: {}, return: null })
+          engineCommandManager.endSession()
+          engineCommandManager.startNewSession()
           return
         }
-        const _ast = await asyncParser(code)
+        const _ast = await asyncParser(defferedCode)
         setAst(_ast)
         resetLogs()
         resetKCLErrors()
         engineCommandManager.endSession()
         engineCommandManager.startNewSession()
+        setIsExecuting(true)
         const programMemory = await _executor(
           _ast,
           {
             root: {
               _0: {
-                type: 'userVal',
+                type: 'UserVal',
                 value: 0,
                 __meta: [],
               },
               _90: {
-                type: 'userVal',
+                type: 'UserVal',
                 value: 90,
                 __meta: [],
               },
               _180: {
-                type: 'userVal',
+                type: 'UserVal',
                 value: 180,
                 __meta: [],
               },
               _270: {
-                type: 'userVal',
+                type: 'UserVal',
                 value: 270,
                 __meta: [],
               },
             },
+            return: null,
           },
           engineCommandManager
         )
 
         const { artifactMap, sourceRangeMap } =
           await engineCommandManager.waitForAllCommands()
+        setIsExecuting(false)
+        if (programMemory !== undefined) {
+          setProgramMemory(programMemory)
+        }
 
         setArtifactMap({ artifactMap, sourceRangeMap })
         const unSubHover = engineCommandManager.subscribeToUnreliable({
           event: 'highlight_set_entity',
           callback: ({ data }) => {
-            if (!data?.entity_id) {
-              setHighlightRange([0, 0])
-            } else {
+            if (data?.entity_id) {
               const sourceRange = sourceRangeMap[data.entity_id]
               setHighlightRange(sourceRange)
+            } else if (
+              !highlightRange ||
+              (highlightRange[0] !== 0 && highlightRange[1] !== 0)
+            ) {
+              setHighlightRange([0, 0])
             }
           },
         })
@@ -352,12 +268,10 @@ export function App() {
           },
         })
         unsubFn.push(unSubHover, unSubClick)
-        if (programMemory !== undefined) {
-          setProgramMemory(programMemory)
-        }
 
         setError()
       } catch (e: any) {
+        setIsExecuting(false)
         if (e instanceof KCLError) {
           addKCLError(e)
         } else {
@@ -371,36 +285,73 @@ export function App() {
     return () => {
       unsubFn.forEach((fn) => fn())
     }
-  }, [code, isStreamReady, engineCommandManager])
+  }, [defferedCode, isStreamReady, engineCommandManager])
 
   const debounceSocketSend = throttle<EngineCommand>((message) => {
     engineCommandManager?.sendSceneCommand(message)
   }, 16)
-  const handleMouseMove: MouseEventHandler<HTMLDivElement> = ({
-    clientX,
-    clientY,
-    ctrlKey,
-    shiftKey,
-    currentTarget,
-    nativeEvent,
-  }) => {
-    nativeEvent.preventDefault()
-    if (isMouseDownInStream) {
-      setDidDragInStream(true)
-    }
+  const handleMouseMove: MouseEventHandler<HTMLDivElement> = (e) => {
+    e.nativeEvent.preventDefault()
 
     const { x, y } = getNormalisedCoordinates({
-      clientX,
-      clientY,
-      el: currentTarget,
+      clientX: e.clientX,
+      clientY: e.clientY,
+      el: e.currentTarget,
       ...streamDimensions,
     })
 
-    const interaction = ctrlKey ? 'zoom' : shiftKey ? 'pan' : 'rotate'
-
     const newCmdId = uuidv4()
+    if (buttonDownInStream === undefined) {
+      if (
+        guiMode.mode === 'sketch' &&
+        guiMode.sketchMode === ('sketch_line' as any)
+      ) {
+        debounceSocketSend({
+          type: 'modeling_cmd_req',
+          cmd_id: newCmdId,
+          cmd: {
+            type: 'mouse_move',
+            window: { x, y },
+          },
+        })
+      } else {
+        debounceSocketSend({
+          type: 'modeling_cmd_req',
+          cmd: {
+            type: 'highlight_set_entity',
+            selected_at_window: { x, y },
+          },
+          cmd_id: newCmdId,
+        })
+      }
+    } else {
+      if (guiMode.mode === 'sketch' && guiMode.sketchMode === ('move' as any)) {
+        debounceSocketSend({
+          type: 'modeling_cmd_req',
+          cmd_id: newCmdId,
+          cmd: {
+            type: 'handle_mouse_drag_move',
+            window: { x, y },
+          },
+        })
+        return
+      }
+      const interactionGuards = cameraMouseDragGuards[cameraControls]
+      let interaction: CameraDragInteractionType_type
+
+      const eWithButton = { ...e, button: buttonDownInStream }
+
+      if (interactionGuards.pan.callback(eWithButton)) {
+        interaction = 'pan'
+      } else if (interactionGuards.rotate.callback(eWithButton)) {
+        interaction = 'rotate'
+      } else if (interactionGuards.zoom.dragCallback(eWithButton)) {
+        interaction = 'zoom'
+      } else {
+        console.log('none')
+        return
+      }
 
-    if (isMouseDownInStream) {
       debounceSocketSend({
         type: 'modeling_cmd_req',
         cmd: {
@@ -410,68 +361,9 @@ export function App() {
         },
         cmd_id: newCmdId,
       })
-    } else {
-      debounceSocketSend({
-        type: 'modeling_cmd_req',
-        cmd: {
-          type: 'highlight_set_entity',
-          selected_at_window: { x, y },
-        },
-        cmd_id: newCmdId,
-      })
     }
   }
 
-  const extraExtensions = useMemo(() => {
-    if (TEST) return []
-    return [
-      lintGutter(),
-      linter((_view) => {
-        return kclErrToDiagnostic(useStore.getState().kclErrors)
-      }),
-      EditorView.lineWrapping,
-    ]
-  }, [])
-
-  // So this is a bit weird, we need to initialize the lsp server and client.
-  // But the server happens async so we break this into two parts.
-  // Below is the client and server promise.
-  const { lspClient } = useMemo(() => {
-    const intoServer: IntoServer = new IntoServer()
-    const fromServer: FromServer = FromServer.create()
-    const client = new Client(fromServer, intoServer)
-    if (!TEST) {
-      Server.initialize(intoServer, fromServer).then((lspServer) => {
-        lspServer.start()
-        setIsLSPServerReady(true)
-      })
-    }
-
-    const lspClient = new LanguageServerClient({ client })
-    return { lspClient }
-  }, [setIsLSPServerReady])
-
-  // Here we initialize the plugin which will start the client.
-  // When we have multi-file support the name of the file will be a dep of
-  // this use memo, as well as the directory structure, which I think is
-  // a good setup becuase it will restart the client but not the server :)
-  // We do not want to restart the server, its just wasteful.
-  const kclLSP = useMemo(() => {
-    let plugin = null
-    if (isLSPServerReady && !TEST) {
-      // Set up the lsp plugin.
-      const lsp = kclLanguage({
-        // When we have more than one file, we'll need to change this.
-        documentUri: `file:///we-just-have-one-file-for-now.kcl`,
-        workspaceFolders: null,
-        client: lspClient,
-      })
-
-      plugin = lsp
-    }
-    return plugin
-  }, [lspClient, isLSPServerReady])
-
   return (
     <div
       className="h-screen overflow-hidden relative flex flex-col cursor-pointer select-none"
@@ -482,7 +374,7 @@ export function App() {
         className={
           'transition-opacity transition-duration-75 ' +
           paneOpacity +
-          (isMouseDownInStream ? ' pointer-events-none' : '')
+          (buttonDownInStream ? ' pointer-events-none' : '')
         }
         project={project}
         enableMenu={true}
@@ -491,17 +383,17 @@ export function App() {
       <Resizable
         className={
           'h-full flex flex-col flex-1 z-10 my-5 ml-5 pr-1 transition-opacity transition-duration-75 ' +
-          (isMouseDownInStream || onboardingStatus === 'camera'
+          (buttonDownInStream || onboardingStatus === 'camera'
             ? ' pointer-events-none '
             : ' ') +
           paneOpacity
         }
         defaultSize={{
-          width: '400px',
+          width: '550px',
           height: 'auto',
         }}
         minWidth={200}
-        maxWidth={600}
+        maxWidth={800}
         minHeight={'auto'}
         maxHeight={'auto'}
         handleClasses={{
@@ -513,36 +405,11 @@ export function App() {
           <CollapsiblePanel
             title="Code"
             icon={faCode}
-            className="open:!mb-2 overflow-x-hidden"
+            className="open:!mb-2"
             open={openPanes.includes('code')}
+            menu={<CodeMenu />}
           >
-            <div className="px-2 py-1">
-              <button
-                // disabled={!shouldFormat}
-                onClick={formatCode}
-                // className={`${!shouldFormat && 'text-gray-300'}`}
-              >
-                format
-              </button>
-            </div>
-            <div
-              id="code-mirror-override"
-              className="overflow-x-hidden  h-full"
-            >
-              <CodeMirror
-                className="h-full overflow-hidden-x"
-                value={code}
-                extensions={
-                  kclLSP
-                    ? [kclLSP, lineHighlightField, ...extraExtensions]
-                    : [lineHighlightField, ...extraExtensions]
-                }
-                onChange={onChange}
-                onUpdate={onUpdate}
-                theme={editorTheme}
-                onCreateEditor={(_editorView) => setEditorView(_editorView)}
-              />
-            </div>
+            <TextEditor theme={editorTheme} />
           </CollapsiblePanel>
           <section className="flex flex-col">
             <MemoryPanel
@@ -573,7 +440,7 @@ export function App() {
           className={
             'transition-opacity transition-duration-75 ' +
             paneOpacity +
-            (isMouseDownInStream ? ' pointer-events-none' : '')
+            (buttonDownInStream ? ' pointer-events-none' : '')
           }
           open={openPanes.includes('debug')}
         />

src/Toolbar.tsx

@@ -1,4 +1,4 @@
-import { useStore, toolTips } from './useStore'
+import { useStore, toolTips, Selections } from './useStore'
 import { extrudeSketch, sketchOnExtrudedFace } from './lang/modifyAst'
 import { getNodePathFromSourceRange } from './lang/queryAst'
 import { HorzVert } from './components/Toolbar/HorzVert'
@@ -8,7 +8,6 @@ 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 { ConvertToVariable } from './components/Toolbar/ConvertVariable'
 import { SetAbsDistance } from './components/Toolbar/SetAbsDistance'
 import { SetAngleBetween } from './components/Toolbar/SetAngleBetween'
 import { Fragment, useEffect } from 'react'
@@ -16,6 +15,8 @@ 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'
 
 export const Toolbar = () => {
   const {
@@ -25,6 +26,7 @@ export const Toolbar = () => {
     ast,
     updateAst,
     programMemory,
+    engineCommandManager,
   } = useStore((s) => ({
     guiMode: s.guiMode,
     setGuiMode: s.setGuiMode,
@@ -32,7 +34,9 @@ export const Toolbar = () => {
     ast: s.ast,
     updateAst: s.updateAst,
     programMemory: s.programMemory,
+    engineCommandManager: s.engineCommandManager,
   }))
+  useAppMode()
 
   useEffect(() => {
     console.log('guiMode', guiMode)
@@ -40,7 +44,7 @@ export const Toolbar = () => {
 
   function ToolbarButtons() {
     return (
-      <>
+      <span className="overflow-x-auto">
         {guiMode.mode === 'default' && (
           <button
             onClick={() => {
@@ -72,9 +76,18 @@ export const Toolbar = () => {
             SketchOnFace
           </button>
         )}
-        {(guiMode.mode === 'canEditSketch' || false) && (
+        {guiMode.mode === 'canEditSketch' && (
           <button
             onClick={() => {
+              console.log('guiMode.pathId', guiMode.pathId)
+              engineCommandManager?.sendSceneCommand({
+                type: 'modeling_cmd_req',
+                cmd_id: uuidv4(),
+                cmd: {
+                  type: 'edit_mode_enter',
+                  target: guiMode.pathId,
+                },
+              })
               setGuiMode({
                 mode: 'sketch',
                 sketchMode: 'sketchEdit',
@@ -126,14 +139,23 @@ export const Toolbar = () => {
         )}
 
         {guiMode.mode === 'sketch' && (
-          <button onClick={() => setGuiMode({ mode: 'default' })}>
+          <button
+            onClick={() => {
+              engineCommandManager?.sendSceneCommand({
+                type: 'modeling_cmd_req',
+                cmd_id: uuidv4(),
+                cmd: { type: 'edit_mode_exit' },
+              })
+              setGuiMode({ mode: 'default' })
+            }}
+          >
             Exit sketch
           </button>
         )}
         {toolTips
           .filter(
             // (sketchFnName) => !['angledLineThatIntersects'].includes(sketchFnName)
-            (sketchFnName) => ['line'].includes(sketchFnName)
+            (sketchFnName) => ['sketch_line', 'move'].includes(sketchFnName)
           )
           .map((sketchFnName) => {
             if (
@@ -144,7 +166,18 @@ export const Toolbar = () => {
             return (
               <button
                 key={sketchFnName}
-                onClick={() =>
+                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
@@ -154,17 +187,17 @@ export const Toolbar = () => {
                         }
                       : {
                           sketchMode: sketchFnName,
+                          waitingFirstClick: true,
                           isTooltip: true,
                         }),
                   })
-                }
+                }}
               >
                 {sketchFnName}
                 {guiMode.sketchMode === sketchFnName && '✅'}
               </button>
             )
           })}
-        <ConvertToVariable />
         <HorzVert horOrVert="horizontal" />
         <HorzVert horOrVert="vertical" />
         <EqualLength />
@@ -182,7 +215,7 @@ export const Toolbar = () => {
         <Intersect />
         <RemoveConstrainingValues />
         <SetAngleBetween />
-      </>
+      </span>
     )
   }
 

src/components/AppHeader.tsx

@@ -4,6 +4,7 @@ import { ProjectWithEntryPointMetadata } from '../Router'
 import ProjectSidebarMenu from './ProjectSidebarMenu'
 import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
 import styles from './AppHeader.module.css'
+import { NetworkHealthIndicator } from './NetworkHealthIndicator'
 
 interface AppHeaderProps extends React.PropsWithChildren {
   showToolbar?: boolean
@@ -43,7 +44,8 @@ export const AppHeader = ({
       )}
       {/* If there are children, show them, otherwise show User menu */}
       {children || (
-        <div className="ml-auto">
+        <div className="ml-auto flex items-center gap-1">
+          <NetworkHealthIndicator />
           <UserSidebarMenu user={user} />
         </div>
       )}

src/components/AvailableVarsHelpers.tsx

@@ -144,7 +144,7 @@ export function useCalc({
     try {
       const code = `const __result__ = ${value}\nshow(__result__)`
       const ast = parser_wasm(code)
-      const _programMem: any = { root: {} }
+      const _programMem: any = { root: {}, return: null }
       availableVarInfo.variables.forEach(({ key, value }) => {
         _programMem.root[key] = { type: 'userVal', value, __meta: [] }
       })
@@ -198,29 +198,25 @@ export const CreateNewVariable = ({
   isNewVariableNameUnique,
   setNewVariableName,
   shouldCreateVariable,
-  setShouldCreateVariable,
+  setShouldCreateVariable = () => {},
   showCheckbox = true,
 }: {
   isNewVariableNameUnique: boolean
   newVariableName: string
   setNewVariableName: (a: string) => void
-  shouldCreateVariable: boolean
-  setShouldCreateVariable: (a: boolean) => void
+  shouldCreateVariable?: boolean
+  setShouldCreateVariable?: (a: boolean) => void
   showCheckbox?: boolean
 }) => {
   return (
     <>
-      <label
-        htmlFor="create-new-variable"
-        className="block text-sm font-medium text-gray-700 mt-3 font-mono"
-      >
+      <label htmlFor="create-new-variable" className="block mt-3 font-mono">
         Create new variable
       </label>
-      <div className="mt-1 flex flex-1">
+      <div className="mt-1 flex gap-2 items-center">
         {showCheckbox && (
           <input
             type="checkbox"
-            className="shadow-sm focus:ring-blue-500 focus:border-blue-500 block w-full sm:text-sm border-gray-300 rounded-md font-mono pl-1 flex-shrink"
             checked={shouldCreateVariable}
             onChange={(e) => {
               setShouldCreateVariable(e.target.checked)
@@ -232,7 +228,10 @@ export const CreateNewVariable = ({
           disabled={!shouldCreateVariable}
           name="create-new-variable"
           id="create-new-variable"
-          className={`shadow-sm font-[monospace] focus:ring-blue-500 focus:border-blue-500 block w-full sm:text-sm border-gray-300 rounded-md font-mono pl-1 flex-shrink-0 ${
+          autoFocus={true}
+          autoCapitalize="off"
+          autoCorrect="off"
+          className={`font-mono flex-1 sm:text-sm px-2 py-1 rounded-sm bg-chalkboard-10 dark:bg-chalkboard-90 text-chalkboard-90 dark:text-chalkboard-10 ${
             !shouldCreateVariable ? 'opacity-50' : ''
           }`}
           value={newVariableName}

src/components/CodeMenu.module.css

@@ -0,0 +1,19 @@
+.button {
+  @apply flex justify-between items-center gap-2 px-2 py-1 text-left border-none rounded-sm;
+  @apply font-mono text-xs font-bold select-none text-chalkboard-90;
+  @apply ui-active:bg-liquid-10/50 ui-active:text-liquid-90;
+  @apply transition-colors ease-out;
+}
+
+:global(.dark) .button {
+  @apply text-chalkboard-30;
+  @apply ui-active:bg-chalkboard-80 ui-active:text-liquid-10;
+}
+
+.button small {
+  @apply text-chalkboard-60;
+}
+
+:global(.dark) .button small {
+  @apply text-chalkboard-40;
+}

src/components/CodeMenu.tsx

@@ -0,0 +1,59 @@
+import { Menu } from '@headlessui/react'
+import { PropsWithChildren } from 'react'
+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'
+
+export const CodeMenu = ({ children }: PropsWithChildren) => {
+  const { formatCode } = useStore((s) => ({
+    formatCode: s.formatCode,
+  }))
+  const { enable: convertToVarEnabled, handleClick: handleConvertToVarClick } =
+    useConvertToVariable()
+
+  return (
+    <Menu>
+      <div
+        className="relative"
+        onClick={(e) => {
+          if (e.eventPhase === 3) {
+            e.stopPropagation()
+            e.preventDefault()
+          }
+        }}
+      >
+        <Menu.Button className="p-0 border-none relative">
+          <ActionIcon
+            icon={faEllipsis}
+            bgClassName={
+              'bg-chalkboard-20 dark:bg-chalkboard-110 hover:bg-liquid-10/50 hover:dark:bg-chalkboard-90 ui-active:bg-chalkboard-80 ui-active:dark:bg-chalkboard-90  rounded'
+            }
+            iconClassName={'text-chalkboard-90 dark:text-chalkboard-40'}
+          />
+        </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}>
+              <span>Format code</span>
+              <small>{editorShortcutMeta.formatCode.display}</small>
+            </button>
+          </Menu.Item>
+          {convertToVarEnabled && (
+            <Menu.Item>
+              <button
+                onClick={handleConvertToVarClick}
+                className={styles.button}
+              >
+                <span>Convert to Variable</span>
+                <small>{editorShortcutMeta.convertToVariable.display}</small>
+              </button>
+            </Menu.Item>
+          )}
+        </Menu.Items>
+      </div>
+    </Menu>
+  )
+}

src/components/CollapsiblePanel.module.css

@@ -1,5 +1,5 @@
 .panel {
-  @apply relative overflow-auto z-0;
+  @apply relative z-0;
   @apply bg-chalkboard-10/70 backdrop-blur-sm;
 }
 
@@ -9,7 +9,7 @@
 
 .header {
   @apply sticky top-0 z-10 cursor-pointer;
-  @apply flex items-center gap-2 w-full p-2;
+  @apply flex items-center justify-between gap-2 w-full p-2;
   @apply font-mono text-xs font-bold select-none text-chalkboard-90;
   @apply bg-chalkboard-20;
 }

src/components/CollapsiblePanel.tsx

@@ -8,6 +8,7 @@ export interface CollapsiblePanelProps
   title: string
   icon?: IconDefinition
   open?: boolean
+  menu?: React.ReactNode
   iconClassNames?: {
     bg?: string
     icon?: string
@@ -18,21 +19,27 @@ export const PanelHeader = ({
   title,
   icon,
   iconClassNames,
+  menu,
 }: CollapsiblePanelProps) => {
   return (
     <summary className={styles.header}>
-      <ActionIcon
-        icon={icon}
-        bgClassName={
-          'bg-chalkboard-30 dark:bg-chalkboard-90 group-open:bg-chalkboard-80 rounded ' +
-          (iconClassNames?.bg || '')
-        }
-        iconClassName={
-          'text-chalkboard-90 dark:text-chalkboard-40 group-open:text-liquid-10 ' +
-          (iconClassNames?.icon || '')
-        }
-      />
-      {title}
+      <div className="flex gap-2 align-center flex-1">
+        <ActionIcon
+          icon={icon}
+          bgClassName={
+            'bg-chalkboard-30 dark:bg-chalkboard-90 group-open:bg-chalkboard-80 rounded ' +
+            (iconClassNames?.bg || '')
+          }
+          iconClassName={
+            'text-chalkboard-90 dark:text-chalkboard-40 group-open:text-liquid-10 ' +
+            (iconClassNames?.icon || '')
+          }
+        />
+        {title}
+      </div>
+      <div className="group-open:opacity-100 opacity-0 group-open:pointer-events-auto pointer-events-none">
+        {menu}
+      </div>
     </summary>
   )
 }
@@ -43,6 +50,7 @@ export const CollapsiblePanel = ({
   children,
   className,
   iconClassNames,
+  menu,
   ...props
 }: CollapsiblePanelProps) => {
   return (
@@ -50,7 +58,12 @@ export const CollapsiblePanel = ({
       {...props}
       className={styles.panel + ' group ' + (className || '')}
     >
-      <PanelHeader title={title} icon={icon} iconClassNames={iconClassNames} />
+      <PanelHeader
+        title={title}
+        icon={icon}
+        iconClassNames={iconClassNames}
+        menu={menu}
+      />
       {children}
     </details>
   )

src/components/CommandBar.tsx

@@ -196,7 +196,7 @@ const CommandBar = () => {
           setCommandBarOpen(false)
           clearState()
         }}
-        className="fixed inset-0 overflow-y-auto p-4 pt-[25vh]"
+        className="fixed inset-0 z-40 overflow-y-auto p-4 pt-[25vh]"
       >
         <Transition.Child
           enter="duration-100 ease-out"
@@ -207,7 +207,7 @@ const CommandBar = () => {
           leaveTo="opacity-0"
           as={Fragment}
         >
-          <Dialog.Overlay className="fixed z-40 inset-0 bg-chalkboard-10/70 dark:bg-chalkboard-110/50" />
+          <Dialog.Overlay className="fixed inset-0 bg-chalkboard-10/70 dark:bg-chalkboard-110/50" />
         </Transition.Child>
         <Transition.Child
           enter="duration-100 ease-out"
@@ -221,7 +221,7 @@ const CommandBar = () => {
           <Combobox
             value={selectedCommand}
             onChange={handleCommandSelection}
-            className="rounded relative mx-auto z-40 p-2 bg-chalkboard-10 dark:bg-chalkboard-100 border dark:border-chalkboard-70 max-w-xl w-full shadow-lg"
+            className="rounded relative mx-auto p-2 bg-chalkboard-10 dark:bg-chalkboard-100 border dark:border-chalkboard-70 max-w-xl w-full shadow-lg"
             as="div"
           >
             <div className="flex gap-2 items-center">

src/components/MemoryPanel.test.tsx

@@ -29,6 +29,7 @@ describe('processMemory', () => {
     const ast = parser_wasm(code)
     const programMemory = await enginelessExecutor(ast, {
       root: {},
+      return: null,
     })
     const output = processMemory(programMemory)
     expect(output.myVar).toEqual(5)

src/components/MemoryPanel.tsx

@@ -2,7 +2,7 @@ import ReactJson from 'react-json-view'
 import { CollapsiblePanel, CollapsiblePanelProps } from './CollapsiblePanel'
 import { useStore } from '../useStore'
 import { useMemo } from 'react'
-import { ProgramMemory } from '../lang/executor'
+import { ProgramMemory, Path, ExtrudeSurface } from '../lang/executor'
 import { Themes } from '../lib/theme'
 
 interface MemoryPanelProps extends CollapsiblePanelProps {
@@ -49,8 +49,12 @@ export const processMemory = (programMemory: ProgramMemory) => {
   Object.keys(programMemory.root).forEach((key) => {
     const val = programMemory.root[key]
     if (typeof val.value !== 'function') {
-      if (val.type === 'sketchGroup' || val.type === 'extrudeGroup') {
-        processedMemory[key] = val.value.map(({ __geoMeta, ...rest }) => {
+      if (val.type === 'SketchGroup') {
+        processedMemory[key] = val.value.map(({ __geoMeta, ...rest }: Path) => {
+          return rest
+        })
+      } else if (val.type === 'ExtrudeGroup') {
+        processedMemory[key] = val.value.map(({ ...rest }: ExtrudeSurface) => {
           return rest
         })
       } else {

src/components/NetworkHealthIndicator.test.tsx

@@ -0,0 +1,51 @@
+import { fireEvent, render, screen } from '@testing-library/react'
+import UserSidebarMenu from './UserSidebarMenu'
+import { BrowserRouter } from 'react-router-dom'
+import { GlobalStateProvider } from './GlobalStateProvider'
+import CommandBarProvider from './CommandBar'
+import {
+  NETWORK_CONTENT,
+  NetworkHealthIndicator,
+} from './NetworkHealthIndicator'
+
+function TestWrap({ children }: { children: React.ReactNode }) {
+  // wrap in router and xState context
+  return (
+    <BrowserRouter>
+      <CommandBarProvider>
+        <GlobalStateProvider>{children}</GlobalStateProvider>
+      </CommandBarProvider>
+    </BrowserRouter>
+  )
+}
+
+describe('NetworkHealthIndicator tests', () => {
+  test('Renders the network indicator', () => {
+    render(
+      <TestWrap>
+        <NetworkHealthIndicator />
+      </TestWrap>
+    )
+
+    fireEvent.click(screen.getByTestId('network-toggle'))
+
+    expect(screen.getByTestId('network-good')).toHaveTextContent(
+      NETWORK_CONTENT.good
+    )
+  })
+
+  test('Responds to network changes', () => {
+    render(
+      <TestWrap>
+        <NetworkHealthIndicator />
+      </TestWrap>
+    )
+
+    fireEvent.offline(window)
+    fireEvent.click(screen.getByTestId('network-toggle'))
+
+    expect(screen.getByTestId('network-bad')).toHaveTextContent(
+      NETWORK_CONTENT.bad
+    )
+  })
+})

src/components/NetworkHealthIndicator.tsx

@@ -0,0 +1,112 @@
+import {
+  faCheck,
+  faExclamation,
+  faWifi,
+} from '@fortawesome/free-solid-svg-icons'
+import { Popover } from '@headlessui/react'
+import { useEffect, useState } from 'react'
+import { ActionIcon } from './ActionIcon'
+
+export const NETWORK_CONTENT = {
+  good: 'Network health is good',
+  bad: 'Network issue',
+}
+
+const NETWORK_MESSAGES = {
+  offline: 'You are offline',
+}
+
+export const NetworkHealthIndicator = () => {
+  const [networkIssues, setNetworkIssues] = useState<string[]>([])
+  const hasIssues = [...networkIssues.values()].length > 0
+
+  useEffect(() => {
+    const offlineListener = () =>
+      setNetworkIssues((issues) => {
+        return [
+          ...issues.filter((issue) => issue !== NETWORK_MESSAGES.offline),
+          NETWORK_MESSAGES.offline,
+        ]
+      })
+    window.addEventListener('offline', offlineListener)
+
+    const onlineListener = () =>
+      setNetworkIssues((issues) => {
+        return [...issues.filter((issue) => issue !== NETWORK_MESSAGES.offline)]
+      })
+    window.addEventListener('online', onlineListener)
+
+    return () => {
+      window.removeEventListener('offline', offlineListener)
+      window.removeEventListener('online', onlineListener)
+    }
+  }, [])
+
+  return (
+    <Popover className="relative">
+      <Popover.Button
+        className={
+          'p-0 border-none relative ' +
+          (hasIssues
+            ? 'focus-visible:outline-destroy-80'
+            : 'focus-visible:outline-succeed-80')
+        }
+        data-testid="network-toggle"
+      >
+        <span className="sr-only">Network Health</span>
+        <ActionIcon
+          icon={faWifi}
+          iconClassName={
+            hasIssues
+              ? 'text-destroy-80 dark:text-destroy-30'
+              : 'text-succeed-80 dark:text-succeed-30'
+          }
+          bgClassName={
+            hasIssues
+              ? 'hover:bg-destroy-10/50 hover:dark:bg-destroy-80/50 rounded'
+              : 'hover:bg-succeed-10/50 hover:dark:bg-succeed-80/50 rounded'
+          }
+        />
+      </Popover.Button>
+      <Popover.Panel className="absolute right-0 left-auto top-full mt-1 w-56 flex flex-col gap-1 divide-y divide-chalkboard-20 dark:divide-chalkboard-70 align-stretch py-2 bg-chalkboard-10 dark:bg-chalkboard-90 rounded shadow-lg border border-solid border-chalkboard-20/50 dark:border-chalkboard-80/50 text-sm">
+        {!hasIssues ? (
+          <span
+            className="flex items-center justify-center gap-1 px-4"
+            data-testid="network-good"
+          >
+            <ActionIcon
+              icon={faCheck}
+              bgClassName={'bg-succeed-10/50 dark:bg-succeed-80/50 rounded'}
+              iconClassName={'text-succeed-80 dark:text-succeed-30'}
+            />
+            {NETWORK_CONTENT.good}
+          </span>
+        ) : (
+          <ul className="divide-y divide-chalkboard-20 dark:divide-chalkboard-80">
+            <span
+              className="font-bold text-xs uppercase text-destroy-60 dark:text-destroy-50 px-4"
+              data-testid="network-bad"
+            >
+              {NETWORK_CONTENT.bad}
+              {networkIssues.length > 1 ? 's' : ''}
+            </span>
+            {networkIssues.map((issue) => (
+              <li
+                key={issue}
+                className="flex items-center gap-1 py-2 my-2 last:mb-0"
+              >
+                <ActionIcon
+                  icon={faExclamation}
+                  bgClassName={'bg-destroy-10/50 dark:bg-destroy-80/50 rounded'}
+                  iconClassName={'text-destroy-80 dark:text-destroy-30'}
+                  className="ml-4"
+                />
+                <p className="flex-1 mr-4">{issue}</p>
+              </li>
+            ))}
+          </ul>
+        )}
+      </Popover.Panel>
+    </Popover>
+  )
+}

src/components/SetVarNameModal.tsx

@@ -1,6 +1,9 @@
 import { Dialog, Transition } from '@headlessui/react'
 import { Fragment } from 'react'
 import { useCalc, CreateNewVariable } from './AvailableVarsHelpers'
+import { ActionButton } from './ActionButton'
+import { faPlus } from '@fortawesome/free-solid-svg-icons'
+import { toast } from 'react-hot-toast'
 
 export const SetVarNameModal = ({
   isOpen,
@@ -19,67 +22,65 @@ export const SetVarNameModal = ({
 
   return (
     <Transition appear show={isOpen} as={Fragment}>
-      <Dialog as="div" className="relative z-10" onClose={onReject}>
+      <Dialog
+        as="div"
+        className="fixed inset-0 z-40 overflow-y-auto p-4 pt-[25vh]"
+        onClose={onReject}
+      >
         <Transition.Child
           as={Fragment}
           enter="ease-out duration-300"
-          enterFrom="opacity-0"
-          enterTo="opacity-100"
-          leave="ease-in duration-200"
+          enterFrom="opacity-0 translate-y-4"
+          enterTo="opacity-100 translate-y-0"
+          leave="ease-in duration-75"
           leaveFrom="opacity-100"
           leaveTo="opacity-0"
         >
-          <div className="fixed inset-0 bg-black bg-opacity-25" />
+          <Dialog.Overlay className="fixed inset-0 bg-chalkboard-10/70 dark:bg-chalkboard-110/50" />
         </Transition.Child>
 
-        <div className="fixed inset-0 overflow-y-auto">
-          <div className="flex min-h-full items-center justify-center p-4 text-center">
-            <Transition.Child
-              as={Fragment}
-              enter="ease-out duration-300"
-              enterFrom="opacity-0 scale-95"
-              enterTo="opacity-100 scale-100"
-              leave="ease-in duration-200"
-              leaveFrom="opacity-100 scale-100"
-              leaveTo="opacity-0 scale-95"
+        <Transition.Child
+          as={Fragment}
+          enter="ease-out duration-300"
+          enterFrom="opacity-0 scale-95"
+          enterTo="opacity-100 scale-100"
+          leave="ease-in duration-200"
+          leaveFrom="opacity-100 scale-100"
+          leaveTo="opacity-0 scale-95"
+        >
+          <Dialog.Panel className="rounded relative mx-auto px-4 py-8 bg-chalkboard-10 dark:bg-chalkboard-100 border dark:border-chalkboard-70 max-w-xl w-full shadow-lg">
+            <form
+              onSubmit={(e) => {
+                e.preventDefault()
+                onResolve({
+                  variableName: newVariableName,
+                })
+                toast.success(`Added variable ${newVariableName}`)
+              }}
             >
-              <Dialog.Panel className="w-full max-w-md transform overflow-hidden rounded-2xl bg-white p-6 text-left align-middle shadow-xl transition-all">
-                <Dialog.Title
-                  as="h3"
-                  className="text-lg font-medium leading-6 text-gray-900 capitalize"
+              <CreateNewVariable
+                setNewVariableName={setNewVariableName}
+                newVariableName={newVariableName}
+                isNewVariableNameUnique={isNewVariableNameUnique}
+                shouldCreateVariable={true}
+                showCheckbox={false}
+              />
+              <div className="mt-8 flex justify-between">
+                <ActionButton
+                  Element="button"
+                  type="submit"
+                  disabled={!isNewVariableNameUnique}
+                  icon={{ icon: faPlus }}
                 >
-                  Set {valueName}
-                </Dialog.Title>
-
-                <CreateNewVariable
-                  setNewVariableName={setNewVariableName}
-                  newVariableName={newVariableName}
-                  isNewVariableNameUnique={isNewVariableNameUnique}
-                  shouldCreateVariable={true}
-                  setShouldCreateVariable={() => {}}
-                />
-                <div className="mt-4">
-                  <button
-                    type="button"
-                    disabled={!isNewVariableNameUnique}
-                    className={`inline-flex justify-center rounded-md border border-transparent bg-blue-100 px-4 py-2 text-sm font-medium text-blue-900 hover:bg-blue-200 focus:outline-none focus-visible:ring-2 focus-visible:ring-blue-500 focus-visible:ring-offset-2 ${
-                      !isNewVariableNameUnique
-                        ? 'opacity-50 cursor-not-allowed'
-                        : ''
-                    }`}
-                    onClick={() =>
-                      onResolve({
-                        variableName: newVariableName,
-                      })
-                    }
-                  >
-                    Add variable
-                  </button>
-                </div>
-              </Dialog.Panel>
-            </Transition.Child>
-          </div>
-        </div>
+                  Add variable
+                </ActionButton>
+                <ActionButton Element="button" onClick={() => onReject(false)}>
+                  Cancel
+                </ActionButton>
+              </div>
+            </form>
+          </Dialog.Panel>
+        </Transition.Child>
       </Dialog>
     </Transition>
   )

src/components/Stream.tsx

@@ -7,29 +7,52 @@ import {
 } from 'react'
 import { v4 as uuidv4 } from 'uuid'
 import { useStore } from '../useStore'
-import { getNormalisedCoordinates } from '../lib/utils'
+import { getNormalisedCoordinates, roundOff } 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 { addNewSketchLn } from 'lang/std/sketch'
 
 export const Stream = ({ className = '' }) => {
   const [isLoading, setIsLoading] = useState(true)
+  const [clickCoords, setClickCoords] = useState<{ x: number; y: number }>()
   const videoRef = useRef<HTMLVideoElement>(null)
   const {
     mediaStream,
     engineCommandManager,
-    setIsMouseDownInStream,
+    setButtonDownInStream,
     didDragInStream,
     setDidDragInStream,
     streamDimensions,
+    isExecuting,
+    guiMode,
+    ast,
+    updateAst,
+    setGuiMode,
+    programMemory,
   } = useStore((s) => ({
     mediaStream: s.mediaStream,
     engineCommandManager: s.engineCommandManager,
-    isMouseDownInStream: s.isMouseDownInStream,
-    setIsMouseDownInStream: s.setIsMouseDownInStream,
+    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()
 
   useEffect(() => {
     if (
@@ -42,39 +65,70 @@ export const Stream = ({ className = '' }) => {
     videoRef.current.srcObject = mediaStream
   }, [mediaStream, engineCommandManager])
 
-  const handleMouseDown: MouseEventHandler<HTMLVideoElement> = ({
-    clientX,
-    clientY,
-    ctrlKey,
-  }) => {
+  const handleMouseDown: MouseEventHandler<HTMLVideoElement> = (e) => {
     if (!videoRef.current) return
     const { x, y } = getNormalisedCoordinates({
-      clientX,
-      clientY,
+      clientX: e.clientX,
+      clientY: e.clientY,
       el: videoRef.current,
       ...streamDimensions,
     })
-    console.log('click', x, y)
 
     const newId = uuidv4()
 
-    const interaction = ctrlKey ? 'pan' : 'rotate'
+    const interactionGuards = cameraMouseDragGuards[cameraControls]
+    let interaction: CameraDragInteractionType_type = 'rotate'
 
-    engineCommandManager?.sendSceneCommand({
-      type: 'modeling_cmd_req',
-      cmd: {
-        type: 'camera_drag_start',
-        interaction,
-        window: { x, y },
-      },
-      cmd_id: newId,
-    })
+    if (
+      interactionGuards.pan.callback(e) ||
+      interactionGuards.pan.lenientDragStartButton === e.button
+    ) {
+      interaction = 'pan'
+    } else if (
+      interactionGuards.rotate.callback(e) ||
+      interactionGuards.rotate.lenientDragStartButton === e.button
+    ) {
+      interaction = 'rotate'
+    } else if (
+      interactionGuards.zoom.dragCallback(e) ||
+      interactionGuards.zoom.lenientDragStartButton === e.button
+    ) {
+      interaction = 'zoom'
+    }
 
-    setIsMouseDownInStream(true)
+    if (guiMode.mode === 'sketch' && guiMode.sketchMode === ('move' as any)) {
+      engineCommandManager?.sendSceneCommand({
+        type: 'modeling_cmd_req',
+        cmd: {
+          type: 'handle_mouse_drag_start',
+          window: { x, y },
+        },
+        cmd_id: newId,
+      })
+    } else if (
+      !(
+        guiMode.mode === 'sketch' &&
+        guiMode.sketchMode === ('sketch_line' as any)
+      )
+    ) {
+      engineCommandManager?.sendSceneCommand({
+        type: 'modeling_cmd_req',
+        cmd: {
+          type: 'camera_drag_start',
+          interaction,
+          window: { x, y },
+        },
+        cmd_id: newId,
+      })
+    }
+
+    setButtonDownInStream(e.button)
+    setClickCoords({ x, y })
   }
 
   const handleScroll: WheelEventHandler<HTMLVideoElement> = (e) => {
-    e.preventDefault()
+    if (!cameraMouseDragGuards[cameraControls].zoom.scrollCallback(e)) return
+
     engineCommandManager?.sendSceneCommand({
       type: 'modeling_cmd_req',
       cmd: {
@@ -91,6 +145,7 @@ export const Stream = ({ className = '' }) => {
     ctrlKey,
   }) => {
     if (!videoRef.current) return
+    setButtonDownInStream(undefined)
     const { x, y } = getNormalisedCoordinates({
       clientX,
       clientY,
@@ -101,7 +156,7 @@ export const Stream = ({ className = '' }) => {
     const newCmdId = uuidv4()
     const interaction = ctrlKey ? 'pan' : 'rotate'
 
-    engineCommandManager?.sendSceneCommand({
+    const command: Models['WebSocketRequest_type'] = {
       type: 'modeling_cmd_req',
       cmd: {
         type: 'camera_drag_end',
@@ -109,9 +164,8 @@ export const Stream = ({ className = '' }) => {
         window: { x, y },
       },
       cmd_id: newCmdId,
-    })
+    }
 
-    setIsMouseDownInStream(false)
     if (!didDragInStream) {
       engineCommandManager?.sendSceneCommand({
         type: 'modeling_cmd_req',
@@ -123,7 +177,109 @@ export const Stream = ({ className = '' }) => {
         cmd_id: uuidv4(),
       })
     }
+
+    if (!didDragInStream && guiMode.mode === 'default') {
+      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))
+    ) {
+      command.cmd = {
+        type: 'mouse_click',
+        window: { x, y },
+      }
+    } else if (
+      guiMode.mode === 'sketch' &&
+      guiMode.sketchMode === ('move' as any)
+    ) {
+      command.cmd = {
+        type: 'handle_mouse_drag_end',
+        window: { x, y },
+      }
+    }
+    engineCommandManager?.sendSceneCommand(command).then(async ({ data }) => {
+      if (command.cmd.type !== 'mouse_click' || !ast) return
+      if (
+        !(
+          guiMode.mode === 'sketch' &&
+          guiMode.sketchMode === ('sketch_line' as any as 'line')
+        )
+      )
+        return
+
+      if (data?.data?.entities_modified?.length && guiMode.waitingFirstClick) {
+        const curve = await engineCommandManager?.sendSceneCommand({
+          type: 'modeling_cmd_req',
+          cmd_id: uuidv4(),
+          cmd: {
+            type: 'curve_get_control_points',
+            curve_id: data?.data?.entities_modified[0],
+          },
+        })
+        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 _modifiedAst = _addStartSketch.modifiedAst
+        const _pathToNode = _addStartSketch.pathToNode
+
+        setGuiMode({
+          ...guiMode,
+          pathToNode: _pathToNode,
+          waitingFirstClick: false,
+        })
+        updateAst(_modifiedAst)
+      } else if (
+        data?.data?.entities_modified?.length &&
+        !guiMode.waitingFirstClick
+      ) {
+        const curve = await engineCommandManager?.sendSceneCommand({
+          type: 'modeling_cmd_req',
+          cmd_id: uuidv4(),
+          cmd: {
+            type: 'curve_get_control_points',
+            curve_id: data?.data?.entities_modified[0],
+          },
+        })
+        const coords: { x: number; y: number }[] =
+          curve.data.data.control_points
+        const _modifiedAst = addNewSketchLn({
+          node: ast,
+          programMemory,
+          to: [coords[1].x, coords[1].y],
+          fnName: 'line',
+          pathToNode: guiMode.pathToNode,
+        }).modifiedAst
+        updateAst(_modifiedAst)
+      }
+    })
     setDidDragInStream(false)
+    setClickCoords(undefined)
+  }
+
+  const handleMouseMove: MouseEventHandler<HTMLVideoElement> = (e) => {
+    if (!clickCoords) return
+
+    const delta =
+      ((clickCoords.x - e.clientX) ** 2 + (clickCoords.y - e.clientY) ** 2) **
+      0.5
+
+    if (delta > 5 && !didDragInStream) {
+      setDidDragInStream(true)
+    }
   }
 
   return (
@@ -139,7 +295,9 @@ export const Stream = ({ className = '' }) => {
         onContextMenuCapture={(e) => e.preventDefault()}
         onWheel={handleScroll}
         onPlay={() => setIsLoading(false)}
-        className="w-full h-full"
+        onMouseMoveCapture={handleMouseMove}
+        className={`w-full h-full ${isExecuting && 'blur-md'}`}
+        style={{ transitionDuration: '200ms', transitionProperty: 'filter' }}
       />
       {isLoading && (
         <div className="text-center absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2">

src/components/TextEditor.tsx

@@ -0,0 +1,265 @@
+import ReactCodeMirror, {
+  Extension,
+  ViewUpdate,
+  keymap,
+} from '@uiw/react-codemirror'
+import { FromServer, IntoServer } from 'editor/lsp/codec'
+import Server from '../editor/lsp/server'
+import Client from '../editor/lsp/client'
+import { TEST } from 'env'
+import { useCommandsContext } from 'hooks/useCommandsContext'
+import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
+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 { LanguageServerClient } from 'editor/lsp'
+import kclLanguage from 'editor/lsp/language'
+import { isTauri } from 'lib/isTauri'
+import { useParams } from 'react-router-dom'
+import { writeTextFile } from '@tauri-apps/api/fs'
+import { PROJECT_ENTRYPOINT } from 'lib/tauriFS'
+import { toast } from 'react-hot-toast'
+import {
+  EditorView,
+  addLineHighlight,
+  lineHighlightField,
+} from 'editor/highlightextension'
+import { isOverlap } from 'lib/utils'
+import { kclErrToDiagnostic } from 'lang/errors'
+import { CSSRuleObject } from 'tailwindcss/types/config'
+
+export const editorShortcutMeta = {
+  formatCode: {
+    codeMirror: 'Alt-Shift-f',
+    display: 'Alt + Shift + F',
+  },
+  convertToVariable: {
+    codeMirror: 'Ctrl-Shift-c',
+    display: 'Ctrl + Shift + C',
+  },
+}
+
+export const TextEditor = ({
+  theme,
+}: {
+  theme: Themes.Light | Themes.Dark
+}) => {
+  const pathParams = useParams()
+  const {
+    code,
+    defferedSetCode,
+    editorView,
+    engineCommandManager,
+    formatCode,
+    isLSPServerReady,
+    selectionRanges,
+    selectionRangeTypeMap,
+    setEditorView,
+    setIsLSPServerReady,
+    setSelectionRanges,
+    sourceRangeMap,
+  } = useStore((s) => ({
+    code: s.code,
+    defferedSetCode: s.defferedSetCode,
+    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,
+    sourceRangeMap: s.sourceRangeMap,
+  }))
+
+  const {
+    settings: {
+      context: { textWrapping },
+    },
+  } = useGlobalStateContext()
+  const { setCommandBarOpen } = useCommandsContext()
+  const { enable: convertEnabled, handleClick: convertCallback } =
+    useConvertToVariable()
+
+  // So this is a bit weird, we need to initialize the lsp server and client.
+  // But the server happens async so we break this into two parts.
+  // Below is the client and server promise.
+  const { lspClient } = useMemo(() => {
+    const intoServer: IntoServer = new IntoServer()
+    const fromServer: FromServer = FromServer.create()
+    const client = new Client(fromServer, intoServer)
+    if (!TEST) {
+      Server.initialize(intoServer, fromServer).then((lspServer) => {
+        lspServer.start()
+        setIsLSPServerReady(true)
+      })
+    }
+
+    const lspClient = new LanguageServerClient({ client })
+    return { lspClient }
+  }, [setIsLSPServerReady])
+
+  // Here we initialize the plugin which will start the client.
+  // When we have multi-file support the name of the file will be a dep of
+  // this use memo, as well as the directory structure, which I think is
+  // a good setup becuase it will restart the client but not the server :)
+  // We do not want to restart the server, its just wasteful.
+  const kclLSP = useMemo(() => {
+    let plugin = null
+    if (isLSPServerReady && !TEST) {
+      // Set up the lsp plugin.
+      const lsp = kclLanguage({
+        // When we have more than one file, we'll need to change this.
+        documentUri: `file:///we-just-have-one-file-for-now.kcl`,
+        workspaceFolders: null,
+        client: lspClient,
+      })
+
+      plugin = lsp
+    }
+    return plugin
+  }, [lspClient, isLSPServerReady])
+
+  // const onChange = React.useCallback((value: string, viewUpdate: ViewUpdate) => {
+  const onChange = (value: string, viewUpdate: ViewUpdate) => {
+    defferedSetCode(value)
+    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) => {
+          // 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]) })
+    }
+  } //, []);
+  const onUpdate = (viewUpdate: ViewUpdate) => {
+    if (!editorView) {
+      setEditorView(viewUpdate.view)
+    }
+    const ranges = viewUpdate.state.selection.ranges
+
+    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]
+        )
+      })
+
+    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(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(() => {
+    const extensions = [
+      lineHighlightField,
+      keymap.of([
+        {
+          key: 'Meta-k',
+          run: () => {
+            setCommandBarOpen(true)
+            return false
+          },
+        },
+        {
+          key: editorShortcutMeta.formatCode.codeMirror,
+          run: () => {
+            formatCode()
+            return true
+          },
+        },
+        {
+          key: editorShortcutMeta.convertToVariable.codeMirror,
+          run: () => {
+            if (convertEnabled) {
+              convertCallback()
+              return true
+            }
+            return false
+          },
+        },
+      ]),
+    ] as Extension[]
+
+    if (kclLSP) extensions.push(kclLSP)
+
+    // These extensions have proven to mess with vitest
+    if (!TEST) {
+      extensions.push(
+        lintGutter(),
+        linter((_view) => {
+          return kclErrToDiagnostic(useStore.getState().kclErrors)
+        })
+      )
+      if (textWrapping === 'On') extensions.push(EditorView.lineWrapping)
+    }
+
+    return extensions
+  }, [kclLSP, textWrapping])
+
+  return (
+    <div
+      id="code-mirror-override"
+      className="full-height-subtract"
+      style={{ '--height-subtract': '4.25rem' } as CSSRuleObject}
+    >
+      <ReactCodeMirror
+        className="h-full"
+        value={code}
+        extensions={editorExtensions}
+        onChange={onChange}
+        onUpdate={onUpdate}
+        theme={theme}
+        onCreateEditor={(_editorView) => setEditorView(_editorView)}
+      />
+    </div>
+  )
+}

src/components/Toolbar/ConvertVariable.tsx

@@ -1,61 +0,0 @@
-import { useState, useEffect } from 'react'
-import { create } from 'react-modal-promise'
-import { useStore } from '../../useStore'
-import { isNodeSafeToReplace } from '../../lang/queryAst'
-import { SetVarNameModal } from '../SetVarNameModal'
-import { moveValueIntoNewVariable } from '../../lang/modifyAst'
-
-const getModalInfo = create(SetVarNameModal as any)
-
-export const ConvertToVariable = () => {
-  const { guiMode, selectionRanges, ast, programMemory, updateAst } = useStore(
-    (s) => ({
-      guiMode: s.guiMode,
-      ast: s.ast,
-      updateAst: s.updateAst,
-      selectionRanges: s.selectionRanges,
-      programMemory: s.programMemory,
-    })
-  )
-  const [enableAngLen, setEnableAngLen] = useState(false)
-  useEffect(() => {
-    if (!ast) return
-
-    const { isSafe, value } = isNodeSafeToReplace(
-      ast,
-      selectionRanges.codeBasedSelections?.[0]?.range || []
-    )
-    const canReplace = isSafe && value.type !== 'Identifier'
-    const isOnlyOneSelection = selectionRanges.codeBasedSelections.length === 1
-
-    const _enableHorz = canReplace && isOnlyOneSelection
-    setEnableAngLen(_enableHorz)
-  }, [guiMode, selectionRanges])
-
-  return (
-    <button
-      onClick={async () => {
-        if (!ast) return
-        try {
-          const { variableName } = await getModalInfo({
-            valueName: 'var',
-          } as any)
-
-          const { modifiedAst: _modifiedAst } = moveValueIntoNewVariable(
-            ast,
-            programMemory,
-            selectionRanges.codeBasedSelections[0].range,
-            variableName
-          )
-
-          updateAst(_modifiedAst)
-        } catch (e) {
-          console.log('e', e)
-        }
-      }}
-      disabled={!enableAngLen}
-    >
-      ConvertToVariable
-    </button>
-  )
-}

src/editor/lsp/plugin.ts

@@ -208,7 +208,13 @@ export class LanguageServerPlugin implements PluginValue {
           filterText: filterText ?? label,
         }
         if (documentation) {
-          completion.info = formatContents(documentation)
+          completion.info = () => {
+            const htmlString = formatContents(documentation)
+            const htmlNode = document.createElement('div')
+            htmlNode.style.display = 'contents'
+            htmlNode.innerHTML = htmlString
+            return { dom: htmlNode }
+          }
         }
 
         return completion

src/env.ts

@@ -8,8 +8,6 @@ export const VITE_KC_API_WS_MODELING_URL = import.meta.env
   .VITE_KC_API_WS_MODELING_URL
 export const VITE_KC_API_BASE_URL = import.meta.env.VITE_KC_API_BASE_URL
 export const VITE_KC_SITE_BASE_URL = import.meta.env.VITE_KC_SITE_BASE_URL
-export const VITE_KC_CONNECTION_WEBRTC_REPORT_STATS_MS = import.meta.env
-  .VITE_KC_CONNECTION_WEBRTC_REPORT_STATS_MS
 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

src/hooks/useAppMode.ts

@@ -0,0 +1,243 @@
+// 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
+  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
+    ) {
+      if (!defaultPlanes) {
+        const xy = 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 },
+        })
+        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 },
+        })
+        setDefaultPlanes({ xy, yz, xz })
+      } else {
+        hideDefaultPlanes(engineCommandManager, defaultPlanes)
+      }
+    }
+    if (guiMode.mode !== 'sketch' && defaultPlanes) {
+      Object.values(defaultPlanes).forEach((planeId) => {
+        engineCommandManager?.sendSceneCommand({
+          type: 'modeling_cmd_req',
+          cmd_id: uuidv4(),
+          cmd: {
+            type: 'object_visible',
+            object_id: planeId,
+            hidden: true,
+          },
+        })
+      })
+    } else 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(),
+            },
+          }
+        )
+        hideDefaultPlanes(engineCommandManager, defaultPlanes)
+        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: [],
+        })
+
+        console.log('sketchModeResponse', sketchModeResponse)
+      },
+    })
+    return unSub
+  }, [engineCommandManager, defaultPlanes])
+}
+
+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()
+  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,
+  })
+  engineCommandManager?.sendSceneCommand({
+    type: 'modeling_cmd_req',
+    cmd: {
+      type: 'plane_set_color',
+      plane_id: planeId,
+      color,
+    },
+    cmd_id: uuidv4(),
+  })
+  return planeId
+}
+
+function hideDefaultPlanes(
+  engineCommandManager: EngineCommandManager,
+  defaultPlanes: DefaultPlanes
+) {
+  Object.values(defaultPlanes).forEach((planeId) => {
+    engineCommandManager?.sendSceneCommand({
+      type: 'modeling_cmd_req',
+      cmd_id: uuidv4(),
+      cmd: {
+        type: 'object_visible',
+        object_id: planeId,
+        hidden: true,
+      },
+    })
+  })
+}
+
+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' ||
+            'close_path')
+      )
+  )
+  return overlapingEntries.length === 1 && overlapingEntries[0][1].parentId
+    ? overlapingEntries[0][1].parentId
+    : false
+}

src/hooks/useToolbarGuards.ts

@@ -0,0 +1,56 @@
+import { SetVarNameModal } from 'components/SetVarNameModal'
+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'
+
+const getModalInfo = create(SetVarNameModal as any)
+
+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 [enable, setEnabled] = useState(false)
+  useEffect(() => {
+    if (!ast) return
+
+    const { isSafe, value } = isNodeSafeToReplace(
+      ast,
+      selectionRanges.codeBasedSelections?.[0]?.range || []
+    )
+    const canReplace = isSafe && value.type !== 'Identifier'
+    const isOnlyOneSelection = selectionRanges.codeBasedSelections.length === 1
+
+    const _enableHorz = canReplace && isOnlyOneSelection
+    setEnabled(_enableHorz)
+  }, [guiMode, 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,
+        variableName
+      )
+
+      updateAst(_modifiedAst)
+    } catch (e) {
+      console.log('e', e)
+    }
+  }
+
+  return { enable, handleClick }
+}

src/index.css

@@ -82,11 +82,22 @@ code {
     monospace;
 }
 
+.full-height-subtract {
+  --height-subtract: 2.25rem;
+  height: 100%;
+  max-height: calc(100% - var(--height-subtract));
+}
+
 #code-mirror-override .cm-editor {
-  @apply bg-transparent;
+  @apply h-full bg-transparent;
 }
 
 #code-mirror-override .cm-scroller {
+  @apply h-full;
+}
+
+#code-mirror-override .cm-scroller::-webkit-scrollbar {
+  @apply h-0;
 }
 
 #code-mirror-override .cm-activeLine,
@@ -137,14 +148,39 @@ code {
 }
 
 #code-mirror-override .cm-tooltip {
-  font-size: 80%;
+  @apply text-xs shadow-md;
+  @apply bg-chalkboard-10 text-chalkboard-80;
+  @apply rounded-sm border-solid border border-chalkboard-40/30 border-l-liquid-10;
+}
+
+.dark #code-mirror-override .cm-tooltip {
+  @apply bg-chalkboard-110 text-chalkboard-40;
+  @apply border-chalkboard-70/20 border-l-liquid-70;
 }
 
 #code-mirror-override .cm-tooltip-hover {
+  @apply py-1 px-2 w-max max-w-md;
 }
 
-#code-mirror-override .cm-tooltip-hover .documentation {
-  padding: 5;
+#code-mirror-override .cm-completionInfo {
+  @apply px-4 rounded-l-none;
+  @apply bg-chalkboard-10 text-liquid-90;
+  @apply border-liquid-40/30;
+}
+
+.dark #code-mirror-override .cm-completionInfo {
+  @apply bg-liquid-120 text-liquid-50;
+  @apply border-liquid-90/60;
+}
+
+#code-mirror-override .cm-tooltip-autocomplete li {
+  @apply px-2 py-1;
+}
+#code-mirror-override .cm-tooltip-autocomplete li[aria-selected='true'] {
+  @apply bg-liquid-10 text-liquid-110;
+}
+.dark #code-mirror-override .cm-tooltip-autocomplete li[aria-selected='true'] {
+  @apply bg-liquid-100 text-liquid-20;
 }
 
 #code-mirror-override .cm-content {

src/lang/abstractSyntaxTree.test.ts

@@ -1564,7 +1564,7 @@ const key = 'c'`
       start: code.indexOf('\n// this is a comment'),
       end: code.indexOf('const key'),
       value: {
-        type: 'block',
+        type: 'blockComment',
         value: 'this is a comment',
       },
     }
@@ -1602,7 +1602,7 @@ const key = 'c'`
       start: 106,
       end: 166,
       value: {
-        type: 'block',
+        type: 'blockComment',
         value: 'this is\n      a comment\n      spanning a few lines',
       },
     })
@@ -1625,7 +1625,7 @@ const key = 'c'`
       start: 125,
       end: 141,
       value: {
-        type: 'block',
+        type: 'blockComment',
         value: 'a comment',
       },
     })

src/lang/artifact.test.ts

@@ -21,7 +21,7 @@ show(mySketch001)`
     )
     expect(shown).toEqual([
       {
-        type: 'sketchGroup',
+        type: 'SketchGroup',
         start: {
           to: [0, 0],
           from: [0, 0],
@@ -77,7 +77,7 @@ show(mySketch001)`
     )
     expect(shown).toEqual([
       {
-        type: 'extrudeGroup',
+        type: 'ExtrudeGroup',
         id: expect.any(String),
         value: [],
         height: 2,
@@ -117,7 +117,7 @@ show(theExtrude, sk2)`
     )
     expect(geos).toEqual([
       {
-        type: 'extrudeGroup',
+        type: 'ExtrudeGroup',
         id: expect.any(String),
         value: [],
         height: 2,
@@ -126,7 +126,7 @@ show(theExtrude, sk2)`
         __meta: [{ sourceRange: [13, 34] }],
       },
       {
-        type: 'extrudeGroup',
+        type: 'ExtrudeGroup',
         id: expect.any(String),
         value: [],
         height: 2,

src/lang/executor.test.ts

@@ -1,7 +1,7 @@
 import fs from 'node:fs'
 
 import { parser_wasm } from './abstractSyntaxTree'
-import { ProgramMemory } from './executor'
+import { ProgramMemory, SketchGroup } from './executor'
 import { initPromise } from './rust'
 import { enginelessExecutor } from '../lib/testHelpers'
 import { vi } from 'vitest'
@@ -117,10 +117,10 @@ show(mySketch)
   //   ].join('\n')
   //   const { root } = await exe(code)
   //   expect(root.mySk1.value).toHaveLength(3)
-  //   expect(root?.rotated?.type).toBe('sketchGroup')
+  //   expect(root?.rotated?.type).toBe('SketchGroup')
   //   if (
-  //     root?.mySk1?.type !== 'sketchGroup' ||
-  //     root?.rotated?.type !== 'sketchGroup'
+  //     root?.mySk1?.type !== 'SketchGroup' ||
+  //     root?.rotated?.type !== 'SketchGroup'
   //   )
   //     throw new Error('not a sketch group')
   //   expect(root.mySk1.rotation).toEqual([0, 0, 0, 1])
@@ -143,7 +143,7 @@ show(mySketch)
     ].join('\n')
     const { root } = await exe(code)
     expect(root.mySk1).toEqual({
-      type: 'sketchGroup',
+      type: 'SketchGroup',
       start: {
         to: [0, 0],
         from: [0, 0],
@@ -199,7 +199,7 @@ show(mySketch)
     // TODO path to node is probably wrong here, zero indexes are not correct
     expect(root).toEqual({
       three: {
-        type: 'userVal',
+        type: 'UserVal',
         value: 3,
         __meta: [
           {
@@ -208,7 +208,7 @@ show(mySketch)
         ],
       },
       yo: {
-        type: 'userVal',
+        type: 'UserVal',
         value: [1, '2', 3, 9],
         __meta: [
           {
@@ -225,7 +225,7 @@ show(mySketch)
     ].join('\n')
     const { root } = await exe(code)
     expect(root.yo).toEqual({
-      type: 'userVal',
+      type: 'UserVal',
       value: { aStr: 'str', anum: 2, identifier: 3, binExp: 9 },
       __meta: [
         {
@@ -240,7 +240,7 @@ show(mySketch)
     )
     const { root } = await exe(code)
     expect(root.myVar).toEqual({
-      type: 'userVal',
+      type: 'UserVal',
       value: '123',
       __meta: [
         {
@@ -338,7 +338,7 @@ describe('testing math operators', () => {
     const { root } = await exe(code)
     const sketch = root.part001
     // result of `-legLen(5, min(3, 999))` should be -4
-    const yVal = sketch.value?.[0]?.to?.[1]
+    const yVal = (sketch as SketchGroup).value?.[0]?.to?.[1]
     expect(yVal).toBe(-4)
   })
   it('test that % substitution feeds down CallExp->ArrExp->UnaryExp->CallExp', async () => {
@@ -356,8 +356,8 @@ describe('testing math operators', () => {
     const { root } = await exe(code)
     const sketch = root.part001
     // expect -legLen(segLen('seg01', %), myVar) to equal -4 setting the y value back to 0
-    expect(sketch.value?.[1]?.from).toEqual([3, 4])
-    expect(sketch.value?.[1]?.to).toEqual([6, 0])
+    expect((sketch as SketchGroup).value?.[1]?.from).toEqual([3, 4])
+    expect((sketch as SketchGroup).value?.[1]?.to).toEqual([6, 0])
     const removedUnaryExp = code.replace(
       `-legLen(segLen('seg01', %), myVar)`,
       `legLen(segLen('seg01', %), myVar)`
@@ -366,7 +366,9 @@ describe('testing math operators', () => {
     const removedUnaryExpRootSketch = removedUnaryExpRoot.part001
 
     // without the minus sign, the y value should be 8
-    expect(removedUnaryExpRootSketch.value?.[1]?.to).toEqual([6, 8])
+    expect((removedUnaryExpRootSketch as SketchGroup).value?.[1]?.to).toEqual([
+      6, 8,
+    ])
   })
   it('with nested callExpression and binaryExpression', async () => {
     const code = 'const myVar = 2 + min(100, -1 + legLen(5, 3))'
@@ -397,7 +399,10 @@ show(theExtrude)`
 
 // helpers
 
-async function exe(code: string, programMemory: ProgramMemory = { root: {} }) {
+async function exe(
+  code: string,
+  programMemory: ProgramMemory = { root: {}, return: null }
+) {
   const ast = parser_wasm(code)
 
   const result = await enginelessExecutor(ast, programMemory)

src/lang/executor.ts

@@ -5,96 +5,21 @@ import {
   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 = [number, number]
-export type PathToNode = [string | number, string][] // [pathKey, nodeType][]
-export type Metadata = {
-  sourceRange: SourceRange
-}
-export type Position = [number, number, number]
-export type Rotation = [number, number, number, number]
+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'
 
-interface BasePath {
-  from: [number, number]
-  to: [number, number]
-  name?: string
-  __geoMeta: {
-    id: string
-    sourceRange: SourceRange
-  }
-}
-
-export interface ToPoint extends BasePath {
-  type: 'toPoint'
-}
-
-export interface Base extends BasePath {
-  type: 'base'
-}
-
-export interface HorizontalLineTo extends BasePath {
-  type: 'horizontalLineTo'
-  x: number
-}
-
-export interface AngledLineTo extends BasePath {
-  type: 'angledLineTo'
-  angle: number
-  x?: number
-  y?: number
-}
-
-interface GeoMeta {
-  __geoMeta: {
-    id: string
-    sourceRange: SourceRange
-  }
-}
-
-export type Path = ToPoint | HorizontalLineTo | AngledLineTo | Base
-
-export interface SketchGroup {
-  type: 'sketchGroup'
-  id: string
-  value: Path[]
-  start?: Base
-  position: Position
-  rotation: Rotation
-  __meta: Metadata[]
-}
-
-interface ExtrudePlane {
-  type: 'extrudePlane'
-  position: Position
-  rotation: Rotation
-  name?: string
-}
-
-export type ExtrudeSurface = GeoMeta &
-  ExtrudePlane /* | ExtrudeRadius | ExtrudeSpline */
-
-export interface ExtrudeGroup {
-  type: 'extrudeGroup'
-  id: string
-  value: ExtrudeSurface[]
-  height: number
-  position: Position
-  rotation: Rotation
-  __meta: Metadata[]
-}
-
-/** UserVal not produced by one of our internal functions */
-export interface UserVal {
-  type: 'userVal'
-  value: any
-  __meta: Metadata[]
-}
-
-type MemoryItem = UserVal | SketchGroup | ExtrudeGroup
+export type PathToNode = [string | number, string][]
 
 interface Memory {
   [key: string]: MemoryItem
@@ -102,12 +27,12 @@ interface Memory {
 
 export interface ProgramMemory {
   root: Memory
-  return?: ProgramReturn
+  return: ProgramReturn | null
 }
 
 export const executor = async (
   node: Program,
-  programMemory: ProgramMemory = { root: {} },
+  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.
@@ -132,7 +57,7 @@ export const executor = async (
 
 export const _executor = async (
   node: Program,
-  programMemory: ProgramMemory = { root: {} },
+  programMemory: ProgramMemory = { root: {}, return: null },
   engineCommandManager: EngineCommandManager
 ): Promise<ProgramMemory> => {
   try {

src/lang/modifyAst.test.ts

@@ -114,7 +114,8 @@ describe('Testing addSketchTo', () => {
     expect(str).toBe(`const part001 = startSketchAt('default')
   |> ry(90, %)
   |> line('default', %)
-show(part001)`)
+show(part001)
+`)
   })
 })
 
@@ -179,7 +180,10 @@ describe('Testing moveValueIntoNewVariable', () => {
   return x
 }
 `
-  const code = `${fn('def')}${fn('ghi')}${fn('jkl')}${fn('hmm')}
+  const code = `${fn('def')}${fn('jkl')}${fn('hmm')}
+fn ghi = (x) => {
+    return 2
+}
 const abc = 3
 const identifierGuy = 5
 const yo = 5 + 6

src/lang/modifyAst.ts

@@ -28,6 +28,46 @@ import {
   createFirstArg,
 } from './std/sketch'
 
+export function addStartSketch(
+  node: Program,
+  start: [number, number],
+  end: [number, number]
+): { modifiedAst: Program; id: string; pathToNode: PathToNode } {
+  const _node = { ...node }
+  const _name = findUniqueName(node, 'part')
+
+  const startSketchAt = createCallExpression('startSketchAt', [
+    createArrayExpression([createLiteral(start[0]), createLiteral(start[1])]),
+  ])
+  const initialLineTo = createCallExpression('line', [
+    createArrayExpression([createLiteral(end[0]), createLiteral(end[1])]),
+    createPipeSubstitution(),
+  ])
+
+  const pipeBody = [startSketchAt, initialLineTo]
+
+  const variableDeclaration = createVariableDeclaration(
+    _name,
+    createPipeExpression(pipeBody)
+  )
+
+  _node.body = [...node.body, variableDeclaration]
+
+  let pathToNode: PathToNode = [
+    ['body', ''],
+    ['0', 'index'],
+    ['declarations', 'VariableDeclaration'],
+    ['0', 'index'],
+    ['init', 'VariableDeclarator'],
+  ]
+
+  return {
+    modifiedAst: _node,
+    id: _name,
+    pathToNode,
+  }
+}
+
 export function addSketchTo(
   node: Program,
   axis: 'xy' | 'xz' | 'yz',

src/lang/recast.test.ts

@@ -11,26 +11,27 @@ describe('recast', () => {
     const code = '1 + 2'
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code)
+    expect(recasted.trim()).toBe(code)
   })
   it('variable declaration', () => {
     const code = 'const myVar = 5'
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code)
+    expect(recasted.trim()).toBe(code)
   })
   it("variable declaration that's binary with string", () => {
     const code = "const myVar = 5 + 'yo'"
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code)
+    expect(recasted.trim()).toBe(code)
     const codeWithOtherQuotes = 'const myVar = 5 + "yo"'
     const { ast: ast2 } = code2ast(codeWithOtherQuotes)
-    expect(recast(ast2)).toBe(codeWithOtherQuotes)
+    expect(recast(ast2).trim()).toBe(codeWithOtherQuotes)
   })
   it('test assigning two variables, the second summing with the first', () => {
     const code = `const myVar = 5
-const newVar = myVar + 1`
+const newVar = myVar + 1
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
     expect(recasted).toBe(code)
@@ -42,11 +43,12 @@ const newVar = myVar + 1`
     )
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted.trim()).toBe(code.trim())
   })
   it('test with function call', () => {
     const code = `const myVar = "hello"
-log(5, myVar)`
+log(5, myVar)
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
     expect(recasted).toBe(code)
@@ -61,7 +63,7 @@ log(5, myVar)`
     ].join('\n')
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code)
+    expect(recasted.trim()).toBe(code)
   })
   it('recast sketch declaration', () => {
     let code = `const mySketch = startSketchAt([0, 0])
@@ -70,10 +72,11 @@ log(5, myVar)`
   |> lineTo({ to: [1, 0], tag: "rightPath" }, %)
   |> close(%)
 
-show(mySketch)`
+show(mySketch)
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted).toBe(code)
   })
   it('sketch piped into callExpression', () => {
     const code = [
@@ -85,7 +88,7 @@ show(mySketch)`
     ].join('\n')
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted.trim()).toBe(code.trim())
   })
   it('recast BinaryExpression piped into CallExpression', () => {
     const code = [
@@ -97,37 +100,37 @@ show(mySketch)`
     ].join('\n')
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code)
+    expect(recasted.trim()).toBe(code)
   })
   it('recast nested binary expression', () => {
     const code = ['const myVar = 1 + 2 * 5'].join('\n')
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted.trim()).toBe(code.trim())
   })
   it('recast nested binary expression with parans', () => {
     const code = ['const myVar = 1 + (1 + 2) * 5'].join('\n')
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted.trim()).toBe(code.trim())
   })
   it('unnecessary paran wrap will be remove', () => {
     const code = ['const myVar = 1 + (2 * 5)'].join('\n')
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.replace('(', '').replace(')', ''))
+    expect(recasted.trim()).toBe(code.replace('(', '').replace(')', ''))
   })
   it('complex nested binary expression', () => {
     const code = ['1 * ((2 + 3) / 4 + 5)'].join('\n')
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted.trim()).toBe(code.trim())
   })
   it('multiplied paren expressions', () => {
     const code = ['3 + (1 + 2) * (3 + 4)'].join('\n')
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted.trim()).toBe(code.trim())
   })
   it('recast array declaration', () => {
     const code = ['const three = 3', "const yo = [1, '2', three, 4 + 5]"].join(
@@ -135,7 +138,7 @@ show(mySketch)`
     )
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted.trim()).toBe(code.trim())
   })
   it('recast long array declaration', () => {
     const code = [
@@ -150,7 +153,7 @@ show(mySketch)`
     ].join('\n')
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted.trim()).toBe(code.trim())
   })
   it('recast long object exectution', () => {
     const code = `const three = 3
@@ -159,26 +162,29 @@ const yo = {
   anum: 2,
   identifier: three,
   binExp: 4 + 5
-}`
+}
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted).toBe(code)
   })
   it('recast short object exectution', () => {
-    const code = `const yo = { key: 'val' }`
+    const code = `const yo = { key: 'val' }
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted).toBe(code)
   })
   it('recast object execution with member expression', () => {
     const code = `const yo = { a: { b: { c: '123' } } }
 const key = 'c'
 const myVar = yo.a['b'][key]
 const key2 = 'b'
-const myVar2 = yo['a'][key2].c`
+const myVar2 = yo['a'][key2].c
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code.trim())
+    expect(recasted).toBe(code)
   })
 })
 
@@ -186,7 +192,8 @@ describe('testing recasting with comments and whitespace', () => {
   it('code with comments', () => {
     const code = `const yo = { a: { b: { c: '123' } } }
 // this is a comment
-const key = 'c'`
+const key = 'c'
+`
 
     const { ast } = code2ast(code)
     const recasted = recast(ast)
@@ -199,7 +206,8 @@ const key = 'c'`
 /* this is
 a
 comment */
-const yo = 'bing'`
+const yo = 'bing'
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
     expect(recasted).toBe(code)
@@ -209,7 +217,8 @@ const yo = 'bing'`
 const yo = { a: { b: { c: '123' } } }
 const key = 'c'
 
-// this is also a comment`
+// this is also a comment
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
     expect(recasted).toBe(code)
@@ -223,7 +232,8 @@ const key = 'c'
   comment */
   const key = 'c'
   // this is also a comment
-}`
+}
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
     expect(recasted).toBe(code)
@@ -239,7 +249,7 @@ const key = 'c'
     ].join('\n')
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code)
+    expect(recasted.trim()).toBe(code)
   })
   it('comments sprinkled in all over the place', () => {
     const code = `
@@ -261,7 +271,8 @@ const mySk1 = startSketchAt([0, 0])
   |> rx(45, %)
   /*
   one more for good measure
-  */`
+  */
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
     expect(recasted).toBe(`// comment at start
@@ -278,7 +289,8 @@ a comment between pipe expression statements */
   // and another with just white space between others below
   |> ry(45, %)
   |> rx(45, %)
-// one more for good measure`)
+// one more for good measure
+`)
   })
 })
 
@@ -287,19 +299,19 @@ describe('testing call Expressions in BinaryExpressions and UnaryExpressions', (
     const code = 'const myVar = 2 + min(100, legLen(5, 3))'
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code)
+    expect(recasted.trim()).toBe(code)
   })
   it('nested callExpression in unaryExpression', () => {
     const code = 'const myVar = -min(100, legLen(5, 3))'
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code)
+    expect(recasted.trim()).toBe(code)
   })
   it('with unaryExpression in callExpression', () => {
     const code = 'const myVar = min(5, -legLen(5, 4))'
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code)
+    expect(recasted.trim()).toBe(code)
   })
   it('with unaryExpression in sketch situation', () => {
     const code = [
@@ -308,7 +320,7 @@ describe('testing call Expressions in BinaryExpressions and UnaryExpressions', (
     ].join('\n')
     const { ast } = code2ast(code)
     const recasted = recast(ast)
-    expect(recasted).toBe(code)
+    expect(recasted.trim()).toBe(code)
   })
 })
 
@@ -318,12 +330,13 @@ describe('it recasts wrapped object expressions in pipe bodies with correct inde
   |> line({ to: [0.62, 4.15], tag: 'seg01' }, %)
   |> line([2.77, -1.24], %)
   |> angledLineThatIntersects({
-        angle: 201,
-        offset: -1.35,
-        intersectTag: 'seg01'
+       angle: 201,
+       offset: -1.35,
+       intersectTag: 'seg01'
      }, %)
   |> line([-0.42, -1.72], %)
-show(part001)`
+show(part001)
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
     expect(recasted).toBe(code)
@@ -333,7 +346,8 @@ show(part001)`
   angle: 201,
   offset: -1.35,
   intersectTag: 'seg01'
-}, %)`
+}, %)
+`
     const { ast } = code2ast(code)
     const recasted = recast(ast)
     expect(recasted).toBe(code)
@@ -342,7 +356,8 @@ show(part001)`
 
 describe('it recasts binary expression using brackets where needed', () => {
   it('when there are two minus in a row', () => {
-    const code = `const part001 = 1 - (def - abc)`
+    const code = `const part001 = 1 - (def - abc)
+`
     const recasted = recast(code2ast(code).ast)
     expect(recasted).toBe(code)
   })

src/lang/std/engineConnection.ts

@@ -1,20 +1,23 @@
 import { SourceRange } from 'lang/executor'
 import { Selections } from 'useStore'
-import {
-  VITE_KC_API_WS_MODELING_URL,
-  VITE_KC_CONNECTION_TIMEOUT_MS,
-  VITE_KC_CONNECTION_WEBRTC_REPORT_STATS_MS,
-} from 'env'
+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'
 
-interface ResultCommand {
+let lastMessage = ''
+
+interface CommandInfo {
+  commandType: CommandTypes
+  range: SourceRange
+  parentId?: string
+}
+interface ResultCommand extends CommandInfo {
   type: 'result'
   data: any
 }
-interface PendingCommand {
+interface PendingCommand extends CommandInfo {
   type: 'pending'
   promise: Promise<any>
   resolve: (val: any) => void
@@ -34,6 +37,8 @@ interface NewTrackArgs {
 
 type WebSocketResponse = Models['OkWebSocketResponseData_type']
 
+type ClientMetrics = Models['ClientMetrics_type']
+
 // EngineConnection encapsulates the connection(s) to the Engine
 // for the EngineCommandManager; namely, the underlying WebSocket
 // and WebRTC connections.
@@ -53,6 +58,9 @@ export class EngineConnection {
   private onClose: (engineConnection: EngineConnection) => void
   private onNewTrack: (track: NewTrackArgs) => void
 
+  // TODO: actual type is ClientMetrics
+  private webrtcStatsCollector?: () => Promise<ClientMetrics>
+
   constructor({
     url,
     token,
@@ -188,15 +196,17 @@ export class EngineConnection {
         )
       }
 
-      Promise.all([
-        handshakeSpan.promise,
-        iceSpan.promise,
-        dataChannelSpan.promise,
-        mediaTrackSpan.promise,
-      ]).then(() => {
-        console.log('All spans finished, reporting')
-        webrtcMediaTransaction?.finish()
-      })
+      if (this.shouldTrace()) {
+        Promise.all([
+          handshakeSpan.promise,
+          iceSpan.promise,
+          dataChannelSpan.promise,
+          mediaTrackSpan.promise,
+        ]).then(() => {
+          console.log('All spans finished, reporting')
+          webrtcMediaTransaction?.finish()
+        })
+      }
 
       this.onWebsocketOpen(this)
     })
@@ -297,7 +307,9 @@ export class EngineConnection {
 
         this.pc.addEventListener('connectionstatechange', (event) => {
           if (this.pc?.iceConnectionState === 'connected') {
-            iceSpan.resolve?.()
+            if (this.shouldTrace()) {
+              iceSpan.resolve?.()
+            }
           }
         })
 
@@ -330,6 +342,17 @@ export class EngineConnection {
             })
           })
           .catch(console.log)
+      } else if (resp.type === 'metrics_request') {
+        if (this.webrtcStatsCollector === undefined) {
+          // TODO: Error message here?
+          return
+        }
+        this.webrtcStatsCollector().then((client_metrics) => {
+          this.send({
+            type: 'metrics_response',
+            metrics: client_metrics,
+          })
+        })
       }
 
       // TODO(paultag): This ought to be both controllable, as well as something
@@ -361,127 +384,58 @@ export class EngineConnection {
         })
       }
 
-      // Set up the background thread to keep an eye on statistical
-      // information about the WebRTC media stream from the server to
-      // us. We'll also eventually want more global statistical information,
-      // but this will give us a baseline.
-      if (parseInt(VITE_KC_CONNECTION_WEBRTC_REPORT_STATS_MS) !== 0) {
-        setInterval(() => {
-          if (this.pc === undefined) {
-            return
-          }
-          if (!this.shouldTrace()) {
+      this.webrtcStatsCollector = (): Promise<ClientMetrics> => {
+        return new Promise((resolve, reject) => {
+          if (mediaStream.getVideoTracks().length !== 1) {
+            reject(new Error('too many video tracks to report'))
             return
           }
 
-          // Use the WebRTC Statistics API to collect statistical information
-          // about the WebRTC connection we're using to report to Sentry.
-          mediaStream.getVideoTracks().forEach((videoTrack) => {
-            let trackStats = new Map<string, any>()
-            this.pc?.getStats(videoTrack).then((videoTrackStats) => {
-              // Sentry only allows 10 metrics per transaction. We're going
-              // to have to pick carefully here, eventually send like a prom
-              // file or something to the peer.
+          let videoTrack = mediaStream.getVideoTracks()[0]
+          this.pc?.getStats(videoTrack).then((videoTrackStats) => {
+            // TODO(paultag): this needs type information from the KittyCAD typescript
+            // library once it's updated
+            let client_metrics: ClientMetrics = {
+              rtc_frames_decoded: 0,
+              rtc_frames_dropped: 0,
+              rtc_frames_received: 0,
+              rtc_frames_per_second: 0,
+              rtc_freeze_count: 0,
+              rtc_jitter_sec: 0.0,
+              rtc_keyframes_decoded: 0,
+              rtc_total_freezes_duration_sec: 0.0,
+            }
 
-              const transaction = Sentry.startTransaction({
-                name: 'webrtc-stats',
-              })
-              videoTrackStats.forEach((videoTrackReport) => {
-                if (videoTrackReport.type === 'inbound-rtp') {
-                  // RTC Stream Info
-                  // transaction.setMeasurement(
-                  //   'mediaStreamTrack.framesDecoded',
-                  //   videoTrackReport.framesDecoded,
-                  //   'frame'
-                  // )
-                  transaction.setMeasurement(
-                    'rtcFramesDropped',
-                    videoTrackReport.framesDropped,
-                    ''
-                  )
-                  // transaction.setMeasurement(
-                  //   'mediaStreamTrack.framesReceived',
-                  //   videoTrackReport.framesReceived,
-                  //   'frame'
-                  // )
-                  transaction.setMeasurement(
-                    'rtcFramesPerSecond',
-                    videoTrackReport.framesPerSecond,
-                    'fps'
-                  )
-                  transaction.setMeasurement(
-                    'rtcFreezeCount',
-                    videoTrackReport.freezeCount,
-                    ''
-                  )
-                  transaction.setMeasurement(
-                    'rtcJitter',
-                    videoTrackReport.jitter,
-                    'second'
-                  )
-                  // transaction.setMeasurement(
-                  //   'mediaStreamTrack.jitterBufferDelay',
-                  //   videoTrackReport.jitterBufferDelay,
-                  //   ''
-                  // )
-                  // transaction.setMeasurement(
-                  //   'mediaStreamTrack.jitterBufferEmittedCount',
-                  //   videoTrackReport.jitterBufferEmittedCount,
-                  //   ''
-                  // )
-                  // transaction.setMeasurement(
-                  //   'mediaStreamTrack.jitterBufferMinimumDelay',
-                  //   videoTrackReport.jitterBufferMinimumDelay,
-                  //   ''
-                  // )
-                  // transaction.setMeasurement(
-                  //   'mediaStreamTrack.jitterBufferTargetDelay',
-                  //   videoTrackReport.jitterBufferTargetDelay,
-                  //   ''
-                  // )
-                  transaction.setMeasurement(
-                    'rtcKeyFramesDecoded',
-                    videoTrackReport.keyFramesDecoded,
-                    ''
-                  )
-                  transaction.setMeasurement(
-                    'rtcTotalFreezesDuration',
-                    videoTrackReport.totalFreezesDuration,
-                    'second'
-                  )
-                  // transaction.setMeasurement(
-                  //   'mediaStreamTrack.totalInterFrameDelay',
-                  //   videoTrackReport.totalInterFrameDelay,
-                  //   ''
-                  // )
-                  transaction.setMeasurement(
-                    'rtcTotalPausesDuration',
-                    videoTrackReport.totalPausesDuration,
-                    'second'
-                  )
-                  // transaction.setMeasurement(
-                  //   'mediaStreamTrack.totalProcessingDelay',
-                  //   videoTrackReport.totalProcessingDelay,
-                  //   'second'
-                  // )
-                } else if (videoTrackReport.type === 'transport') {
-                  // // Bytes i/o
-                  // transaction.setMeasurement(
-                  //   'mediaStreamTrack.bytesReceived',
-                  //   videoTrackReport.bytesReceived,
-                  //   'byte'
-                  // )
-                  // transaction.setMeasurement(
-                  //   'mediaStreamTrack.bytesSent',
-                  //   videoTrackReport.bytesSent,
-                  //   'byte'
-                  // )
-                }
-              })
-              transaction?.finish()
+            // TODO(paultag): Since we can technically have multiple WebRTC
+            // video tracks (even if the Server doesn't at the moment), we
+            // ought to send stats for every video track(?), and add the stream
+            // ID into it.  This raises the cardinality of collected metrics
+            // when/if we do, but for now, just report the one stream.
+
+            videoTrackStats.forEach((videoTrackReport) => {
+              if (videoTrackReport.type === 'inbound-rtp') {
+                client_metrics.rtc_frames_decoded =
+                  videoTrackReport.framesDecoded
+                client_metrics.rtc_frames_dropped =
+                  videoTrackReport.framesDropped
+                client_metrics.rtc_frames_received =
+                  videoTrackReport.framesReceived
+                client_metrics.rtc_frames_per_second =
+                  videoTrackReport.framesPerSecond || 0
+                client_metrics.rtc_freeze_count = videoTrackReport.freezeCount
+                client_metrics.rtc_jitter_sec = videoTrackReport.jitter
+                client_metrics.rtc_keyframes_decoded =
+                  videoTrackReport.keyFramesDecoded
+                client_metrics.rtc_total_freezes_duration_sec =
+                  videoTrackReport.totalFreezesDuration
+              } else if (videoTrackReport.type === 'transport') {
+                // videoTrackReport.bytesReceived,
+                // videoTrackReport.bytesSent,
+              }
             })
+            resolve(client_metrics)
           })
-        }, VITE_KC_CONNECTION_WEBRTC_REPORT_STATS_MS)
+        })
       }
 
       this.onNewTrack({
@@ -490,10 +444,6 @@ export class EngineConnection {
       })
     })
 
-    // During startup, we'll track the time from `connect` being called
-    // until the 'done' event fires.
-    let connectionStarted = new Date()
-
     this.pc.addEventListener('datachannel', (event) => {
       this.unreliableDataChannel = event.channel
 
@@ -537,6 +487,7 @@ export class EngineConnection {
     this.websocket = undefined
     this.pc = undefined
     this.unreliableDataChannel = undefined
+    this.webrtcStatsCollector = undefined
 
     this.onClose(this)
     this.ready = false
@@ -546,6 +497,8 @@ export class EngineConnection {
 export type EngineCommand = Models['WebSocketRequest_type']
 type ModelTypes = Models['OkModelingCmdResponse_type']['type']
 
+type CommandTypes = Models['ModelingCmd_type']['type']
+
 type UnreliableResponses = Extract<
   Models['OkModelingCmdResponse_type'],
   { type: 'highlight_set_entity' }
@@ -687,15 +640,22 @@ export class EngineCommandManager {
       const resolve = command.resolve
       this.artifactMap[id] = {
         type: 'result',
+        range: command.range,
+        commandType: command.commandType,
+        parentId: command.parentId ? command.parentId : undefined,
         data: modelingResponse,
       }
       resolve({
         id,
+        commandType: command.commandType,
+        range: command.range,
         data: modelingResponse,
       })
     } else {
       this.artifactMap[id] = {
         type: 'result',
+        commandType: command?.commandType,
+        range: command?.range,
         data: modelingResponse,
       }
     }
@@ -747,8 +707,29 @@ export class EngineCommandManager {
     delete this.unreliableSubscriptions[event][id]
   }
   endSession() {
-    // this.websocket?.close()
-    // socket.off('command')
+    // TODO: instead of sending a single command with `object_ids: Object.keys(this.artifactMap)`
+    // we need to loop over them each individualy because if the engine doesn't recognise a single
+    // id the whole command fails.
+    Object.entries(this.artifactMap).forEach(([id, artifact]) => {
+      const artifactTypesToDelete: ArtifactMap[string]['commandType'][] = [
+        // 'start_path' creates a new scene object for the path, which is why it needs to be deleted,
+        // however all of the segments in the path are its children so there don't need to be deleted.
+        // this fact is very opaque in the api and docs (as to what should can be deleted).
+        // Using an array is the list is likely to grow.
+        'start_path',
+      ]
+      if (!artifactTypesToDelete.includes(artifact.commandType)) return
+
+      const deletCmd: EngineCommand = {
+        type: 'modeling_cmd_req',
+        cmd_id: uuidv4(),
+        cmd: {
+          type: 'remove_scene_objects',
+          object_ids: [id],
+        },
+      }
+      this.engineConnection?.send(deletCmd)
+    })
   }
   cusorsSelected(selections: {
     otherSelections: Selections['otherSelections']
@@ -775,6 +756,13 @@ export class EngineCommandManager {
     })
   }
   sendSceneCommand(command: EngineCommand): Promise<any> {
+    if (
+      command.type === 'modeling_cmd_req' &&
+      command.cmd.type !== lastMessage
+    ) {
+      console.log('sending command', command.cmd.type)
+      lastMessage = command.cmd.type
+    }
     if (!this.engineConnection?.isReady()) {
       console.log('socket not ready')
       return Promise.resolve()
@@ -782,7 +770,8 @@ export class EngineCommandManager {
     if (command.type !== 'modeling_cmd_req') return Promise.resolve()
     const cmd = command.cmd
     if (
-      cmd.type === 'camera_drag_move' &&
+      (cmd.type === 'camera_drag_move' ||
+        cmd.type === 'handle_mouse_drag_move') &&
       this.engineConnection?.unreliableDataChannel
     ) {
       cmd.sequence = this.outSequence
@@ -801,11 +790,20 @@ export class EngineCommandManager {
         JSON.stringify(command)
       )
       return Promise.resolve()
+    } else if (
+      cmd.type === 'mouse_move' &&
+      this.engineConnection.unreliableDataChannel
+    ) {
+      cmd.sequence = this.outSequence
+      this.outSequence++
+      this.engineConnection?.unreliableDataChannel?.send(
+        JSON.stringify(command)
+      )
+      return Promise.resolve()
     }
-    console.log('sending command', command)
     // since it's not mouse drag or highlighting send over TCP and keep track of the command
     this.engineConnection?.send(command)
-    return this.handlePendingCommand(command.cmd_id)
+    return this.handlePendingCommand(command.cmd_id, command.cmd)
   }
   sendModelingCommand({
     id,
@@ -823,15 +821,35 @@ export class EngineCommandManager {
       return Promise.resolve()
     }
     this.engineConnection?.send(command)
-    return this.handlePendingCommand(id)
+    if (typeof command !== 'string' && command.type === 'modeling_cmd_req') {
+      return this.handlePendingCommand(id, command?.cmd, range)
+    } else if (typeof command === 'string') {
+      const parseCommand: EngineCommand = JSON.parse(command)
+      if (parseCommand.type === 'modeling_cmd_req')
+        return this.handlePendingCommand(id, parseCommand?.cmd, range)
+    }
+    throw 'shouldnt reach here'
   }
-  handlePendingCommand(id: string) {
+  handlePendingCommand(
+    id: string,
+    command: Models['ModelingCmd_type'],
+    range?: SourceRange
+  ) {
     let resolve: (val: any) => void = () => {}
     const promise = new Promise((_resolve, reject) => {
       resolve = _resolve
     })
+    const getParentId = (): string | undefined => {
+      if (command.type === 'extend_path') {
+        return command.path
+      }
+      // TODO handle other commands that have a parent
+    }
     this.artifactMap[id] = {
+      range: range || [0, 0],
       type: 'pending',
+      commandType: command.type,
+      parentId: getParentId(),
       promise,
       resolve,
     }

src/lang/std/sketch.test.ts

@@ -101,7 +101,8 @@ describe('testing changeSketchArguments', () => {
   |> ${line}
   |> lineTo([0.46, -5.82], %)
 // |> rx(45, %)
-show(mySketch001)`
+show(mySketch001)
+`
     const code = genCode(lineToChange)
     const expectedCode = genCode(lineAfterChange)
     const ast = parser_wasm(code)
@@ -164,7 +165,8 @@ show(mySketch001)`
   |> lineTo([-1.59, -1.54], %)
   |> lineTo([0.46, -5.82], %)
   |> lineTo([2, 3], %)
-show(mySketch001)`
+show(mySketch001)
+`
     expect(recast(modifiedAst)).toBe(expectedCode)
   })
 })
@@ -177,7 +179,8 @@ describe('testing addTagForSketchOnFace', () => {
   // |> rx(45, %)
   |> ${line}
   |> lineTo([0.46, -5.82], %)
-show(mySketch001)`
+show(mySketch001)
+`
     const code = genCode(originalLine)
     const ast = parser_wasm(code)
     const programMemory = await enginelessExecutor(ast)

src/lang/std/sketch.ts

@@ -4,6 +4,7 @@ import {
   SketchGroup,
   SourceRange,
   PathToNode,
+  MemoryItem,
 } from '../executor'
 import {
   Program,
@@ -20,7 +21,7 @@ import {
   getNodePathFromSourceRange,
 } from '../queryAst'
 import { GuiModes, toolTips, TooTip } from '../../useStore'
-import { splitPathAtPipeExpression } from '../modifyAst'
+import { createPipeExpression, splitPathAtPipeExpression } from '../modifyAst'
 import { generateUuidFromHashSeed } from '../../lib/uuid'
 
 import { SketchLineHelper, ModifyAstBase, TransformCallback } from './stdTypes'
@@ -185,7 +186,7 @@ export const line: SketchLineHelper = {
     createCallback,
   }) => {
     const _node = { ...node }
-    const { node: pipe } = getNodeFromPath<PipeExpression>(
+    const { node: pipe } = getNodeFromPath<PipeExpression | CallExpression>(
       _node,
       pathToNode,
       'PipeExpression'
@@ -197,12 +198,12 @@ export const line: SketchLineHelper = {
     )
     const variableName = varDec.id.name
     const sketch = previousProgramMemory?.root?.[variableName]
-    if (sketch.type !== 'sketchGroup') throw new Error('not a sketchGroup')
+    if (sketch.type !== 'SketchGroup') throw new Error('not a SketchGroup')
 
     const newXVal = createLiteral(roundOff(to[0] - from[0], 2))
     const newYVal = createLiteral(roundOff(to[1] - from[1], 2))
 
-    if (replaceExisting && createCallback) {
+    if (replaceExisting && createCallback && pipe.type !== 'CallExpression') {
       const { index: callIndex } = splitPathAtPipeExpression(pathToNode)
       const { callExp, valueUsedInTransform } = createCallback(
         [newXVal, newYVal],
@@ -220,7 +221,11 @@ export const line: SketchLineHelper = {
       createArrayExpression([newXVal, newYVal]),
       createPipeSubstitution(),
     ])
-    pipe.body = [...pipe.body, callExp]
+    if (pipe.type === 'PipeExpression') {
+      pipe.body = [...pipe.body, callExp]
+    } else {
+      varDec.init = createPipeExpression([varDec.init, callExp])
+    }
     return {
       modifiedAst: _node,
       pathToNode,
@@ -238,22 +243,10 @@ export const line: SketchLineHelper = {
       createLiteral(roundOff(to[1] - from[1], 2)),
     ])
 
-    if (
-      callExpression.arguments?.[0].type === 'Literal' &&
-      callExpression.arguments?.[0].value === 'default'
-    ) {
-      callExpression.arguments[0] = toArrExp
-    } else if (callExpression.arguments?.[0].type === 'ObjectExpression') {
+    if (callExpression.arguments?.[0].type === 'ObjectExpression') {
       const toProp = callExpression.arguments?.[0].properties?.find(
         ({ key }) => key.name === 'to'
       )
-      if (
-        toProp &&
-        toProp.value.type === 'Literal' &&
-        toProp.value.value === 'default'
-      ) {
-        toProp.value = toArrExp
-      }
       mutateObjExpProp(callExpression.arguments?.[0], toArrExp, 'to')
     } else {
       mutateArrExp(callExpression.arguments?.[0], toArrExp)
@@ -546,7 +539,7 @@ export const angledLineOfXLength: SketchLineHelper = {
     )
     const variableName = varDec.id.name
     const sketch = previousProgramMemory?.root?.[variableName]
-    if (sketch.type !== 'sketchGroup') throw new Error('not a sketchGroup')
+    if (sketch.type !== 'SketchGroup') throw new Error('not a SketchGroup')
     const angle = createLiteral(roundOff(getAngle(from, to), 0))
     const xLength = createLiteral(roundOff(Math.abs(from[0] - to[0]), 2) || 0.1)
     const newLine = createCallback
@@ -619,7 +612,7 @@ export const angledLineOfYLength: SketchLineHelper = {
     )
     const variableName = varDec.id.name
     const sketch = previousProgramMemory?.root?.[variableName]
-    if (sketch.type !== 'sketchGroup') throw new Error('not a sketchGroup')
+    if (sketch.type !== 'SketchGroup') throw new Error('not a SketchGroup')
 
     const angle = createLiteral(roundOff(getAngle(from, to), 0))
     const yLength = createLiteral(roundOff(Math.abs(from[1] - to[1]), 2) || 0.1)
@@ -876,7 +869,7 @@ export const angledLineThatIntersects: SketchLineHelper = {
     const varName = varDec.declarations[0].id.name
     const sketchGroup = previousProgramMemory.root[varName] as SketchGroup
     const intersectPath = sketchGroup.value.find(
-      ({ name }) => name === intersectTagName
+      ({ name }: Path) => name === intersectTagName
     )
     let offset = 0
     if (intersectPath) {
@@ -968,60 +961,14 @@ export function addNewSketchLn({
     pathToNode,
     'VariableDeclarator'
   )
-  const { node: pipeExp, shallowPath: pipePath } =
-    getNodeFromPath<PipeExpression>(node, pathToNode, 'PipeExpression')
-  const maybeStartSketchAt = pipeExp.body.find(
-    (exp) =>
-      exp.type === 'CallExpression' &&
-      exp.callee.name === 'startSketchAt' &&
-      exp.arguments[0].type === 'Literal' &&
-      exp.arguments[0].value === 'default'
-  )
-  const maybeDefaultLine = pipeExp.body.findIndex(
-    (exp) =>
-      exp.type === 'CallExpression' &&
-      exp.callee.name === 'line' &&
-      exp.arguments[0].type === 'Literal' &&
-      exp.arguments[0].value === 'default'
-  )
-  const defaultLinePath: PathToNode = [
-    ...pipePath,
-    ['body', ''],
-    [maybeDefaultLine, ''],
-  ]
+  const { node: pipeExp, shallowPath: pipePath } = getNodeFromPath<
+    PipeExpression | CallExpression
+  >(node, pathToNode, 'PipeExpression')
   const variableName = varDec.id.name
   const sketch = previousProgramMemory?.root?.[variableName]
-  if (sketch.type !== 'sketchGroup') throw new Error('not a sketchGroup')
+  if (sketch.type !== 'SketchGroup') throw new Error('not a SketchGroup')
 
-  if (maybeStartSketchAt) {
-    const startSketchAt = maybeStartSketchAt as any
-    startSketchAt.arguments[0] = createArrayExpression([
-      createLiteral(to[0]),
-      createLiteral(to[1]),
-    ])
-    return {
-      modifiedAst: node,
-    }
-  }
-  if (maybeDefaultLine !== -1) {
-    const defaultLine = getNodeFromPath<CallExpression>(
-      node,
-      defaultLinePath
-    ).node
-    const { from } = getSketchSegmentFromSourceRange(sketch, [
-      defaultLine.start,
-      defaultLine.end,
-    ]).segment
-    return updateArgs({
-      node,
-      previousProgramMemory,
-      pathToNode: defaultLinePath,
-      to,
-      from,
-    })
-  }
-
-  const last = sketch.value[sketch.value.length - 1]
+  const last = sketch.value[sketch.value.length - 1] || sketch.start
   const from = last.to
 
   return add({
@@ -1198,14 +1145,6 @@ function getFirstArgValuesForXYFns(callExpression: CallExpression): {
 } {
   // used for lineTo, line
   const firstArg = callExpression.arguments[0]
-  if (firstArg.type === 'Literal' && firstArg.value === 'default') {
-    return {
-      val:
-        callExpression.callee.name === 'startSketchAt'
-          ? [createLiteral(0), createLiteral(0)]
-          : [createLiteral(1), createLiteral(1)],
-    }
-  }
   if (firstArg.type === 'ArrayExpression') {
     return { val: [firstArg.elements[0], firstArg.elements[1]] }
   }
@@ -1215,8 +1154,6 @@ function getFirstArgValuesForXYFns(callExpression: CallExpression): {
     if (to?.type === 'ArrayExpression') {
       const [x, y] = to.elements
       return { val: [x, y], tag }
-    } else if (to?.type === 'Literal' && to.value === 'default') {
-      return { val: [createLiteral(0), createLiteral(0)], tag }
     }
   }
   throw new Error('expected ArrayExpression or ObjectExpression')

src/lang/std/sketchConstraints.test.ts

@@ -59,19 +59,19 @@ describe('testing swaping out sketch calls with xLine/xLineTo', () => {
     `  |> lineTo({ to: [1, 1], tag: 'abc1' }, %)`,
     `  |> line({ to: [-2.04, -0.7], tag: 'abc2' }, %)`,
     `  |> angledLine({`,
-    `        angle: 157,`,
-    `        length: 1.69,`,
-    `        tag: 'abc3'`,
+    `       angle: 157,`,
+    `       length: 1.69,`,
+    `       tag: 'abc3'`,
     `     }, %)`,
     `  |> angledLineOfXLength({`,
-    `        angle: 217,`,
-    `        length: 0.86,`,
-    `        tag: 'abc4'`,
+    `       angle: 217,`,
+    `       length: 0.86,`,
+    `       tag: 'abc4'`,
     `     }, %)`,
     `  |> angledLineOfYLength({`,
-    `        angle: 104,`,
-    `        length: 1.58,`,
-    `        tag: 'abc5'`,
+    `       angle: 104,`,
+    `       length: 1.58,`,
+    `       tag: 'abc5'`,
     `     }, %)`,
     `  |> angledLineToX({ angle: 55, to: -2.89, tag: 'abc6' }, %)`,
     `  |> angledLineToY({ angle: 330, to: 2.53, tag: 'abc7' }, %)`,
@@ -144,9 +144,9 @@ describe('testing swaping out sketch calls with xLine/xLineTo', () => {
       inputCode: bigExample,
       callToSwap: [
         `angledLine({`,
-        `        angle: 157,`,
-        `        length: 1.69,`,
-        `        tag: 'abc3'`,
+        `       angle: 157,`,
+        `       length: 1.69,`,
+        `       tag: 'abc3'`,
         `     }, %)`,
       ].join('\n'),
       constraintType: 'horizontal',
@@ -172,9 +172,9 @@ describe('testing swaping out sketch calls with xLine/xLineTo', () => {
       inputCode: bigExample,
       callToSwap: [
         `angledLineOfXLength({`,
-        `        angle: 217,`,
-        `        length: 0.86,`,
-        `        tag: 'abc4'`,
+        `       angle: 217,`,
+        `       length: 0.86,`,
+        `       tag: 'abc4'`,
         `     }, %)`,
       ].join('\n'),
       constraintType: 'horizontal',
@@ -201,9 +201,9 @@ describe('testing swaping out sketch calls with xLine/xLineTo', () => {
       inputCode: bigExample,
       callToSwap: [
         `angledLineOfYLength({`,
-        `        angle: 104,`,
-        `        length: 1.58,`,
-        `        tag: 'abc5'`,
+        `       angle: 104,`,
+        `       length: 1.58,`,
+        `       tag: 'abc5'`,
         `     }, %)`,
       ].join('\n'),
       constraintType: 'vertical',
@@ -401,6 +401,11 @@ show(part001)`
       programMemory.root['part001'] as SketchGroup,
       [index, index]
     ).segment
-    expect(segment).toEqual({ to: [0, 0.04], from: [0, 0.04], name: '' })
+    expect(segment).toEqual({
+      to: [0, 0.04],
+      from: [0, 0.04],
+      name: '',
+      type: 'base',
+    })
   })
 })

src/lang/std/sketchConstraints.ts

@@ -4,7 +4,7 @@ import {
   VariableDeclarator,
   CallExpression,
 } from '../abstractSyntaxTreeTypes'
-import { SketchGroup, SourceRange } from '../executor'
+import { SketchGroup, SourceRange, Path } from '../executor'
 
 export function getSketchSegmentFromSourceRange(
   sketchGroup: SketchGroup,
@@ -20,10 +20,10 @@ export function getSketchSegmentFromSourceRange(
     startSourceRange[1] >= rangeEnd &&
     sketchGroup.start
   )
-    return { segment: sketchGroup.start, index: -1 }
+    return { segment: { ...sketchGroup.start, type: 'base' }, index: -1 }
 
   const lineIndex = sketchGroup.value.findIndex(
-    ({ __geoMeta: { sourceRange } }) =>
+    ({ __geoMeta: { sourceRange } }: Path) =>
       sourceRange[0] <= rangeStart && sourceRange[1] >= rangeEnd
   )
   const line = sketchGroup.value[lineIndex]

src/lang/std/sketchcombos.test.ts

@@ -124,7 +124,8 @@ const part001 = startSketchAt([0, 0])
   |> yLine(1.04, %) // ln-yLine-free should sub in segLen
   |> xLineTo(30, %) // ln-xLineTo-free should convert to xLine
   |> yLineTo(20, %) // ln-yLineTo-free should convert to yLine
-show(part001)`
+show(part001)
+`
   const expectModifiedScript = `const myVar = 3
 const myVar2 = 5
 const myVar3 = 6
@@ -133,69 +134,70 @@ const myAng2 = 134
 const part001 = startSketchAt([0, 0])
   |> line({ to: [1, 3.82], tag: 'seg01' }, %) // ln-should-get-tag
   |> angledLineToX([
-        -angleToMatchLengthX('seg01', myVar, %),
-        myVar
-    ], %) // ln-lineTo-xAbsolute should use angleToMatchLengthX helper
+       -angleToMatchLengthX('seg01', myVar, %),
+       myVar
+     ], %) // ln-lineTo-xAbsolute should use angleToMatchLengthX helper
   |> angledLineToY([
-        -angleToMatchLengthY('seg01', myVar, %),
-        myVar
-    ], %) // ln-lineTo-yAbsolute should use angleToMatchLengthY helper
+       -angleToMatchLengthY('seg01', myVar, %),
+       myVar
+     ], %) // ln-lineTo-yAbsolute should use angleToMatchLengthY helper
   |> angledLine([45, segLen('seg01', %)], %) // ln-lineTo-free should become angledLine
   |> angledLine([45, segLen('seg01', %)], %) // ln-angledLineToX-free should become angledLine
   |> angledLine([myAng, segLen('seg01', %)], %) // ln-angledLineToX-angle should become angledLine
   |> angledLineToX([
-        angleToMatchLengthX('seg01', myVar2, %),
-        myVar2
-    ], %) // ln-angledLineToX-xAbsolute should use angleToMatchLengthX to get angle
+       angleToMatchLengthX('seg01', myVar2, %),
+       myVar2
+     ], %) // ln-angledLineToX-xAbsolute should use angleToMatchLengthX to get angle
   |> angledLine([-45, segLen('seg01', %)], %) // ln-angledLineToY-free should become angledLine
   |> angledLine([myAng2, segLen('seg01', %)], %) // ln-angledLineToY-angle should become angledLine
   |> angledLineToY([
-        angleToMatchLengthY('seg01', myVar3, %),
-        myVar3
-    ], %) // ln-angledLineToY-yAbsolute should use angleToMatchLengthY to get angle
+       angleToMatchLengthY('seg01', myVar3, %),
+       myVar3
+     ], %) // ln-angledLineToY-yAbsolute should use angleToMatchLengthY to get angle
   |> line([
-        min(segLen('seg01', %), myVar),
-        legLen(segLen('seg01', %), myVar)
-    ], %) // ln-should use legLen for y
+       min(segLen('seg01', %), myVar),
+       legLen(segLen('seg01', %), myVar)
+     ], %) // ln-should use legLen for y
   |> line([
-        min(segLen('seg01', %), myVar),
-        -legLen(segLen('seg01', %), myVar)
-    ], %) // ln-legLen but negative
+       min(segLen('seg01', %), myVar),
+       -legLen(segLen('seg01', %), myVar)
+     ], %) // ln-legLen but negative
   |> angledLine([-112, segLen('seg01', %)], %) // ln-should become angledLine
   |> angledLine([myVar, segLen('seg01', %)], %) // ln-use segLen for secound arg
   |> angledLine([45, segLen('seg01', %)], %) // ln-segLen again
   |> angledLine([54, segLen('seg01', %)], %) // ln-should be transformed to angledLine
   |> angledLineOfXLength([
-        legAngX(segLen('seg01', %), myVar),
-        min(segLen('seg01', %), myVar)
-    ], %) // ln-should use legAngX to calculate angle
+       legAngX(segLen('seg01', %), myVar),
+       min(segLen('seg01', %), myVar)
+     ], %) // ln-should use legAngX to calculate angle
   |> angledLineOfXLength([
-        180 + legAngX(segLen('seg01', %), myVar),
-        min(segLen('seg01', %), myVar)
-    ], %) // ln-same as above but should have + 180 to match original quadrant
+       180 + legAngX(segLen('seg01', %), myVar),
+       min(segLen('seg01', %), myVar)
+     ], %) // ln-same as above but should have + 180 to match original quadrant
   |> line([
-        legLen(segLen('seg01', %), myVar),
-        min(segLen('seg01', %), myVar)
-    ], %) // ln-legLen again but yRelative
+       legLen(segLen('seg01', %), myVar),
+       min(segLen('seg01', %), myVar)
+     ], %) // ln-legLen again but yRelative
   |> line([
-        -legLen(segLen('seg01', %), myVar),
-        min(segLen('seg01', %), myVar)
-    ], %) // ln-negative legLen yRelative
+       -legLen(segLen('seg01', %), myVar),
+       min(segLen('seg01', %), myVar)
+     ], %) // ln-negative legLen yRelative
   |> angledLine([58, segLen('seg01', %)], %) // ln-angledLineOfYLength-free should become angledLine
   |> angledLine([myAng, segLen('seg01', %)], %) // ln-angledLineOfYLength-angle should become angledLine
   |> angledLineOfXLength([
-        legAngY(segLen('seg01', %), myVar),
-        min(segLen('seg01', %), myVar)
-    ], %) // ln-angledLineOfYLength-yRelative use legAngY
+       legAngY(segLen('seg01', %), myVar),
+       min(segLen('seg01', %), myVar)
+     ], %) // ln-angledLineOfYLength-yRelative use legAngY
   |> angledLineOfXLength([
-        270 + legAngY(segLen('seg01', %), myVar),
-        min(segLen('seg01', %), myVar)
-    ], %) // ln-angledLineOfYLength-yRelative with angle > 90 use binExp
+       270 + legAngY(segLen('seg01', %), myVar),
+       min(segLen('seg01', %), myVar)
+     ], %) // ln-angledLineOfYLength-yRelative with angle > 90 use binExp
   |> xLine(segLen('seg01', %), %) // ln-xLine-free should sub in segLen
   |> yLine(segLen('seg01', %), %) // ln-yLine-free should sub in segLen
   |> xLine(segLen('seg01', %), %) // ln-xLineTo-free should convert to xLine
   |> yLine(segLen('seg01', %), %) // ln-yLineTo-free should convert to yLine
-show(part001)`
+show(part001)
+`
   it('should transform the ast', async () => {
     const ast = parser_wasm(inputScript)
     const selectionRanges: Selections['codeBasedSelections'] = inputScript
@@ -254,7 +256,8 @@ const part001 = startSketchAt([0, 0])
   |> angledLineToY([223, 7.68], %) // select for vertical constraint 9
   |> angledLineToX([333, myVar3], %) // select for horizontal constraint 10
   |> angledLineToY([301, myVar], %) // select for vertical constraint 10
-show(part001)`
+show(part001)
+`
   it('should transform horizontal lines the ast', async () => {
     const expectModifiedScript = `const myVar = 2
 const myVar2 = 12
@@ -281,7 +284,8 @@ const part001 = startSketchAt([0, 0])
   |> angledLineToY([223, 7.68], %) // select for vertical constraint 9
   |> xLineTo(myVar3, %) // select for horizontal constraint 10
   |> angledLineToY([301, myVar], %) // select for vertical constraint 10
-show(part001)`
+show(part001)
+`
     const ast = parser_wasm(inputScript)
     const selectionRanges: Selections['codeBasedSelections'] = inputScript
       .split('\n')
@@ -338,7 +342,8 @@ const part001 = startSketchAt([0, 0])
   |> yLineTo(7.68, %) // select for vertical constraint 9
   |> angledLineToX([333, myVar3], %) // select for horizontal constraint 10
   |> yLineTo(myVar, %) // select for vertical constraint 10
-show(part001)`
+show(part001)
+`
     const ast = parser_wasm(inputScript)
     const selectionRanges: Selections['codeBasedSelections'] = inputScript
       .split('\n')
@@ -380,7 +385,8 @@ const part001 = startSketchAt([0, 0])
   |> line([0.45, 1.46], %) // free
   |> line([myVar, 0.01], %) // xRelative
   |> line([0.7, myVar], %) // yRelative
-show(part001)`
+show(part001)
+`
     it('testing for free to horizontal and vertical distance', async () => {
       const expectedHorizontalCode = await helperThing(
         inputScript,
@@ -406,9 +412,9 @@ show(part001)`
         'setVertDistance'
       )
       expect(expectedCode).toContain(`|> lineTo([
-        lastSegX(%) + myVar,
-        segEndY('seg01', %) + 2.93
-    ], %) // xRelative`)
+       lastSegX(%) + myVar,
+       segEndY('seg01', %) + 2.93
+     ], %) // xRelative`)
     })
     it('testing for yRelative to horizontal distance', async () => {
       const expectedCode = await helperThing(
@@ -417,9 +423,9 @@ show(part001)`
         'setHorzDistance'
       )
       expect(expectedCode).toContain(`|> lineTo([
-        segEndX('seg01', %) + 2.6,
-        lastSegY(%) + myVar
-    ], %) // yRelative`)
+       segEndX('seg01', %) + 2.6,
+       lastSegY(%) + myVar
+     ], %) // yRelative`)
     })
   })
 })

src/lang/std/sketchcombos.ts

@@ -28,6 +28,7 @@ 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'
@@ -1426,7 +1427,6 @@ export function transformAstSketchLines({
   selectionRanges.codeBasedSelections.forEach(({ range }, index) => {
     const callBack = transformInfos?.[index].createNode
     const transformTo = transformInfos?.[index].tooltip
-    console.log('transformTo', transformInfos)
     if (!callBack || !transformTo) throw new Error('no callback helper')
 
     const getNode = getNodeFromPathCurry(
@@ -1453,7 +1453,7 @@ export function transformAstSketchLines({
 
     const varName = varDec.id.name
     const sketchGroup = programMemory.root?.[varName]
-    if (!sketchGroup || sketchGroup.type !== 'sketchGroup')
+    if (!sketchGroup || sketchGroup.type !== 'SketchGroup')
       throw new Error('not a sketch group')
     const seg = getSketchSegmentFromSourceRange(sketchGroup, range).segment
     const referencedSegment = referencedSegmentRange

src/lib/cameraControls.ts

@@ -0,0 +1,156 @@
+const noModifiersPressed = (e: React.MouseEvent) =>
+  !e.ctrlKey && !e.shiftKey && !e.altKey && !e.metaKey
+
+export type CameraSystem =
+  | 'KittyCAD'
+  | 'OnShape'
+  | 'Trackpad Friendly'
+  | 'Solidworks'
+  | 'NX'
+  | 'Creo'
+  | 'AutoCAD'
+
+export const cameraSystems: CameraSystem[] = [
+  'KittyCAD',
+  'OnShape',
+  'Trackpad Friendly',
+  'Solidworks',
+  'NX',
+  'Creo',
+  'AutoCAD',
+]
+
+interface MouseGuardHandler {
+  description: string
+  callback: (e: React.MouseEvent) => boolean
+  lenientDragStartButton?: number
+}
+
+interface MouseGuardZoomHandler {
+  description: string
+  dragCallback: (e: React.MouseEvent) => boolean
+  scrollCallback: (e: React.MouseEvent) => boolean
+  lenientDragStartButton?: number
+}
+
+interface MouseGuard {
+  pan: MouseGuardHandler
+  zoom: MouseGuardZoomHandler
+  rotate: MouseGuardHandler
+}
+
+export const cameraMouseDragGuards: Record<CameraSystem, MouseGuard> = {
+  KittyCAD: {
+    pan: {
+      description: 'Right click + Shift + drag or middle click + drag',
+      callback: (e) =>
+        (e.button === 1 && noModifiersPressed(e)) ||
+        (e.button === 2 && e.shiftKey),
+    },
+    zoom: {
+      description: 'Scroll wheel or Right click + Ctrl + drag',
+      dragCallback: (e) => e.button === 2 && e.ctrlKey,
+      scrollCallback: () => true,
+    },
+    rotate: {
+      description: 'Right click + drag',
+      callback: (e) => e.button === 2 && noModifiersPressed(e),
+    },
+  },
+  OnShape: {
+    pan: {
+      description: 'Right click + Ctrl + drag or middle click + drag',
+      callback: (e) =>
+        (e.button === 2 && e.ctrlKey) ||
+        (e.button === 1 && noModifiersPressed(e)),
+    },
+    zoom: {
+      description: 'Scroll wheel',
+      dragCallback: () => false,
+      scrollCallback: () => true,
+    },
+    rotate: {
+      description: 'Right click + drag',
+      callback: (e) => e.button === 2 && noModifiersPressed(e),
+    },
+  },
+  'Trackpad Friendly': {
+    pan: {
+      description: 'Left click + Alt + Shift + drag or middle click + drag',
+      callback: (e) =>
+        (e.button === 0 && e.altKey && e.shiftKey && !e.metaKey) ||
+        (e.button === 1 && noModifiersPressed(e)),
+    },
+    zoom: {
+      description: 'Scroll wheel or Left click + Alt + OS + drag',
+      dragCallback: (e) => e.button === 0 && e.altKey && e.metaKey,
+      scrollCallback: () => true,
+    },
+    rotate: {
+      description: 'Left click + Alt + drag',
+      callback: (e) => e.button === 0 && e.altKey && !e.shiftKey && !e.metaKey,
+      lenientDragStartButton: 0,
+    },
+  },
+  Solidworks: {
+    pan: {
+      description: 'Right click + Ctrl + drag',
+      callback: (e) => e.button === 2 && e.ctrlKey,
+      lenientDragStartButton: 2,
+    },
+    zoom: {
+      description: 'Scroll wheel or Middle click + Shift + drag',
+      dragCallback: (e) => e.button === 1 && e.shiftKey,
+      scrollCallback: () => true,
+    },
+    rotate: {
+      description: 'Middle click + drag',
+      callback: (e) => e.button === 1 && noModifiersPressed(e),
+    },
+  },
+  NX: {
+    pan: {
+      description: 'Middle click + Shift + drag',
+      callback: (e) => e.button === 1 && e.shiftKey,
+    },
+    zoom: {
+      description: 'Scroll wheel or Middle click + Ctrl + drag',
+      dragCallback: (e) => e.button === 1 && e.ctrlKey,
+      scrollCallback: () => true,
+    },
+    rotate: {
+      description: 'Middle click + drag',
+      callback: (e) => e.button === 1 && noModifiersPressed(e),
+    },
+  },
+  Creo: {
+    pan: {
+      description: 'Middle click + Shift + drag',
+      callback: (e) => e.button === 1 && e.shiftKey,
+    },
+    zoom: {
+      description: 'Scroll wheel or Middle click + Ctrl + drag',
+      dragCallback: (e) => e.button === 1 && e.ctrlKey,
+      scrollCallback: () => true,
+    },
+    rotate: {
+      description: 'Middle click + drag',
+      callback: (e) => e.button === 1 && noModifiersPressed(e),
+    },
+  },
+  AutoCAD: {
+    pan: {
+      description: 'Middle click + drag',
+      callback: (e) => e.button === 1 && noModifiersPressed(e),
+    },
+    zoom: {
+      description: 'Scroll wheel',
+      dragCallback: () => false,
+      scrollCallback: () => true,
+    },
+    rotate: {
+      description: 'Middle click + Shift + drag',
+      callback: (e) => e.button === 1 && e.shiftKey,
+    },
+  },
+}

src/lib/tauriFS.ts

@@ -5,7 +5,7 @@ import {
   readDir,
   writeTextFile,
 } from '@tauri-apps/api/fs'
-import { documentDir } from '@tauri-apps/api/path'
+import { documentDir, homeDir } from '@tauri-apps/api/path'
 import { isTauri } from './isTauri'
 import { ProjectWithEntryPointMetadata } from '../Router'
 import { metadata } from 'tauri-plugin-fs-extra-api'
@@ -32,7 +32,13 @@ export async function initializeProjectDirectory(directory: string) {
     return directory
   }
 
-  const docDirectory = await documentDir()
+  let docDirectory: string
+  try {
+    docDirectory = await documentDir()
+  } catch (e) {
+    console.log(e)
+    docDirectory = await homeDir() // seems to work better on Linux
+  }
 
   const INITIAL_DEFAULT_DIR = docDirectory + PROJECT_FOLDER
 

src/lib/testHelpers.ts

@@ -49,7 +49,7 @@ class MockEngineCommandManager {
 
 export async function enginelessExecutor(
   ast: Program,
-  pm: ProgramMemory = { root: {} }
+  pm: ProgramMemory = { root: {}, return: null }
 ): Promise<ProgramMemory> {
   const mockEngineCommandManager = new MockEngineCommandManager({
     setIsStreamReady: () => {},
@@ -64,7 +64,7 @@ export async function enginelessExecutor(
 
 export async function executor(
   ast: Program,
-  pm: ProgramMemory = { root: {} }
+  pm: ProgramMemory = { root: {}, return: null }
 ): Promise<ProgramMemory> {
   const engineCommandManager = new EngineCommandManager({
     setIsStreamReady: () => {},

src/lib/utils.ts

@@ -56,6 +56,27 @@ export function throttle<T>(
   return throttled
 }
 
+// takes a function and executes it after the wait time, if the function is called again before the wait time is up, the timer is reset
+export function defferExecution<T>(func: (args: T) => any, wait: number) {
+  let timeout: ReturnType<typeof setTimeout> | null
+  let latestArgs: T
+
+  function later() {
+    timeout = null
+    func(latestArgs)
+  }
+
+  function deffered(args: T) {
+    latestArgs = args
+    if (timeout) {
+      clearTimeout(timeout)
+    }
+    timeout = setTimeout(later, wait)
+  }
+
+  return deffered
+}
+
 export function getNormalisedCoordinates({
   clientX,
   clientY,

src/machines/authMachine.ts

@@ -118,16 +118,14 @@ async function getUser(context: UserContext) {
   if (!context.token && '__TAURI__' in window) throw 'not log in'
   if (context.token) headers['Authorization'] = `Bearer ${context.token}`
   if (SKIP_AUTH) return LOCAL_USER
-  try {
-    const response = await fetch(url, {
-      method: 'GET',
-      credentials: 'include',
-      headers,
-    })
-    const user = await response.json()
-    if ('error_code' in user) throw new Error(user.message)
-    return user
-  } catch (e) {
-    console.error(e)
-  }
+  const response = await fetch(url, {
+    method: 'GET',
+    credentials: 'include',
+    headers,
+  })
+
+  const user = await response.json()
+  if ('error_code' in user) throw new Error(user.message)
+
+  return user
 }

src/machines/settingsMachine.ts

@@ -1,29 +1,54 @@
 import { assign, createMachine } from 'xstate'
-import { BaseUnit, baseUnitsUnion } from '../useStore'
 import { CommandBarMeta } from '../lib/commands'
 import { Themes, getSystemTheme, setThemeClass } from '../lib/theme'
+import { CameraSystem, cameraSystems } from 'lib/cameraControls'
+
+export const DEFAULT_PROJECT_NAME = 'project-$nnn'
 
 export enum UnitSystem {
   Imperial = 'imperial',
   Metric = 'metric',
 }
 
+export const baseUnits = {
+  imperial: ['in', 'ft'],
+  metric: ['mm', 'cm', 'm'],
+} as const
+
+export type BaseUnit = 'in' | 'ft' | 'mm' | 'cm' | 'm'
+
+export const baseUnitsUnion = Object.values(baseUnits).flatMap((v) => v)
+
+export type Toggle = 'On' | 'Off'
+
 export const SETTINGS_PERSIST_KEY = 'SETTINGS_PERSIST_KEY'
 
 export const settingsCommandBarMeta: CommandBarMeta = {
-  'Set Theme': {
-    displayValue: (args: string[]) => 'Change the app theme',
+  'Set Base Unit': {
+    displayValue: (args: string[]) => 'Set your default base unit',
     args: [
       {
-        name: 'theme',
+        name: 'baseUnit',
         type: 'select',
-        defaultValue: 'theme',
-        options: Object.values(Themes).map((v) => ({ name: v })) as {
-          name: string
-        }[],
+        defaultValue: 'baseUnit',
+        options: Object.values(baseUnitsUnion).map((v) => ({ name: v })),
       },
     ],
   },
+  'Set Camera Controls': {
+    displayValue: (args: string[]) => 'Set your camera controls',
+    args: [
+      {
+        name: 'cameraControls',
+        type: 'select',
+        defaultValue: 'cameraControls',
+        options: Object.values(cameraSystems).map((v) => ({ name: v })),
+      },
+    ],
+  },
+  'Set Default Directory': {
+    hide: 'both',
+  },
   'Set Default Project Name': {
     displayValue: (args: string[]) => 'Set a new default project name',
     hide: 'web',
@@ -37,9 +62,33 @@ export const settingsCommandBarMeta: CommandBarMeta = {
       },
     ],
   },
-  'Set Default Directory': {
+  'Set Onboarding Status': {
     hide: 'both',
   },
+  'Set Text Wrapping': {
+    displayValue: (args: string[]) => 'Set whether text in the editor wraps',
+    args: [
+      {
+        name: 'textWrapping',
+        type: 'select',
+        defaultValue: 'textWrapping',
+        options: [{ name: 'On' }, { name: 'Off' }],
+      },
+    ],
+  },
+  'Set Theme': {
+    displayValue: (args: string[]) => 'Change the app theme',
+    args: [
+      {
+        name: 'theme',
+        type: 'select',
+        defaultValue: 'theme',
+        options: Object.values(Themes).map((v): { name: string } => ({
+          name: v,
+        })),
+      },
+    ],
+  },
   'Set Unit System': {
     displayValue: (args: string[]) => 'Set your default unit system',
     args: [
@@ -51,20 +100,6 @@ export const settingsCommandBarMeta: CommandBarMeta = {
       },
     ],
   },
-  'Set Base Unit': {
-    displayValue: (args: string[]) => 'Set your default base unit',
-    args: [
-      {
-        name: 'baseUnit',
-        type: 'select',
-        defaultValue: 'baseUnit',
-        options: Object.values(baseUnitsUnion).map((v) => ({ name: v })),
-      },
-    ],
-  },
-  'Set Onboarding Status': {
-    hide: 'both',
-  },
 }
 
 export const settingsMachine = createMachine(
@@ -73,35 +108,34 @@ export const settingsMachine = createMachine(
     id: 'Settings',
     predictableActionArguments: true,
     context: {
-      theme: Themes.System,
-      defaultProjectName: '',
-      unitSystem: UnitSystem.Imperial,
       baseUnit: 'in' as BaseUnit,
+      cameraControls: 'KittyCAD' as CameraSystem,
       defaultDirectory: '',
-      showDebugPanel: false,
+      defaultProjectName: DEFAULT_PROJECT_NAME,
       onboardingStatus: '',
+      showDebugPanel: false,
+      textWrapping: 'On' as Toggle,
+      theme: Themes.System,
+      unitSystem: UnitSystem.Imperial,
     },
     initial: 'idle',
     states: {
       idle: {
         entry: ['setThemeClass'],
         on: {
-          'Set Theme': {
+          'Set Base Unit': {
             actions: [
-              assign({
-                theme: (_, event) => event.data.theme,
-              }),
+              assign({ baseUnit: (_, event) => event.data.baseUnit }),
               'persistSettings',
               'toastSuccess',
-              'setThemeClass',
             ],
             target: 'idle',
             internal: true,
           },
-          'Set Default Project Name': {
+          'Set Camera Controls': {
             actions: [
               assign({
-                defaultProjectName: (_, event) => event.data.defaultProjectName,
+                cameraControls: (_, event) => event.data.cameraControls,
               }),
               'persistSettings',
               'toastSuccess',
@@ -120,12 +154,11 @@ export const settingsMachine = createMachine(
             target: 'idle',
             internal: true,
           },
-          'Set Unit System': {
+          'Set Default Project Name': {
             actions: [
               assign({
-                unitSystem: (_, event) => event.data.unitSystem,
-                baseUnit: (_, event) =>
-                  event.data.unitSystem === 'imperial' ? 'in' : 'mm',
+                defaultProjectName: (_, event) =>
+                  event.data.defaultProjectName.trim() || DEFAULT_PROJECT_NAME,
               }),
               'persistSettings',
               'toastSuccess',
@@ -133,9 +166,46 @@ export const settingsMachine = createMachine(
             target: 'idle',
             internal: true,
           },
-          'Set Base Unit': {
+          'Set Onboarding Status': {
             actions: [
-              assign({ baseUnit: (_, event) => event.data.baseUnit }),
+              assign({
+                onboardingStatus: (_, event) => event.data.onboardingStatus,
+              }),
+              'persistSettings',
+            ],
+            target: 'idle',
+            internal: true,
+          },
+          'Set Text Wrapping': {
+            actions: [
+              assign({
+                textWrapping: (_, event) => event.data.textWrapping,
+              }),
+              'persistSettings',
+              'toastSuccess',
+            ],
+            target: 'idle',
+            internal: true,
+          },
+          'Set Theme': {
+            actions: [
+              assign({
+                theme: (_, event) => event.data.theme,
+              }),
+              'persistSettings',
+              'toastSuccess',
+              'setThemeClass',
+            ],
+            target: 'idle',
+            internal: true,
+          },
+          'Set Unit System': {
+            actions: [
+              assign({
+                unitSystem: (_, event) => event.data.unitSystem,
+                baseUnit: (_, event) =>
+                  event.data.unitSystem === 'imperial' ? 'in' : 'mm',
+              }),
               'persistSettings',
               'toastSuccess',
             ],
@@ -155,34 +225,29 @@ export const settingsMachine = createMachine(
             target: 'idle',
             internal: true,
           },
-          'Set Onboarding Status': {
-            actions: [
-              assign({
-                onboardingStatus: (_, event) => event.data.onboardingStatus,
-              }),
-              'persistSettings',
-            ],
-            target: 'idle',
-            internal: true,
-          },
         },
       },
     },
     tsTypes: {} as import('./settingsMachine.typegen').Typegen0,
     schema: {
       events: {} as
-        | { type: 'Set Theme'; data: { theme: Themes } }
+        | { type: 'Set Base Unit'; data: { baseUnit: BaseUnit } }
+        | {
+            type: 'Set Camera Controls'
+            data: { cameraControls: CameraSystem }
+          }
+        | { type: 'Set Default Directory'; data: { defaultDirectory: string } }
         | {
             type: 'Set Default Project Name'
             data: { defaultProjectName: string }
           }
-        | { type: 'Set Default Directory'; data: { defaultDirectory: string } }
+        | { type: 'Set Onboarding Status'; data: { onboardingStatus: string } }
+        | { type: 'Set Text Wrapping'; data: { textWrapping: Toggle } }
+        | { type: 'Set Theme'; data: { theme: Themes } }
         | {
             type: 'Set Unit System'
             data: { unitSystem: UnitSystem }
           }
-        | { type: 'Set Base Unit'; data: { baseUnit: BaseUnit } }
-        | { type: 'Set Onboarding Status'; data: { onboardingStatus: string } }
         | { type: 'Toggle Debug Panel' },
     },
   },

src/machines/settingsMachine.typegen.ts

@@ -15,25 +15,31 @@ export interface Typegen0 {
   eventsCausingActions: {
     persistSettings:
       | 'Set Base Unit'
+      | 'Set Camera Controls'
       | 'Set Default Directory'
       | 'Set Default Project Name'
       | 'Set Onboarding Status'
+      | 'Set Text Wrapping'
       | 'Set Theme'
       | 'Set Unit System'
       | 'Toggle Debug Panel'
     setThemeClass:
       | 'Set Base Unit'
+      | 'Set Camera Controls'
       | 'Set Default Directory'
       | 'Set Default Project Name'
       | 'Set Onboarding Status'
+      | 'Set Text Wrapping'
       | 'Set Theme'
       | 'Set Unit System'
       | 'Toggle Debug Panel'
       | 'xstate.init'
     toastSuccess:
       | 'Set Base Unit'
+      | 'Set Camera Controls'
       | 'Set Default Directory'
       | 'Set Default Project Name'
+      | 'Set Text Wrapping'
       | 'Set Theme'
       | 'Set Unit System'
       | 'Toggle Debug Panel'

src/routes/Home.tsx

@@ -28,6 +28,7 @@ import {
 import useStateMachineCommands from '../hooks/useStateMachineCommands'
 import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
 import { useCommandsContext } from 'hooks/useCommandsContext'
+import { DEFAULT_PROJECT_NAME } from 'machines/settingsMachine'
 
 // This route only opens in the Tauri desktop context for now,
 // as defined in Router.tsx, so we can use the Tauri APIs and types.
@@ -38,6 +39,7 @@ const Home = () => {
   const {
     settings: {
       context: { defaultDirectory, defaultProjectName },
+      send: sendToSettings,
     },
   } = useGlobalStateContext()
 
@@ -71,16 +73,33 @@ const Home = () => {
         context: ContextFrom<typeof homeMachine>,
         event: EventFrom<typeof homeMachine, 'Create project'>
       ) => {
-        let name =
+        let name = (
           event.data && 'name' in event.data
             ? event.data.name
             : defaultProjectName
+        ).trim()
+        let shouldUpdateDefaultProjectName = false
+
+        // If there is no default project name, flag it to be set to the default
+        if (!name) {
+          name = DEFAULT_PROJECT_NAME
+          shouldUpdateDefaultProjectName = true
+        }
+
         if (doesProjectNameNeedInterpolated(name)) {
           const nextIndex = await getNextProjectIndex(name, projects)
           name = interpolateProjectNameWithIndex(name, nextIndex)
         }
 
         await createNewProject(context.defaultDirectory + '/' + name)
+
+        if (shouldUpdateDefaultProjectName) {
+          sendToSettings({
+            type: 'Set Default Project Name',
+            data: { defaultProjectName: DEFAULT_PROJECT_NAME },
+          })
+        }
+
         return `Successfully created "${name}"`
       },
       renameProject: async (

src/routes/Onboarding/Camera.tsx

@@ -4,8 +4,8 @@ import { onboardingPaths, useDismiss, useNextClick } from '.'
 import { useStore } from '../../useStore'
 
 export default function Units() {
-  const { isMouseDownInStream } = useStore((s) => ({
-    isMouseDownInStream: s.isMouseDownInStream,
+  const { buttonDownInStream } = useStore((s) => ({
+    buttonDownInStream: s.buttonDownInStream,
   }))
   const dismiss = useDismiss()
   const next = useNextClick(onboardingPaths.SKETCHING)
@@ -15,7 +15,7 @@ export default function Units() {
       <div
         className={
           'max-w-2xl flex flex-col justify-center bg-chalkboard-10 dark:bg-chalkboard-90 p-8 rounded' +
-          (isMouseDownInStream ? '' : ' pointer-events-auto')
+          (buttonDownInStream ? '' : ' pointer-events-auto')
         }
       >
         <h1 className="text-2xl font-bold">Camera</h1>

src/routes/Onboarding/Units.tsx

@@ -1,5 +1,5 @@
 import { faArrowRight, faXmark } from '@fortawesome/free-solid-svg-icons'
-import { BaseUnit, baseUnits } from '../../useStore'
+import { BaseUnit, baseUnits } from '../../machines/settingsMachine'
 import { ActionButton } from '../../components/ActionButton'
 import { SettingsSection } from '../Settings'
 import { Toggle } from '../../components/Toggle/Toggle'

src/routes/Settings.tsx

@@ -6,13 +6,22 @@ import {
 import { ActionButton } from '../components/ActionButton'
 import { AppHeader } from '../components/AppHeader'
 import { open } from '@tauri-apps/api/dialog'
-import { BaseUnit, baseUnits } from '../useStore'
+import {
+  BaseUnit,
+  DEFAULT_PROJECT_NAME,
+  baseUnits,
+} from '../machines/settingsMachine'
 import { Toggle } from '../components/Toggle/Toggle'
 import { useLocation, useNavigate, useRouteLoaderData } from 'react-router-dom'
 import { useHotkeys } from 'react-hotkeys-hook'
 import { IndexLoaderData, paths } from '../Router'
 import { Themes } from '../lib/theme'
 import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
+import {
+  CameraSystem,
+  cameraSystems,
+  cameraMouseDragGuards,
+} from 'lib/cameraControls'
 import { UnitSystem } from 'machines/settingsMachine'
 
 export const Settings = () => {
@@ -25,12 +34,13 @@ export const Settings = () => {
       send,
       state: {
         context: {
+          baseUnit,
+          cameraControls,
+          defaultDirectory,
           defaultProjectName,
           showDebugPanel,
-          defaultDirectory,
-          unitSystem,
-          baseUnit,
           theme,
+          unitSystem,
         },
       },
     },
@@ -82,6 +92,42 @@ export const Settings = () => {
           , and start a discussion if you don't see it! Your feedback will help
           us prioritize what to build next.
         </p>
+        <SettingsSection
+          title="Camera Controls"
+          description="How you want to control the camera in the 3D view"
+        >
+          <select
+            id="camera-controls"
+            className="block w-full px-3 py-1 border border-chalkboard-30 bg-transparent"
+            value={cameraControls}
+            onChange={(e) => {
+              send({
+                type: 'Set Camera Controls',
+                data: { cameraControls: e.target.value as CameraSystem },
+              })
+            }}
+          >
+            {cameraSystems.map((program) => (
+              <option key={program} value={program}>
+                {program}
+              </option>
+            ))}
+          </select>
+          <ul className="text-sm my-2 mx-4 leading-relaxed">
+            <li>
+              <strong>Pan:</strong>{' '}
+              {cameraMouseDragGuards[cameraControls].pan.description}
+            </li>
+            <li>
+              <strong>Zoom:</strong>{' '}
+              {cameraMouseDragGuards[cameraControls].zoom.description}
+            </li>
+            <li>
+              <strong>Rotate:</strong>{' '}
+              {cameraMouseDragGuards[cameraControls].rotate.description}
+            </li>
+          </ul>
+        </SettingsSection>
         {(window as any).__TAURI__ && (
           <>
             <SettingsSection
@@ -118,10 +164,14 @@ export const Settings = () => {
                 className="block w-full px-3 py-1 border border-chalkboard-30 bg-transparent"
                 defaultValue={defaultProjectName}
                 onBlur={(e) => {
+                  const newValue = e.target.value.trim() || DEFAULT_PROJECT_NAME
                   send({
                     type: 'Set Default Project Name',
-                    data: { defaultProjectName: e.target.value },
+                    data: {
+                      defaultProjectName: newValue,
+                    },
                   })
+                  e.target.value = newValue
                 }}
                 autoCapitalize="off"
                 autoComplete="off"

src/useStore.ts

@@ -19,6 +19,7 @@ import {
   EngineCommandManager,
 } from './lang/std/engineConnection'
 import { KCLError } from './lang/errors'
+import { defferExecution } from 'lib/utils'
 
 export type Selection = {
   type: 'default' | 'line-end' | 'line-mid'
@@ -42,9 +43,12 @@ export type TooTip =
   | 'yLineTo'
   | 'angledLineThatIntersects'
 
-export const toolTips: TooTip[] = [
-  'lineTo',
+export const toolTips = [
+  'sketch_line',
+  'move',
+  // original tooltips
   'line',
+  'lineTo',
   'angledLine',
   'angledLineOfXLength',
   'angledLineOfYLength',
@@ -55,7 +59,7 @@ export const toolTips: TooTip[] = [
   'xLineTo',
   'yLineTo',
   'angledLineThatIntersects',
-]
+] as any as TooTip[]
 
 export type GuiModes =
   | {
@@ -65,6 +69,7 @@ export type GuiModes =
       mode: 'sketch'
       sketchMode: TooTip
       isTooltip: true
+      waitingFirstClick: boolean
       rotation: Rotation
       position: Position
       id?: string
@@ -83,6 +88,7 @@ export type GuiModes =
     }
   | {
       mode: 'canEditSketch'
+      pathId: string
       pathToNode: PathToNode
       rotation: Rotation
       position: Position
@@ -94,15 +100,6 @@ export type GuiModes =
       position: Position
     }
 
-export const baseUnits = {
-  imperial: ['in', 'ft'],
-  metric: ['mm', 'cm', 'm'],
-} as const
-
-export type BaseUnit = 'in' | 'ft' | 'mm' | 'cm' | 'm'
-
-export const baseUnitsUnion = Object.values(baseUnits).flatMap((v) => v)
-
 export type PaneType =
   | 'code'
   | 'variables'
@@ -130,8 +127,8 @@ export interface StoreState {
   kclErrors: KCLError[]
   addKCLError: (err: KCLError) => void
   resetKCLErrors: () => void
-  ast: Program | null
-  setAst: (ast: Program | null) => void
+  ast: Program
+  setAst: (ast: Program) => void
   updateAst: (
     ast: Program,
     optionalParams?: {
@@ -141,7 +138,9 @@ export interface StoreState {
   ) => void
   updateAstAsync: (ast: Program, focusPath?: PathToNode) => void
   code: string
+  defferedCode: string
   setCode: (code: string) => void
+  defferedSetCode: (code: string) => void
   formatCode: () => void
   errorState: {
     isError: boolean
@@ -166,8 +165,8 @@ export interface StoreState {
   setIsStreamReady: (isStreamReady: boolean) => void
   isLSPServerReady: boolean
   setIsLSPServerReady: (isLSPServerReady: boolean) => void
-  isMouseDownInStream: boolean
-  setIsMouseDownInStream: (isMouseDownInStream: boolean) => void
+  buttonDownInStream: number | undefined
+  setButtonDownInStream: (buttonDownInStream: number | undefined) => void
   didDragInStream: boolean
   setDidDragInStream: (didDragInStream: boolean) => void
   fileId: string
@@ -177,6 +176,8 @@ export interface StoreState {
     streamWidth: number
     streamHeight: number
   }) => void
+  isExecuting: boolean
+  setIsExecuting: (isExecuting: boolean) => void
 
   showHomeMenu: boolean
   setHomeShowMenu: (showMenu: boolean) => void
@@ -195,193 +196,220 @@ let pendingAstUpdates: number[] = []
 
 export const useStore = create<StoreState>()(
   persist(
-    (set, get) => ({
-      editorView: null,
-      setEditorView: (editorView) => {
-        set({ editorView })
-      },
-      highlightRange: [0, 0],
-      setHighlightRange: (selection) => {
-        set({ highlightRange: selection })
-        const editorView = get().editorView
-        if (editorView) {
-          editorView.dispatch({ effects: addLineHighlight.of(selection) })
-        }
-      },
-      setCursor: (selections) => {
-        const { editorView } = get()
-        if (!editorView) return
-        const ranges: ReturnType<typeof EditorSelection.cursor>[] = []
-        const selectionRangeTypeMap: { [key: number]: Selection['type'] } = {}
-        set({ selectionRangeTypeMap })
-        selections.codeBasedSelections.forEach(({ range, type }) => {
-          if (range?.[1]) {
-            ranges.push(EditorSelection.cursor(range[1]))
-            selectionRangeTypeMap[range[1]] = type
+    (set, get) => {
+      const setDefferedCode = defferExecution(
+        (code: string) => set({ defferedCode: code }),
+        600
+      )
+      return {
+        editorView: null,
+        setEditorView: (editorView) => {
+          set({ editorView })
+        },
+        highlightRange: [0, 0],
+        setHighlightRange: (selection) => {
+          set({ highlightRange: selection })
+          const editorView = get().editorView
+          if (editorView) {
+            editorView.dispatch({ effects: addLineHighlight.of(selection) })
           }
-        })
-        setTimeout(() => {
-          editorView.dispatch({
-            selection: EditorSelection.create(
-              ranges,
-              selections.codeBasedSelections.length - 1
-            ),
+        },
+        setCursor: (selections) => {
+          const { editorView } = get()
+          if (!editorView) return
+          const ranges: ReturnType<typeof EditorSelection.cursor>[] = []
+          const selectionRangeTypeMap: { [key: number]: Selection['type'] } = {}
+          set({ selectionRangeTypeMap })
+          selections.codeBasedSelections.forEach(({ range, type }) => {
+            if (range?.[1]) {
+              ranges.push(EditorSelection.cursor(range[1]))
+              selectionRangeTypeMap[range[1]] = type
+            }
           })
-        })
-      },
-      setCursor2: (codeSelections) => {
-        const currestSelections = get().selectionRanges
-        const code = get().code
-        if (!codeSelections) {
-          get().setCursor({
-            otherSelections: currestSelections.otherSelections,
-            codeBasedSelections: [
-              { range: [0, code.length - 1], type: 'default' },
-            ],
-          })
-          return
-        }
-        const selections: Selections = {
-          ...currestSelections,
-          codeBasedSelections: get().isShiftDown
-            ? [...currestSelections.codeBasedSelections, codeSelections]
-            : [codeSelections],
-        }
-        get().setCursor(selections)
-      },
-      selectionRangeTypeMap: {},
-      selectionRanges: {
-        otherSelections: [],
-        codeBasedSelections: [],
-      },
-      setSelectionRanges: (selectionRanges) =>
-        set({ selectionRanges, selectionRangeTypeMap: {} }),
-      guiMode: { mode: 'default' },
-      lastGuiMode: { mode: 'default' },
-      setGuiMode: (guiMode) => {
-        set({ guiMode })
-      },
-      logs: [],
-      addLog: (log) => {
-        if (Array.isArray(log)) {
-          const cleanLog: any = log.map(({ __geoMeta, ...rest }) => rest)
-          set((state) => ({ logs: [...state.logs, cleanLog] }))
-        } else {
-          set((state) => ({ logs: [...state.logs, log] }))
-        }
-      },
-      resetLogs: () => {
-        set({ logs: [] })
-      },
-      kclErrors: [],
-      addKCLError: (e) => {
-        set((state) => ({ kclErrors: [...state.kclErrors, e] }))
-      },
-      resetKCLErrors: () => {
-        set({ kclErrors: [] })
-      },
-      ast: null,
-      setAst: (ast) => {
-        set({ ast })
-      },
-      updateAst: async (ast, { focusPath, callBack = () => {} } = {}) => {
-        const newCode = recast(ast)
-        const astWithUpdatedSource = parser_wasm(newCode)
-        callBack(astWithUpdatedSource)
-
-        set({ ast: astWithUpdatedSource, code: newCode })
-        if (focusPath) {
-          const { node } = getNodeFromPath<any>(astWithUpdatedSource, focusPath)
-          const { start, end } = node
-          if (!start || !end) return
           setTimeout(() => {
+            ranges.length &&
+              editorView.dispatch({
+                selection: EditorSelection.create(
+                  ranges,
+                  selections.codeBasedSelections.length - 1
+                ),
+              })
+          })
+        },
+        setCursor2: (codeSelections) => {
+          const currestSelections = get().selectionRanges
+          const code = get().code
+          if (!codeSelections) {
             get().setCursor({
+              otherSelections: currestSelections.otherSelections,
               codeBasedSelections: [
-                {
-                  type: 'default',
-                  range: [start, end],
-                },
+                { range: [0, code.length - 1], type: 'default' },
               ],
-              otherSelections: [],
             })
-          })
-        }
-      },
-      updateAstAsync: async (ast, focusPath) => {
-        // clear any pending updates
-        pendingAstUpdates.forEach((id) => clearTimeout(id))
-        pendingAstUpdates = []
-        // setup a new update
-        pendingAstUpdates.push(
-          setTimeout(() => {
-            get().updateAst(ast, { focusPath })
-          }, 100) as unknown as number
-        )
-      },
-      code: '',
-      setCode: (code) => {
-        set({ code })
-      },
-      formatCode: async () => {
-        const code = get().code
-        const ast = parser_wasm(code)
-        const newCode = recast(ast)
-        set({ code: newCode, ast })
-      },
-      errorState: {
-        isError: false,
-        error: '',
-      },
-      setError: (error = '') => {
-        set({ errorState: { isError: !!error, error } })
-      },
-      programMemory: { root: {}, pendingMemory: {} },
-      setProgramMemory: (programMemory) => set({ programMemory }),
-      isShiftDown: false,
-      setIsShiftDown: (isShiftDown) => set({ isShiftDown }),
-      artifactMap: {},
-      sourceRangeMap: {},
-      setArtifactNSourceRangeMaps: (maps) => set({ ...maps }),
-      setEngineCommandManager: (engineCommandManager) =>
-        set({ engineCommandManager }),
-      setMediaStream: (mediaStream) => set({ mediaStream }),
-      isStreamReady: false,
-      setIsStreamReady: (isStreamReady) => set({ isStreamReady }),
-      isLSPServerReady: false,
-      setIsLSPServerReady: (isLSPServerReady) => set({ isLSPServerReady }),
-      isMouseDownInStream: false,
-      setIsMouseDownInStream: (isMouseDownInStream) => {
-        set({ isMouseDownInStream })
-      },
-      didDragInStream: false,
-      setDidDragInStream: (didDragInStream) => {
-        set({ didDragInStream })
-      },
-      // For stream event handling
-      fileId: '',
-      setFileId: (fileId) => set({ fileId }),
-      streamDimensions: { streamWidth: 1280, streamHeight: 720 },
-      setStreamDimensions: (streamDimensions) => set({ streamDimensions }),
+            return
+          }
+          const selections: Selections = {
+            ...currestSelections,
+            codeBasedSelections: get().isShiftDown
+              ? [...currestSelections.codeBasedSelections, codeSelections]
+              : [codeSelections],
+          }
+          get().setCursor(selections)
+        },
+        selectionRangeTypeMap: {},
+        selectionRanges: {
+          otherSelections: [],
+          codeBasedSelections: [],
+        },
+        setSelectionRanges: (selectionRanges) =>
+          set({ selectionRanges, selectionRangeTypeMap: {} }),
+        guiMode: { mode: 'default' },
+        lastGuiMode: { mode: 'default' },
+        setGuiMode: (guiMode) => {
+          set({ guiMode })
+        },
+        logs: [],
+        addLog: (log) => {
+          if (Array.isArray(log)) {
+            const cleanLog: any = log.map(({ __geoMeta, ...rest }) => rest)
+            set((state) => ({ logs: [...state.logs, cleanLog] }))
+          } else {
+            set((state) => ({ logs: [...state.logs, log] }))
+          }
+        },
+        resetLogs: () => {
+          set({ logs: [] })
+        },
+        kclErrors: [],
+        addKCLError: (e) => {
+          set((state) => ({ kclErrors: [...state.kclErrors, e] }))
+        },
+        resetKCLErrors: () => {
+          set({ kclErrors: [] })
+        },
+        ast: {
+          start: 0,
+          end: 0,
+          body: [],
+          nonCodeMeta: {
+            noneCodeNodes: {},
+            start: null,
+          },
+        },
+        setAst: (ast) => {
+          set({ ast })
+        },
+        updateAst: async (ast, { focusPath, callBack = () => {} } = {}) => {
+          const newCode = recast(ast)
+          const astWithUpdatedSource = parser_wasm(newCode)
+          callBack(astWithUpdatedSource)
 
-      // tauri specific app settings
-      defaultDir: {
-        dir: '',
-      },
-      isBannerDismissed: false,
-      setBannerDismissed: (isBannerDismissed) => set({ isBannerDismissed }),
-      openPanes: ['code'],
-      setOpenPanes: (openPanes) => set({ openPanes }),
-      showHomeMenu: true,
-      setHomeShowMenu: (showHomeMenu) => set({ showHomeMenu }),
-      homeMenuItems: [],
-      setHomeMenuItems: (homeMenuItems) => set({ homeMenuItems }),
-    }),
+          set({
+            ast: astWithUpdatedSource,
+            code: newCode,
+            defferedCode: newCode,
+          })
+          if (focusPath) {
+            const { node } = getNodeFromPath<any>(
+              astWithUpdatedSource,
+              focusPath
+            )
+            const { start, end } = node
+            if (!start || !end) return
+            setTimeout(() => {
+              get().setCursor({
+                codeBasedSelections: [
+                  {
+                    type: 'default',
+                    range: [start, end],
+                  },
+                ],
+                otherSelections: [],
+              })
+            })
+          }
+        },
+        updateAstAsync: async (ast, focusPath) => {
+          // clear any pending updates
+          pendingAstUpdates.forEach((id) => clearTimeout(id))
+          pendingAstUpdates = []
+          // setup a new update
+          pendingAstUpdates.push(
+            setTimeout(() => {
+              get().updateAst(ast, { focusPath })
+            }, 100) as unknown as number
+          )
+        },
+        code: '',
+        defferedCode: '',
+        setCode: (code) => set({ code, defferedCode: code }),
+        defferedSetCode: (code) => {
+          set({ code })
+          setDefferedCode(code)
+        },
+        formatCode: async () => {
+          const code = get().code
+          const ast = parser_wasm(code)
+          const newCode = recast(ast)
+          set({ code: newCode, ast })
+        },
+        errorState: {
+          isError: false,
+          error: '',
+        },
+        setError: (error = '') => {
+          set({ errorState: { isError: !!error, error } })
+        },
+        programMemory: { root: {}, return: null },
+        setProgramMemory: (programMemory) => set({ programMemory }),
+        isShiftDown: false,
+        setIsShiftDown: (isShiftDown) => set({ isShiftDown }),
+        artifactMap: {},
+        sourceRangeMap: {},
+        setArtifactNSourceRangeMaps: (maps) => set({ ...maps }),
+        setEngineCommandManager: (engineCommandManager) =>
+          set({ engineCommandManager }),
+        setMediaStream: (mediaStream) => set({ mediaStream }),
+        isStreamReady: false,
+        setIsStreamReady: (isStreamReady) => set({ isStreamReady }),
+        isLSPServerReady: false,
+        setIsLSPServerReady: (isLSPServerReady) => set({ isLSPServerReady }),
+        buttonDownInStream: undefined,
+        setButtonDownInStream: (buttonDownInStream) => {
+          set({ buttonDownInStream })
+        },
+        didDragInStream: false,
+        setDidDragInStream: (didDragInStream) => {
+          set({ didDragInStream })
+        },
+        // For stream event handling
+        fileId: '',
+        setFileId: (fileId) => set({ fileId }),
+        streamDimensions: { streamWidth: 1280, streamHeight: 720 },
+        setStreamDimensions: (streamDimensions) => set({ streamDimensions }),
+        isExecuting: false,
+        setIsExecuting: (isExecuting) => set({ isExecuting }),
+
+        // tauri specific app settings
+        defaultDir: {
+          dir: '',
+        },
+        isBannerDismissed: false,
+        setBannerDismissed: (isBannerDismissed) => set({ isBannerDismissed }),
+        openPanes: ['code'],
+        setOpenPanes: (openPanes) => set({ openPanes }),
+        showHomeMenu: true,
+        setHomeShowMenu: (showHomeMenu) => set({ showHomeMenu }),
+        homeMenuItems: [],
+        setHomeMenuItems: (homeMenuItems) => set({ homeMenuItems }),
+      }
+    },
     {
       name: 'store',
       partialize: (state) =>
         Object.fromEntries(
           Object.entries(state).filter(([key]) =>
-            ['code', 'openPanes'].includes(key)
+            ['code', 'defferedCode', 'openPanes'].includes(key)
           )
         ),
     }

src/wasm-lib/Cargo.lock

@@ -229,6 +229,32 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bindgen"
+version = "0.64.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4243e6031260db77ede97ad86c27e501d646a27ab57b59a574f725d98ab1fb4"
+dependencies = [
+ "bitflags 1.3.2",
+ "cexpr",
+ "clang-sys",
+ "lazy_static",
+ "lazycell",
+ "peeking_take_while",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "bit_field"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc827186963e592360843fb5ba4b973e145841266c1357f7180c43526f2e5b61"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -290,6 +316,12 @@ version = "3.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1"
 
+[[package]]
+name = "bytemuck"
+version = "1.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "374d28ec25809ee0e23827c2ab573d729e293f281dfe393500e7ad618baa61c6"
+
 [[package]]
 name = "byteorder"
 version = "1.4.3"
@@ -314,6 +346,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -336,6 +377,17 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "clang-sys"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c688fc74432808e3eb684cae8830a86be1d66a2bd58e1f248ed0960a590baf6f"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
 [[package]]
 name = "clap"
 version = "3.2.25"
@@ -418,6 +470,12 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd7cc57abe963c6d3b9d8be5b06ba7c8957a930305ca90304f24ef040aa6f961"
 
+[[package]]
+name = "color_quant"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
+
 [[package]]
 name = "colorchoice"
 version = "1.0.0"
@@ -482,6 +540,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crc32fast"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.8"
@@ -492,6 +559,30 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce6fd6f855243022dcecf8702fef0c297d4338e226845fe067f6341ad9fa0cef"
+dependencies = [
+ "cfg-if",
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae211234986c545741a7dc064309f67ee1e5ad243d0e48335adc0484d960bcc7"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "crossbeam-utils",
+ "memoffset",
+ "scopeguard",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.8.16"
@@ -501,6 +592,12 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crunchy"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
+
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -521,7 +618,7 @@ dependencies = [
  "hashbrown 0.14.0",
  "lock_api",
  "once_cell",
- "parking_lot_core",
+ "parking_lot_core 0.9.8",
 ]
 
 [[package]]
@@ -667,12 +764,85 @@ dependencies = [
  "similar",
 ]
 
+[[package]]
+name = "exr"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1e481eb11a482815d3e9d618db8c42a93207134662873809335a92327440c18"
+dependencies = [
+ "bit_field",
+ "flume",
+ "half",
+ "lebe",
+ "miniz_oxide",
+ "rayon-core",
+ "smallvec",
+ "zune-inflate",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6999dc1837253364c2ebb0704ba97994bd874e8f195d665c50b7548f6ea92764"
 
+[[package]]
+name = "fdeflate"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d329bdeac514ee06249dabc27877490f17f5d371ec693360768b838e19f3ae10"
+dependencies = [
+ "simd-adler32",
+]
+
+[[package]]
+name = "ffmpeg-next"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8af03c47ad26832ab3aabc4cdbf210af3d3b878783edd5a7ba044ba33aab7a60"
+dependencies = [
+ "bitflags 1.3.2",
+ "ffmpeg-sys-next",
+ "libc",
+]
+
+[[package]]
+name = "ffmpeg-sys-next"
+version = "6.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf650f461ccf130f4eef4927affed703cc387b183bfc4a7dfee86a076c131127"
+dependencies = [
+ "bindgen",
+ "cc",
+ "libc",
+ "num_cpus",
+ "pkg-config",
+ "vcpkg",
+]
+
+[[package]]
+name = "flate2"
+version = "1.0.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c6c98ee8095e9d1dcbf2fcc6d95acccb90d1c81db1e44725c6a984b1dbdfb010"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
+[[package]]
+name = "flume"
+version = "0.10.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1657b4441c3403d9f7b3409e47575237dac27b1b5726df654a6ecbf92f0f7577"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+ "nanorand",
+ "pin-project",
+ "spin 0.9.8",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -819,12 +989,28 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "gif"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80792593675e051cf94a4b111980da2ba60d4a83e43e0048c5693baab3977045"
+dependencies = [
+ "color_quant",
+ "weezl",
+]
+
 [[package]]
 name = "gimli"
 version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
 
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
 [[package]]
 name = "gloo-utils"
 version = "0.2.0"
@@ -857,6 +1043,15 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "half"
+version = "2.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02b4af3693f1b705df946e9fe5631932443781d0aabb423b62fcd4d73f6d2fd0"
+dependencies = [
+ "crunchy",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -1010,6 +1205,37 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "image"
+version = "0.24.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f3dfdbdd72063086ff443e297b61695500514b1e41095b6fb9a5ab48a70a711"
+dependencies = [
+ "bytemuck",
+ "byteorder",
+ "color_quant",
+ "exr",
+ "gif",
+ "jpeg-decoder",
+ "num-rational",
+ "num-traits",
+ "png",
+ "qoi",
+ "tiff",
+]
+
+[[package]]
+name = "image-compare"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "419d59423b7202f6a2a95d3b9cf11a8cc9bf83a29cf7dda4d617a90e8c5ccfcf"
+dependencies = [
+ "image",
+ "itertools 0.10.5",
+ "rayon",
+ "thiserror",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.9.3"
@@ -1031,6 +1257,18 @@ dependencies = [
  "hashbrown 0.14.0",
 ]
 
+[[package]]
+name = "instant"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.8.0"
@@ -1072,6 +1310,15 @@ version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
+[[package]]
+name = "jpeg-decoder"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc0000e42512c92e31c2252315bda326620a4e034105e900c98ec492fa077b3e"
+dependencies = [
+ "rayon",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.64"
@@ -1094,7 +1341,7 @@ dependencies = [
 
 [[package]]
 name = "kcl-lib"
-version = "0.1.20"
+version = "0.1.26"
 dependencies = [
  "anyhow",
  "bson",
@@ -1126,23 +1373,36 @@ dependencies = [
 
 [[package]]
 name = "kittycad"
-version = "0.2.23"
+version = "0.2.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8b33e5df8f82b97e5f5af94ff1400ae37449d0f5f1bb79acedf17cf2193680f"
+checksum = "d9cf962b1e81a0b4eb923a727e761b40672cbacc7f5f0b75e13579d346352bc7"
 dependencies = [
  "anyhow",
+ "async-trait",
  "base64 0.21.2",
  "bytes",
  "chrono",
  "data-encoding",
+ "format_serde_error",
+ "futures",
+ "http",
  "itertools 0.10.5",
+ "log",
  "parse-display",
  "phonenumber",
+ "rand",
+ "reqwest",
+ "reqwest-conditional-middleware",
+ "reqwest-middleware 0.2.3",
+ "reqwest-retry",
+ "reqwest-tracing",
  "schemars",
  "serde",
  "serde_bytes",
  "serde_json",
+ "serde_urlencoded",
  "thiserror",
+ "tracing",
  "url",
  "uuid",
 ]
@@ -1153,12 +1413,34 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
+[[package]]
+name = "lazycell"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+
+[[package]]
+name = "lebe"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
+
 [[package]]
 name = "libc"
 version = "0.2.147"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
 
+[[package]]
+name = "libloading"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b67380fd3b2fbe7527a606e18729d21c6f3951633d0500574c4dc22d2d638b9f"
+dependencies = [
+ "cfg-if",
+ "winapi",
+]
+
 [[package]]
 name = "linked-hash-map"
 version = "0.5.6"
@@ -1212,12 +1494,27 @@ dependencies = [
  "url",
 ]
 
+[[package]]
+name = "matchit"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed1202b2a6f884ae56f04cff409ab315c5ce26b5e58d7412e484f01fd52f52ef"
+
 [[package]]
 name = "memchr"
 version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
+[[package]]
+name = "memoffset"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -1247,6 +1544,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
+ "simd-adler32",
 ]
 
 [[package]]
@@ -1260,6 +1558,15 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "nanorand"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a51313c5820b0b02bd422f4b44776fbf47961755c74ce64afc73bfad10226c3"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "newline-converter"
 version = "0.3.0"
@@ -1300,6 +1607,17 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-rational"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0638a1c9d0a3c0914158145bc76cff373a75a627e6ecbfb71cbe6f453a5a19b0"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.16"
@@ -1380,7 +1698,7 @@ dependencies = [
  "rand",
  "regex",
  "reqwest",
- "reqwest-middleware",
+ "reqwest-middleware 0.1.6",
  "rustfmt-wrapper",
  "schemars",
  "serde",
@@ -1415,12 +1733,42 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
+[[package]]
+name = "opentelemetry"
+version = "0.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6105e89802af13fdf48c49d7646d3b533a70e536d818aae7e78ba0433d01acb8"
+dependencies = [
+ "async-trait",
+ "crossbeam-channel",
+ "futures-channel",
+ "futures-executor",
+ "futures-util",
+ "js-sys",
+ "lazy_static",
+ "percent-encoding",
+ "pin-project",
+ "rand",
+ "thiserror",
+]
+
 [[package]]
 name = "os_str_bytes"
 version = "6.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d5d9eb14b174ee9aa2ef96dc2b94637a2d4b6e7cb873c7e171f0c20c6cf3eac"
 
+[[package]]
+name = "parking_lot"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
+dependencies = [
+ "instant",
+ "lock_api",
+ "parking_lot_core 0.8.6",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -1428,7 +1776,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
 dependencies = [
  "lock_api",
- "parking_lot_core",
+ "parking_lot_core 0.9.8",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60a2cfe6f0ad2bfc16aefa463b497d5c7a5ecd44a23efa72aa342d90177356dc"
+dependencies = [
+ "cfg-if",
+ "instant",
+ "libc",
+ "redox_syscall 0.2.16",
+ "smallvec",
+ "winapi",
 ]
 
 [[package]]
@@ -1470,6 +1832,12 @@ dependencies = [
  "syn 2.0.29",
 ]
 
+[[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
+
 [[package]]
 name = "percent-encoding"
 version = "2.3.0"
@@ -1538,6 +1906,25 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkg-config"
+version = "0.3.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
+
+[[package]]
+name = "png"
+version = "0.17.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd75bf2d8dd3702b9707cdbc56a5b9ef42cec752eb8b3bafc01234558442aa64"
+dependencies = [
+ "bitflags 1.3.2",
+ "crc32fast",
+ "fdeflate",
+ "flate2",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
@@ -1587,6 +1974,15 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "qoi"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f6d64c71eb498fe9eae14ce4ec935c555749aef511cca85b5568910d6e48001"
+dependencies = [
+ "bytemuck",
+]
+
 [[package]]
 name = "quick-xml"
 version = "0.28.2"
@@ -1641,6 +2037,28 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "rayon"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2df5196e37bcc87abebc0053e20787d73847bb33134a69841207dd0a47f03b"
+dependencies = [
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b8f95bd6966f5c87776639160a66bd8ab9895d9d4ab01ddba9fc60661aebe8d"
+dependencies = [
+ "crossbeam-channel",
+ "crossbeam-deque",
+ "crossbeam-utils",
+ "num_cpus",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.16"
@@ -1757,6 +2175,18 @@ dependencies = [
  "winreg",
 ]
 
+[[package]]
+name = "reqwest-conditional-middleware"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59e50a2e70970896c99d1b8f20ddc30a70b30d3ac6e619a03a8353b64a49b277"
+dependencies = [
+ "async-trait",
+ "reqwest",
+ "reqwest-middleware 0.2.3",
+ "task-local-extensions",
+]
+
 [[package]]
 name = "reqwest-middleware"
 version = "0.1.6"
@@ -1773,6 +2203,73 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "reqwest-middleware"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff44108c7925d082f2861e683a88618b68235ad9cdc60d64d9d1188efc951cdb"
+dependencies = [
+ "anyhow",
+ "async-trait",
+ "http",
+ "reqwest",
+ "serde",
+ "task-local-extensions",
+ "thiserror",
+]
+
+[[package]]
+name = "reqwest-retry"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c6a11c05102e5bec712c0619b8c7b7eda8b21a558a0bd981ceee15c38df8be4"
+dependencies = [
+ "anyhow",
+ "async-trait",
+ "chrono",
+ "futures",
+ "getrandom",
+ "http",
+ "hyper",
+ "parking_lot 0.11.2",
+ "reqwest",
+ "reqwest-middleware 0.2.3",
+ "retry-policies",
+ "task-local-extensions",
+ "tokio",
+ "tracing",
+ "wasm-timer",
+]
+
+[[package]]
+name = "reqwest-tracing"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14b1e66540e0cac90acadaf7109bf99c90d95abcc94b4c096bfa16a2d7aa7a71"
+dependencies = [
+ "anyhow",
+ "async-trait",
+ "getrandom",
+ "matchit",
+ "opentelemetry",
+ "reqwest",
+ "reqwest-middleware 0.2.3",
+ "task-local-extensions",
+ "tracing",
+ "tracing-opentelemetry",
+]
+
+[[package]]
+name = "retry-policies"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e09bbcb5003282bcb688f0bae741b278e9c7e8f378f561522c9806c58e075d9b"
+dependencies = [
+ "anyhow",
+ "chrono",
+ "rand",
+]
+
 [[package]]
 name = "ring"
 version = "0.16.20"
@@ -1782,7 +2279,7 @@ dependencies = [
  "cc",
  "libc",
  "once_cell",
- "spin",
+ "spin 0.5.2",
  "untrusted",
  "web-sys",
  "winapi",
@@ -1794,6 +2291,12 @@ version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
 [[package]]
 name = "rustfmt-wrapper"
 version = "0.2.0"
@@ -2102,6 +2605,21 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sharded-slab"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "900fba806f70c630b0a382d0d825e17a0f19fcd059a2ade1ff237bcddf446b31"
+dependencies = [
+ "lazy_static",
+]
+
+[[package]]
+name = "shlex"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7cee0529a6d40f580e7a5e6c495c8fbfe21b7b52795ed4bb5e62cdf92bc6380"
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.1"
@@ -2111,6 +2629,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "simd-adler32"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
+
 [[package]]
 name = "similar"
 version = "2.2.1"
@@ -2223,6 +2747,15 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+dependencies = [
+ "lock_api",
+]
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -2367,6 +2900,17 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "tiff"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d172b0f4d3fba17ba89811858b9d3d97f928aece846475bbda076ca46736211"
+dependencies = [
+ "flate2",
+ "jpeg-decoder",
+ "weezl",
+]
+
 [[package]]
 name = "time"
 version = "0.1.45"
@@ -2434,7 +2978,7 @@ dependencies = [
  "libc",
  "mio",
  "num_cpus",
- "parking_lot",
+ "parking_lot 0.12.1",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2 0.5.3",
@@ -2605,6 +3149,43 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0955b8137a1df6f1a2e9a37d8a6656291ff0297c1a97c24e0d8425fe2312f79a"
 dependencies = [
  "once_cell",
+ "valuable",
+]
+
+[[package]]
+name = "tracing-log"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ddad33d2d10b1ed7eb9d1f518a5674713876e97e5bb9b7345a7984fbb4f922"
+dependencies = [
+ "lazy_static",
+ "log",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-opentelemetry"
+version = "0.17.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbbe89715c1dbbb790059e2565353978564924ee85017b5fff365c872ff6721f"
+dependencies = [
+ "once_cell",
+ "opentelemetry",
+ "tracing",
+ "tracing-core",
+ "tracing-log",
+ "tracing-subscriber",
+]
+
+[[package]]
+name = "tracing-subscriber"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30a651bc37f915e81f087d86e62a18eec5f79550c7faff886f7090b4ea757c77"
+dependencies = [
+ "sharded-slab",
+ "thread_local",
+ "tracing-core",
 ]
 
 [[package]]
@@ -2668,6 +3249,19 @@ dependencies = [
  "utf-8",
 ]
 
+[[package]]
+name = "twenty-twenty"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c77f4c2039b998d194da9717843bb8c634609b5ccacac513be56985569f6e732"
+dependencies = [
+ "anyhow",
+ "ffmpeg-next",
+ "image",
+ "image-compare",
+ "uuid",
+]
+
 [[package]]
 name = "typenum"
 version = "1.16.0"
@@ -2769,6 +3363,18 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "valuable"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
+
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -2877,14 +3483,20 @@ checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
 name = "wasm-lib"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "bson",
  "futures",
  "gloo-utils",
+ "image",
  "js-sys",
  "kcl-lib",
  "kittycad",
+ "reqwest",
  "serde_json",
+ "tokio",
  "tower-lsp",
+ "twenty-twenty",
+ "uuid",
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "wasm-streams",
@@ -2904,6 +3516,21 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "wasm-timer"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be0ecb0db480561e9a7642b5d3e4187c128914e58aa84330b9493e3eb68c5e7f"
+dependencies = [
+ "futures",
+ "js-sys",
+ "parking_lot 0.11.2",
+ "pin-utils",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+]
+
 [[package]]
 name = "web-sys"
 version = "0.3.64"
@@ -2920,6 +3547,12 @@ version = "0.25.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14247bb57be4f377dfb94c72830b8ce8fc6beac03cf4bf7b9732eadd414123fc"
 
+[[package]]
+name = "weezl"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9193164d4de03a926d909d3bc7c30543cecb35400c02114792c2cae20d5e2dbb"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -3125,3 +3758,12 @@ name = "yansi"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
+
+[[package]]
+name = "zune-inflate"
+version = "0.2.54"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73ab332fe2f6680068f3582b16a24f90ad7096d5d39b974d1c0aff0125116f02"
+dependencies = [
+ "simd-adler32",
+]

src/wasm-lib/Cargo.toml

@@ -11,11 +11,20 @@ crate-type = ["cdylib"]
 bson = { version = "2.7.0", features = ["uuid-1", "chrono"] }
 gloo-utils = "0.2.0"
 kcl-lib = { path = "kcl" }
-kittycad = { version = "0.2.23", default-features = false, features = ["js"] }
+kittycad = { version = "0.2.25", default-features = false, features = ["js"] }
 serde_json = "1.0.93"
 wasm-bindgen = "0.2.87"
 wasm-bindgen-futures = "0.4.37"
 
+[dev-dependencies]
+anyhow = "1"
+image = "0.24.7"
+kittycad = "0.2.25"
+reqwest = { version = "0.11.20", default-features = false }
+tokio = { version = "1.32.0", features = ["rt-multi-thread", "macros", "time"] }
+twenty-twenty = "0.6.1"
+uuid = { version = "1.4.1", features = ["v4", "js", "serde"] }
+
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 futures = "0.3.28"
 js-sys = "0.3.64"

src/wasm-lib/kcl/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "kcl-lib"
 description = "KittyCAD Language"
-version = "0.1.20"
+version = "0.1.26"
 edition = "2021"
 license = "MIT"
 
@@ -11,9 +11,9 @@ license = "MIT"
 anyhow = { version = "1.0.75", features = ["backtrace"] }
 clap = { version = "4.4.2", features = ["cargo", "derive", "env", "unicode"] }
 dashmap = "5.5.3"
-derive-docs = { version = "0.1.1" }
+derive-docs = { version = "0.1.3" }
 #derive-docs = { path = "../derive-docs" }
-kittycad = { version = "0.2.23", default-features = false, features = ["js"] }
+kittycad = { version = "0.2.25", default-features = false, features = ["js"] }
 lazy_static = "1.4.0"
 parse-display = "0.8.2"
 regex = "1.7.1"

src/wasm-lib/kcl/fuzz/.gitignore

@@ -0,0 +1,4 @@
+target
+corpus
+artifacts
+coverage

src/wasm-lib/kcl/fuzz/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "kcl-lib-fuzz"
+version = "0.0.0"
+publish = false
+edition = "2021"
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies]
+libfuzzer-sys = "0.4"
+
+[dependencies.kcl-lib]
+path = ".."
+
+# Prevent this from interfering with workspaces
+[workspace]
+members = ["."]
+
+[profile.release]
+debug = 1
+
+[[bin]]
+name = "parser"
+path = "fuzz_targets/parser.rs"
+test = false
+doc = false

src/wasm-lib/kcl/fuzz/fuzz_targets/parser.rs

@@ -0,0 +1,14 @@
+#![no_main]
+#[macro_use]
+extern crate libfuzzer_sys;
+extern crate kcl_lib;
+
+fuzz_target!(|data: &[u8]| {
+    if let Ok(s) = std::str::from_utf8(data) {
+        let tokens = kcl_lib::tokeniser::lexer(s);
+        let parser = kcl_lib::parser::Parser::new(tokens);
+        if let Ok(_) = parser.ast() {
+            println!("OK");
+        }
+    }
+});

src/wasm-lib/kcl/src/engine/conn.rs

@@ -87,6 +87,9 @@ impl EngineConnection {
 
                         if let Some(msg) = ws_resp.resp {
                             match msg {
+                                OkWebSocketResponseData::MetricsRequest {} => {
+                                    // @paultag todo
+                                }
                                 OkWebSocketResponseData::IceServerInfo { ice_servers } => {
                                     println!("got ice server info: {:?}", ice_servers);
                                 }

src/wasm-lib/kcl/src/executor.rs

@@ -98,16 +98,14 @@ impl ProgramReturn {
 
 #[derive(Debug, Clone, Deserialize, Serialize, PartialEq, ts_rs::TS, JsonSchema)]
 #[ts(export)]
-#[serde(tag = "type", rename_all = "camelCase")]
+#[serde(tag = "type")]
 pub enum MemoryItem {
-    UserVal {
-        value: serde_json::Value,
-        #[serde(rename = "__meta")]
-        meta: Vec<Metadata>,
-    },
+    UserVal(UserVal),
     SketchGroup(SketchGroup),
     ExtrudeGroup(ExtrudeGroup),
+    #[ts(skip)]
     ExtrudeTransform(ExtrudeTransform),
+    #[ts(skip)]
     Function {
         #[serde(skip)]
         func: Option<MemoryFunction>,
@@ -119,7 +117,16 @@ pub enum MemoryItem {
 
 #[derive(Debug, Clone, Deserialize, Serialize, PartialEq, ts_rs::TS, JsonSchema)]
 #[ts(export)]
-#[serde(rename_all = "camelCase")]
+#[serde(tag = "type", rename_all = "camelCase")]
+pub struct UserVal {
+    pub value: serde_json::Value,
+    #[serde(rename = "__meta")]
+    pub meta: Vec<Metadata>,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, ts_rs::TS, JsonSchema)]
+#[ts(export)]
+#[serde(tag = "type", rename_all = "camelCase")]
 pub struct ExtrudeTransform {
     pub position: Position,
     pub rotation: Rotation,
@@ -138,7 +145,7 @@ pub type MemoryFunction = fn(
 impl From<MemoryItem> for Vec<SourceRange> {
     fn from(item: MemoryItem) -> Self {
         match item {
-            MemoryItem::UserVal { meta, .. } => meta.iter().map(|m| m.source_range).collect(),
+            MemoryItem::UserVal(u) => u.meta.iter().map(|m| m.source_range).collect(),
             MemoryItem::SketchGroup(s) => s.meta.iter().map(|m| m.source_range).collect(),
             MemoryItem::ExtrudeGroup(e) => e.meta.iter().map(|m| m.source_range).collect(),
             MemoryItem::ExtrudeTransform(e) => e.meta.iter().map(|m| m.source_range).collect(),
@@ -149,8 +156,8 @@ impl From<MemoryItem> for Vec<SourceRange> {
 
 impl MemoryItem {
     pub fn get_json_value(&self) -> Result<serde_json::Value, KclError> {
-        if let MemoryItem::UserVal { value, .. } = self {
-            Ok(value.clone())
+        if let MemoryItem::UserVal(user_val) = self {
+            Ok(user_val.value.clone())
         } else {
             Err(KclError::Semantic(KclErrorDetails {
                 message: format!("Not a user value: {:?}", self),
@@ -186,7 +193,7 @@ impl MemoryItem {
 /// A sketch group is a collection of paths.
 #[derive(Debug, Clone, Deserialize, Serialize, PartialEq, ts_rs::TS, JsonSchema)]
 #[ts(export)]
-#[serde(rename_all = "camelCase")]
+#[serde(tag = "type", rename_all = "camelCase")]
 pub struct SketchGroup {
     /// The id of the sketch group.
     pub id: uuid::Uuid,
@@ -238,7 +245,7 @@ impl SketchGroup {
 /// An extrude group is a collection of extrude surfaces.
 #[derive(Debug, Clone, Deserialize, Serialize, PartialEq, ts_rs::TS, JsonSchema)]
 #[ts(export)]
-#[serde(rename_all = "camelCase")]
+#[serde(tag = "type", rename_all = "camelCase")]
 pub struct ExtrudeGroup {
     /// The id of the extrude group.
     pub id: uuid::Uuid,
@@ -276,15 +283,15 @@ pub enum BodyType {
 
 #[derive(Debug, Deserialize, Serialize, PartialEq, Copy, Clone, ts_rs::TS, JsonSchema)]
 #[ts(export)]
-pub struct Position(pub [f64; 3]);
+pub struct Position(#[ts(type = "[number, number, number]")] pub [f64; 3]);
 
 #[derive(Debug, Deserialize, Serialize, PartialEq, Copy, Clone, ts_rs::TS, JsonSchema)]
 #[ts(export)]
-pub struct Rotation(pub [f64; 4]);
+pub struct Rotation(#[ts(type = "[number, number, number, number]")] pub [f64; 4]);
 
 #[derive(Debug, Default, Deserialize, Serialize, PartialEq, Copy, Clone, ts_rs::TS, JsonSchema, Hash, Eq)]
 #[ts(export)]
-pub struct SourceRange(pub [usize; 2]);
+pub struct SourceRange(#[ts(type = "[number, number]")] pub [usize; 2]);
 
 impl SourceRange {
     /// Create a new source range.
@@ -401,8 +408,10 @@ impl From<SourceRange> for Metadata {
 #[serde(rename_all = "camelCase")]
 pub struct BasePath {
     /// The from point.
+    #[ts(type = "[number, number]")]
     pub from: [f64; 2],
     /// The to point.
+    #[ts(type = "[number, number]")]
     pub to: [f64; 2],
     /// The name of the path.
     pub name: String,
@@ -595,7 +604,9 @@ pub fn execute(
 
                         memory.return_ = Some(ProgramReturn::Arguments(call_expr.arguments.clone()));
                     } else if let Some(func) = memory.clone().root.get(&fn_name) {
-                        func.call_fn(&args, memory, engine)?;
+                        let result = func.call_fn(&args, memory, engine)?;
+
+                        memory.return_ = result;
                     } else {
                         return Err(KclError::Semantic(KclErrorDetails {
                             message: format!("No such name {} defined", fn_name),
@@ -642,7 +653,7 @@ pub fn execute(
                                         for (index, param) in function_expression.params.iter().enumerate() {
                                             fn_memory.add(
                                                 &param.name,
-                                                args.clone().get(index).unwrap().clone(),
+                                                args.get(index).unwrap().clone(),
                                                 param.into(),
                                             )?;
                                         }
@@ -696,11 +707,39 @@ pub fn execute(
                     let result = bin_expr.get_result(memory, &mut pipe_info, engine)?;
                     memory.return_ = Some(ProgramReturn::Value(result));
                 }
+                Value::UnaryExpression(unary_expr) => {
+                    let result = unary_expr.get_result(memory, &mut pipe_info, engine)?;
+                    memory.return_ = Some(ProgramReturn::Value(result));
+                }
                 Value::Identifier(identifier) => {
                     let value = memory.get(&identifier.name, identifier.into())?.clone();
                     memory.return_ = Some(ProgramReturn::Value(value));
                 }
-                _ => (),
+                Value::Literal(literal) => {
+                    memory.return_ = Some(ProgramReturn::Value(literal.into()));
+                }
+                Value::ArrayExpression(array_expr) => {
+                    let result = array_expr.execute(memory, &mut pipe_info, engine)?;
+                    memory.return_ = Some(ProgramReturn::Value(result));
+                }
+                Value::ObjectExpression(obj_expr) => {
+                    let result = obj_expr.execute(memory, &mut pipe_info, engine)?;
+                    memory.return_ = Some(ProgramReturn::Value(result));
+                }
+                Value::CallExpression(call_expr) => {
+                    let result = call_expr.execute(memory, &mut pipe_info, engine)?;
+                    memory.return_ = Some(ProgramReturn::Value(result));
+                }
+                Value::MemberExpression(member_expr) => {
+                    let result = member_expr.get_result(memory)?;
+                    memory.return_ = Some(ProgramReturn::Value(result));
+                }
+                Value::PipeExpression(pipe_expr) => {
+                    let result = pipe_expr.get_result(memory, &mut pipe_info, engine)?;
+                    memory.return_ = Some(ProgramReturn::Value(result));
+                }
+                Value::PipeSubstitution(_) => {}
+                Value::FunctionExpression(_) => {}
             },
         }
     }
@@ -856,4 +895,116 @@ show(part001)"#;
 
         parse_execute(ast).await.unwrap();
     }
+
+    #[tokio::test(flavor = "multi_thread")]
+    async fn test_execute_with_function_literal_in_pipe() {
+        let ast = r#"const w = 20
+const l = 8
+const h = 10
+
+fn thing = () => {
+  return -8
+}
+
+const firstExtrude = startSketchAt([0,0])
+  |> line([0, l], %)
+  |> line([w, 0], %)
+  |> line([0, thing()], %)
+  |> close(%)
+  |> extrude(h, %)
+
+show(firstExtrude)"#;
+
+        parse_execute(ast).await.unwrap();
+    }
+
+    #[tokio::test(flavor = "multi_thread")]
+    async fn test_execute_with_function_unary_in_pipe() {
+        let ast = r#"const w = 20
+const l = 8
+const h = 10
+
+fn thing = (x) => {
+  return -x
+}
+
+const firstExtrude = startSketchAt([0,0])
+  |> line([0, l], %)
+  |> line([w, 0], %)
+  |> line([0, thing(8)], %)
+  |> close(%)
+  |> extrude(h, %)
+
+show(firstExtrude)"#;
+
+        parse_execute(ast).await.unwrap();
+    }
+
+    #[tokio::test(flavor = "multi_thread")]
+    async fn test_execute_with_function_array_in_pipe() {
+        let ast = r#"const w = 20
+const l = 8
+const h = 10
+
+fn thing = (x) => {
+  return [0, -x]
+}
+
+const firstExtrude = startSketchAt([0,0])
+  |> line([0, l], %)
+  |> line([w, 0], %)
+  |> line(thing(8), %)
+  |> close(%)
+  |> extrude(h, %)
+
+show(firstExtrude)"#;
+
+        parse_execute(ast).await.unwrap();
+    }
+
+    #[tokio::test(flavor = "multi_thread")]
+    async fn test_execute_with_function_call_in_pipe() {
+        let ast = r#"const w = 20
+const l = 8
+const h = 10
+
+fn other_thing = (y) => {
+  return -y
+}
+
+fn thing = (x) => {
+  return other_thing(x)
+}
+
+const firstExtrude = startSketchAt([0,0])
+  |> line([0, l], %)
+  |> line([w, 0], %)
+  |> line([0, thing(8)], %)
+  |> close(%)
+  |> extrude(h, %)
+
+show(firstExtrude)"#;
+
+        parse_execute(ast).await.unwrap();
+    }
+
+    #[tokio::test(flavor = "multi_thread")]
+    async fn test_execute_with_function_sketch() {
+        let ast = r#"const box = (h, l, w) => {
+ const myBox = startSketchAt([0,0])
+    |> line([0, l], %)
+    |> line([w, 0], %)
+    |> line([0, -l], %)
+    |> close(%)
+    |> extrude(h, %)
+
+  return myBox
+}
+
+const fnBox = box(3, 6, 10)
+
+show(fnBox)"#;
+
+        parse_execute(ast).await.unwrap();
+    }
 }

src/wasm-lib/kcl/src/math_parser.rs

@@ -228,8 +228,8 @@ impl ReversePolishNotation {
                     .collect::<Vec<Token>>(),
             );
             return rpn.parse();
-        } else if current_token.value == ")" {
-            if !self.operators.is_empty() && self.operators[self.operators.len() - 1].value != "(" {
+        } else if current_token.value == ")" && !self.operators.is_empty() {
+            if self.operators[self.operators.len() - 1].value != "(" {
                 // pop operators off the stack and push them to postFix until we find the matching '('
                 let rpn = ReversePolishNotation::new(
                     &self.parser.tokens,

src/wasm-lib/kcl/src/parser.rs

@@ -336,17 +336,26 @@ impl Parser {
             value: if start_end_string.starts_with("\n\n") && is_new_line_comment {
                 // Preserve if they want a whitespace line before the comment.
                 // But let's just allow one.
-                NoneCodeValue::NewLineBlock { value: full_string }
+                NoneCodeValue::NewLineBlockComment { value: full_string }
             } else if is_new_line_comment {
-                NoneCodeValue::Block { value: full_string }
+                NoneCodeValue::BlockComment { value: full_string }
             } else {
-                NoneCodeValue::Inline { value: full_string }
+                NoneCodeValue::InlineComment { value: full_string }
             },
         };
         Ok((Some(node), end_index - 1))
     }
 
     fn next_meaningful_token(&self, index: usize, offset: Option<usize>) -> Result<TokenReturnWithNonCode, KclError> {
+        // There is no next meaningful token.
+        if index >= self.tokens.len() - 1 {
+            return Ok(TokenReturnWithNonCode {
+                token: None,
+                index: self.tokens.len() - 1,
+                non_code_node: None,
+            });
+        }
+
         let new_index = index + offset.unwrap_or(1);
         let Ok(token) = self.get_token(new_index) else {
             return Ok(TokenReturnWithNonCode {
@@ -405,7 +414,7 @@ impl Parser {
         if found_another_opening_brace {
             return self.find_closing_brace(index + 1, brace_count + 1, search_opening_brace);
         }
-        if found_another_closing_brace {
+        if found_another_closing_brace && brace_count > 0 {
             return self.find_closing_brace(index + 1, brace_count - 1, search_opening_brace);
         }
         // non-brace token, increment and continue
@@ -610,6 +619,12 @@ impl Parser {
     fn make_member_expression(&self, index: usize) -> Result<MemberExpressionReturn, KclError> {
         let current_token = self.get_token(index)?;
         let mut keys_info = self.collect_object_keys(index, None)?;
+        if keys_info.is_empty() {
+            return Err(KclError::Syntax(KclErrorDetails {
+                source_ranges: vec![current_token.into()],
+                message: "expected to be started on a identifier or literal".to_string(),
+            }));
+        }
         let last_key = keys_info[keys_info.len() - 1].clone();
         let first_key = keys_info.remove(0);
         let root = self.make_identifier(index)?;
@@ -679,7 +694,11 @@ impl Parser {
                 return Ok(index);
             }
             let next_right = self.next_meaningful_token(maybe_operator.index, None)?;
-            self.find_end_of_binary_expression(next_right.index)
+            if next_right.index != index {
+                self.find_end_of_binary_expression(next_right.index)
+            } else {
+                Ok(index)
+            }
         } else {
             Ok(index)
         }
@@ -847,6 +866,8 @@ impl Parser {
     fn make_array_expression(&self, index: usize) -> Result<ArrayReturn, KclError> {
         let opening_brace_token = self.get_token(index)?;
         let first_element_token = self.next_meaningful_token(index, None)?;
+        // Make sure there is a closing brace.
+        let _closing_brace = self.find_closing_brace(index, 0, "")?;
         let array_elements = self.make_array_elements(first_element_token.index, Vec::new())?;
         Ok(ArrayReturn {
             expression: ArrayExpression {
@@ -1018,7 +1039,7 @@ impl Parser {
                     } else {
                         return Err(KclError::Unimplemented(KclErrorDetails {
                             source_ranges: vec![argument_token_token.clone().into()],
-                            message: format!("Unexpected token {} ", argument_token_token.value),
+                            message: format!("Unexpected token {}", argument_token_token.value),
                         }));
                     };
                 }
@@ -1043,18 +1064,18 @@ impl Parser {
 
                 Err(KclError::Unimplemented(KclErrorDetails {
                     source_ranges: vec![argument_token_token.clone().into()],
-                    message: format!("Unexpected token {} ", argument_token_token.value),
+                    message: format!("Unexpected token {}", argument_token_token.value),
                 }))
             } else {
                 Err(KclError::Unimplemented(KclErrorDetails {
                     source_ranges: vec![brace_or_comma_token.into()],
-                    message: format!("Unexpected token {} ", brace_or_comma_token.value),
+                    message: format!("Unexpected token {}", brace_or_comma_token.value),
                 }))
             }
         } else {
             Err(KclError::Unimplemented(KclErrorDetails {
                 source_ranges: vec![brace_or_comma_token.into()],
-                message: format!("Unexpected token {} ", brace_or_comma_token.value),
+                message: format!("Unexpected token {}", brace_or_comma_token.value),
             }))
         }
     }
@@ -1063,6 +1084,8 @@ impl Parser {
         let current_token = self.get_token(index)?;
         let brace_token = self.next_meaningful_token(index, None)?;
         let callee = self.make_identifier(index)?;
+        // Make sure there is a closing brace.
+        let _closing_brace_token = self.find_closing_brace(brace_token.index, 0, "")?;
         let args = self.make_arguments(brace_token.index, vec![])?;
         let closing_brace_token = self.get_token(args.last_index)?;
         let function = if let Some(stdlib_fn) = self.stdlib.get(&callee.name) {
@@ -1105,42 +1128,42 @@ impl Parser {
     ) -> Result<VariableDeclaratorsReturn, KclError> {
         let current_token = self.get_token(index)?;
         let assignment = self.next_meaningful_token(index, None)?;
-        if let Some(assignment_token) = assignment.token {
-            let contents_start_token = self.next_meaningful_token(assignment.index, None)?;
-            let pipe_start_index = if assignment_token.token_type == TokenType::Operator {
-                contents_start_token.index
-            } else {
-                assignment.index
-            };
-            let next_pipe_operator = self.has_pipe_operator(pipe_start_index, None)?;
-            let init: Value;
-            let last_index = if next_pipe_operator.token.is_some() {
-                let pipe_expression_result = self.make_pipe_expression(assignment.index)?;
-                init = Value::PipeExpression(Box::new(pipe_expression_result.expression));
-                pipe_expression_result.last_index
-            } else {
-                let value_result = self.make_value(contents_start_token.index)?;
-                init = value_result.value;
-                value_result.last_index
-            };
-            let current_declarator = VariableDeclarator {
-                start: current_token.start,
-                end: self.get_token(last_index)?.end,
-                id: self.make_identifier(index)?,
-                init,
-            };
-            let mut declarations = previous_declarators;
-            declarations.push(current_declarator);
-            Ok(VariableDeclaratorsReturn {
-                declarations,
-                last_index,
-            })
-        } else {
-            Err(KclError::Unimplemented(KclErrorDetails {
+        let Some(assignment_token) = assignment.token else {
+            return Err(KclError::Unimplemented(KclErrorDetails {
                 source_ranges: vec![current_token.clone().into()],
-                message: format!("Unexpected token {} ", current_token.value),
-            }))
-        }
+                message: format!("Unexpected token {}", current_token.value),
+            }));
+        };
+
+        let contents_start_token = self.next_meaningful_token(assignment.index, None)?;
+        let pipe_start_index = if assignment_token.token_type == TokenType::Operator {
+            contents_start_token.index
+        } else {
+            assignment.index
+        };
+        let next_pipe_operator = self.has_pipe_operator(pipe_start_index, None)?;
+        let init: Value;
+        let last_index = if next_pipe_operator.token.is_some() {
+            let pipe_expression_result = self.make_pipe_expression(assignment.index)?;
+            init = Value::PipeExpression(Box::new(pipe_expression_result.expression));
+            pipe_expression_result.last_index
+        } else {
+            let value_result = self.make_value(contents_start_token.index)?;
+            init = value_result.value;
+            value_result.last_index
+        };
+        let current_declarator = VariableDeclarator {
+            start: current_token.start,
+            end: self.get_token(last_index)?.end,
+            id: self.make_identifier(index)?,
+            init,
+        };
+        let mut declarations = previous_declarators;
+        declarations.push(current_declarator);
+        Ok(VariableDeclaratorsReturn {
+            declarations,
+            last_index,
+        })
     }
 
     fn make_variable_declaration(&self, index: usize) -> Result<VariableDeclarationResult, KclError> {
@@ -1184,7 +1207,7 @@ impl Parser {
         } else {
             Err(KclError::Unimplemented(KclErrorDetails {
                 source_ranges: vec![brace_or_comma_token.into()],
-                message: format!("Unexpected token {} ", brace_or_comma_token.value),
+                message: format!("Unexpected token {}", brace_or_comma_token.value),
             }))
         }
     }
@@ -1192,6 +1215,12 @@ impl Parser {
     fn make_unary_expression(&self, index: usize) -> Result<UnaryExpressionResult, KclError> {
         let current_token = self.get_token(index)?;
         let next_token = self.next_meaningful_token(index, None)?;
+        if next_token.token.is_none() {
+            return Err(KclError::Syntax(KclErrorDetails {
+                source_ranges: vec![current_token.into()],
+                message: "expected another token".to_string(),
+            }));
+        }
         let argument = self.make_value(next_token.index)?;
         let argument_token = self.get_token(argument.last_index)?;
         Ok(UnaryExpressionResult {
@@ -1232,7 +1261,6 @@ impl Parser {
                 return Ok(ExpressionStatementResult {
                     expression: ExpressionStatement {
                         start: current_token.start,
-                        // end: call_expression.last_index,
                         end,
                         expression: Value::CallExpression(Box::new(call_expression.expression)),
                     },
@@ -1314,6 +1342,8 @@ impl Parser {
 
     fn make_object_expression(&self, index: usize) -> Result<ObjectExpressionResult, KclError> {
         let opening_brace_token = self.get_token(index)?;
+        // Make sure there is a closing brace.
+        let _closing_brace = self.find_closing_brace(index, 0, "")?;
         let first_property_token = self.next_meaningful_token(index, None)?;
         let object_properties = self.make_object_properties(first_property_token.index, vec![])?;
         Ok(ObjectExpressionResult {
@@ -1665,7 +1695,7 @@ const key = 'c'"#,
             Some(NoneCodeNode {
                 start: 38,
                 end: 60,
-                value: NoneCodeValue::Block {
+                value: NoneCodeValue::BlockComment {
                     value: "this is a comment".to_string(),
                 },
             }),
@@ -1687,7 +1717,7 @@ const key = 'c'"#,
             Some(NoneCodeNode {
                 start: 106,
                 end: 166,
-                value: NoneCodeValue::Block {
+                value: NoneCodeValue::BlockComment {
                     value: "this is\n      a comment\n      spanning a few lines".to_string(),
                 },
             }),
@@ -2716,4 +2746,139 @@ show(mySk1)"#;
         assert!(result.is_err());
         assert!(result.err().unwrap().to_string().contains("file is empty"));
     }
+
+    #[test]
+    fn test_parse_half_pipe_small() {
+        let tokens = crate::tokeniser::lexer(
+            "const secondExtrude = startSketchAt([0,0])
+  |",
+        );
+        let parser = Parser::new(tokens);
+        let result = parser.ast();
+        assert!(result.is_err());
+        assert!(result.err().unwrap().to_string().contains("Unexpected token"));
+    }
+
+    #[test]
+    fn test_parse_half_pipe() {
+        let tokens = crate::tokeniser::lexer(
+            "const height = 10
+
+const firstExtrude = startSketchAt([0,0])
+  |> line([0, 8], %)
+  |> line([20, 0], %)
+  |> line([0, -8], %)
+  |> close(%)
+  |> extrude(2, %)
+
+show(firstExtrude)
+
+const secondExtrude = startSketchAt([0,0])
+  |",
+        );
+        let parser = Parser::new(tokens);
+        let result = parser.ast();
+        assert!(result.is_err());
+        assert!(result.err().unwrap().to_string().contains("Unexpected token"));
+    }
+
+    #[test]
+    fn test_parse_greater_bang() {
+        let tokens = crate::tokeniser::lexer(">!");
+        let parser = Parser::new(tokens);
+        let result = parser.ast();
+        assert!(result.is_ok());
+    }
+
+    #[test]
+    fn test_parse_z_percent_parens() {
+        let tokens = crate::tokeniser::lexer("z%)");
+        let parser = Parser::new(tokens);
+        let result = parser.ast();
+        assert!(result.is_err());
+        assert!(result.err().unwrap().to_string().contains("Unexpected token"));
+    }
+
+    #[test]
+    fn test_parse_parens_unicode() {
+        let tokens = crate::tokeniser::lexer("(ޜ");
+        let parser = Parser::new(tokens);
+        let result = parser.ast();
+        assert!(result.is_ok());
+    }
+
+    #[test]
+    fn test_parse_nested_open_brackets() {
+        let tokens = crate::tokeniser::lexer(
+            r#"
+z(-[["#,
+        );
+        let parser = Parser::new(tokens);
+        let result = parser.ast();
+        assert!(result.is_err());
+        assert!(result.err().unwrap().to_string().contains("unexpected end"));
+    }
+
+    #[test]
+    fn test_parse_weird_new_line_function() {
+        let tokens = crate::tokeniser::lexer(
+            r#"z
+ (--#"#,
+        );
+        let parser = Parser::new(tokens);
+        let result = parser.ast();
+        assert!(result.is_err());
+        assert!(result.err().unwrap().to_string().contains("unexpected end"));
+    }
+
+    #[test]
+    fn test_parse_weird_lots_of_fancy_brackets() {
+        let tokens = crate::tokeniser::lexer(r#"zz({{{{{{{{)iegAng{{{{{{{##"#);
+        let parser = Parser::new(tokens);
+        let result = parser.ast();
+        assert!(result.is_err());
+        assert!(result.err().unwrap().to_string().contains("unexpected end"));
+    }
+
+    #[test]
+    fn test_parse_weird_close_before_open() {
+        let tokens = crate::tokeniser::lexer(
+            r#"fn)n
+e
+["#,
+        );
+        let parser = Parser::new(tokens);
+        let result = parser.ast();
+        assert!(result.is_err());
+        assert!(result
+            .err()
+            .unwrap()
+            .to_string()
+            .contains("expected to be started on a identifier or literal"));
+    }
+
+    #[test]
+    fn test_parse_weird_close_before_nada() {
+        let tokens = crate::tokeniser::lexer(r#"fn)n-"#);
+        let parser = Parser::new(tokens);
+        let result = parser.ast();
+        assert!(result.is_err());
+        assert!(result.err().unwrap().to_string().contains("expected another token"));
+    }
+
+    #[test]
+    fn test_parse_weird_lots_of_slashes() {
+        let tokens = crate::tokeniser::lexer(
+            r#"J///////////o//+///////////P++++*++++++P///////˟
+++4"#,
+        );
+        let parser = Parser::new(tokens);
+        let result = parser.ast();
+        assert!(result.is_err());
+        assert!(result
+            .err()
+            .unwrap()
+            .to_string()
+            .contains("unexpected end of expression"));
+    }
 }

src/wasm-lib/kcl/src/server/mod.rs

@@ -233,6 +233,7 @@ impl LanguageServer for Backend {
                 document_symbol_provider: Some(OneOf::Left(true)),
                 hover_provider: Some(HoverProviderCapability::Simple(true)),
                 inlay_hint_provider: Some(OneOf::Left(true)),
+                rename_provider: Some(OneOf::Left(true)),
                 semantic_tokens_provider: Some(SemanticTokensServerCapabilities::SemanticTokensRegistrationOptions(
                     SemanticTokensRegistrationOptions {
                         text_document_registration_options: {
@@ -552,19 +553,14 @@ impl LanguageServer for Backend {
             return Ok(None);
         };
         // Now recast it.
-        // Make spaces for the tab size.
-        /*let mut tab_size = String::new();
-        for _ in 0..params.options.tab_size {
-            tab_size.push(' ');
-        }*/
-        // TODO: use the tab size.
-        let mut recast = ast.recast("", false).trim().to_string();
-        if let Some(insert_final_newline) = params.options.insert_final_newline {
-            if insert_final_newline {
-                recast.push('\n');
-            }
-        }
-
+        let recast = ast.recast(
+            &crate::abstract_syntax_tree_types::FormatOptions {
+                tab_size: params.options.tab_size as usize,
+                insert_final_newline: params.options.insert_final_newline.unwrap_or(false),
+                use_tabs: !params.options.insert_spaces,
+            },
+            0,
+        );
         let source_range = SourceRange([0, current_code.len() - 1]);
         let range = source_range.to_lsp_range(&current_code);
         Ok(Some(vec![TextEdit {
@@ -572,6 +568,43 @@ impl LanguageServer for Backend {
             range,
         }]))
     }
+
+    async fn rename(&self, params: RenameParams) -> RpcResult<Option<WorkspaceEdit>> {
+        let filename = params.text_document_position.text_document.uri.to_string();
+
+        let Some(current_code) = self.current_code_map.get(&filename) else {
+            return Ok(None);
+        };
+
+        // Parse the ast.
+        // I don't know if we need to do this again since it should be updated in the context.
+        // But I figure better safe than sorry since this will write back out to the file.
+        let tokens = crate::tokeniser::lexer(&current_code);
+        let parser = crate::parser::Parser::new(tokens);
+        let Ok(mut ast) = parser.ast() else {
+            return Ok(None);
+        };
+
+        // Let's convert the position to a character index.
+        let pos = position_to_char_index(params.text_document_position.position, &current_code);
+        // Now let's perform the rename on the ast.
+        ast.rename_symbol(&params.new_name, pos);
+        // Now recast it.
+        let recast = ast.recast(&Default::default(), 0);
+        let source_range = SourceRange([0, current_code.len() - 1]);
+        let range = source_range.to_lsp_range(&current_code);
+        Ok(Some(WorkspaceEdit {
+            changes: Some(HashMap::from([(
+                params.text_document_position.text_document.uri,
+                vec![TextEdit {
+                    new_text: recast,
+                    range,
+                }],
+            )])),
+            document_changes: None,
+            change_annotations: None,
+        }))
+    }
 }
 
 /// Get completions from our stdlib.

src/wasm-lib/kcl/src/std/mod.rs

@@ -103,12 +103,12 @@ impl<'a> Args<'a> {
     }
 
     fn make_user_val_from_json(&self, j: serde_json::Value) -> Result<MemoryItem, KclError> {
-        Ok(MemoryItem::UserVal {
+        Ok(MemoryItem::UserVal(crate::executor::UserVal {
             value: j,
             meta: vec![Metadata {
                 source_range: self.source_range,
             }],
-        })
+        }))
     }
 
     fn make_user_val_from_f64(&self, f: f64) -> Result<MemoryItem, KclError> {

src/wasm-lib/kcl/src/std/sketch.rs

@@ -382,6 +382,20 @@ fn inner_angled_line(
         },
     };
 
+    args.send_modeling_cmd(
+        id,
+        ModelingCmd::ExtendPath {
+            path: sketch_group.id,
+            segment: kittycad::types::PathSegment::Line {
+                end: Point3D {
+                    x: to[0],
+                    y: to[1],
+                    z: 0.0,
+                },
+            },
+        },
+    )?;
+
     let mut new_sketch_group = sketch_group.clone();
     new_sketch_group.value.push(current_path);
     Ok(new_sketch_group)

src/wasm-lib/kcl/src/tokeniser.rs

@@ -206,8 +206,8 @@ fn is_block_comment(character: &str) -> bool {
     BLOCKCOMMENT.is_match(character)
 }
 
-fn match_first(str: &str, regex: &Regex) -> Option<String> {
-    regex.find(str).map(|the_match| the_match.as_str().to_string())
+fn match_first(s: &str, regex: &Regex) -> Option<String> {
+    regex.find(s).map(|the_match| the_match.as_str().to_string())
 }
 
 fn make_token(token_type: TokenType, value: &str, start: usize) -> Token {
@@ -219,8 +219,8 @@ fn make_token(token_type: TokenType, value: &str, start: usize) -> Token {
     }
 }
 
-fn return_token_at_index(str: &str, start_index: usize) -> Option<Token> {
-    let str_from_index = &str[start_index..];
+fn return_token_at_index(s: &str, start_index: usize) -> Option<Token> {
+    let str_from_index = &s.chars().skip(start_index).collect::<String>();
     if is_string(str_from_index) {
         return Some(make_token(
             TokenType::String,
@@ -348,21 +348,22 @@ fn return_token_at_index(str: &str, start_index: usize) -> Option<Token> {
     None
 }
 
-pub fn lexer(str: &str) -> Vec<Token> {
-    fn recursively_tokenise(str: &str, current_index: usize, previous_tokens: Vec<Token>) -> Vec<Token> {
-        if current_index >= str.len() {
-            return previous_tokens;
-        }
-        let token = return_token_at_index(str, current_index);
-        let Some(token) = token else {
-            return recursively_tokenise(str, current_index + 1, previous_tokens);
-        };
-        let mut new_tokens = previous_tokens;
-        let token_length = token.value.len();
-        new_tokens.push(token);
-        recursively_tokenise(str, current_index + token_length, new_tokens)
+fn recursively_tokenise(s: &str, current_index: usize, previous_tokens: Vec<Token>) -> Vec<Token> {
+    if current_index >= s.len() {
+        return previous_tokens;
     }
-    recursively_tokenise(str, 0, Vec::new())
+    let token = return_token_at_index(s, current_index);
+    let Some(token) = token else {
+        return recursively_tokenise(s, current_index + 1, previous_tokens);
+    };
+    let mut new_tokens = previous_tokens;
+    let token_length = token.value.len();
+    new_tokens.push(token);
+    recursively_tokenise(s, current_index + token_length, new_tokens)
+}
+
+pub fn lexer(s: &str) -> Vec<Token> {
+    recursively_tokenise(s, 0, Vec::new())
 }
 
 #[cfg(test)]

src/wasm-lib/src/lib.rs

@@ -76,7 +76,8 @@ pub fn recast_wasm(json_str: &str) -> Result<JsValue, JsError> {
     let program: kcl_lib::abstract_syntax_tree_types::Program =
         serde_json::from_str(json_str).map_err(JsError::from)?;
 
-    let result = program.recast("", false);
+    // Use the default options until we integrate into the UI the ability to change them.
+    let result = program.recast(&Default::default(), 0);
     Ok(JsValue::from_serde(&result)?)
 }
 

src/wasm-lib/tests/executor/main.rs

@@ -0,0 +1,98 @@
+use anyhow::Result;
+
+/// Executes a kcl program and takes a snapshot of the result.
+/// This returns the bytes of the snapshot.
+async fn execute_and_snapshot(code: &str) -> Result<image::DynamicImage> {
+    let user_agent = concat!(env!("CARGO_PKG_NAME"), ".rs/", env!("CARGO_PKG_VERSION"),);
+    let http_client = reqwest::Client::builder()
+        .user_agent(user_agent)
+        // For file conversions we need this to be long.
+        .timeout(std::time::Duration::from_secs(600))
+        .connect_timeout(std::time::Duration::from_secs(60));
+    let ws_client = reqwest::Client::builder()
+        .user_agent(user_agent)
+        // For file conversions we need this to be long.
+        .timeout(std::time::Duration::from_secs(600))
+        .connect_timeout(std::time::Duration::from_secs(60))
+        .tcp_keepalive(std::time::Duration::from_secs(600))
+        .http1_only();
+
+    let token = std::env::var("KITTYCAD_API_TOKEN").expect("KITTYCAD_API_TOKEN not set");
+
+    // Create the client.
+    let client = kittycad::Client::new_from_reqwest(token, http_client, ws_client);
+
+    let ws = client
+        .modeling()
+        .commands_ws(None, None, None, None, Some(false))
+        .await?;
+
+    // Create a temporary file to write the output to.
+    let output_file = std::env::temp_dir().join(format!("kcl_output_{}.png", uuid::Uuid::new_v4()));
+
+    let tokens = kcl_lib::tokeniser::lexer(code);
+    let parser = kcl_lib::parser::Parser::new(tokens);
+    let program = parser.ast()?;
+    let mut mem: kcl_lib::executor::ProgramMemory = Default::default();
+    let mut engine = kcl_lib::engine::EngineConnection::new(
+        ws,
+        std::env::temp_dir().display().to_string().as_str(),
+        output_file.display().to_string().as_str(),
+    )
+    .await?;
+    let _ = kcl_lib::executor::execute(program, &mut mem, kcl_lib::executor::BodyType::Root, &mut engine)?;
+
+    // Send a snapshot request to the engine.
+    engine.send_modeling_cmd(
+        uuid::Uuid::new_v4(),
+        kcl_lib::executor::SourceRange::default(),
+        kittycad::types::ModelingCmd::TakeSnapshot {
+            format: kittycad::types::ImageFormat::Png,
+        },
+    )?;
+
+    // Wait for the snapshot to be taken.
+    engine.wait_for_snapshot().await;
+
+    // Read the output file.
+    let actual = image::io::Reader::open(output_file).unwrap().decode().unwrap();
+    Ok(actual)
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn test_execute_with_function_sketch() {
+    let code = r#"const box = (h, l, w) => {
+ const myBox = startSketchAt([0,0])
+    |> line([0, l], %)
+    |> line([w, 0], %)
+    |> line([0, -l], %)
+    |> close(%)
+    |> extrude(h, %)
+
+  return myBox
+}
+
+const fnBox = box(3, 6, 10)
+
+show(fnBox)"#;
+
+    let result = execute_and_snapshot(code).await.unwrap();
+    twenty_twenty::assert_image("tests/executor/outputs/function_sketch.png", &result, 1.0);
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn test_execute_with_angled_line() {
+    let code = r#"const part001 = startSketchAt([4.83, 12.56])
+  |> line([15.1, 2.48], %)
+  |> line({ to: [3.15, -9.85], tag: 'seg01' }, %)
+  |> line([-15.17, -4.1], %)
+  |> angledLine([segAng('seg01', %), 12.35], %)
+  |> line([-13.02, 10.03], %)
+  |> close(%)
+  |> extrude(4, %)
+
+show(part001)"#;
+
+    let result = execute_and_snapshot(code).await.unwrap();
+    twenty_twenty::assert_image("tests/executor/outputs/angled_line.png", &result, 1.0);
+}

yarn.lock

@@ -1530,10 +1530,10 @@
   resolved "https://registry.yarnpkg.com/@juggle/resize-observer/-/resize-observer-3.4.0.tgz#08d6c5e20cf7e4cc02fd181c4b0c225cd31dbb60"
   integrity sha512-dfLbk+PwWvFzSxwk3n5ySL0hfBog779o8h68wK/7/APo/7cgyWp5jcXockbxdk5kFRkbeXWm4Fbi9FrdN381sA==
 
-"@kittycad/lib@^0.0.35":
-  version "0.0.35"
-  resolved "https://registry.yarnpkg.com/@kittycad/lib/-/lib-0.0.35.tgz#bde8868048f9fd53f8309e7308aeba622898b935"
-  integrity sha512-qM8AyP2QUlDfPWNxb1Fs/Pq9AebGVDN1OHjByxbGomKCy0jFdN2TsyDdhQH/CAZGfBCgPEfr5bq6rkUBGSXcNw==
+"@kittycad/lib@^0.0.37":
+  version "0.0.37"
+  resolved "https://registry.yarnpkg.com/@kittycad/lib/-/lib-0.0.37.tgz#ec4f6c4fb5d06402a19339f3374036b6582d2265"
+  integrity sha512-P8p9FeLV79/0Lfd0RioBta1drzhmpROnU4YV38+zsAA4LhibQCTjeekRkxVvHztGumPxz9pPsAeeLJyuz2RWKQ==
   dependencies:
     node-fetch "3.3.2"
     openapi-types "^12.0.0"