Cut release v0.19.1 (#2240)

Co-authored-by: Kurt Hutten <k.hutten@protonmail.ch>

.github/workflows/build-and-store-wasm.yml

@@ -0,0 +1,35 @@
+name: Build and Store WASM
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-upload:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'yarn'
+      - name: Install dependencies
+        run: yarn
+      - name: Install Playwright Browsers
+        run: yarn playwright install --with-deps
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+      - name: Cache wasm
+        uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: './src/wasm-lib'
+      - name: build wasm
+        run: yarn build:wasm
+
+
+      # Upload the WASM bundle as an artifact
+      - uses: actions/upload-artifact@v2
+        with:
+          name: wasm-bundle
+          path: src/wasm-lib/pkg

.github/workflows/cargo-clippy.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        dir: ['src/wasm-lib']
+        dir: ['src/wasm-lib', 'src-tauri']
     steps:
       - uses: actions/checkout@v4
       - name: Install latest rust
@@ -31,9 +31,22 @@ jobs:
 
       - name: install dependencies
         if: matrix.dir ==  'src-tauri'
+        shell: bash
         run: |
           sudo apt-get update
-          sudo apt-get install -y libgtk-3-dev libwebkit2gtk-4.0-dev libappindicator3-dev librsvg2-dev patchelf
+          sudo apt-get install -y \
+            libgtk-3-dev \
+            libayatana-appindicator3-dev \
+            webkit2gtk-driver \
+            libsoup-3.0-dev \
+            libjavascriptcoregtk-4.1-dev \
+            libwebkit2gtk-4.1-dev \
+            at-spi2-core \
+            xvfb
+          yarn install
+          yarn build:wasm
+          yarn build:local
+
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2.6.1
 

.github/workflows/cargo-test-tauri.yml

@@ -0,0 +1,57 @@
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'src-tauri/**.rs'
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+      - '**/rust-toolchain.toml'
+      - .github/workflows/cargo-test-tauri.yml
+  pull_request:
+    paths:
+      - 'src-tauri/**.rs'
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+      - '**/rust-toolchain.toml'
+      - .github/workflows/cargo-test-tauri.yml
+  workflow_dispatch:
+permissions: read-all
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+name: cargo test of tauri
+jobs:
+  cargotest:
+    name: cargo test
+    runs-on: ubuntu-latest-8-cores
+    strategy:
+      matrix:
+        dir: ['src-tauri']
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install latest rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - name: install dependencies
+        if: matrix.dir ==  'src-tauri'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            libgtk-3-dev \
+            libayatana-appindicator3-dev \
+            webkit2gtk-driver \
+            libsoup-3.0-dev \
+            libjavascriptcoregtk-4.1-dev \
+            libwebkit2gtk-4.1-dev \
+            at-spi2-core \
+            xvfb
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@v2.6.1
+      - name: cargo test
+        shell: bash
+        run: |-
+          cd "${{ matrix.dir }}"
+          cargo test --all

.github/workflows/ci.yml

@@ -147,17 +147,17 @@ jobs:
 
       - name: Install ubuntu system dependencies
         if: matrix.os == 'ubuntu-latest'
-        run: >
+        run: |
-          sudo apt-get update &&
+          sudo apt-get update
-          sudo apt-get install -y
+          sudo apt-get install -y \
-          libgtk-3-dev
+            libgtk-3-dev \
-          libayatana-appindicator3-dev
+            libayatana-appindicator3-dev \
-          webkit2gtk-driver
+            webkit2gtk-driver \
-          libsoup-3.0-dev
+            libsoup-3.0-dev \
-          libjavascriptcoregtk-4.1-dev
+            libjavascriptcoregtk-4.1-dev \
-          libwebkit2gtk-4.1-dev
+            libwebkit2gtk-4.1-dev \
-          at-spi2-core
+            at-spi2-core \
-          xvfb
+            xvfb
 
       - name: Sync node version and setup cache
         uses: actions/setup-node@v4

.github/workflows/playwright.yml

@@ -122,3 +122,8 @@ jobs:
         name: playwright-report
         path: playwright-report/
         retention-days: 30
+    - uses: actions/upload-artifact@v2
+      if: github.ref == 'refs/heads/main'
+      with:
+        name: wasm-bundle
+        path: src/wasm-lib/pkg

.nvmrc

@@ -1 +1 @@
-v20.5.0
+v21.7.1

babel.config.js

@@ -1,3 +1,3 @@
 module.exports = {
-  presets: ["@babel/preset-env"],
+  presets: ['@babel/preset-env'],
 }

e2e/playwright/flow-tests.spec.ts

@@ -104,6 +104,7 @@ test('Basic sketch', async ({ page }) => {
   |> startProfileAt(${commonPoints.startAt}, %)
   |> line([${commonPoints.num1}, 0], %)
   |> line([0, ${commonPoints.num1}], %)`)
+  await page.waitForTimeout(100)
   await page.mouse.click(startXPx, 500 - PUR * 20)
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
@@ -328,9 +329,7 @@ test('if you write invalid kcl you get inlined errors', async ({ page }) => {
   await expect(page.locator('.cm-lint-marker-error')).not.toBeVisible()
 })
 
-/* Ignore this test for now since its causing engine to crash
+test('if your kcl gets an error from the engine it is inlined', async ({
- *
- * test('if your kcl gets an error from the engine it is inlined', async ({
   page,
 }) => {
   const u = getUtils(page)
@@ -349,7 +348,7 @@ const sketch001 = startSketchOn(box, "revolveAxis")
 |> startProfileAt([5, 10], %)
 |> line([0, -10], %)
 |> line([2, 0], %)
-|> line([0, 10], %)
+|> line([0, -10], %)
 |> close(%)
 |> revolve({
 axis: getEdge('revolveAxis', box),
@@ -364,7 +363,7 @@ angle: 90
 
   await u.waitForAuthSkipAppStart()
 
-  u.openDebugPanel()
+  await u.openDebugPanel()
   await u.expectCmdLog('[data-message-type="execution-done"]')
   await u.closeDebugPanel()
 
@@ -378,7 +377,7 @@ angle: 90
       'sketch profile must lie entirely on one side of the revolution axis'
     )
   ).toBeVisible()
-})*/
+})
 
 test('executes on load', async ({ page }) => {
   const u = getUtils(page)
@@ -566,7 +565,9 @@ test('Auto complete works', async ({ page }) => {
 
   await page.keyboard.press('Tab')
   await page.keyboard.type('12')
+  await page.waitForTimeout(100)
   await page.keyboard.press('Tab')
+  await page.waitForTimeout(100)
   await page.keyboard.press('Tab')
   await page.keyboard.press('Tab')
   await page.keyboard.press('Enter')
@@ -595,13 +596,12 @@ test('Auto complete works', async ({ page }) => {
 
 test('Stored settings are validated and fall back to defaults', async ({
   page,
-  context,
 }) => {
   const u = getUtils(page)
 
   // Override beforeEach test setup
   // with corrupted settings
-  await context.addInitScript(
+  await page.addInitScript(
     async ({ settingsKey, settings }) => {
       localStorage.setItem(settingsKey, settings)
     },
@@ -618,18 +618,18 @@ test('Stored settings are validated and fall back to defaults', async ({
   // Check the settings were reset
   const storedSettings = TOML.parse(
     await page.evaluate(
-      ({ settingsKey }) => localStorage.getItem(settingsKey) || '{}',
+      ({ settingsKey }) => localStorage.getItem(settingsKey) || '',
       { settingsKey: TEST_SETTINGS_KEY }
     )
   ) as { settings: SaveSettingsPayload }
 
-  expect(storedSettings.settings.app?.theme).toBe('dark')
+  expect(storedSettings.settings?.app?.theme).toBe(undefined)
 
   // Check that the invalid settings were removed
-  expect(storedSettings.settings.modeling?.defaultUnit).toBe(undefined)
+  expect(storedSettings.settings?.modeling?.defaultUnit).toBe(undefined)
-  expect(storedSettings.settings.modeling?.mouseControls).toBe(undefined)
+  expect(storedSettings.settings?.modeling?.mouseControls).toBe(undefined)
-  expect(storedSettings.settings.app?.projectDirectory).toBe(undefined)
+  expect(storedSettings.settings?.app?.projectDirectory).toBe(undefined)
-  expect(storedSettings.settings.projects?.defaultProjectName).toBe(undefined)
+  expect(storedSettings.settings?.projects?.defaultProjectName).toBe(undefined)
 })
 
 test('Project settings can be set and override user settings', async ({
@@ -736,7 +736,7 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
   await u.openDebugPanel()
 
   const xAxisClick = () =>
-    page.mouse.click(700, 250).then(() => page.waitForTimeout(100))
+    page.mouse.click(700, 253).then(() => page.waitForTimeout(100))
   const emptySpaceClick = () =>
     page.mouse.click(728, 343).then(() => page.waitForTimeout(100))
   const topHorzSegmentClick = () =>
@@ -761,6 +761,7 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${commonPoints.startAt}, %)`)
 
+  await page.waitForTimeout(100)
   await page.mouse.click(startXPx + PUR * 20, 500 - PUR * 10)
 
   await expect(page.locator('.cm-content'))
@@ -768,12 +769,14 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
   |> startProfileAt(${commonPoints.startAt}, %)
   |> line([${commonPoints.num1}, 0], %)`)
 
+  await page.waitForTimeout(100)
   await page.mouse.click(startXPx + PUR * 20, 500 - PUR * 20)
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${commonPoints.startAt}, %)
   |> line([${commonPoints.num1}, 0], %)
   |> line([0, ${commonPoints.num1}], %)`)
+  await page.waitForTimeout(100)
   await page.mouse.click(startXPx, 500 - PUR * 20)
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
@@ -786,10 +789,14 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
   await page.getByRole('button', { name: 'Line' }).click()
 
   await u.closeDebugPanel()
-  const selectionSequence = async () => {
+  const selectionSequence = async (isSecondTime = false) => {
     await expect(page.getByTestId('hover-highlight')).not.toBeVisible()
 
-    await page.mouse.move(startXPx + PUR * 15, 500 - PUR * 10)
+    await page.waitForTimeout(100)
+    await page.mouse.move(
+      startXPx + PUR * 15,
+      isSecondTime ? 430 : 500 - PUR * 10
+    )
 
     await expect(page.getByTestId('hover-highlight')).toBeVisible()
     // bg-yellow-200 is more brittle than hover-highlight, but is closer to the user experience
@@ -799,7 +806,10 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
     // check mousing off, than mousing onto another line
     await page.mouse.move(startXPx + PUR * 10, 500 - PUR * 15) // mouse off
     await expect(page.getByTestId('hover-highlight')).not.toBeVisible()
-    await page.mouse.move(startXPx + PUR * 10, 500 - PUR * 20) // mouse onto another line
+    await page.mouse.move(
+      startXPx + PUR * 10,
+      isSecondTime ? 295 : 500 - PUR * 20
+    ) // mouse onto another line
     await expect(page.getByTestId('hover-highlight')).toBeVisible()
 
     // now check clicking works including axis
@@ -809,6 +819,7 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
     await page.keyboard.down('Shift')
     const absYButton = page.getByRole('button', { name: 'ABS Y' })
     await expect(absYButton).toBeDisabled()
+    await page.waitForTimeout(100)
     await xAxisClick()
     await page.keyboard.up('Shift')
     await absYButton.and(page.locator(':not([disabled])')).waitFor()
@@ -817,10 +828,12 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
     // clear selection by clicking on nothing
     await emptySpaceClick()
 
+    await page.waitForTimeout(100)
     // same selection but click the axis first
     await xAxisClick()
     await expect(absYButton).toBeDisabled()
     await page.keyboard.down('Shift')
+    await page.waitForTimeout(100)
     await topHorzSegmentClick()
 
     await page.keyboard.up('Shift')
@@ -833,6 +846,7 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
     await page.getByText(`  |> line([-${commonPoints.num2}, 0], %)`).click()
     await page.keyboard.down('Shift')
     await expect(absYButton).toBeDisabled()
+    await page.waitForTimeout(100)
     await xAxisClick()
     await page.keyboard.up('Shift')
     await expect(absYButton).not.toBeDisabled()
@@ -875,11 +889,16 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
   await page.waitForTimeout(100)
 
   // enter sketch again
-  await page.getByRole('button', { name: 'Edit Sketch' }).click()
+  await u.doAndWaitForCmd(
+    () => page.getByRole('button', { name: 'Edit Sketch' }).click(),
+    'default_camera_get_settings'
+  )
+  await page.waitForTimeout(150)
+
   await page.waitForTimeout(300) // wait for animation
 
   // hover again and check it works
-  await selectionSequence()
+  await selectionSequence(true)
 })
 
 test.describe('Command bar tests', () => {
@@ -1015,6 +1034,7 @@ const part001 = startSketchOn('-XZ')
 })
 
 test('Can add multiple sketches', async ({ page }) => {
+  test.skip(process.platform === 'darwin', 'Can add multiple sketches')
   const u = getUtils(page)
   await page.setViewportSize({ width: 1200, height: 500 })
   const PUR = 400 / 37.5 //pixeltoUnitRatio
@@ -1065,6 +1085,7 @@ test('Can add multiple sketches', async ({ page }) => {
   |> startProfileAt(${commonPoints.startAt}, %)
   |> line([${commonPoints.num1}, 0], %)
   |> line([0, ${commonPoints.num1}], %)`)
+  await page.waitForTimeout(100)
   await page.mouse.click(startXPx, 500 - PUR * 20)
   const finalCodeFirstSketch = `const part001 = startSketchOn('-XZ')
   |> startProfileAt(${commonPoints.startAt}, %)
@@ -1080,24 +1101,33 @@ test('Can add multiple sketches', async ({ page }) => {
 
   await u.expectCmdLog('[data-message-type="execution-done"]')
 
-  await u.updateCamPosition([0, 100, 100])
+  await u.updateCamPosition([100, 100, 100])
+  await page.waitForTimeout(250)
 
   // start a new sketch
   await u.clearCommandLogs()
   await page.getByRole('button', { name: 'Start Sketch' }).click()
-  await page.waitForTimeout(100)
+  await page.waitForTimeout(400)
-  await page.mouse.click(673, 384)
+  await page.mouse.click(650, 450)
 
   await page.waitForTimeout(500) // TODO detect animation ending, or disable animation
   await u.clearAndCloseDebugPanel()
 
+  // on mock os there are issues with getting the camera to update
+  // it should not be selecting the 'XZ' plane here if the camera updated
+  // properly, but if we just role with it we can still verify everything
+  // in the rest of the test
+  const plane = process.platform === 'darwin' ? 'XZ' : 'XY'
+
+  await page.waitForTimeout(100)
   await page.mouse.click(startXPx + PUR * 10, 500 - PUR * 10)
-  const startAt2 = '[0.93,-1.25]'
+  const startAt2 =
+    process.platform === 'darwin' ? '[9.75, -13.16]' : '[0.93, -1.25]'
   await expect(
     (await page.locator('.cm-content').innerText()).replace(/\s/g, '')
   ).toBe(
     `${finalCodeFirstSketch}
-const part002 = startSketchOn('XY')
+const part002 = startSketchOn('${plane}')
   |> startProfileAt(${startAt2}, %)`.replace(/\s/g, '')
   )
   await page.waitForTimeout(100)
@@ -1106,12 +1136,12 @@ const part002 = startSketchOn('XY')
   await page.mouse.click(startXPx + PUR * 20, 500 - PUR * 10)
   await page.waitForTimeout(100)
 
-  const num2 = 0.94
+  const num2 = process.platform === 'darwin' ? 9.84 : 0.94
   await expect(
     (await page.locator('.cm-content').innerText()).replace(/\s/g, '')
   ).toBe(
     `${finalCodeFirstSketch}
-const part002 = startSketchOn('XY')
+const part002 = startSketchOn('${plane}')
   |> startProfileAt(${startAt2}, %)
   |> line([${num2}, 0], %)`.replace(/\s/g, '')
   )
@@ -1121,21 +1151,29 @@ const part002 = startSketchOn('XY')
     (await page.locator('.cm-content').innerText()).replace(/\s/g, '')
   ).toBe(
     `${finalCodeFirstSketch}
-const part002 = startSketchOn('XY')
+const part002 = startSketchOn('${plane}')
   |> startProfileAt(${startAt2}, %)
   |> line([${num2}, 0], %)
-  |> line([0, ${roundOff(num2 - 0.01)}], %)`.replace(/\s/g, '')
+  |> line([0, ${roundOff(
+    num2 + (process.platform === 'darwin' ? 0.01 : -0.01)
+  )}], %)`.replace(/\s/g, '')
   )
+  await page.waitForTimeout(100)
   await page.mouse.click(startXPx, 500 - PUR * 20)
   await expect(
     (await page.locator('.cm-content').innerText()).replace(/\s/g, '')
   ).toBe(
     `${finalCodeFirstSketch}
-const part002 = startSketchOn('XY')
+const part002 = startSketchOn('${plane}')
   |> startProfileAt(${startAt2}, %)
   |> line([${num2}, 0], %)
-  |> line([0, ${roundOff(num2 - 0.01)}], %)
+  |> line([0, ${roundOff(
-  |> line([-1.87, 0], %)`.replace(/\s/g, '')
+    num2 + (process.platform === 'darwin' ? 0.01 : -0.01)
+  )}], %)
+  |> line([-${process.platform === 'darwin' ? 19.59 : 1.87}, 0], %)`.replace(
+      /\s/g,
+      ''
+    )
   )
 })
 
@@ -1339,10 +1377,12 @@ test('Deselecting line tool should mean nothing happens on click', async ({
   await expect(page.locator('.cm-content')).not.toHaveText(previousCodeContent)
   previousCodeContent = await page.locator('.cm-content').innerText()
 
+  await page.waitForTimeout(100)
   await page.mouse.click(700, 300)
   await expect(page.locator('.cm-content')).not.toHaveText(previousCodeContent)
   previousCodeContent = await page.locator('.cm-content').innerText()
 
+  await page.waitForTimeout(100)
   await page.mouse.click(750, 300)
   await expect(page.locator('.cm-content')).not.toHaveText(previousCodeContent)
   previousCodeContent = await page.locator('.cm-content').innerText()
@@ -1367,16 +1407,16 @@ test('Can edit segments by dragging their handles', async ({ page }) => {
     page.getByRole('button', { name: 'Start Sketch' })
   ).not.toBeDisabled()
 
-  const startPX = [652, 418]
+  const startPX = [665, 458]
-  const lineEndPX = [794, 416]
+  const lineEndPX = [842, 458]
-  const arcEndPX = [893, 318]
+  const arcEndPX = [971, 342]
 
   const dragPX = 30
 
   await page.getByText('startProfileAt([4.61, -14.01], %)').click()
   await expect(page.getByRole('button', { name: 'Edit Sketch' })).toBeVisible()
   await page.getByRole('button', { name: 'Edit Sketch' }).click()
-  await page.waitForTimeout(100)
+  await page.waitForTimeout(400)
   let prevContent = await page.locator('.cm-content').innerText()
 
   const step5 = { steps: 5 }
@@ -1386,7 +1426,7 @@ test('Can edit segments by dragging their handles', async ({ page }) => {
   await page.mouse.down()
   await page.mouse.move(startPX[0] + dragPX, startPX[1] - dragPX, step5)
   await page.mouse.up()
-  await page.waitForTimeout(100)
+
   await expect(page.locator('.cm-content')).not.toHaveText(prevContent)
   prevContent = await page.locator('.cm-content').innerText()
 
@@ -1414,9 +1454,9 @@ test('Can edit segments by dragging their handles', async ({ page }) => {
   // expect the code to have changed
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
-  |> startProfileAt([7.01, -11.79], %)
+  |> startProfileAt([6.44, -12.07], %)
-  |> line([14.69, 2.73], %)
+  |> line([14.04, 2.03], %)
-  |> tangentialArcTo([27.6, -3.25], %)`)
+  |> tangentialArcTo([27.19, -4.2], %)`)
 })
 
 const doSnapAtDifferentScales = async (
@@ -1535,38 +1575,46 @@ test('Sketch on face', async ({ page }) => {
   ).not.toBeDisabled()
 
   await page.getByRole('button', { name: 'Start Sketch' }).click()
+  await page.waitForTimeout(300)
 
   let previousCodeContent = await page.locator('.cm-content').innerText()
 
-  await page.mouse.click(793, 133)
+  await u.openAndClearDebugPanel()
+  await u.doAndWaitForCmd(
+    () => page.mouse.click(793, 133),
+    'default_camera_get_settings',
+    true
+  )
+  await page.waitForTimeout(150)
 
   const firstClickPosition = [612, 238]
   const secondClickPosition = [661, 242]
   const thirdClickPosition = [609, 267]
 
-  await page.waitForTimeout(300)
-
   await page.mouse.click(firstClickPosition[0], firstClickPosition[1])
   await expect(page.locator('.cm-content')).not.toHaveText(previousCodeContent)
   previousCodeContent = await page.locator('.cm-content').innerText()
 
+  await page.waitForTimeout(100)
   await page.mouse.click(secondClickPosition[0], secondClickPosition[1])
   await expect(page.locator('.cm-content')).not.toHaveText(previousCodeContent)
   previousCodeContent = await page.locator('.cm-content').innerText()
 
+  await page.waitForTimeout(100)
   await page.mouse.click(thirdClickPosition[0], thirdClickPosition[1])
   await expect(page.locator('.cm-content')).not.toHaveText(previousCodeContent)
   previousCodeContent = await page.locator('.cm-content').innerText()
 
+  await page.waitForTimeout(100)
   await page.mouse.click(firstClickPosition[0], firstClickPosition[1])
   await expect(page.locator('.cm-content')).not.toHaveText(previousCodeContent)
   previousCodeContent = await page.locator('.cm-content').innerText()
 
   await expect(page.locator('.cm-content'))
     .toContainText(`const part002 = startSketchOn(part001, 'seg01')
-  |> startProfileAt([1.03, 1.03], %)
+  |> startProfileAt([-12.83, 6.7], %)
-  |> line([4.18, -0.35], %)
+  |> line([2.87, -0.23], %)
-  |> line([-4.44, -2.13], %)
+  |> line([-3.05, -1.47], %)
   |> close(%)`)
 
   await u.openAndClearDebugPanel()
@@ -1576,9 +1624,14 @@ test('Sketch on face', async ({ page }) => {
   await u.updateCamPosition([1049, 239, 686])
   await u.closeDebugPanel()
 
-  await page.getByText('startProfileAt([1.03, 1.03], %)').click()
+  await page.getByText('startProfileAt([-12.83, 6.7], %)').click()
   await expect(page.getByRole('button', { name: 'Edit Sketch' })).toBeVisible()
-  await page.getByRole('button', { name: 'Edit Sketch' }).click()
+  await u.doAndWaitForCmd(
+    () => page.getByRole('button', { name: 'Edit Sketch' }).click(),
+    'default_camera_get_settings',
+    true
+  )
+  await page.waitForTimeout(150)
   await page.setViewportSize({ width: 1200, height: 1200 })
   await u.openAndClearDebugPanel()
   await u.updateCamPosition([452, -152, 1166])
@@ -1598,11 +1651,11 @@ test('Sketch on face', async ({ page }) => {
 
   await expect(page.locator('.cm-content'))
     .toContainText(`const part002 = startSketchOn(part001, 'seg01')
-|> startProfileAt([1.03, 1.03], %)
+|> startProfileAt([-12.83, 6.7], %)
-|> line([${process?.env?.CI ? 2.74 : 2.93}, -${
+|> line([${process?.env?.CI ? 2.28 : 2.28}, -${
-    process?.env?.CI ? 0.24 : 0.2
+    process?.env?.CI ? 0.07 : 0.07
   }], %)
-|> line([-4.44, -2.13], %)
+|> line([-3.05, -1.47], %)
 |> close(%)`)
 
   // exit sketch
@@ -1610,7 +1663,7 @@ test('Sketch on face', async ({ page }) => {
   await page.getByRole('button', { name: 'Exit Sketch' }).click()
   await u.expectCmdLog('[data-message-type="execution-done"]')
 
-  await page.getByText('startProfileAt([1.03, 1.03], %)').click()
+  await page.getByText('startProfileAt([-12.83, 6.7], %)').click()
 
   await expect(page.getByRole('button', { name: 'Extrude' })).not.toBeDisabled()
   await page.getByRole('button', { name: 'Extrude' }).click()
@@ -1624,11 +1677,11 @@ test('Sketch on face', async ({ page }) => {
 
   await expect(page.locator('.cm-content'))
     .toContainText(`const part002 = startSketchOn(part001, 'seg01')
-|> startProfileAt([1.03, 1.03], %)
+|> startProfileAt([-12.83, 6.7], %)
-|> line([${process?.env?.CI ? 2.74 : 2.93}, -${
+|> line([${process?.env?.CI ? 2.28 : 2.28}, -${
-    process?.env?.CI ? 0.24 : 0.2
+    process?.env?.CI ? 0.07 : 0.07
   }], %)
-|> line([-4.44, -2.13], %)
+|> line([-3.05, -1.47], %)
 |> close(%)
 |> extrude(5 + 7, %)`)
 })
@@ -1661,11 +1714,11 @@ test('Can code mod a line length', async ({ page }) => {
 
   // enter sketch again
   await page.getByRole('button', { name: 'Edit Sketch' }).click()
-  await page.waitForTimeout(300) // wait for animation
+  await page.waitForTimeout(350) // wait for animation
 
   const startXPx = 500
   await page.mouse.move(startXPx + PUR * 15, 250 - PUR * 10)
-  await page.mouse.click(615, 133)
+  await page.mouse.click(615, 102)
   await page.getByRole('button', { name: 'length', exact: true }).click()
   await page.getByText('Add constraining value').click()
 
@@ -1673,3 +1726,42 @@ test('Can code mod a line length', async ({ page }) => {
     `const length001 = 20const part001 = startSketchOn('XY')  |> startProfileAt([-10, -10], %)  |> line([20, 0], %)  |> line([0, 20], %)  |> xLine(-length001, %)`
   )
 })
+
+test('Extrude from command bar selects extrude line after', async ({
+  page,
+}) => {
+  await page.addInitScript(async () => {
+    localStorage.setItem(
+      'persistCode',
+      `const part001 = startSketchOn('XY')
+  |> startProfileAt([-10, -10], %)
+  |> line([20, 0], %)
+  |> line([0, 20], %)
+  |> xLine(-20, %)
+  |> close(%)
+    `
+    )
+  })
+
+  const u = getUtils(page)
+  await page.setViewportSize({ width: 1200, height: 500 })
+  await page.goto('/')
+  await u.waitForAuthSkipAppStart()
+  await u.openDebugPanel()
+  await u.expectCmdLog('[data-message-type="execution-done"]')
+  await u.closeDebugPanel()
+
+  // Click the line of code for xLine.
+  await page.getByText(`close(%)`).click() // TODO remove this and reinstate // await topHorzSegmentClick()
+  await page.waitForTimeout(100)
+
+  await page.getByRole('button', { name: 'Extrude' }).click()
+  await page.waitForTimeout(100)
+  await page.keyboard.press('Enter')
+  await page.waitForTimeout(100)
+  await page.keyboard.press('Enter')
+  await page.waitForTimeout(100)
+  await expect(page.locator('.cm-activeLine')).toHaveText(
+    `  |> extrude(5 + 7, %)`
+  )
+})

e2e/playwright/storageStates.ts

@@ -1,12 +1,13 @@
 import { SaveSettingsPayload } from 'lib/settings/settingsTypes'
 import { Themes } from 'lib/theme'
 
-export const TEST_SETTINGS_KEY = '/user.toml'
+export const TEST_SETTINGS_KEY = '/settings.toml'
 export const TEST_SETTINGS = {
   app: {
     theme: Themes.Dark,
     onboardingStatus: 'dismissed',
     projectDirectory: '',
+    enableSSAO: false,
   },
   modeling: {
     defaultUnit: 'in',
@@ -23,7 +24,7 @@ export const TEST_SETTINGS = {
 
 export const TEST_SETTINGS_ONBOARDING = {
   ...TEST_SETTINGS,
-  app: { ...TEST_SETTINGS.app, onboardingStatus: '/export ' },
+  app: { ...TEST_SETTINGS.app, onboardingStatus: '/export' },
 } satisfies Partial<SaveSettingsPayload>
 
 export const TEST_SETTINGS_CORRUPTED = {

e2e/tauri/specs/auth.e2e.ts

@@ -71,7 +71,7 @@ describe('ZMA (Tauri, Linux)', () => {
 
     // Now should be signed in
     const newFileButton = await $('[data-testid="home-new-file"]')
-    expect(await newFileButton.getText()).toEqual('New file')
+    expect(await newFileButton.getText()).toEqual('New project')
   })
 
   it('opens the settings page, checks filesystem settings, and closes the settings page', async () => {

make-release.sh

@@ -57,7 +57,7 @@ echo "New version number without 'v': $new_version_number"
 git checkout -b "cut-release-$new_version"
 
 echo "$(jq --arg v "$new_version_number" '.version=$v' package.json --indent 2)" > package.json
-echo "$(jq --arg v "$new_version_number" '.package.version=$v' src-tauri/tauri.conf.json --indent 2)" > src-tauri/tauri.conf.json
+echo "$(jq --arg v "$new_version_number" '.version=$v' src-tauri/tauri.conf.json --indent 2)" > src-tauri/tauri.conf.json
 
 git add package.json src-tauri/tauri.conf.json
 git commit -m "Cut release $new_version"

package.json

@@ -1,6 +1,6 @@
 {
   "name": "untitled-app",
-  "version": "0.17.3",
+  "version": "0.19.1",
   "private": true,
   "dependencies": {
     "@codemirror/autocomplete": "^6.16.0",
@@ -8,7 +8,7 @@
     "@fortawesome/free-brands-svg-icons": "^6.5.2",
     "@fortawesome/free-solid-svg-icons": "^6.4.2",
     "@fortawesome/react-fontawesome": "^0.2.0",
-    "@headlessui/react": "^1.7.18",
+    "@headlessui/react": "^1.7.19",
     "@headlessui/tailwindcss": "^0.2.0",
     "@kittycad/lib": "^0.0.58",
     "@lezer/javascript": "^1.4.9",
@@ -84,8 +84,8 @@
     "test:e2e:tauri": "E2E_TAURI_ENABLED=true TS_NODE_COMPILER_OPTIONS='{\"module\": \"commonjs\"}' wdio run wdio.conf.ts",
     "simpleserver:ci": "yarn pretest && http-server ./public --cors -p 3000 &",
     "simpleserver": "yarn pretest && http-server ./public --cors -p 3000",
-    "fmt": "prettier --write ./src && prettier --write ./e2e",
+    "fmt": "prettier --write ./src *.ts *.json *.js ./e2e",
-    "fmt-check": "prettier --check ./src && prettier --check ./e2e",
+    "fmt-check": "prettier --check ./src *.ts *.json *.js ./e2e",
     "build:wasm-dev": "(cd src/wasm-lib && wasm-pack build --dev --target web --out-dir pkg && cargo test -p kcl-lib export_bindings) && cp src/wasm-lib/pkg/wasm_lib_bg.wasm public && yarn fmt",
     "build:wasm": "(cd src/wasm-lib && wasm-pack build --target web --out-dir pkg && cargo test -p kcl-lib export_bindings) && cp src/wasm-lib/pkg/wasm_lib_bg.wasm public && yarn fmt",
     "build:wasm-clean": "yarn wasm-prep && yarn build:wasm",
@@ -132,6 +132,7 @@
     "@types/wicg-file-system-access": "^2023.10.5",
     "@types/ws": "^8.5.10",
     "@vitejs/plugin-react": "^4.2.1",
+    "@vitest/web-worker": "^1.5.0",
     "@wdio/cli": "^8.24.3",
     "@wdio/globals": "^8.36.0",
     "@wdio/local-runner": "^8.36.0",

playwright.config.ts

@@ -49,8 +49,6 @@ export default defineConfig({
     //   use: { ...devices['Desktop Chrome'] },
     // },
 
-
-
     /* Test against mobile viewports. */
     // {
     //   name: 'Mobile Chrome',

src-tauri/Cargo.toml

@@ -8,27 +8,27 @@ repository = "https://github.com/KittyCAD/modeling-app"
 default-run = "app"
 edition = "2021"
 rust-version = "1.70"
-
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [build-dependencies]
-tauri-build = { version = "2.0.0-beta.12", features = [] }
+tauri-build = { version = "2.0.0-beta.13", features = [] }
 
 [dependencies]
 anyhow = "1"
-kittycad = "0.2.67"
+kcl-lib = { version = "0.1.52", path = "../src/wasm-lib/kcl" }
+kittycad = "0.3.0"
 oauth2 = "4.4.2"
-serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 tauri = { version = "2.0.0-beta.15", features = [ "devtools", "unstable"] }
-tauri-plugin-dialog = { version = "2.0.0-beta.5" }
+tauri-plugin-cli = { version = "2.0.0-beta.3" }
-tauri-plugin-fs = { version = "2.0.0-beta.5" }
+tauri-plugin-dialog = { version = "2.0.0-beta.6" }
-tauri-plugin-http = { version = "2.0.0-beta.5" }
+tauri-plugin-fs = { version = "2.0.0-beta.6" }
+tauri-plugin-http = { version = "2.0.0-beta.6" }
 tauri-plugin-os = { version = "2.0.0-beta.2" }
 tauri-plugin-process = { version = "2.0.0-beta.2" }
 tauri-plugin-shell = { version = "2.0.0-beta.2" }
 tauri-plugin-updater = { version = "2.0.0-beta.4" }
-tokio = { version = "1.37.0", features = ["time"] }
+tokio = { version = "1.37.0", features = ["time", "fs"] }
 toml = "0.8.2"
 
 [features]

src-tauri/capabilities/desktop.json

@@ -7,6 +7,7 @@
     "main"
   ],
   "permissions": [
+    "cli:default",
     "path:default",
     "event:default",
     "window:default",
@@ -23,7 +24,6 @@
     "fs:allow-copy-file",
     "fs:allow-mkdir",
     "fs:allow-remove",
-    "fs:allow-remove",
     "fs:allow-rename",
     "fs:allow-exists",
     "fs:allow-stat",

src-tauri/rustfmt.toml

@@ -0,0 +1,6 @@
+max_width = 120
+edition = "2018"
+format_code_in_doc_comments = true
+format_strings = false
+imports_granularity = "Crate"
+group_imports = "StdExternalCrate"

src-tauri/src/main.rs

@@ -1,91 +1,205 @@
 // Prevents additional console window on Windows in release, DO NOT REMOVE!!
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
-use std::env;
+pub(crate) mod state;
-use std::fs;
+
-use std::io::Read;
+use std::{
-use std::path::Path;
+    env,
-use std::path::PathBuf;
+    path::{Path, PathBuf},
+    process::Command,
+};
 
 use anyhow::Result;
+use kcl_lib::settings::types::{
+    file::{FileEntry, Project, ProjectState},
+    project::ProjectConfiguration,
+    Configuration, DEFAULT_PROJECT_KCL_FILE,
+};
 use oauth2::TokenResponse;
-use serde::Serialize;
+use tauri::{ipc::InvokeError, Manager};
-use std::process::Command;
+use tauri_plugin_cli::CliExt;
-use tauri::ipc::InvokeError;
 use tauri_plugin_shell::ShellExt;
-const DEFAULT_HOST: &str = "https://api.kittycad.io";
 
-/// This command returns the a json string parse from a toml file at the path.
+const DEFAULT_HOST: &str = "https://api.zoo.dev";
+const SETTINGS_FILE_NAME: &str = "settings.toml";
+const PROJECT_SETTINGS_FILE_NAME: &str = "project.toml";
+const PROJECT_FOLDER: &str = "zoo-modeling-app-projects";
+
 #[tauri::command]
-fn read_toml(path: &str) -> Result<String, InvokeError> {
+fn get_initial_default_dir(app: tauri::AppHandle) -> Result<PathBuf, InvokeError> {
-    let mut file = std::fs::File::open(path).map_err(|e| InvokeError::from_anyhow(e.into()))?;
+    let dir = match app.path().document_dir() {
-    let mut contents = String::new();
+        Ok(dir) => dir,
-    file.read_to_string(&mut contents)
+        Err(_) => {
-        .map_err(|e| InvokeError::from_anyhow(e.into()))?;
+            // for headless Linux (eg. Github Actions)
-    let value =
+            let home_dir = app.path().home_dir()?;
-        toml::from_str::<toml::Value>(&contents).map_err(|e| InvokeError::from_anyhow(e.into()))?;
+            home_dir.join("Documents")
-    let value = serde_json::to_string(&value).map_err(|e| InvokeError::from_anyhow(e.into()))?;
+        }
-    Ok(value)
+    };
+
+    Ok(dir.join(PROJECT_FOLDER))
 }
 
-/// From https://github.com/tauri-apps/tauri/blob/1.x/core/tauri/src/api/dir.rs#L51
-/// Removed from tauri v2
-#[derive(Debug, Serialize)]
-pub struct DiskEntry {
-    /// The path to the entry.
-    pub path: PathBuf,
-    /// The name of the entry (file name with extension or directory name).
-    pub name: Option<String>,
-    /// The children of this entry if it's a directory.
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub children: Option<Vec<DiskEntry>>,
-}
-
-/// From https://github.com/tauri-apps/tauri/blob/1.x/core/tauri/src/api/dir.rs#L51
-/// Removed from tauri v2
-fn is_dir<P: AsRef<Path>>(path: P) -> Result<bool> {
-    std::fs::metadata(path)
-        .map(|md| md.is_dir())
-        .map_err(Into::into)
-}
-
-/// From https://github.com/tauri-apps/tauri/blob/1.x/core/tauri/src/api/dir.rs#L51
-/// Removed from tauri v2
 #[tauri::command]
-fn read_dir_recursive(path: &str) -> Result<Vec<DiskEntry>, InvokeError> {
+async fn get_state(app: tauri::AppHandle) -> Result<Option<ProjectState>, InvokeError> {
-    let mut files_and_dirs: Vec<DiskEntry> = vec![];
+    let store = app.state::<state::Store>();
-    // let path = path.as_ref();
+    Ok(store.get().await)
-    for entry in fs::read_dir(path).map_err(|e| InvokeError::from_anyhow(e.into()))? {
+}
-        let path = entry
-            .map_err(|e| InvokeError::from_anyhow(e.into()))?
-            .path();
 
-        if let Ok(flag) = is_dir(&path) {
+#[tauri::command]
-            files_and_dirs.push(DiskEntry {
+async fn set_state(app: tauri::AppHandle, state: Option<ProjectState>) -> Result<(), InvokeError> {
-                path: path.clone(),
+    let store = app.state::<state::Store>();
-                children: if flag {
+    store.set(state).await;
-                    Some(read_dir_recursive(path.to_str().expect("No path"))?)
+    Ok(())
-                } else {
+}
-                    None
+
-                },
+fn get_app_settings_file_path(app: &tauri::AppHandle) -> Result<PathBuf, InvokeError> {
-                name: path
+    let app_config_dir = app.path().app_config_dir()?;
-                    .file_name()
+    Ok(app_config_dir.join(SETTINGS_FILE_NAME))
-                    .map(|name| name.to_string_lossy())
+}
-                    .map(|name| name.to_string()),
+
-            });
+#[tauri::command]
+async fn read_app_settings_file(app: tauri::AppHandle) -> Result<Configuration, InvokeError> {
+    let mut settings_path = get_app_settings_file_path(&app)?;
+    let mut needs_migration = false;
+
+    // Check if this file exists.
+    if !settings_path.exists() {
+        // Try the backwards compatible path.
+        // TODO: Remove this after a few releases.
+        let app_config_dir = app.path().app_config_dir()?;
+        settings_path = format!(
+            "{}user.toml",
+            app_config_dir.display().to_string().trim_end_matches('/')
+        )
+        .into();
+        needs_migration = true;
+        // Check if this path exists.
+        if !settings_path.exists() {
+            let mut default = Configuration::default();
+            default.settings.project.directory = get_initial_default_dir(app.clone())?;
+            // Return the default configuration.
+            return Ok(default);
         }
     }
-    Ok(files_and_dirs)
+
+    let contents = tokio::fs::read_to_string(&settings_path)
+        .await
+        .map_err(|e| InvokeError::from_anyhow(e.into()))?;
+    let mut parsed = Configuration::backwards_compatible_toml_parse(&contents).map_err(InvokeError::from_anyhow)?;
+    if parsed.settings.project.directory == PathBuf::new() {
+        parsed.settings.project.directory = get_initial_default_dir(app.clone())?;
+    }
+
+    // TODO: Remove this after a few releases.
+    if needs_migration {
+        write_app_settings_file(app, parsed.clone()).await?;
+        // Delete the old file.
+        tokio::fs::remove_file(settings_path)
+            .await
+            .map_err(|e| InvokeError::from_anyhow(e.into()))?;
+    }
+
+    Ok(parsed)
 }
 
-/// This command returns a string that is the contents of a file at the path.
 #[tauri::command]
-fn read_txt_file(path: &str) -> Result<String, InvokeError> {
+async fn write_app_settings_file(app: tauri::AppHandle, configuration: Configuration) -> Result<(), InvokeError> {
-    let mut file = std::fs::File::open(path).map_err(|e| InvokeError::from_anyhow(e.into()))?;
+    let settings_path = get_app_settings_file_path(&app)?;
-    let mut contents = String::new();
+    let contents = toml::to_string_pretty(&configuration).map_err(|e| InvokeError::from_anyhow(e.into()))?;
-    file.read_to_string(&mut contents)
+    tokio::fs::write(settings_path, contents.as_bytes())
+        .await
         .map_err(|e| InvokeError::from_anyhow(e.into()))?;
-    Ok(contents)
+
+    Ok(())
+}
+
+fn get_project_settings_file_path(app_settings: Configuration, project_name: &str) -> Result<PathBuf, InvokeError> {
+    Ok(app_settings
+        .settings
+        .project
+        .directory
+        .join(project_name)
+        .join(PROJECT_SETTINGS_FILE_NAME))
+}
+
+#[tauri::command]
+async fn read_project_settings_file(
+    app_settings: Configuration,
+    project_name: &str,
+) -> Result<ProjectConfiguration, InvokeError> {
+    let settings_path = get_project_settings_file_path(app_settings, project_name)?;
+
+    // Check if this file exists.
+    if !settings_path.exists() {
+        // Return the default configuration.
+        return Ok(ProjectConfiguration::default());
+    }
+
+    let contents = tokio::fs::read_to_string(&settings_path)
+        .await
+        .map_err(|e| InvokeError::from_anyhow(e.into()))?;
+    let parsed = ProjectConfiguration::backwards_compatible_toml_parse(&contents).map_err(InvokeError::from_anyhow)?;
+
+    Ok(parsed)
+}
+
+#[tauri::command]
+async fn write_project_settings_file(
+    app_settings: Configuration,
+    project_name: &str,
+    configuration: ProjectConfiguration,
+) -> Result<(), InvokeError> {
+    let settings_path = get_project_settings_file_path(app_settings, project_name)?;
+    let contents = toml::to_string_pretty(&configuration).map_err(|e| InvokeError::from_anyhow(e.into()))?;
+    tokio::fs::write(settings_path, contents.as_bytes())
+        .await
+        .map_err(|e| InvokeError::from_anyhow(e.into()))?;
+
+    Ok(())
+}
+
+/// Initialize the directory that holds all the projects.
+#[tauri::command]
+async fn initialize_project_directory(configuration: Configuration) -> Result<PathBuf, InvokeError> {
+    configuration
+        .ensure_project_directory_exists()
+        .await
+        .map_err(InvokeError::from_anyhow)
+}
+
+/// Create a new project directory.
+#[tauri::command]
+async fn create_new_project_directory(
+    configuration: Configuration,
+    project_name: &str,
+    initial_code: Option<&str>,
+) -> Result<Project, InvokeError> {
+    configuration
+        .create_new_project_directory(project_name, initial_code)
+        .await
+        .map_err(InvokeError::from_anyhow)
+}
+
+/// List all the projects in the project directory.
+#[tauri::command]
+async fn list_projects(configuration: Configuration) -> Result<Vec<Project>, InvokeError> {
+    configuration.list_projects().await.map_err(InvokeError::from_anyhow)
+}
+
+/// Get information about a project.
+#[tauri::command]
+async fn get_project_info(configuration: Configuration, project_path: &str) -> Result<Project, InvokeError> {
+    configuration
+        .get_project_info(project_path)
+        .await
+        .map_err(InvokeError::from_anyhow)
+}
+
+#[tauri::command]
+async fn read_dir_recursive(path: &str) -> Result<FileEntry, InvokeError> {
+    kcl_lib::settings::utils::walk_dir(&Path::new(path).to_path_buf())
+        .await
+        .map_err(InvokeError::from_anyhow)
 }
 
 /// This command instantiates a new window with auth.
@@ -103,8 +217,7 @@ async fn login(app: tauri::AppHandle, host: &str) -> Result<String, InvokeError>
     let auth_client = oauth2::basic::BasicClient::new(
         oauth2::ClientId::new(client_id),
         None,
-        oauth2::AuthUrl::new(format!("{host}/authorize"))
+        oauth2::AuthUrl::new(format!("{host}/authorize")).map_err(|e| InvokeError::from_anyhow(e.into()))?,
-            .map_err(|e| InvokeError::from_anyhow(e.into()))?,
         Some(
             oauth2::TokenUrl::new(format!("{host}/oauth2/device/token"))
                 .map_err(|e| InvokeError::from_anyhow(e.into()))?,
@@ -132,12 +245,10 @@ async fn login(app: tauri::AppHandle, host: &str) -> Result<String, InvokeError>
     // and bypass the shell::open call as it fails on GitHub Actions.
     let e2e_tauri_enabled = env::var("E2E_TAURI_ENABLED").is_ok();
     if e2e_tauri_enabled {
-        println!(
+        println!("E2E_TAURI_ENABLED is set, won't open {} externally", auth_uri.secret());
-            "E2E_TAURI_ENABLED is set, won't open {} externally",
+        tokio::fs::write("/tmp/kittycad_user_code", details.user_code().secret())
-            auth_uri.secret()
+            .await
-        );
+            .map_err(|e| InvokeError::from_anyhow(e.into()))?;
-        fs::write("/tmp/kittycad_user_code", details.user_code().secret())
-            .expect("Unable to write /tmp/kittycad_user_code file");
     } else {
         app.shell()
             .open(auth_uri.secret(), None)
@@ -160,10 +271,7 @@ async fn login(app: tauri::AppHandle, host: &str) -> Result<String, InvokeError>
 ///This command returns the KittyCAD user info given a token.
 /// The string returned from this method is the user info as a json string.
 #[tauri::command]
-async fn get_user(
+async fn get_user(token: &str, hostname: &str) -> Result<kittycad::types::User, InvokeError> {
-    token: Option<String>,
-    hostname: &str,
-) -> Result<kittycad::types::User, InvokeError> {
     // Use the host passed in if it's set.
     // Otherwise, use the default host.
     let host = if hostname.is_empty() {
@@ -183,7 +291,7 @@ async fn get_user(
     println!("Getting user info...");
 
     // use kittycad library to fetch the user info from /user/me
-    let mut client = kittycad::Client::new(token.unwrap());
+    let mut client = kittycad::Client::new(token);
 
     if baseurl != DEFAULT_HOST {
         client.set_base_url(&baseurl);
@@ -202,50 +310,170 @@ async fn get_user(
 /// From this GitHub comment: https://github.com/tauri-apps/tauri/issues/4062#issuecomment-1338048169
 /// But with the Linux support removed since we don't need it for now.
 #[tauri::command]
-fn show_in_folder(path: String) {
+fn show_in_folder(path: &str) -> Result<(), InvokeError> {
-    #[cfg(target_os = "windows")]
+    #[cfg(not(unix))]
     {
         Command::new("explorer")
             .args(["/select,", &path]) // The comma after select is not a typo
             .spawn()
-            .unwrap();
+            .map_err(|e| InvokeError::from_anyhow(e.into()))?;
     }
 
-    #[cfg(target_os = "macos")]
+    #[cfg(unix)]
     {
-        Command::new("open").args(["-R", &path]).spawn().unwrap();
+        Command::new("open")
+            .args(["-R", &path])
+            .spawn()
+            .map_err(|e| InvokeError::from_anyhow(e.into()))?;
     }
+
+    Ok(())
 }
 
-fn main() {
+fn main() -> Result<()> {
     tauri::Builder::default()
         .setup(|_app| {
             #[cfg(debug_assertions)]
             {
-                use tauri::Manager;
                 _app.get_webview("main").unwrap().open_devtools();
             }
             #[cfg(not(debug_assertions))]
             {
-                _app.handle()
+                _app.handle().plugin(tauri_plugin_updater::Builder::new().build())?;
-                    .plugin(tauri_plugin_updater::Builder::new().build())?;
             }
             Ok(())
         })
         .invoke_handler(tauri::generate_handler![
+            get_state,
+            set_state,
+            get_initial_default_dir,
+            initialize_project_directory,
+            create_new_project_directory,
+            list_projects,
+            get_project_info,
             get_user,
             login,
-            read_toml,
-            read_txt_file,
             read_dir_recursive,
             show_in_folder,
+            read_app_settings_file,
+            write_app_settings_file,
+            read_project_settings_file,
+            write_project_settings_file,
         ])
+        .plugin(tauri_plugin_cli::init())
+        .setup(|app| {
+            let mut verbose = false;
+            let mut source_path: Option<PathBuf> = None;
+            match app.cli().matches() {
+                // `matches` here is a Struct with { args, subcommand }.
+                // `args` is `HashMap<String, ArgData>` where `ArgData` is a struct with { value, occurrences }.
+                // `subcommand` is `Option<Box<SubcommandMatches>>` where `SubcommandMatches` is a struct with { name, matches }.
+                Ok(matches) => {
+                    if let Some(verbose_flag) = matches.args.get("verbose") {
+                        let Some(value) = verbose_flag.value.as_bool() else {
+                            return Err(
+                                anyhow::anyhow!("Error parsing CLI arguments: verbose flag is not a boolean").into(),
+                            );
+                        };
+                        verbose = value;
+                    }
+
+                    // Get the path we are trying to open.
+                    if let Some(source_arg) = matches.args.get("source") {
+                        // We don't do an else here because this can be null.
+                        if let Some(value) = source_arg.value.as_str() {
+                            source_path = Some(Path::new(value).to_path_buf());
+                        }
+                    }
+                }
+                Err(err) => {
+                    return Err(anyhow::anyhow!("Error parsing CLI arguments: {:?}", err).into());
+                }
+            }
+
+            // If we have a source path to open, make sure it exists.
+            let Some(source_path) = source_path else {
+                // The user didn't provide a source path to open.
+                // Run the app as normal.
+                app.manage(state::Store::default());
+                return Ok(());
+            };
+
+            if !source_path.exists() {
+                return Err(anyhow::anyhow!(
+                    "Error: the path `{}` you are trying to open does not exist",
+                    source_path.display()
+                )
+                .into());
+            }
+
+            let runner: tauri::async_runtime::JoinHandle<Result<ProjectState>> =
+                tauri::async_runtime::spawn(async move {
+                    // If the path is a directory, let's assume it is a project directory.
+                    if source_path.is_dir() {
+                        // Load the details about the project from the path.
+                        let project = Project::from_path(&source_path).await.map_err(|e| {
+                            anyhow::anyhow!("Error loading project from path {}: {:?}", source_path.display(), e)
+                        })?;
+
+                        if verbose {
+                            println!("Project loaded from path: {}", source_path.display());
+                        }
+
+                        // Create the default file in the project.
+                        // Write the initial project file.
+                        let project_file = source_path.join(DEFAULT_PROJECT_KCL_FILE);
+                        tokio::fs::write(&project_file, vec![]).await?;
+
+                        return Ok(ProjectState {
+                            project,
+                            current_file: Some(project_file.display().to_string()),
+                        });
+                    }
+
+                    // We were given a file path, not a directory.
+                    // Let's get the parent directory of the file.
+                    let parent = source_path.parent().ok_or_else(|| {
+                        anyhow::anyhow!(
+                            "Error getting the parent directory of the file: {}",
+                            source_path.display()
+                        )
+                    })?;
+
+                    // Load the details about the project from the parent directory.
+                    let project = Project::from_path(&parent).await.map_err(|e| {
+                        anyhow::anyhow!("Error loading project from path {}: {:?}", source_path.display(), e)
+                    })?;
+
+                    if verbose {
+                        println!(
+                            "Project loaded from path: {}, current file: {}",
+                            parent.display(),
+                            source_path.display()
+                        );
+                    }
+
+                    Ok(ProjectState {
+                        project,
+                        current_file: Some(source_path.display().to_string()),
+                    })
+                });
+
+            // Block on the handle.
+            let store = tauri::async_runtime::block_on(runner)??;
+
+            // Create a state object to hold the project.
+            app.manage(state::Store::new(store));
+
+            Ok(())
+        })
         .plugin(tauri_plugin_dialog::init())
         .plugin(tauri_plugin_fs::init())
         .plugin(tauri_plugin_http::init())
         .plugin(tauri_plugin_os::init())
         .plugin(tauri_plugin_process::init())
         .plugin(tauri_plugin_shell::init())
-        .run(tauri::generate_context!())
+        .run(tauri::generate_context!())?;
-        .expect("error while running tauri application");
+
+    Ok(())
 }

src-tauri/src/state.rs

@@ -0,0 +1,21 @@
+//! State management for the application.
+
+use kcl_lib::settings::types::file::ProjectState;
+use tokio::sync::Mutex;
+
+#[derive(Debug, Default)]
+pub struct Store(Mutex<Option<ProjectState>>);
+
+impl Store {
+    pub fn new(p: ProjectState) -> Self {
+        Self(Mutex::new(Some(p)))
+    }
+
+    pub async fn get(&self) -> Option<ProjectState> {
+        self.0.lock().await.clone()
+    }
+
+    pub async fn set(&self, p: Option<ProjectState>) {
+        *self.0.lock().await = p;
+    }
+}

src-tauri/tauri.conf.json

@@ -50,10 +50,26 @@
   },
   "identifier": "dev.zoo.modeling-app",
   "plugins": {
+    "cli": {
+      "description": "Zoo Modeling App CLI",
+      "args": [
+        {
+          "short": "v",
+          "name": "verbose",
+          "description": "Verbosity level"
+        },
+        {
+          "name": "source",
+          "index": 1,
+          "takesValue": true
+        }
+      ],
+      "subcommands": {}
+    },
     "shell": {
       "open": true
     }
   },
   "productName": "Zoo Modeling App",
-  "version": "0.17.3"
+  "version": "0.19.1"
 }

src/Router.tsx

@@ -30,6 +30,7 @@ import SettingsAuthProvider from 'components/SettingsAuthProvider'
 import LspProvider from 'components/LspProvider'
 import { KclContextProvider } from 'lang/KclProvider'
 import { BROWSER_PROJECT_NAME } from 'lib/constants'
+import { getState, setState } from 'lib/tauri'
 
 const router = createBrowserRouter([
   {
@@ -52,10 +53,30 @@ const router = createBrowserRouter([
     children: [
       {
         path: paths.INDEX,
-        loader: () =>
+        loader: async () => {
-          isTauri()
+          const inTauri = isTauri()
+          if (inTauri) {
+            const appState = await getState()
+
+            if (appState) {
+              console.log('appState', appState)
+              // Reset the state.
+              // We do this so that we load the initial state from the cli but everything
+              // else we can ignore.
+              await setState(undefined)
+              // Redirect to the file if we have a file path.
+              if (appState.current_file) {
+                return redirect(
+                  paths.FILE + '/' + encodeURIComponent(appState.current_file)
+                )
+              }
+            }
+          }
+
+          return inTauri
             ? redirect(paths.HOME)
-            : redirect(paths.FILE + '/%2F' + BROWSER_PROJECT_NAME),
+            : redirect(paths.FILE + '/%2F' + BROWSER_PROJECT_NAME)
+        },
       },
       {
         loader: fileLoader,

src/clientSideScene/CameraControls.ts

@@ -246,13 +246,31 @@ export class CameraControls {
         camSettings.center.y,
         camSettings.center.z
       )
+      this.camera.up.set(camSettings.up.x, camSettings.up.y, camSettings.up.z)
+      if (this.camera instanceof PerspectiveCamera && camSettings.ortho) {
+        this.useOrthographicCamera()
+      }
+      if (this.camera instanceof OrthographicCamera && !camSettings.ortho) {
+        this.usePerspectiveCamera()
+      }
       if (this.camera instanceof PerspectiveCamera && camSettings.fov_y) {
         this.camera.fov = camSettings.fov_y
       } else if (
         this.camera instanceof OrthographicCamera &&
         camSettings.ortho_scale
       ) {
-        this.camera.zoom = camSettings.ortho_scale
+        const distanceToTarget = new Vector3(
+          camSettings.pos.x,
+          camSettings.pos.y,
+          camSettings.pos.z
+        ).distanceTo(
+          new Vector3(
+            camSettings.center.x,
+            camSettings.center.y,
+            camSettings.center.z
+          )
+        )
+        this.camera.zoom = (camSettings.ortho_scale * 40) / distanceToTarget
       }
       this.onCameraChange()
     }
@@ -965,10 +983,10 @@ export class CameraControls {
 // Pure function helpers
 
 function calculateNearFarFromFOV(fov: number) {
-  const nearFarRatio = (fov - 3) / (45 - 3)
+  // const nearFarRatio = (fov - 3) / (45 - 3)
   // const z_near = 0.1 + nearFarRatio * (5 - 0.1)
-  const z_far = 1000 + nearFarRatio * (100000 - 1000)
+  // const z_far = 1000 + nearFarRatio * (100000 - 1000)
-  return { z_near: 0.1, z_far }
+  return { z_near: 0.1, z_far: 1000 }
 }
 
 function convertThreeCamValuesToEngineCam({
@@ -1043,3 +1061,62 @@ function _getInteractionType(
   if (enableZoom && interactionGuards.zoom.dragCallback(event)) return 'zoom'
   return state
 }
+
+/**
+ * Tells the engine to fire it's animation waits for it to finish and then requests camera settings
+ * to ensure the client-side camera is synchronized with the engine's camera state.
+ *
+ * @param engineCommandManager Our websocket singleton
+ * @param entityId - The ID of face or sketchPlane.
+ */
+
+export async function letEngineAnimateAndSyncCamAfter(
+  engineCommandManager: EngineCommandManager,
+  entityId: string
+) {
+  await engineCommandManager.sendSceneCommand({
+    type: 'modeling_cmd_req',
+    cmd_id: uuidv4(),
+    cmd: {
+      type: 'enable_sketch_mode',
+      adjust_camera: true,
+      animated: !isReducedMotion(),
+      ortho: false,
+      entity_id: entityId,
+    },
+  })
+  // wait 600ms (animation takes 500, + 100 for safety)
+  await new Promise((resolve) =>
+    setTimeout(resolve, isReducedMotion() ? 100 : 600)
+  )
+  await engineCommandManager.sendSceneCommand({
+    // CameraControls subscribes to default_camera_get_settings response events
+    // firing this at connection ensure the camera's are synced initially
+    type: 'modeling_cmd_req',
+    cmd_id: uuidv4(),
+    cmd: {
+      type: 'default_camera_get_settings',
+    },
+  })
+  await engineCommandManager.sendSceneCommand({
+    type: 'modeling_cmd_req',
+    cmd_id: uuidv4(),
+    cmd: {
+      type: 'enable_sketch_mode',
+      adjust_camera: true,
+      animated: false,
+      ortho: true,
+      entity_id: entityId,
+    },
+  })
+  await new Promise((resolve) => setTimeout(resolve, 50))
+  await engineCommandManager.sendSceneCommand({
+    // CameraControls subscribes to default_camera_get_settings response events
+    // firing this at connection ensure the camera's are synced initially
+    type: 'modeling_cmd_req',
+    cmd_id: uuidv4(),
+    cmd: {
+      type: 'default_camera_get_settings',
+    },
+  })
+}

src/clientSideScene/ClientSideSceneComp.tsx

@@ -3,7 +3,6 @@ import { useModelingContext } from 'hooks/useModelingContext'
 
 import { cameraMouseDragGuards } from 'lib/cameraControls'
 import { useSettingsAuthContext } from 'hooks/useSettingsAuthContext'
-import { useStore } from 'useStore'
 import { ARROWHEAD, DEBUG_SHOW_BOTH_SCENES } from './sceneInfra'
 import { ReactCameraProperties } from './CameraControls'
 import { throttle } from 'lib/utils'
@@ -47,10 +46,6 @@ export const ClientSideScene = ({
   const canvasRef = useRef<HTMLDivElement>(null)
   const { state, send, context } = useModelingContext()
   const { hideClient, hideServer } = useShouldHideScene()
-  const { setHighlightRange } = useStore((s) => ({
-    setHighlightRange: s.setHighlightRange,
-    highlightRange: s.highlightRange,
-  }))
 
   // Listen for changes to the camera controls setting
   // and update the client-side scene's controls accordingly.
@@ -69,7 +64,6 @@ export const ClientSideScene = ({
     const canvas = canvasRef.current
     canvas.appendChild(sceneInfra.renderer.domElement)
     sceneInfra.animate()
-    sceneInfra.setHighlightCallback(setHighlightRange)
     canvas.addEventListener('mousemove', sceneInfra.onMouseMove, false)
     canvas.addEventListener('mousedown', sceneInfra.onMouseDown, false)
     canvas.addEventListener('mouseup', sceneInfra.onMouseUp, false)

src/clientSideScene/sceneEntities.ts

@@ -57,6 +57,7 @@ import {
   kclManager,
   sceneInfra,
   codeManager,
+  editorManager,
 } from 'lib/singletons'
 import { getNodeFromPath, getNodePathFromSourceRange } from 'lang/queryAst'
 import { executeAst, useStore } from 'useStore'
@@ -214,8 +215,9 @@ export class SceneEntities {
     const orthoFactor = orthoScale(sceneInfra.camControls.camera)
     const baseXColor = 0x000055
     const baseYColor = 0x550000
-    const xAxisGeometry = new BoxGeometry(100000, 0.3, 0.01)
+    const axisPixelWidth = 1.6
-    const yAxisGeometry = new BoxGeometry(0.3, 100000, 0.01)
+    const xAxisGeometry = new BoxGeometry(100000, axisPixelWidth, 0.01)
+    const yAxisGeometry = new BoxGeometry(axisPixelWidth, 100000, 0.01)
     const xAxisMaterial = new MeshBasicMaterial({
       color: baseXColor,
       depthTest: false,
@@ -1323,30 +1325,31 @@ export class SceneEntities {
         selected.material.color = defaultPlaneColor(type)
       },
       onClick: async (args) => {
-        const checkExtrudeFaceClick = async (): Promise<boolean> => {
+        const checkExtrudeFaceClick = async (): Promise<
+          ['face' | 'plane' | 'other', string]
+        > => {
           const { streamDimensions } = useStore.getState()
           const { entity_id } = await sendSelectEventToEngine(
             args?.mouseEvent,
             document.getElementById('video-stream') as HTMLVideoElement,
             streamDimensions
           )
-          if (!entity_id) return false
+          if (!entity_id) return ['other', '']
+          if (
+            engineCommandManager.defaultPlanes?.xy === entity_id ||
+            engineCommandManager.defaultPlanes?.xz === entity_id ||
+            engineCommandManager.defaultPlanes?.yz === entity_id
+          ) {
+            return ['plane', entity_id]
+          }
           const artifact = this.engineCommandManager.artifactMap[entity_id]
           if (artifact?.commandType !== 'solid3d_get_extrusion_face_info')
-            return false
+            return ['other', entity_id]
-          const faceInfo: Models['FaceIsPlanar_type'] = (
+
-            await this.engineCommandManager.sendSceneCommand({
+          const faceInfo = await getFaceDetails(entity_id)
-              type: 'modeling_cmd_req',
-              cmd_id: uuidv4(),
-              cmd: {
-                type: 'face_is_planar',
-                object_id: entity_id,
-              },
-            })
-          )?.data?.data
           if (!faceInfo?.origin || !faceInfo?.z_axis || !faceInfo?.y_axis)
-            return false
+            return ['other', entity_id]
-          const { z_axis, origin, y_axis } = faceInfo
+          const { z_axis, y_axis, origin } = faceInfo
           const pathToNode = getNodePathFromSourceRange(
             kclManager.ast,
             artifact.range
@@ -1366,12 +1369,15 @@ export class SceneEntities {
                 artifact?.additionalData?.type === 'cap'
                   ? artifact.additionalData.info
                   : 'none',
+              faceId: entity_id,
             },
           })
-          return true
+          return ['face', entity_id]
         }
 
-        if (await checkExtrudeFaceClick()) return
+        const faceResult = await checkExtrudeFaceClick()
+        console.log('faceResult', faceResult)
+        if (faceResult[0] === 'face') return
 
         if (!args || !args.intersects?.[0]) return
         if (args.mouseEvent.which !== 1) return
@@ -1397,6 +1403,7 @@ export class SceneEntities {
             plane: planeString,
             zAxis,
             yAxis,
+            planeId: faceResult[1],
           },
         })
       },
@@ -1423,7 +1430,7 @@ export class SceneEntities {
             parent.userData.pathToNode,
             'CallExpression'
           ).node
-          sceneInfra.highlightCallback([node.start, node.end])
+          editorManager.setHighlightRange([node.start, node.end])
           const yellow = 0xffff00
           colorSegment(selected, yellow)
           const extraSegmentGroup = parent.getObjectByName(EXTRA_SEGMENT_HANDLE)
@@ -1459,10 +1466,10 @@ export class SceneEntities {
           }
           return
         }
-        sceneInfra.highlightCallback([0, 0])
+        editorManager.setHighlightRange([0, 0])
       },
       onMouseLeave: ({ selected, ...rest }: OnMouseEnterLeaveArgs) => {
-        sceneInfra.highlightCallback([0, 0])
+        editorManager.setHighlightRange([0, 0])
         const parent = getParentGroup(selected, [
           STRAIGHT_SEGMENT,
           TANGENTIAL_ARC_TO_SEGMENT,
@@ -1680,7 +1687,7 @@ export async function getSketchOrientationDetails(
   sketchPathToNode: PathToNode
 ): Promise<{
   quat: Quaternion
-  sketchDetails: SketchDetails
+  sketchDetails: SketchDetails & { faceId?: string }
 }> {
   const sketchGroup = sketchGroupFromPathToNode({
     pathToNode: sketchPathToNode,
@@ -1696,20 +1703,13 @@ export async function getSketchOrientationDetails(
         zAxis: [zAxis.x, zAxis.y, zAxis.z],
         yAxis: [sketchGroup.yAxis.x, sketchGroup.yAxis.y, sketchGroup.yAxis.z],
         origin: [0, 0, 0],
+        faceId: sketchGroup.on.id,
       },
     }
   }
   if (sketchGroup.on.type === 'face') {
-    const faceInfo: Models['FaceIsPlanar_type'] = (
+    const faceInfo = await getFaceDetails(sketchGroup.on.faceId)
-      await engineCommandManager.sendSceneCommand({
+
-        type: 'modeling_cmd_req',
-        cmd_id: uuidv4(),
-        cmd: {
-          type: 'face_is_planar',
-          object_id: sketchGroup.on.faceId,
-        },
-      })
-    )?.data?.data
     if (!faceInfo?.origin || !faceInfo?.z_axis || !faceInfo?.y_axis)
       throw new Error('faceInfo')
     const { z_axis, y_axis, origin } = faceInfo
@@ -1724,6 +1724,7 @@ export async function getSketchOrientationDetails(
         zAxis: [z_axis.x, z_axis.y, z_axis.z],
         yAxis: [y_axis.x, y_axis.y, y_axis.z],
         origin: [origin.x, origin.y, origin.z],
+        faceId: sketchGroup.on.faceId,
       },
     }
   }
@@ -1732,6 +1733,46 @@ export async function getSketchOrientationDetails(
   )
 }
 
+/**
+ * Retrieves orientation details for a given entity representing a face (brep face or default plane).
+ * This function asynchronously fetches and returns the origin, x-axis, y-axis, and z-axis details
+ * for a specified entity ID. It is primarily used to obtain the orientation of a face in the scene,
+ * which is essential for calculating the correct positioning and alignment of the client side sketch.
+ *
+ * @param  entityId - The ID of the entity for which orientation details are being fetched.
+ * @returns A promise that resolves with the orientation details of the face.
+ */
+async function getFaceDetails(
+  entityId: string
+): Promise<Models['FaceIsPlanar_type']> {
+  // TODO mode engine connection to allow batching returns and batch the following
+  await engineCommandManager.sendSceneCommand({
+    type: 'modeling_cmd_req',
+    cmd_id: uuidv4(),
+    cmd: {
+      type: 'enable_sketch_mode',
+      adjust_camera: false,
+      animated: false,
+      ortho: false,
+      entity_id: entityId,
+    },
+  })
+  // TODO change typing to get_sketch_mode_plane once lib is updated
+  const faceInfo: Models['FaceIsPlanar_type'] = (
+    await engineCommandManager.sendSceneCommand({
+      type: 'modeling_cmd_req',
+      cmd_id: uuidv4(),
+      cmd: { type: 'get_sketch_mode_plane' },
+    })
+  )?.data?.data
+  await engineCommandManager.sendSceneCommand({
+    type: 'modeling_cmd_req',
+    cmd_id: uuidv4(),
+    cmd: { type: 'sketch_mode_disable' },
+  })
+  return faceInfo
+}
+
 export function getQuaternionFromZAxis(zAxis: Vector3): Quaternion {
   const dummyCam = new PerspectiveCamera()
   dummyCam.up.set(0, 0, 1)

src/clientSideScene/sceneInfra.ts

@@ -24,7 +24,6 @@ import {
 import { compareVec2Epsilon2 } from 'lang/std/sketch'
 import { useModelingContext } from 'hooks/useModelingContext'
 import * as TWEEN from '@tweenjs/tween.js'
-import { SourceRange } from 'lang/wasm'
 import { Axis } from 'lib/selections'
 import { type BaseUnit } from 'lib/settings/settingsTypes'
 import { CameraControls } from './CameraControls'
@@ -149,10 +148,6 @@ export class SceneInfra {
       onMouseLeave: () => {},
     })
   }
-  highlightCallback: (a: SourceRange) => void = () => {}
-  setHighlightCallback(cb: (a: SourceRange) => void) {
-    this.highlightCallback = cb
-  }
 
   modelingSend: SendType = (() => {}) as any
   setSend(send: SendType) {

src/components/AstExplorer.tsx

@@ -1,11 +1,9 @@
 import { useModelingContext } from 'hooks/useModelingContext'
-import { kclManager } from 'lib/singletons'
+import { editorManager, kclManager } from 'lib/singletons'
 import { getNodeFromPath, getNodePathFromSourceRange } from 'lang/queryAst'
 import { useEffect, useRef, useState } from 'react'
-import { useStore } from 'useStore'
 
 export function AstExplorer() {
-  const setHighlightRange = useStore((s) => s.setHighlightRange)
   const { context } = useModelingContext()
   const pathToNode = getNodePathFromSourceRange(
     // TODO maybe need to have callback to make sure it stays in sync
@@ -42,7 +40,7 @@ export function AstExplorer() {
       <div
         className="h-full relative"
         onMouseLeave={(e) => {
-          setHighlightRange([0, 0])
+          editorManager.setHighlightRange([0, 0])
         }}
       >
         <pre className="text-xs">
@@ -88,7 +86,6 @@ function DisplayObj({
   filterKeys: string[]
   node: any
 }) {
-  const setHighlightRange = useStore((s) => s.setHighlightRange)
   const { send } = useModelingContext()
   const ref = useRef<HTMLPreElement>(null)
   const [hasCursor, setHasCursor] = useState(false)
@@ -112,12 +109,12 @@ function DisplayObj({
         hasCursor ? 'bg-violet-100/80 dark:bg-violet-100/25' : ''
       }`}
       onMouseEnter={(e) => {
-        setHighlightRange([obj?.start || 0, obj.end])
+        editorManager.setHighlightRange([obj?.start || 0, obj.end])
         e.stopPropagation()
       }}
       onMouseMove={(e) => {
         e.stopPropagation()
-        setHighlightRange([obj?.start || 0, obj.end])
+        editorManager.setHighlightRange([obj?.start || 0, obj.end])
       }}
       onClick={(e) => {
         send({

src/components/CommandBar/CommandBarProvider.tsx

@@ -1,6 +1,7 @@
 import { useMachine } from '@xstate/react'
+import { editorManager } from 'lib/singletons'
 import { commandBarMachine } from 'machines/commandBarMachine'
-import { createContext } from 'react'
+import { createContext, useEffect } from 'react'
 import { EventFrom, StateFrom } from 'xstate'
 
 type CommandsContextType = {
@@ -30,6 +31,10 @@ export const CommandBarProvider = ({
     },
   })
 
+  useEffect(() => {
+    editorManager.setCommandBarSend(commandBarSend)
+  })
+
   return (
     <CommandsContext.Provider
       value={{

src/components/CommandBar/CommandBarSelectionInput.tsx

@@ -3,13 +3,12 @@ import { useCommandsContext } from 'hooks/useCommandsContext'
 import { useKclContext } from 'lang/KclProvider'
 import { CommandArgument } from 'lib/commandTypes'
 import {
-  ResolvedSelectionType,
   canSubmitSelectionArg,
   getSelectionType,
   getSelectionTypeDisplayText,
 } from 'lib/selections'
 import { modelingMachine } from 'machines/modelingMachine'
-import { useEffect, useRef, useState } from 'react'
+import { useCallback, useEffect, useRef, useState } from 'react'
 import { useHotkeys } from 'react-hotkeys-hook'
 import { StateFrom } from 'xstate'
 
@@ -30,13 +29,13 @@ function CommandBarSelectionInput({
   const { commandBarState, commandBarSend } = useCommandsContext()
   const [hasSubmitted, setHasSubmitted] = useState(false)
   const selection = useSelector(arg.machineActor, selectionSelector)
-  const [selectionsByType, setSelectionsByType] = useState<
+  const initSelectionsByType = useCallback(() => {
-    'none' | ResolvedSelectionType[]
+    const selectionRangeEnd = selection.codeBasedSelections[0]?.range[1]
-  >(
+    return !selectionRangeEnd || selectionRangeEnd === code.length
-    selection.codeBasedSelections[0]?.range[1] === code.length
       ? 'none'
       : getSelectionType(selection)
-  )
+  }, [selection, code])
+  const selectionsByType = initSelectionsByType()
   const [canSubmitSelection, setCanSubmitSelection] = useState<boolean>(
     canSubmitSelectionArg(selectionsByType, arg)
   )
@@ -51,17 +50,14 @@ function CommandBarSelectionInput({
     inputRef.current?.focus()
   }, [selection, inputRef])
 
-  useEffect(() => {
-    setSelectionsByType(
-      selection.codeBasedSelections[0]?.range[1] === code.length
-        ? 'none'
-        : getSelectionType(selection)
-    )
-  }, [selection])
-
   // Fast-forward through this arg if it's marked as skippable
   // and we have a valid selection already
   useEffect(() => {
+    console.log('selection input effect', {
+      selectionsByType,
+      canSubmitSelection,
+      arg,
+    })
     setCanSubmitSelection(canSubmitSelectionArg(selectionsByType, arg))
     const argValue = commandBarState.context.argumentsToSubmit[arg.name]
     if (canSubmitSelection && arg.skip && argValue === undefined) {

src/components/FileMachineProvider.tsx

@@ -15,10 +15,10 @@ import {
 import { useCommandsContext } from 'hooks/useCommandsContext'
 import { fileMachine } from 'machines/fileMachine'
 import { mkdir, remove, rename, create } from '@tauri-apps/plugin-fs'
-import { readProject } from 'lib/tauriFS'
 import { isTauri } from 'lib/isTauri'
 import { join, sep } from '@tauri-apps/api/path'
 import { DEFAULT_FILE_NAME, FILE_EXT } from 'lib/constants'
+import { getProjectInfo } from 'lib/tauri'
 
 type MachineContext<T extends AnyStateMachine> = {
   state: StateFrom<T>
@@ -62,7 +62,7 @@ export const FileMachineProvider = ({
     services: {
       readFiles: async (context: ContextFrom<typeof fileMachine>) => {
         const newFiles = isTauri()
-          ? await readProject(context.project.path)
+          ? (await getProjectInfo(context.project.path)).children
           : []
         return {
           ...context.project,

src/components/FileTree.tsx

@@ -3,7 +3,7 @@ import { paths } from 'lib/paths'
 import { ActionButton } from './ActionButton'
 import Tooltip from './Tooltip'
 import { Dispatch, useEffect, useRef, useState } from 'react'
-import { useNavigate } from 'react-router-dom'
+import { useNavigate, useRouteLoaderData } from 'react-router-dom'
 import { Dialog, Disclosure } from '@headlessui/react'
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
 import { faChevronRight, faTrashAlt } from '@fortawesome/free-solid-svg-icons'
@@ -133,18 +133,13 @@ const FileTreeItem = ({
   project,
   currentFile,
   fileOrDir,
-  closePanel,
+  onDoubleClick,
   level = 0,
 }: {
   project?: IndexLoaderData['project']
   currentFile?: IndexLoaderData['file']
   fileOrDir: FileEntry
-  closePanel: (
+  onDoubleClick?: () => void
-    focusableElement?:
-      | HTMLElement
-      | React.MutableRefObject<HTMLElement | null>
-      | undefined
-  ) => void
   level?: number
 }) => {
   const { send, context } = useFileContext()
@@ -186,7 +181,7 @@ const FileTreeItem = ({
       // Open kcl files
       navigate(`${paths.FILE}/${encodeURIComponent(fileOrDir.path)}`)
     }
-    closePanel()
+    onDoubleClick?.()
   }
 
   return (
@@ -194,8 +189,10 @@ const FileTreeItem = ({
       {fileOrDir.children === undefined ? (
         <li
           className={
-            'group m-0 p-0 border-solid border-0 hover:text-primary hover:bg-primary/5 focus-within:bg-primary/5 ' +
+            'group m-0 p-0 border-solid border-0 hover:bg-primary/5 focus-within:bg-primary/5 dark:hover:bg-primary/20 dark:focus-within:bg-primary/20 ' +
-            (isCurrentFile ? '!bg-primary/10 !text-primary' : '')
+            (isCurrentFile
+              ? '!bg-primary/10 !text-primary dark:!bg-primary/20 dark:!text-inherit'
+              : '')
           }
         >
           {!isRenaming ? (
@@ -227,9 +224,9 @@ const FileTreeItem = ({
               {!isRenaming ? (
                 <Disclosure.Button
                   className={
-                    ' group border-none text-sm rounded-none p-0 m-0 flex items-center justify-start w-full py-0.5 hover:text-primary hover:bg-primary/5' +
+                    ' group border-none text-sm rounded-none p-0 m-0 flex items-center justify-start w-full py-0.5 hover:text-primary hover:bg-primary/5 dark:hover:text-inherit dark:hover:bg-primary/10' +
                     (context.selectedDirectory.path.includes(fileOrDir.path)
-                      ? ' ui-open:text-primary'
+                      ? ' ui-open:bg-primary/10'
                       : '')
                   }
                   style={{ paddingInlineStart: getIndentationCSS(level) }}
@@ -293,7 +290,7 @@ const FileTreeItem = ({
                       fileOrDir={child}
                       project={project}
                       currentFile={currentFile}
-                      closePanel={closePanel}
+                      onDoubleClick={onDoubleClick}
                       level={level + 1}
                       key={level + '-' + child.path}
                     />
@@ -325,20 +322,8 @@ interface FileTreeProps {
   ) => void
 }
 
-export const FileTree = ({
+export const FileTreeMenu = () => {
-  className = '',
+  const { send } = useFileContext()
-  file,
-  closePanel,
-}: FileTreeProps) => {
-  const { send, context } = useFileContext()
-  const docuemntHasFocus = useDocumentHasFocus()
-  useHotkeys('meta + n', createFile)
-  useHotkeys('meta + shift + n', createFolder)
-
-  // Refresh the file tree when the document gets focus
-  useEffect(() => {
-    send({ type: 'Refresh' })
-  }, [docuemntHasFocus])
 
   async function createFile() {
     send({ type: 'Create file', data: { name: '', makeDir: false } })
@@ -348,58 +333,88 @@ export const FileTree = ({
     send({ type: 'Create file', data: { name: '', makeDir: true } })
   }
 
+  useHotkeys('meta + n', createFile)
+  useHotkeys('meta + shift + n', createFolder)
+
+  return (
+    <>
+      <ActionButton
+        Element="button"
+        icon={{
+          icon: 'filePlus',
+          iconClassName: '!text-current',
+          bgClassName: 'bg-transparent',
+        }}
+        className="!p-0 !bg-transparent hover:text-primary border-transparent hover:border-primary !outline-none"
+        onClick={createFile}
+      >
+        <Tooltip position="bottom-right" delay={750}>
+          Create file
+        </Tooltip>
+      </ActionButton>
+
+      <ActionButton
+        Element="button"
+        icon={{
+          icon: 'folderPlus',
+          iconClassName: '!text-current',
+          bgClassName: 'bg-transparent',
+        }}
+        className="!p-0 !bg-transparent hover:text-primary border-transparent hover:border-primary !outline-none"
+        onClick={createFolder}
+      >
+        <Tooltip position="bottom-right" delay={750}>
+          Create folder
+        </Tooltip>
+      </ActionButton>
+    </>
+  )
+}
+
+export const FileTree = ({ className = '', closePanel }: FileTreeProps) => {
   return (
     <div className={className}>
       <div className="flex items-center gap-1 px-4 py-1 bg-chalkboard-20/40 dark:bg-chalkboard-80/50 border-b border-b-chalkboard-30 dark:border-b-chalkboard-80">
         <h2 className="flex-1 m-0 p-0 text-sm mono">Files</h2>
-        <ActionButton
+        <FileTreeMenu />
-          Element="button"
-          icon={{
-            icon: 'filePlus',
-            iconClassName: '!text-current',
-            bgClassName: 'bg-transparent',
-          }}
-          className="!p-0 !bg-transparent hover:text-primary border-transparent hover:border-primary !outline-none"
-          onClick={createFile}
-        >
-          <Tooltip position="bottom-right" delay={750}>
-            Create file
-          </Tooltip>
-        </ActionButton>
-
-        <ActionButton
-          Element="button"
-          icon={{
-            icon: 'folderPlus',
-            iconClassName: '!text-current',
-            bgClassName: 'bg-transparent',
-          }}
-          className="!p-0 !bg-transparent hover:text-primary border-transparent hover:border-primary !outline-none"
-          onClick={createFolder}
-        >
-          <Tooltip position="bottom-right" delay={750}>
-            Create folder
-          </Tooltip>
-        </ActionButton>
-      </div>
-      <div className="overflow-auto max-h-full pb-12">
-        <ul
-          className="m-0 p-0 text-sm"
-          onClickCapture={(e) => {
-            send({ type: 'Set selected directory', data: context.project })
-          }}
-        >
-          {sortProject(context.project.children || []).map((fileOrDir) => (
-            <FileTreeItem
-              project={context.project}
-              currentFile={file}
-              fileOrDir={fileOrDir}
-              closePanel={closePanel}
-              key={fileOrDir.path}
-            />
-          ))}
-        </ul>
       </div>
+      <FileTreeInner onDoubleClick={closePanel} />
+    </div>
+  )
+}
+
+export const FileTreeInner = ({
+  onDoubleClick,
+}: {
+  onDoubleClick?: () => void
+}) => {
+  const loaderData = useRouteLoaderData(paths.FILE) as IndexLoaderData
+  const { send, context } = useFileContext()
+  const documentHasFocus = useDocumentHasFocus()
+
+  // Refresh the file tree when the document gets focus
+  useEffect(() => {
+    send({ type: 'Refresh' })
+  }, [documentHasFocus])
+
+  return (
+    <div className="overflow-auto max-h-full pb-12">
+      <ul
+        className="m-0 p-0 text-sm"
+        onClickCapture={(e) => {
+          send({ type: 'Set selected directory', data: context.project })
+        }}
+      >
+        {sortProject(context.project.children || []).map((fileOrDir) => (
+          <FileTreeItem
+            project={context.project}
+            currentFile={loaderData?.file}
+            fileOrDir={fileOrDir}
+            onDoubleClick={onDoubleClick}
+            key={fileOrDir.path}
+          />
+        ))}
+      </ul>
     </div>
   )
 }

src/components/HelpMenu.tsx

@@ -94,10 +94,7 @@ export function HelpMenu(props: React.PropsWithChildren) {
             if (isInProject) {
               navigate('onboarding')
             } else {
-              createAndOpenNewProject(
+              createAndOpenNewProject(navigate)
-                settings.context.app.projectDirectory.current,
-                navigate
-              )
             }
           }}
         >

src/components/ModelingMachineProvider.tsx

@@ -17,6 +17,7 @@ import {
   sceneInfra,
   engineCommandManager,
   codeManager,
+  editorManager,
 } from 'lib/singletons'
 import { applyConstraintHorzVertDistance } from './Toolbar/SetHorzVertDistance'
 import {
@@ -53,10 +54,9 @@ import { exportFromEngine } from 'lib/exportFromEngine'
 import { Models } from '@kittycad/lib/dist/types/src'
 import toast from 'react-hot-toast'
 import { EditorSelection } from '@uiw/react-codemirror'
-import { Vector3 } from 'three'
-import { quaternionFromUpNForward } from 'clientSideScene/helpers'
 import { CoreDumpManager } from 'lib/coredump'
 import { useHotkeys } from 'react-hotkeys-hook'
+import { letEngineAnimateAndSyncCamAfter } from 'clientSideScene/CameraControls'
 
 type MachineContext<T extends AnyStateMachine> = {
   state: StateFrom<T>
@@ -77,7 +77,7 @@ export const ModelingMachineProvider = ({
     auth,
     settings: {
       context: {
-        app: { theme },
+        app: { theme, enableSSAO },
         modeling: { defaultUnit, highlightEdges },
       },
     },
@@ -87,6 +87,7 @@ export const ModelingMachineProvider = ({
   useSetupEngineManager(streamRef, token, {
     theme: theme.current,
     highlightEdges: highlightEdges.current,
+    enableSSAO: enableSSAO.current,
   })
   const { htmlRef } = useStore((s) => ({
     htmlRef: s.htmlRef,
@@ -98,17 +99,6 @@ export const ModelingMachineProvider = ({
   )
   useHotkeys('meta + shift + .', () => coreDump(coreDumpManager, true))
 
-  const {
-    isShiftDown,
-    editorView,
-    setLastCodeMirrorSelectionUpdatedFromScene,
-  } = useStore((s) => ({
-    isShiftDown: s.isShiftDown,
-    editorView: s.editorView,
-    setLastCodeMirrorSelectionUpdatedFromScene:
-      s.setLastCodeMirrorSelectionUpdatedFromScene,
-  }))
-
   // Settings machine setup
   // const retrievedSettings = useRef(
   // localStorage?.getItem(MODELING_PERSIST_KEY) || '{}'
@@ -135,29 +125,33 @@ export const ModelingMachineProvider = ({
         'Set selection': assign(({ selectionRanges }, event) => {
           if (event.type !== 'Set selection') return {} // this was needed for ts after adding 'Set selection' action to on done modal events
           const setSelections = event.data
-          if (!editorView) return {}
+          if (!editorManager.editorView) return {}
           const dispatchSelection = (selection?: EditorSelection) => {
             if (!selection) return // TODO less of hack for the below please
-            setLastCodeMirrorSelectionUpdatedFromScene(Date.now())
+            editorManager.lastSelectionEvent = Date.now()
-            setTimeout(() => editorView.dispatch({ selection }))
+            setTimeout(() => {
+              if (editorManager.editorView) {
+                editorManager.editorView.dispatch({ selection })
+              }
+            })
           }
           let selections: Selections = {
             codeBasedSelections: [],
             otherSelections: [],
           }
           if (setSelections.selectionType === 'singleCodeCursor') {
-            if (!setSelections.selection && isShiftDown) {
+            if (!setSelections.selection && editorManager.isShiftDown) {
-            } else if (!setSelections.selection && !isShiftDown) {
+            } else if (!setSelections.selection && !editorManager.isShiftDown) {
               selections = {
                 codeBasedSelections: [],
                 otherSelections: [],
               }
-            } else if (setSelections.selection && !isShiftDown) {
+            } else if (setSelections.selection && !editorManager.isShiftDown) {
               selections = {
                 codeBasedSelections: [setSelections.selection],
                 otherSelections: [],
               }
-            } else if (setSelections.selection && isShiftDown) {
+            } else if (setSelections.selection && editorManager.isShiftDown) {
               selections = {
                 codeBasedSelections: [
                   ...selectionRanges.codeBasedSelections,
@@ -180,6 +174,7 @@ export const ModelingMachineProvider = ({
                 engineCommandManager.sendSceneCommand(event)
               )
             updateSceneObjectColors()
+
             return {
               selectionRanges: selections,
             }
@@ -192,7 +187,7 @@ export const ModelingMachineProvider = ({
           }
 
           if (setSelections.selectionType === 'otherSelection') {
-            if (isShiftDown) {
+            if (editorManager.isShiftDown) {
               selections = {
                 codeBasedSelections: selectionRanges.codeBasedSelections,
                 otherSelections: [setSelections.selection],
@@ -273,10 +268,12 @@ export const ModelingMachineProvider = ({
         'has valid extrude selection': ({ selectionRanges }) => {
           // A user can begin extruding if they either have 1+ faces selected or nothing selected
           // TODO: I believe this guard only allows for extruding a single face at a time
-          if (selectionRanges.codeBasedSelections.length < 1) return false
           const isPipe = isSketchPipe(selectionRanges)
 
-          if (isSelectionLastLine(selectionRanges, codeManager.code))
+          if (
+            selectionRanges.codeBasedSelections.length === 0 ||
+            isSelectionLastLine(selectionRanges, codeManager.code)
+          )
             return true
           if (!isPipe) return false
 
@@ -324,16 +321,9 @@ export const ModelingMachineProvider = ({
               )
             await kclManager.executeAstMock(modifiedAst)
 
-            const forward = new Vector3(...data.zAxis)
+            await letEngineAnimateAndSyncCamAfter(
-            const up = new Vector3(...data.yAxis)
+              engineCommandManager,
-
+              data.faceId
-            let target = new Vector3(...data.position).multiplyScalar(
-              sceneInfra._baseUnitMultiplier
-            )
-            const quaternion = quaternionFromUpNForward(up, forward)
-            await sceneInfra.camControls.tweenCameraToQuaternion(
-              quaternion,
-              target
             )
 
             return {
@@ -348,6 +338,7 @@ export const ModelingMachineProvider = ({
             data.plane
           )
           await kclManager.updateAst(modifiedAst, false)
+          sceneInfra.camControls.syncDirection = 'clientToEngine'
           const quat = await getSketchQuaternion(pathToNode, data.zAxis)
           await sceneInfra.camControls.tweenCameraToQuaternion(quat)
           return {
@@ -364,9 +355,9 @@ export const ModelingMachineProvider = ({
             sourceRange
           )
           const info = await getSketchOrientationDetails(sketchPathToNode || [])
-          await sceneInfra.camControls.tweenCameraToQuaternion(
+          await letEngineAnimateAndSyncCamAfter(
-            info.quat,
+            engineCommandManager,
-            new Vector3(...info.sketchDetails.origin)
+            info?.sketchDetails?.faceId || ''
           )
           return {
             sketchPathToNode: sketchPathToNode || [],
@@ -516,6 +507,19 @@ export const ModelingMachineProvider = ({
     })
   }, [modelingSend])
 
+  // Give the state back to the editorManager.
+  useEffect(() => {
+    editorManager.modelingSend = modelingSend
+  }, [modelingSend])
+
+  useEffect(() => {
+    editorManager.modelingEvent = modelingState.event
+  }, [modelingState.event])
+
+  useEffect(() => {
+    editorManager.selectionRanges = modelingState.context.selectionRanges
+  }, [modelingState.context.selectionRanges])
+
   useStateMachineCommands({
     machineId: 'modeling',
     state: modelingState,

src/components/ModelingSidebar/ModelingPanes/KclEditorPane.tsx

@@ -1,13 +1,8 @@
-import { undo, redo } from '@codemirror/commands'
 import ReactCodeMirror from '@uiw/react-codemirror'
 import { TEST } from 'env'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { useSettingsAuthContext } from 'hooks/useSettingsAuthContext'
-import { useConvertToVariable } from 'hooks/useToolbarGuards'
 import { Themes, getSystemTheme } from 'lib/theme'
-import { useEffect, useMemo, useRef } from 'react'
+import { useEffect, useMemo } from 'react'
-import { useStore } from 'useStore'
-import { processCodeMirrorRanges } from 'lib/selections'
 import { highlightSelectionMatches, searchKeymap } from '@codemirror/search'
 import { lineHighlightField } from 'editor/highlightextension'
 import { roundOff } from 'lib/utils'
@@ -21,7 +16,6 @@ import {
   EditorView,
   dropCursor,
   drawSelection,
-  ViewUpdate,
 } from '@codemirror/view'
 import {
   indentWithTab,
@@ -29,7 +23,7 @@ import {
   historyKeymap,
   history,
 } from '@codemirror/commands'
-import { lintGutter, lintKeymap, linter } from '@codemirror/lint'
+import { lintGutter, lintKeymap } from '@codemirror/lint'
 import {
   foldGutter,
   foldKeymap,
@@ -39,25 +33,20 @@ import {
   syntaxHighlighting,
   defaultHighlightStyle,
 } from '@codemirror/language'
-import { useModelingContext } from 'hooks/useModelingContext'
 import interact from '@replit/codemirror-interact'
-import { engineCommandManager, sceneInfra, kclManager } from 'lib/singletons'
+import { kclManager, editorManager, codeManager } from 'lib/singletons'
-import { useKclContext } from 'lang/KclProvider'
-import { ModelingMachineEvent } from 'machines/modelingMachine'
 import { useHotkeys } from 'react-hotkeys-hook'
 import { isTauri } from 'lib/isTauri'
 import { useNavigate } from 'react-router-dom'
 import { paths } from 'lib/paths'
 import makeUrlPathRelative from 'lib/makeUrlPathRelative'
 import { useLspContext } from 'components/LspProvider'
-import { Prec, EditorState, Extension, SelectionRange } from '@codemirror/state'
+import { Prec, EditorState, Extension } from '@codemirror/state'
 import {
   closeBrackets,
   closeBracketsKeymap,
   completionKeymap,
-  hasNextSnippetField,
 } from '@codemirror/autocomplete'
-import { kclErrorsToDiagnostics } from 'lang/errors'
 
 export const editorShortcutMeta = {
   formatCode: {
@@ -77,13 +66,6 @@ export const KclEditorPane = () => {
     context.app.theme.current === Themes.System
       ? getSystemTheme()
       : context.app.theme.current
-  const { editorView, setEditorView, isShiftDown } = useStore((s) => ({
-    editorView: s.editorView,
-    setEditorView: s.setEditorView,
-    isShiftDown: s.isShiftDown,
-  }))
-  const { editorCode, errors } = useKclContext()
-  const lastEvent = useRef({ event: '', time: Date.now() })
   const { copilotLSP, kclLSP } = useLspContext()
   const navigate = useNavigate()
 
@@ -96,90 +78,15 @@ export const KclEditorPane = () => {
 
   useHotkeys('mod+z', (e) => {
     e.preventDefault()
-    if (editorView) {
+    editorManager.undo()
-      undo(editorView)
-    }
   })
   useHotkeys('mod+shift+z', (e) => {
     e.preventDefault()
-    if (editorView) {
+    editorManager.redo()
-      redo(editorView)
-    }
   })
 
-  const {
+  const textWrapping = context.textEditor.textWrapping
-    context: { selectionRanges },
+  const cursorBlinking = context.textEditor.blinkingCursor
-    send,
-    state,
-  } = useModelingContext()
-
-  const { settings } = useSettingsAuthContext()
-  const textWrapping = settings.context.textEditor.textWrapping
-  const cursorBlinking = settings.context.textEditor.blinkingCursor
-  const { commandBarSend } = useCommandsContext()
-  const { enable: convertEnabled, handleClick: convertCallback } =
-    useConvertToVariable()
-
-  const lastSelection = useRef('')
-  const onUpdate = (viewUpdate: ViewUpdate) => {
-    // If we are just fucking around in a snippet, return early and don't
-    // trigger stuff below that might cause the component to re-render.
-    // Otherwise we will not be able to tab thru the snippet portions.
-    // We explicitly dont check HasPrevSnippetField because we always add
-    // a ${} to the end of the function so that's fine.
-    if (hasNextSnippetField(viewUpdate.view.state)) {
-      return
-    }
-    if (!editorView) {
-      setEditorView(viewUpdate.view)
-    }
-    const selString = stringifyRanges(
-      viewUpdate?.state?.selection?.ranges || []
-    )
-    if (selString === lastSelection.current) {
-      // onUpdate is noisy and is fired a lot by extensions
-      // since we're only interested in selections changes we can ignore most of these.
-      return
-    }
-    lastSelection.current = selString
-
-    if (
-      // TODO find a less lazy way of getting the last
-      Date.now() - useStore.getState().lastCodeMirrorSelectionUpdatedFromScene <
-      150
-    )
-      return // update triggered by scene selection
-    if (sceneInfra.selected) return // mid drag
-    const ignoreEvents: ModelingMachineEvent['type'][] = [
-      'Equip Line tool',
-      'Equip tangential arc to',
-    ]
-    if (ignoreEvents.includes(state.event.type)) return
-    const eventInfo = processCodeMirrorRanges({
-      codeMirrorRanges: viewUpdate.state.selection.ranges,
-      selectionRanges,
-      isShiftDown,
-    })
-    if (!eventInfo) return
-    const deterministicEventInfo = {
-      ...eventInfo,
-      engineEvents: eventInfo.engineEvents.map((e) => ({
-        ...e,
-        cmd_id: 'static',
-      })),
-    }
-    const stringEvent = JSON.stringify(deterministicEventInfo)
-    if (
-      stringEvent === lastEvent.current.event &&
-      Date.now() - lastEvent.current.time < 500
-    )
-      return // don't repeat events
-    lastEvent.current = { event: stringEvent, time: Date.now() }
-    send(eventInfo.modelingEvent)
-    eventInfo.engineEvents.forEach((event) =>
-      engineCommandManager.sendSceneCommand(event)
-    )
-  }
 
   const editorExtensions = useMemo(() => {
     const extensions = [
@@ -202,7 +109,7 @@ export const KclEditorPane = () => {
         {
           key: 'Meta-k',
           run: () => {
-            commandBarSend({ type: 'Open' })
+            editorManager.commandBarSend({ type: 'Open' })
             return false
           },
         },
@@ -216,11 +123,7 @@ export const KclEditorPane = () => {
         {
           key: editorShortcutMeta.convertToVariable.codeMirror,
           run: () => {
-            if (convertEnabled) {
+            return editorManager.convertToVariable()
-              convertCallback()
-              return true
-            }
-            return false
           },
         },
       ]),
@@ -233,9 +136,6 @@ export const KclEditorPane = () => {
     if (!TEST) {
       extensions.push(
         lintGutter(),
-        linter((_view: EditorView) => {
-          return kclErrorsToDiagnostics(errors)
-        }),
         lineNumbers(),
         highlightActiveLineGutter(),
         highlightSpecialChars(),
@@ -288,13 +188,7 @@ export const KclEditorPane = () => {
     }
 
     return extensions
-  }, [
+  }, [kclLSP, copilotLSP, textWrapping.current, cursorBlinking.current])
-    kclLSP,
-    copilotLSP,
-    textWrapping.current,
-    cursorBlinking.current,
-    convertCallback,
-  ])
 
   return (
     <div
@@ -302,18 +196,15 @@ export const KclEditorPane = () => {
       className={'absolute inset-0 ' + (cursorBlinking.current ? 'blink' : '')}
     >
       <ReactCodeMirror
-        value={editorCode}
+        value={codeManager.code}
         extensions={editorExtensions}
-        onUpdate={onUpdate}
         theme={theme}
-        onCreateEditor={(_editorView) => setEditorView(_editorView)}
+        onCreateEditor={(_editorView) =>
+          editorManager.setEditorView(_editorView)
+        }
         indentWithTab={false}
         basicSetup={false}
       />
     </div>
   )
 }
-
-function stringifyRanges(ranges: readonly SelectionRange[]): string {
-  return ranges.map(({ to, from }) => `${to}->${from}`).join('&')
-}

src/components/ModelingSidebar/ModelingPanes/MemoryPane.test.tsx

@@ -2,7 +2,9 @@ import { processMemory } from './MemoryPane'
 import { enginelessExecutor } from '../../../lib/testHelpers'
 import { initPromise, parse } from '../../../lang/wasm'
 
-beforeAll(() => initPromise)
+beforeAll(async () => {
+  await initPromise
+})
 
 describe('processMemory', () => {
   it('should grab the values and remove and geo data', async () => {

src/components/ModelingSidebar/ModelingPanes/index.ts

@@ -10,21 +10,32 @@ import { KclEditorMenu } from 'components/ModelingSidebar/ModelingPanes/KclEdito
 import { CustomIconName } from 'components/CustomIcon'
 import { KclEditorPane } from 'components/ModelingSidebar/ModelingPanes/KclEditorPane'
 import { ReactNode } from 'react'
-import type { PaneType } from 'useStore'
 import { MemoryPane } from './MemoryPane'
 import { KclErrorsPane, LogsPane } from './LoggingPanes'
 import { DebugPane } from './DebugPane'
+import { FileTreeInner, FileTreeMenu } from 'components/FileTree'
 
-export type Pane = {
+export type SidebarType =
-  id: PaneType
+  | 'code'
+  | 'debug'
+  | 'export'
+  | 'files'
+  | 'kclErrors'
+  | 'logs'
+  | 'lspMessages'
+  | 'variables'
+
+export type SidebarPane = {
+  id: SidebarType
   title: string
   icon: CustomIconName | IconDefinition
+  keybinding: string
   Content: ReactNode | React.FC
   Menu?: ReactNode | React.FC
-  keybinding: string
+  hideOnPlatform?: 'desktop' | 'web'
 }
 
-export const topPanes: Pane[] = [
+export const topPanes: SidebarPane[] = [
   {
     id: 'code',
     title: 'KCL Code',
@@ -33,9 +44,18 @@ export const topPanes: Pane[] = [
     keybinding: 'shift + c',
     Menu: KclEditorMenu,
   },
+  {
+    id: 'files',
+    title: 'Project Files',
+    icon: 'folder',
+    Content: FileTreeInner,
+    keybinding: 'shift + f',
+    Menu: FileTreeMenu,
+    hideOnPlatform: 'web',
+  },
 ]
 
-export const bottomPanes: Pane[] = [
+export const bottomPanes: SidebarPane[] = [
   {
     id: 'variables',
     title: 'Variables',

src/components/ModelingSidebar/ModelingSidebar.tsx

@@ -2,13 +2,19 @@ import { useSettingsAuthContext } from 'hooks/useSettingsAuthContext'
 import { Resizable } from 're-resizable'
 import { useCallback, useEffect, useState } from 'react'
 import { useHotkeys } from 'react-hotkeys-hook'
-import { PaneType, useStore } from 'useStore'
+import { useStore } from 'useStore'
 import { Tab } from '@headlessui/react'
-import { Pane, bottomPanes, topPanes } from './ModelingPanes'
+import {
+  SidebarPane,
+  SidebarType,
+  bottomPanes,
+  topPanes,
+} from './ModelingPanes'
 import Tooltip from 'components/Tooltip'
 import { ActionIcon } from 'components/ActionIcon'
 import styles from './ModelingSidebar.module.css'
 import { ModelingPane } from './ModelingPane'
+import { isTauri } from 'lib/isTauri'
 
 interface ModelingSidebarProps {
   paneOpacity: '' | 'opacity-20' | 'opacity-40'
@@ -52,7 +58,7 @@ export function ModelingSidebar({ paneOpacity }: ModelingSidebarProps) {
 }
 
 interface ModelingSidebarSectionProps {
-  panes: Pane[]
+  panes: SidebarPane[]
   alignButtons?: 'start' | 'end'
 }
 
@@ -69,11 +75,11 @@ function ModelingSidebarSection({
   }))
   const foundOpenPane = openPanes.find((pane) => paneIds.includes(pane))
   const [currentPane, setCurrentPane] = useState(
-    foundOpenPane || ('none' as PaneType | 'none')
+    foundOpenPane || ('none' as SidebarType | 'none')
   )
 
   const togglePane = useCallback(
-    (newPane: PaneType | 'none') => {
+    (newPane: SidebarType | 'none') => {
       if (newPane === 'none') {
         setOpenPanes(openPanes.filter((p) => p !== currentPane))
         setCurrentPane('none')
@@ -90,9 +96,15 @@ function ModelingSidebarSection({
 
   // Filter out the debug panel if it's not supposed to be shown
   // TODO: abstract out for allowing user to configure which panes to show
-  const filteredPanes = showDebugPanel.current
+  const filteredPanes = (
-    ? panes
+    showDebugPanel.current ? panes : panes.filter((pane) => pane.id !== 'debug')
-    : panes.filter((pane) => pane.id !== 'debug')
+  ).filter(
+    (pane) =>
+      !pane.hideOnPlatform ||
+      (isTauri()
+        ? pane.hideOnPlatform === 'web'
+        : pane.hideOnPlatform === 'desktop')
+  )
   useEffect(() => {
     if (
       !showDebugPanel.current &&
@@ -168,8 +180,8 @@ function ModelingSidebarSection({
 }
 
 interface ModelingPaneButtonProps {
-  paneConfig: Pane
+  paneConfig: SidebarPane
-  currentPane: PaneType | 'none'
+  currentPane: SidebarType | 'none'
   togglePane: () => void
 }
 

src/components/ProjectCard.tsx

@@ -1,5 +1,4 @@
 import { FormEvent, useEffect, useRef, useState } from 'react'
-import { type ProjectWithEntryPointMetadata } from 'lib/types'
 import { paths } from 'lib/paths'
 import { Link } from 'react-router-dom'
 import { ActionButton } from './ActionButton'
@@ -9,11 +8,11 @@ import {
   faTrashAlt,
   faX,
 } from '@fortawesome/free-solid-svg-icons'
-import { getPartsCount, readProject } from '../lib/tauriFS'
 import { FILE_EXT } from 'lib/constants'
 import { Dialog } from '@headlessui/react'
 import { useHotkeys } from 'react-hotkeys-hook'
 import Tooltip from './Tooltip'
+import { Project } from 'wasm-lib/kcl/bindings/Project'
 
 function ProjectCard({
   project,
@@ -21,17 +20,17 @@ function ProjectCard({
   handleDeleteProject,
   ...props
 }: {
-  project: ProjectWithEntryPointMetadata
+  project: Project
   handleRenameProject: (
     e: FormEvent<HTMLFormElement>,
-    f: ProjectWithEntryPointMetadata
+    f: Project
   ) => Promise<void>
-  handleDeleteProject: (f: ProjectWithEntryPointMetadata) => Promise<void>
+  handleDeleteProject: (f: Project) => Promise<void>
 }) {
   useHotkeys('esc', () => setIsEditing(false))
   const [isEditing, setIsEditing] = useState(false)
   const [isConfirmingDelete, setIsConfirmingDelete] = useState(false)
-  const [numberOfParts, setNumberOfParts] = useState(1)
+  const [numberOfFiles, setNumberOfFiles] = useState(1)
   const [numberOfFolders, setNumberOfFolders] = useState(0)
 
   let inputRef = useRef<HTMLInputElement>(null)
@@ -41,7 +40,8 @@ function ProjectCard({
     void handleRenameProject(e, project).then(() => setIsEditing(false))
   }
 
-  function getDisplayedTime(date: Date) {
+  function getDisplayedTime(dateStr: string) {
+    const date = new Date(dateStr)
     const startOfToday = new Date()
     startOfToday.setHours(0, 0, 0, 0)
     return date.getTime() < startOfToday.getTime()
@@ -50,15 +50,12 @@ function ProjectCard({
   }
 
   useEffect(() => {
-    async function getNumberOfParts() {
+    async function getNumberOfFiles() {
-      const { kclFileCount, kclDirCount } = getPartsCount(
+      setNumberOfFiles(project.kcl_file_count)
-        await readProject(project.path)
+      setNumberOfFolders(project.directory_count)
-      )
-      setNumberOfParts(kclFileCount)
-      setNumberOfFolders(kclDirCount)
     }
-    void getNumberOfParts()
+    void getNumberOfFiles()
-  }, [project.path])
+  }, [project.kcl_file_count, project.directory_count])
 
   useEffect(() => {
     if (inputRef.current) {
@@ -129,7 +126,7 @@ function ProjectCard({
               {project.name?.replace(FILE_EXT, '')}
             </Link>
             <span className="text-chalkboard-60 text-xs">
-              {numberOfParts} part{numberOfParts === 1 ? '' : 's'}{' '}
+              {numberOfFiles} file{numberOfFiles === 1 ? '' : 's'}{' '}
               {numberOfFolders > 0 &&
                 `/ ${numberOfFolders} folder${
                   numberOfFolders === 1 ? '' : 's'
@@ -137,8 +134,8 @@ function ProjectCard({
             </span>
             <span className="text-chalkboard-60 text-xs">
               Edited{' '}
-              {project.entrypointMetadata.mtime
+              {project.metadata && project.metadata?.modified
-                ? getDisplayedTime(project.entrypointMetadata.mtime)
+                ? getDisplayedTime(project.metadata.modified)
                 : 'never'}
             </span>
             <div className="absolute z-10 bottom-2 right-2 flex gap-1 items-center opacity-0 group-hover:opacity-100 group-focus-within:opacity-100">

src/components/ProjectSidebarMenu.test.tsx

@@ -1,10 +1,10 @@
 import { fireEvent, render, screen } from '@testing-library/react'
 import { BrowserRouter } from 'react-router-dom'
 import ProjectSidebarMenu from './ProjectSidebarMenu'
-import { type ProjectWithEntryPointMetadata } from 'lib/types'
 import { SettingsAuthProviderJest } from './SettingsAuthProvider'
 import { APP_NAME } from 'lib/constants'
 import { CommandBarProvider } from './CommandBar/CommandBarProvider'
+import { Project } from 'wasm-lib/kcl/bindings/Project'
 
 const now = new Date()
 const projectWellFormed = {
@@ -14,29 +14,17 @@ const projectWellFormed = {
     {
       name: 'main.kcl',
       path: '/some/path/Simple Box/main.kcl',
+      children: [],
     },
   ],
-  entrypointMetadata: {
+  metadata: {
-    atime: now,
+    created: now.toISOString(),
-    blksize: 32,
+    modified: now.toISOString(),
-    blocks: 32,
-    birthtime: now,
-    dev: 1,
-    gid: 1,
-    ino: 1,
-    isDirectory: false,
-    isFile: true,
-    isSymlink: false,
-    mode: 1,
-    mtime: now,
-    nlink: 1,
-    readonly: false,
-    rdev: 1,
     size: 32,
-    uid: 1,
-    fileAttributes: null,
   },
-} satisfies ProjectWithEntryPointMetadata
+  kcl_file_count: 1,
+  directory_count: 0,
+} satisfies Project
 
 describe('ProjectSidebarMenu tests', () => {
   test('Renders the project name', () => {

src/components/ProjectSidebarMenu.tsx

@@ -133,13 +133,13 @@ function ProjectMenuPopover({
                   <p className="m-0 text-mono" data-testid="projectName">
                     {project?.name ? project.name : APP_NAME}
                   </p>
-                  {project?.entrypointMetadata && (
+                  {project?.metadata && project.metadata.created && (
                     <p
                       className="m-0 text-xs text-chalkboard-80 dark:text-chalkboard-40"
                       data-testid="createdAt"
                     >
                       Created{' '}
-                      {project.entrypointMetadata.birthtime?.toLocaleDateString()}
+                      {new Date(project.metadata.created).toLocaleDateString()}
                     </p>
                   )}
                 </div>

src/components/SettingsAuthProvider.tsx

@@ -7,7 +7,12 @@ import React, { createContext, useEffect } from 'react'
 import useStateMachineCommands from '../hooks/useStateMachineCommands'
 import { settingsMachine } from 'machines/settingsMachine'
 import { toast } from 'react-hot-toast'
-import { getThemeColorForEngine, setThemeClass, Themes } from 'lib/theme'
+import {
+  getThemeColorForEngine,
+  getOppositeTheme,
+  setThemeClass,
+  Themes,
+} from 'lib/theme'
 import decamelize from 'decamelize'
 import {
   AnyStateMachine,
@@ -99,6 +104,9 @@ export const SettingsAuthProviderBase = ({
     {
       context: loadedSettings,
       actions: {
+        //TODO: batch all these and if that's difficult to do from tsx,
+        // make it easy to do
+
         setClientSideSceneUnits: (context, event) => {
           const newBaseUnit =
             event.type === 'set.modeling.defaultUnit'
@@ -115,6 +123,16 @@ export const SettingsAuthProviderBase = ({
               color: getThemeColorForEngine(context.app.theme.current),
             },
           })
+
+          const opposingTheme = getOppositeTheme(context.app.theme.current)
+          engineCommandManager.sendSceneCommand({
+            cmd_id: uuidv4(),
+            type: 'modeling_cmd_req',
+            cmd: {
+              type: 'set_default_system_properties',
+              color: getThemeColorForEngine(opposingTheme),
+            },
+          })
         },
         setEngineEdges: (context) => {
           engineCommandManager.sendSceneCommand({
@@ -150,7 +168,7 @@ export const SettingsAuthProviderBase = ({
         },
         'Execute AST': () => kclManager.executeCode(true),
         persistSettings: (context) =>
-          saveSettings(context, loadedProject?.project?.path),
+          saveSettings(context, loadedProject?.project?.name),
       },
     }
   )

src/editor/manager.ts

@@ -0,0 +1,238 @@
+import { hasNextSnippetField } from '@codemirror/autocomplete'
+import { EditorView, ViewUpdate } from '@codemirror/view'
+import { EditorSelection, SelectionRange } from '@codemirror/state'
+import { engineCommandManager, sceneInfra } from 'lib/singletons'
+import { ModelingMachineEvent } from 'machines/modelingMachine'
+import { Selections, processCodeMirrorRanges, Selection } from 'lib/selections'
+import { undo, redo } from '@codemirror/commands'
+import { CommandBarMachineEvent } from 'machines/commandBarMachine'
+import { addLineHighlight } from './highlightextension'
+import { setDiagnostics, Diagnostic } from '@codemirror/lint'
+
+export default class EditorManager {
+  private _editorView: EditorView | null = null
+
+  private _isShiftDown: boolean = false
+  private _selectionRanges: Selections = {
+    otherSelections: [],
+    codeBasedSelections: [],
+  }
+
+  private _lastSelectionEvent: number | null = null
+  private _lastSelection: string = ''
+  private _lastEvent: { event: string; time: number } | null = null
+
+  private _modelingSend: (eventInfo: ModelingMachineEvent) => void = () => {}
+  private _modelingEvent: ModelingMachineEvent | null = null
+
+  private _commandBarSend: (eventInfo: CommandBarMachineEvent) => void =
+    () => {}
+
+  private _convertToVariableEnabled: boolean = false
+  private _convertToVariableCallback: () => void = () => {}
+
+  private _highlightRange: [number, number] = [0, 0]
+
+  setEditorView(editorView: EditorView) {
+    this._editorView = editorView
+  }
+
+  get editorView(): EditorView | null {
+    return this._editorView
+  }
+
+  get isShiftDown(): boolean {
+    return this._isShiftDown
+  }
+
+  setIsShiftDown(isShiftDown: boolean) {
+    this._isShiftDown = isShiftDown
+  }
+
+  set selectionRanges(selectionRanges: Selections) {
+    this._selectionRanges = selectionRanges
+  }
+
+  set lastSelectionEvent(time: number) {
+    this._lastSelectionEvent = time
+  }
+
+  set modelingSend(send: (eventInfo: ModelingMachineEvent) => void) {
+    this._modelingSend = send
+  }
+
+  set modelingEvent(event: ModelingMachineEvent) {
+    this._modelingEvent = event
+  }
+
+  setCommandBarSend(send: (eventInfo: CommandBarMachineEvent) => void) {
+    this._commandBarSend = send
+  }
+
+  commandBarSend(eventInfo: CommandBarMachineEvent): void {
+    return this._commandBarSend(eventInfo)
+  }
+
+  get highlightRange(): [number, number] {
+    return this._highlightRange
+  }
+
+  setHighlightRange(selection: Selection['range']): void {
+    this._highlightRange = selection
+    const editorView = this.editorView
+    const safeEnd = Math.min(
+      selection[1],
+      editorView?.state.doc.length || selection[1]
+    )
+    if (editorView) {
+      editorView.dispatch({
+        effects: addLineHighlight.of([selection[0], safeEnd]),
+      })
+    }
+  }
+
+  setDiagnostics(diagnostics: Diagnostic[]): void {
+    if (!this.editorView) return
+    this.editorView.dispatch(setDiagnostics(this.editorView.state, diagnostics))
+  }
+
+  undo() {
+    if (this._editorView) {
+      undo(this._editorView)
+    }
+  }
+
+  redo() {
+    if (this._editorView) {
+      redo(this._editorView)
+    }
+  }
+
+  set convertToVariableEnabled(enabled: boolean) {
+    this._convertToVariableEnabled = enabled
+  }
+
+  set convertToVariableCallback(callback: () => void) {
+    this._convertToVariableCallback = callback
+  }
+
+  convertToVariable() {
+    if (this._convertToVariableEnabled) {
+      this._convertToVariableCallback()
+
+      return true
+    }
+    return false
+  }
+
+  selectRange(selections: Selections) {
+    if (selections.codeBasedSelections.length === 0) {
+      return
+    }
+    if (!this.editorView) {
+      return
+    }
+    let codeBasedSelections = []
+    for (const selection of selections.codeBasedSelections) {
+      codeBasedSelections.push(
+        EditorSelection.range(selection.range[0], selection.range[1])
+      )
+    }
+
+    codeBasedSelections.push(
+      EditorSelection.cursor(
+        selections.codeBasedSelections[
+          selections.codeBasedSelections.length - 1
+        ].range[1]
+      )
+    )
+    this.editorView.dispatch({
+      selection: EditorSelection.create(codeBasedSelections, 1),
+    })
+  }
+
+  handleOnViewUpdate(viewUpdate: ViewUpdate): void {
+    // If we are just fucking around in a snippet, return early and don't
+    // trigger stuff below that might cause the component to re-render.
+    // Otherwise we will not be able to tab thru the snippet portions.
+    // We explicitly dont check HasPrevSnippetField because we always add
+    // a ${} to the end of the function so that's fine.
+    if (hasNextSnippetField(viewUpdate.view.state)) {
+      return
+    }
+
+    if (this.editorView === null) {
+      this.setEditorView(viewUpdate.view)
+    }
+    const selString = stringifyRanges(
+      viewUpdate?.state?.selection?.ranges || []
+    )
+
+    if (selString === this._lastSelection) {
+      // onUpdate is noisy and is fired a lot by extensions
+      // since we're only interested in selections changes we can ignore most of these.
+      return
+    }
+    this._lastSelection = selString
+
+    if (
+      this._lastSelectionEvent &&
+      Date.now() - this._lastSelectionEvent < 150
+    ) {
+      return // update triggered by scene selection
+    }
+
+    if (sceneInfra.selected) {
+      return // mid drag
+    }
+
+    const ignoreEvents: ModelingMachineEvent['type'][] = [
+      'Equip Line tool',
+      'Equip tangential arc to',
+    ]
+
+    if (!this._modelingEvent) {
+      return
+    }
+
+    if (ignoreEvents.includes(this._modelingEvent.type)) {
+      return
+    }
+
+    const eventInfo = processCodeMirrorRanges({
+      codeMirrorRanges: viewUpdate.state.selection.ranges,
+      selectionRanges: this._selectionRanges,
+      isShiftDown: this._isShiftDown,
+    })
+
+    if (!eventInfo) {
+      return
+    }
+
+    const deterministicEventInfo = {
+      ...eventInfo,
+      engineEvents: eventInfo.engineEvents.map((e) => ({
+        ...e,
+        cmd_id: 'static',
+      })),
+    }
+    const stringEvent = JSON.stringify(deterministicEventInfo)
+    if (
+      this._lastEvent &&
+      stringEvent === this._lastEvent.event &&
+      Date.now() - this._lastEvent.time < 500
+    ) {
+      return // don't repeat events
+    }
+
+    this._lastEvent = { event: stringEvent, time: Date.now() }
+    this._modelingSend(eventInfo.modelingEvent)
+    eventInfo.engineEvents.forEach((event) =>
+      engineCommandManager.sendSceneCommand(event)
+    )
+  }
+}
+
+function stringifyRanges(ranges: readonly SelectionRange[]): string {
+  return ranges.map(({ to, from }) => `${to}->${from}`).join('&')
+}

src/editor/plugins/lsp/plugin.ts

@@ -21,7 +21,7 @@ import { LanguageServerClient } from 'editor/plugins/lsp'
 import { Marked } from '@ts-stack/markdown'
 import { posToOffset } from 'editor/plugins/lsp/util'
 import { Program, ProgramMemory } from 'lang/wasm'
-import { codeManager, kclManager } from 'lib/singletons'
+import { codeManager, editorManager, kclManager } from 'lib/singletons'
 import type { UnitLength } from 'wasm-lib/kcl/bindings/UnitLength'
 import { UpdateUnitsResponse } from 'wasm-lib/kcl/bindings/UpdateUnitsResponse'
 import { UpdateCanExecuteResponse } from 'wasm-lib/kcl/bindings/UpdateCanExecuteResponse'
@@ -39,6 +39,8 @@ const CompletionItemKindMap = Object.fromEntries(
 ) as Record<CompletionItemKind, string>
 
 const changesDelay = 600
+let debounceTimer: ReturnType<typeof setTimeout> | null = null
+const updateDelay = 100
 
 export class LanguageServerPlugin implements PluginValue {
   public client: LanguageServerClient
@@ -47,6 +49,7 @@ export class LanguageServerPlugin implements PluginValue {
   public workspaceFolders: LSP.WorkspaceFolder[]
   private documentVersion: number
   private foldingRanges: LSP.FoldingRange[] | null = null
+  private viewUpdate: ViewUpdate | null = null
   private _defferer = deferExecution((code: string) => {
     try {
       // Update the state (not the editor) with the new code.
@@ -57,6 +60,10 @@ export class LanguageServerPlugin implements PluginValue {
         },
         contentChanges: [{ text: code }],
       })
+
+      if (this.viewUpdate) {
+        editorManager.handleOnViewUpdate(this.viewUpdate)
+      }
     } catch (e) {
       console.error(e)
     }
@@ -80,14 +87,27 @@ export class LanguageServerPlugin implements PluginValue {
     })
   }
 
-  update({ docChanged }: ViewUpdate) {
+  update(viewUpdate: ViewUpdate) {
-    if (!docChanged) return
+    this.viewUpdate = viewUpdate
+    if (!viewUpdate.docChanged) {
+      // debounce the view update.
+      // otherwise it is laggy for typing.
+      if (debounceTimer) {
+        clearTimeout(debounceTimer)
+      }
+
+      debounceTimer = setTimeout(() => {
+        editorManager.handleOnViewUpdate(viewUpdate)
+      }, updateDelay)
+      return
+    }
 
     const newCode = this.view.state.doc.toString()
 
     codeManager.code = newCode
     codeManager.writeToFile()
     kclManager.executeCode()
+
     this.sendChange({
       documentText: newCode,
     })
@@ -357,15 +377,9 @@ export class LanguageServerPlugin implements PluginValue {
     try {
       switch (notification.method) {
         case 'textDocument/publishDiagnostics':
-          const params = notification.params as PublishDiagnosticsParams
+          //const params = notification.params as PublishDiagnosticsParams
-          this.processDiagnostics(params)
+          // this is sometimes slower than our actual typing.
-          // Update the kcl errors pane.
+          //this.processDiagnostics(params)
-          /*if (!kclManager.isExecuting) {
-            kclManager.kclErrors = lspDiagnosticsToKclErrors(
-              this.view.state.doc,
-              params.diagnostics
-            )
-          }*/
           break
         case 'window/logMessage':
           console.log(
@@ -385,17 +399,6 @@ export class LanguageServerPlugin implements PluginValue {
           // The server has updated the AST, we should update elsewhere.
           let updatedAst = notification.params as Program
           console.log('[lsp]: Updated AST', updatedAst)
-          // Update the ast when we are not already executing.
-          /* if (!kclManager.isExecuting) {
-            kclManager.ast = updatedAst
-            // Execute the ast.
-            console.log('[lsp]: executing ast')
-            await kclManager.executeAst(updatedAst)
-            console.log('[lsp]: executed ast', kclManager.kclErrors)
-            let diagnostics = kclErrorsToDiagnostics(kclManager.kclErrors)
-            this.view.dispatch(setDiagnostics(this.view.state, diagnostics))
-            console.log('[lsp]: updated diagnostics')
-          }*/
 
           // Update the folding ranges, since the AST has changed.
           // This is a hack since codemirror does not support async foldService.