updates for units (#1458)

* updates for units

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

* scene units

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

* start passing in units to tests

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

* units tests

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

* add more images

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

* hacky code for now

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

* get settings context outside of react

* fmt

* pull through settings

* fix

* fmt

* move camera with units (#1461)

* temp patch tsc

* update kittycad.rs

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

* trait

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

* fix compile

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

* update screenshots

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

* execute on settings change

* Update src/clientSideScene/sceneInfra.ts

* try zoom

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

* more shit image

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

* new screenshots

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

* udpates

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

* updates

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

* tests

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

* update cam

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

* new

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

* updates for units

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

* fixles

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

* ;scale

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

* fixes

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

* fmt

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

* tweak playwright draft segments test

* another test tweak

* last test tweak

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* update default plane snapshot scale

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* number tweaks for playwright flow checks

* up[date

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

---------

Signed-off-by: Jess Frazelle <github@jessfraz.com>
Co-authored-by: Kurt Hutten Irev-Dev <k.hutten@protonmail.ch>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

e2e/playwright/export-snapshots/step-.step

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+        vertex 241.3 -0 50.800003
-        vertex 5.755354 -0 1.5
+        vertex 146.18599 -0 38.1
     endloop
 endfacet
 facet normal 0 1 0
     outer loop
-        vertex 9.5 -0 2
+        vertex 241.3 -0 50.800003
-        vertex 9.5 -0 1.5
+        vertex 241.3 -0 38.1
-        vertex 5.755354 -0 1.5
+        vertex 146.18599 -0 38.1
     endloop
 endfacet
 facet normal 0 1 -0
     outer loop
-        vertex 4.146974 -0 0.75
+        vertex 105.33314 -0 19.05
-        vertex 3.5 -0 1
+        vertex 88.9 -0 25.400002
-        vertex 5.644507 -0 2
+        vertex 143.37048 -0 50.800003
     endloop
 endfacet
 facet normal 0 0.99999994 0
     outer loop
-        vertex 2.5385938 -0 0
+        vertex 64.480286 -0 0
-        vertex 3.4311862 -0 -0.625
+        vertex 87.15214 -0 -15.875
-        vertex 3.0950184 -0 -1
+        vertex 78.613464 -0 -25.400002
-    endloop
-endfacet
-facet normal 0 0.99999994 0
-    outer loop
-        vertex 4.323779 -0 -1.25
-        vertex 5.9513144 -0 -3
-        vertex 3.0950184 -0 -1
     endloop
 endfacet
 facet normal 0 1 0
     outer loop
-        vertex 6.108964 -0 -2.5
+        vertex 109.82398 -0 -31.75
-        vertex 5.9513144 -0 -3
+        vertex 151.16339 -0 -76.2
-        vertex 4.323779 -0 -1.25
+        vertex 78.613464 -0 -25.400002
-    endloop
-endfacet
-facet normal 0 0.99999994 0
-    outer loop
-        vertex 9.5 -0 -2.5
-        vertex 9.5 -0 -3
-        vertex 6.108964 -0 -2.5
     endloop
 endfacet
 facet normal 0 1 0
     outer loop
-        vertex 6.108964 -0 -2.5
+        vertex 155.16768 -0 -63.5
-        vertex 9.5 -0 -3
+        vertex 151.16339 -0 -76.2
-        vertex 5.9513144 -0 -3
+        vertex 109.82398 -0 -31.75
     endloop
 endfacet
 facet normal 0 1 0
     outer loop
-        vertex 2.5385938 -0 0
+        vertex 241.3 -0 -63.5
-        vertex 3.0950184 -0 -1
+        vertex 241.3 -0 -76.2
-        vertex 0 -0 -1
+        vertex 155.16768 -0 -63.5
     endloop
 endfacet
 facet normal 0 1 0
     outer loop
-        vertex 0 -0 -1
+        vertex 155.16768 -0 -63.5
+        vertex 241.3 -0 -76.2
+        vertex 151.16339 -0 -76.2
+    endloop
+endfacet
+facet normal 0 1 0
+    outer loop
+        vertex 64.480286 -0 0
+        vertex 78.613464 -0 -25.400002
+        vertex 0 -0 -25.400002
+    endloop
+endfacet
+facet normal 0 1 0
+    outer loop
+        vertex 0 -0 -25.400002
         vertex 0 -0 0
-        vertex 2.5385938 -0 0
+        vertex 64.480286 -0 0
     endloop
 endfacet
 facet normal -0 -1 0
     outer loop
-        vertex 3.342784 -4 0.375
+        vertex 84.906715 -101.600006 9.525
-        vertex 3.5 -4 1
+        vertex 88.9 -101.600006 25.400002
-        vertex 2.5385938 -4 0
+        vertex 64.480286 -101.600006 0
     endloop
 endfacet
 facet normal -0 -1 0
     outer loop
-        vertex 4.146974 -4 0.75
+        vertex 105.33314 -101.600006 19.05
-        vertex 3.5 -4 1
+        vertex 88.9 -101.600006 25.400002
-        vertex 3.342784 -4 0.375
+        vertex 84.906715 -101.600006 9.525
     endloop
 endfacet
 facet normal 0 -1 -0
     outer loop
-        vertex 3.4311862 -4 -0.625
+        vertex 87.15214 -101.600006 -15.875
-        vertex 3.0950184 -4 -1
+        vertex 78.613464 -101.600006 -25.400002
-        vertex 4.323779 -4 -1.25
+        vertex 109.82398 -101.600006 -31.75
+    endloop
+endfacet
+facet normal 0 -1 0
+    outer loop
+        vertex 105.33314 -101.600006 19.05
+        vertex 146.18599 -101.600006 38.1
+        vertex 143.37048 -101.600006 50.800003
+    endloop
+endfacet
+facet normal 0 -1 0
+    outer loop
+        vertex 0 -101.600006 25.400002
+        vertex 64.480286 -101.600006 0
+        vertex 88.9 -101.600006 25.400002
+    endloop
+endfacet
+facet normal 0 -1 0
+    outer loop
+        vertex 0 -101.600006 25.400002
+        vertex 0 -101.600006 0
+        vertex 64.480286 -101.600006 0
+    endloop
+endfacet
+facet normal 0 -1 0
+    outer loop
+        vertex 143.37048 -101.600006 50.800003
+        vertex 146.18599 -101.600006 38.1
+        vertex 241.3 -101.600006 50.800003
+    endloop
+endfacet
+facet normal 0 -1 -0
+    outer loop
+        vertex 241.3 -101.600006 50.800003
+        vertex 146.18599 -101.600006 38.1
+        vertex 241.3 -101.600006 38.1
+    endloop
+endfacet
+facet normal 0 -1 0
+    outer loop
+        vertex 105.33314 -101.600006 19.05
+        vertex 143.37048 -101.600006 50.800003
+        vertex 88.9 -101.600006 25.400002
     endloop
 endfacet
 facet normal 0 -0.99999994 0
     outer loop
-        vertex 4.146974 -4 0.75
+        vertex 64.480286 -101.600006 0
-        vertex 5.755354 -4 1.5
+        vertex 78.613464 -101.600006 -25.400002
-        vertex 5.644507 -4 2
+        vertex 87.15214 -101.600006 -15.875
     endloop
 endfacet
-facet normal 0 -1 0
+facet normal -0 -1 -0
     outer loop
-        vertex 0 -4 1
+        vertex 109.82398 -101.600006 -31.75
-        vertex 2.5385938 -4 0
+        vertex 78.613464 -101.600006 -25.400002
-        vertex 3.5 -4 1
+        vertex 151.16339 -101.600006 -76.2
-    endloop
-endfacet
-facet normal 0 -1 0
-    outer loop
-        vertex 0 -4 1
-        vertex 0 -4 0
-        vertex 2.5385938 -4 0
-    endloop
-endfacet
-facet normal 0 -1 0
-    outer loop
-        vertex 5.644507 -4 2
-        vertex 5.755354 -4 1.5
-        vertex 9.5 -4 2
-    endloop
-endfacet
-facet normal 0 -1 -0
-    outer loop
-        vertex 9.5 -4 2
-        vertex 5.755354 -4 1.5
-        vertex 9.5 -4 1.5
-    endloop
-endfacet
-facet normal 0 -1 0
-    outer loop
-        vertex 4.146974 -4 0.75
-        vertex 5.644507 -4 2
-        vertex 3.5 -4 1
-    endloop
-endfacet
-facet normal 0 -0.99999994 0
-    outer loop
-        vertex 2.5385938 -4 0
-        vertex 3.0950184 -4 -1
-        vertex 3.4311862 -4 -0.625
-    endloop
-endfacet
-facet normal -0 -0.99999994 -0
-    outer loop
-        vertex 4.323779 -4 -1.25
-        vertex 3.0950184 -4 -1
-        vertex 5.9513144 -4 -3
     endloop
 endfacet
 facet normal -0 -1 0
     outer loop
-        vertex 6.108964 -4 -2.5
+        vertex 155.16768 -101.600006 -63.5
-        vertex 4.323779 -4 -1.25
+        vertex 109.82398 -101.600006 -31.75
-        vertex 5.9513144 -4 -3
+        vertex 151.16339 -101.600006 -76.2
     endloop
 endfacet
-facet normal -0 -0.99999994 -0
+facet normal -0 -1 -0
     outer loop
-        vertex 9.5 -4 -2.5
+        vertex 241.3 -101.600006 -63.5
-        vertex 6.108964 -4 -2.5
+        vertex 155.16768 -101.600006 -63.5
-        vertex 9.5 -4 -3
+        vertex 241.3 -101.600006 -76.2
     endloop
 endfacet
 facet normal 0 -1 -0
     outer loop
-        vertex 6.108964 -4 -2.5
+        vertex 155.16768 -101.600006 -63.5
-        vertex 5.9513144 -4 -3
+        vertex 151.16339 -101.600006 -76.2
-        vertex 9.5 -4 -3
+        vertex 241.3 -101.600006 -76.2
     endloop
 endfacet
 facet normal 0 -1 -0
     outer loop
-        vertex 2.5385938 -4 0
+        vertex 64.480286 -101.600006 0
-        vertex 0 -4 -1
+        vertex 0 -101.600006 -25.400002
-        vertex 3.0950184 -4 -1
+        vertex 78.613464 -101.600006 -25.400002
     endloop
 endfacet
 facet normal 0 -1 0
     outer loop
-        vertex 0 -4 -1
+        vertex 0 -101.600006 -25.400002
-        vertex 2.5385938 -4 0
+        vertex 64.480286 -101.600006 0
-        vertex 0 -4 0
+        vertex 0 -101.600006 0
     endloop
 endfacet
 endsolid unnamed

e2e/playwright/flow-tests.spec.ts

@@ -72,7 +72,7 @@ test('Basic sketch', async ({ page }) => {
 
   const startXPx = 600
   await page.mouse.click(startXPx + PUR * 10, 500 - PUR * 10)
-  const startAt = '[23.89, -32.23]'
+  const startAt = '[23.74, -32.03]'
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)`)
@@ -82,7 +82,7 @@ test('Basic sketch', async ({ page }) => {
   await page.mouse.click(startXPx + PUR * 20, 500 - PUR * 10)
   await page.waitForTimeout(100)
 
-  const num = 24.11
+  const num = 23.97
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)
@@ -93,14 +93,14 @@ test('Basic sketch', async ({ page }) => {
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)
   |> line([${num}, 0], %)
-  |> line([0, ${num + 0.01}], %)`)
+  |> line([0, ${num}], %)`)
   await page.mouse.click(startXPx, 500 - PUR * 20)
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)
   |> line([${num}, 0], %)
-  |> line([0, ${num + 0.01}], %)
+  |> line([0, ${num}], %)
-  |> line([-48, 0], %)`)
+  |> line([-47.71, 0], %)`)
 
   // deselect line tool
   await page.getByRole('button', { name: 'Line' }).click()
@@ -124,7 +124,7 @@ test('Basic sketch', async ({ page }) => {
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)
   |> line({ to: [${num}, 0], tag: 'seg01' }, %)
-  |> line([0, ${num + 0.01}], %)
+  |> line([0, ${num}], %)
   |> angledLine([180, segLen('seg01', %)], %)`)
 })
 
@@ -461,7 +461,7 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
 
   const startXPx = 600
   await page.mouse.click(startXPx + PUR * 10, 500 - PUR * 10)
-  const startAt = '[23.89, -32.23]'
+  const startAt = '[23.74, -32.03]'
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)`)
@@ -470,8 +470,8 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
 
   await page.mouse.click(startXPx + PUR * 20, 500 - PUR * 10)
 
-  const num = 24.11
+  const num = 23.97
-  const num2 = '48'
+  const num2 = '47.71'
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)
@@ -482,13 +482,13 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)
   |> line([${num}, 0], %)
-  |> line([0, ${num + 0.01}], %)`)
+  |> line([0, ${num}], %)`)
   await page.mouse.click(startXPx, 500 - PUR * 20)
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)
   |> line([${num}, 0], %)
-  |> line([0, ${num + 0.01}], %)
+  |> line([0, ${num}], %)
   |> line([-${num2}, 0], %)`)
 
   // deselect line tool
@@ -574,12 +574,13 @@ test('Selections work on fresh and edited sketch', async ({ page }) => {
   await u.closeDebugPanel()
 
   // select a line
-  await topHorzSegmentClick()
+  // await topHorzSegmentClick()
-  await page.waitForTimeout(200)
+  await page.getByText(startAt).click() // TODO remove this and reinstate // await topHorzSegmentClick()
+  await page.waitForTimeout(100)
 
   // enter sketch again
   await page.getByRole('button', { name: 'Edit Sketch' }).click()
-  await page.waitForTimeout(700) // wait for animation
+  await page.waitForTimeout(300) // wait for animation
 
   // hover again and check it works
   await selectionSequence()
@@ -715,7 +716,7 @@ test('Can add multiple sketches', async ({ page }) => {
 
   const startXPx = 600
   await page.mouse.click(startXPx + PUR * 10, 500 - PUR * 10)
-  const startAt = '[23.89, -32.23]'
+  const startAt = '[23.74, -32.03]'
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)`)
@@ -725,7 +726,7 @@ test('Can add multiple sketches', async ({ page }) => {
   await page.mouse.click(startXPx + PUR * 20, 500 - PUR * 10)
   await page.waitForTimeout(100)
 
-  const num = 24.11
+  const num = 23.97
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)
@@ -736,13 +737,13 @@ test('Can add multiple sketches', async ({ page }) => {
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)
   |> line([${num}, 0], %)
-  |> line([0, ${num + 0.01}], %)`)
+  |> line([0, ${num}], %)`)
   await page.mouse.click(startXPx, 500 - PUR * 20)
   const finalCodeFirstSketch = `const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)
   |> line([${num}, 0], %)
-  |> line([0, ${num + 0.01}], %)
+  |> line([0, ${num}], %)
-  |> line([-48, 0], %)`
+  |> line([-47.71, 0], %)`
   await expect(page.locator('.cm-content')).toHaveText(finalCodeFirstSketch)
 
   // exit the sketch

e2e/playwright/snapshot-tests.spec.ts

@@ -369,13 +369,13 @@ test('extrude on each default plane should be stable', async ({
 }) => {
   const u = getUtils(page)
   const makeCode = (plane = 'XY') => `const part001 = startSketchOn('${plane}')
-  |> startProfileAt([14.06, 8.88], %)
+  |> startProfileAt([0.70, 0.44], %)
-  |> line([12.98, -0.15], %)
+  |> line([0.66, -0.02], %)
-  |> line([5.56, 9.89], %)
+  |> line([0.28, 0.50], %)
-  |> line([-11.28, 8.96], %)
+  |> line([-0.56, 0.44], %)
-  |> line([-10.81, -7.57], %)
+  |> line([-0.54, -0.38], %)
   |> close(%)
-  |> extrude(20, %)
+  |> extrude(1.00, %)
 `
   await context.addInitScript(async (code) => {
     localStorage.setItem('persistCode', code)
@@ -448,7 +448,7 @@ test('Draft segments should look right', async ({ page }) => {
 
   const startXPx = 600
   await page.mouse.click(startXPx + PUR * 10, 500 - PUR * 10)
-  const startAt = '[23.89, -32.23]'
+  const startAt = '[23.74, -32.03]'
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)`)
@@ -463,7 +463,7 @@ test('Draft segments should look right', async ({ page }) => {
   await page.mouse.click(startXPx + PUR * 20, 500 - PUR * 10)
   await page.waitForTimeout(100)
 
-  const num = 24.11
+  const num = 23.97
   await expect(page.locator('.cm-content'))
     .toHaveText(`const part001 = startSketchOn('-XZ')
   |> startProfileAt(${startAt}, %)

src/clientSideScene/sceneInfra.ts

@@ -14,10 +14,8 @@ import {
   Vector2,
   Group,
   PlaneGeometry,
-  EdgesGeometry,
   MeshBasicMaterial,
   Mesh,
-  LineSegments,
   DoubleSide,
   Intersection,
   Object3D,
@@ -34,7 +32,7 @@ import * as TWEEN from '@tweenjs/tween.js'
 import { MouseGuard, cameraMouseDragGuards } from 'lib/cameraControls'
 import { SourceRange } from 'lang/wasm'
 import { Axis } from 'lib/selections'
-import { createGridHelper } from './helpers'
+import { BaseUnit, SETTINGS_PERSIST_KEY } from 'machines/settingsMachine'
 
 type SendType = ReturnType<typeof useModelingContext>['send']
 
@@ -308,8 +306,17 @@ class SceneInfra {
     this.scene.background = null
 
     // CAMERA
+    const camHeightDistanceRatio = 0.5
+    const baseUnit: BaseUnit =
+      JSON.parse(localStorage?.getItem(SETTINGS_PERSIST_KEY) || ('{}' as any))
+        .baseUnit || 'mm'
+    const baseRadius = 5.6
+    const length = baseUnitTomm(baseUnit) * baseRadius
+    const ang = Math.atan(camHeightDistanceRatio)
+    const x = Math.cos(ang) * length
+    const y = Math.sin(ang) * length
     this.camera = this.createPerspectiveCamera()
-    this.camera.position.set(0, -128, 64)
+    this.camera.position.set(0, -x, y)
     if (DEBUG_SHOW_INTERSECTION_PLANE)
       this.camera.layers.enable(INTERSECTION_PLANE_LAYER)
 
@@ -1107,6 +1114,23 @@ export function getSceneScale(
   return 1
 }
 
+function baseUnitTomm(baseUnit: BaseUnit) {
+  switch (baseUnit) {
+    case 'mm':
+      return 1
+    case 'cm':
+      return 10
+    case 'm':
+      return 1000
+    case 'in':
+      return 25.4
+    case 'ft':
+      return 304.8
+    case 'yd':
+      return 914.4
+  }
+}
+
 export function isQuaternionVertical(q: Quaternion) {
   const v = new Vector3(0, 0, 1).applyQuaternion(q)
   // no x or y components means it's vertical

src/components/GlobalStateProvider.tsx

@@ -30,6 +30,12 @@ type GlobalContext = {
   settings: MachineContext<typeof settingsMachine>
 }
 
+// a little hacky for sure, open to changing it
+// this implies that we should only even have one instance of this provider mounted at any one time
+// but I think that's a safe assumption
+let settingsStateRef: (typeof settingsMachine)['context'] | undefined
+export const getSettingsState = () => settingsStateRef
+
 export const GlobalStateContext = createContext({} as GlobalContext)
 
 export const GlobalStateProvider = ({
@@ -71,6 +77,7 @@ export const GlobalStateProvider = ({
       },
     },
   })
+  settingsStateRef = settingsState.context
 
   useStateMachineCommands({
     machineId: 'settings',

src/lang/wasm.ts

@@ -136,15 +136,21 @@ export const executor = async (
   return _programMemory
 }
 
+const getSettingsState = import('components/GlobalStateProvider').then(
+  (module) => module.getSettingsState
+)
+
 export const _executor = async (
   node: Program,
   programMemory: ProgramMemory = { root: {}, return: null },
   engineCommandManager: EngineCommandManager
 ): Promise<ProgramMemory> => {
   try {
+    const baseUnit = (await getSettingsState)()?.baseUnit || 'mm'
     const memory: ProgramMemory = await execute_wasm(
       JSON.stringify(node),
       JSON.stringify(programMemory),
+      baseUnit,
       engineCommandManager,
       fileSystemManager
     )

src/machines/settingsMachine.ts

@@ -3,6 +3,10 @@ import { Themes, getSystemTheme, setThemeClass } from '../lib/theme'
 import { CameraSystem } from 'lib/cameraControls'
 import { Models } from '@kittycad/lib'
 
+const kclManagerPromise = import('lang/KclSingleton').then(
+  (module) => module.kclManager
+)
+
 export const DEFAULT_PROJECT_NAME = 'project-$nnn'
 
 export enum UnitSystem {
@@ -29,7 +33,7 @@ export const settingsMachine = createMachine(
     id: 'Settings',
     predictableActionArguments: true,
     context: {
-      baseUnit: 'in' as BaseUnit,
+      baseUnit: 'mm' as BaseUnit,
       cameraControls: 'KittyCAD' as CameraSystem,
       defaultDirectory: '',
       defaultProjectName: DEFAULT_PROJECT_NAME,
@@ -37,7 +41,7 @@ export const settingsMachine = createMachine(
       showDebugPanel: false,
       textWrapping: 'On' as Toggle,
       theme: Themes.System,
-      unitSystem: UnitSystem.Imperial,
+      unitSystem: UnitSystem.Metric,
     },
     initial: 'idle',
     states: {
@@ -47,13 +51,13 @@ export const settingsMachine = createMachine(
           'Set Base Unit': {
             actions: [
               assign({
-                baseUnit: (_, event) => {
+                baseUnit: (_, event) => event.data.baseUnit,
-                  console.log('event', event)
-                  return event.data.baseUnit
-                },
               }),
               'persistSettings',
               'toastSuccess',
+              async () => {
+                ;(await kclManagerPromise).executeAst()
+              },
             ],
             target: 'idle',
             internal: true,
@@ -134,6 +138,9 @@ export const settingsMachine = createMachine(
               }),
               'persistSettings',
               'toastSuccess',
+              async () => {
+                ;(await kclManagerPromise).executeAst()
+              },
             ],
             target: 'idle',
             internal: true,

src/wasm-lib/Cargo.lock

@@ -1948,9 +1948,9 @@ dependencies = [
 
 [[package]]
 name = "kittycad"
-version = "0.2.53"
+version = "0.2.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a086e1a1bbddb3b38959c0f0ce6de6b3a3b7566e38e0b7d5fb101e91911beed4"
+checksum = "13958174d876353f429ea8230dc92fe86f164819cea2e51bbf22e01a4c2a496e"
 dependencies = [
  "anyhow",
  "async-trait",

src/wasm-lib/Cargo.toml

@@ -58,7 +58,7 @@ members = [
 ]
 
 [workspace.dependencies]
-kittycad = { version = "0.2.53", default-features = false, features = ["js", "requests"] }
+kittycad = { version = "0.2.54", default-features = false, features = ["js", "requests"] }
 kittycad-execution-plan = { git = "https://github.com/KittyCAD/modeling-api", branch = "main" }
 kittycad-execution-plan-traits = "0.1.10"
 kittycad-modeling-session = { git = "https://github.com/KittyCAD/modeling-api", branch = "main" }

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

@@ -13,7 +13,7 @@ use tower_lsp::lsp_types::{Position as LspPosition, Range as LspRange};
 
 use crate::{
     ast::types::{BodyItem, FunctionExpression, KclNone, Value},
-    engine::EngineConnection,
+    engine::{EngineConnection, EngineManager},
     errors::{KclError, KclErrorDetails},
     fs::FileManager,
     std::{FunctionKind, StdLib},
@@ -950,27 +950,30 @@ pub struct ExecutorContext {
     pub engine: EngineConnection,
     pub fs: FileManager,
     pub stdlib: Arc<StdLib>,
+    pub units: kittycad::types::UnitLength,
 }
 
 impl ExecutorContext {
     /// Create a new default executor context.
     #[cfg(test)]
-    pub async fn new() -> Result<Self> {
+    pub async fn new(units: kittycad::types::UnitLength) -> Result<Self> {
         Ok(Self {
             engine: EngineConnection::new().await?,
             fs: FileManager::new(),
             stdlib: Arc::new(StdLib::new()),
+            units,
         })
     }
 
     /// Create a new default executor context.
     #[cfg(not(test))]
     #[cfg(not(target_arch = "wasm32"))]
-    pub async fn new(ws: reqwest::Upgraded) -> Result<Self> {
+    pub async fn new(ws: reqwest::Upgraded, units: kittycad::types::UnitLength) -> Result<Self> {
         Ok(Self {
             engine: EngineConnection::new(ws).await?,
             fs: FileManager::new(),
             stdlib: Arc::new(StdLib::new()),
+            units,
         })
     }
 }
@@ -983,6 +986,17 @@ pub async fn execute(
     options: BodyType,
     ctx: &ExecutorContext,
 ) -> Result<ProgramMemory, KclError> {
+    // Before we even start executing the program, set the units.
+    ctx.engine
+        .send_modeling_cmd(
+            uuid::Uuid::new_v4(),
+            SourceRange::default(),
+            kittycad::types::ModelingCmd::SetSceneUnits {
+                unit: ctx.units.clone(),
+            },
+        )
+        .await?;
+
     let mut pipe_info = PipeInfo::default();
 
     // Iterate over the body of the program.
@@ -1269,7 +1283,7 @@ mod tests {
         let parser = crate::parser::Parser::new(tokens);
         let program = parser.ast()?;
         let mut mem: ProgramMemory = Default::default();
-        let ctx = ExecutorContext::new().await?;
+        let ctx = ExecutorContext::new(kittycad::types::UnitLength::Mm).await?;
         let memory = execute(program, &mut mem, BodyType::Root, &ctx).await?;
 
         Ok(memory)

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

@@ -772,3 +772,24 @@ pub fn get_tangent_point_from_previous_arc(
         tangential_angle.to_radians().sin() * 10.0 + last_arc_end[1],
     ]
 }
+
+fn unit_length_to_mm(base_unit: kittycad::types::UnitLength) -> f64 {
+    match base_unit {
+        kittycad::types::UnitLength::Mm => 1.0,
+        kittycad::types::UnitLength::Cm => 10.0,
+        kittycad::types::UnitLength::M => 1000.0,
+        kittycad::types::UnitLength::In => 25.4,
+        kittycad::types::UnitLength::Ft => 304.8,
+        kittycad::types::UnitLength::Yd => 914.4,
+    }
+}
+
+pub fn get_camera_zoom_magnitude_per_unit_length(unit: kittycad::types::UnitLength) -> (f64, f64) {
+    let base_radius = 5.6_f64;
+    let cam_height_distance_ratio = 0.5_f64;
+    let length = unit_length_to_mm(unit) * base_radius * 20.0;
+    let ang = cam_height_distance_ratio.atan();
+    let x = ang.cos() * length;
+    let y = ang.sin() * length;
+    (x, y)
+}

src/wasm-lib/src/lib.rs

@@ -1,327 +1,7 @@
 //! Wasm bindings for `kcl`.
 
 #[cfg(target_arch = "wasm32")]
-use std::sync::{Arc, RwLock};
+mod wasm;
 
 #[cfg(target_arch = "wasm32")]
-use futures::stream::TryStreamExt;
+pub use wasm::*;
-use gloo_utils::format::JsValueSerdeExt;
-#[cfg(target_arch = "wasm32")]
-use tower_lsp::{LspService, Server};
-use wasm_bindgen::prelude::*;
-
-// wasm_bindgen wrapper for execute
-#[cfg(target_arch = "wasm32")]
-#[wasm_bindgen]
-pub async fn execute_wasm(
-    program_str: &str,
-    memory_str: &str,
-    engine_manager: kcl_lib::engine::conn_wasm::EngineCommandManager,
-    fs_manager: kcl_lib::fs::wasm::FileSystemManager,
-) -> Result<JsValue, String> {
-    // deserialize the ast from a stringified json
-
-    use kcl_lib::executor::ExecutorContext;
-    let program: kcl_lib::ast::types::Program = serde_json::from_str(program_str).map_err(|e| e.to_string())?;
-    let mut mem: kcl_lib::executor::ProgramMemory = serde_json::from_str(memory_str).map_err(|e| e.to_string())?;
-
-    let engine = kcl_lib::engine::EngineConnection::new(engine_manager)
-        .await
-        .map_err(|e| format!("{:?}", e))?;
-    let fs = kcl_lib::fs::FileManager::new(fs_manager);
-    let ctx = ExecutorContext {
-        engine,
-        fs,
-        stdlib: std::sync::Arc::new(kcl_lib::std::StdLib::new()),
-    };
-
-    let memory = kcl_lib::executor::execute(program, &mut mem, kcl_lib::executor::BodyType::Root, &ctx)
-        .await
-        .map_err(String::from)?;
-    // The serde-wasm-bindgen does not work here because of weird HashMap issues so we use the
-    // gloo-serialize crate instead.
-    JsValue::from_serde(&memory).map_err(|e| e.to_string())
-}
-
-// wasm_bindgen wrapper for execute
-#[cfg(target_arch = "wasm32")]
-#[wasm_bindgen]
-pub async fn modify_ast_for_sketch_wasm(
-    manager: kcl_lib::engine::conn_wasm::EngineCommandManager,
-    program_str: &str,
-    sketch_name: &str,
-    plane_type: &str,
-    sketch_id: &str,
-) -> Result<JsValue, String> {
-    // deserialize the ast from a stringified json
-    let mut program: kcl_lib::ast::types::Program = serde_json::from_str(program_str).map_err(|e| e.to_string())?;
-
-    let plane: kcl_lib::executor::PlaneType = serde_json::from_str(plane_type).map_err(|e| e.to_string())?;
-
-    let mut engine = kcl_lib::engine::EngineConnection::new(manager)
-        .await
-        .map_err(|e| format!("{:?}", e))?;
-
-    let _ = kcl_lib::ast::modify::modify_ast_for_sketch(
-        &mut engine,
-        &mut program,
-        sketch_name,
-        plane,
-        uuid::Uuid::parse_str(sketch_id).map_err(|e| e.to_string())?,
-    )
-    .await
-    .map_err(String::from)?;
-
-    // The serde-wasm-bindgen does not work here because of weird HashMap issues so we use the
-    // gloo-serialize crate instead.
-    JsValue::from_serde(&program).map_err(|e| e.to_string())
-}
-
-#[wasm_bindgen]
-pub fn deserialize_files(data: &[u8]) -> Result<JsValue, JsError> {
-    let ws_resp: kittycad::types::WebSocketResponse = bson::from_slice(data)?;
-
-    if let Some(success) = ws_resp.success {
-        if !success {
-            return Err(JsError::new(&format!("Server returned error: {:?}", ws_resp.errors)));
-        }
-    }
-
-    if let Some(kittycad::types::OkWebSocketResponseData::Export { files }) = ws_resp.resp {
-        return Ok(JsValue::from_serde(&files)?);
-    }
-
-    Err(JsError::new(&format!("Invalid response type, got: {:?}", ws_resp)))
-}
-
-// wasm_bindgen wrapper for lexer
-// test for this function and by extension lexer are done in javascript land src/lang/tokeniser.test.ts
-#[wasm_bindgen]
-pub fn lexer_wasm(js: &str) -> Result<JsValue, JsError> {
-    let tokens = kcl_lib::token::lexer(js);
-    Ok(JsValue::from_serde(&tokens)?)
-}
-
-#[wasm_bindgen]
-pub fn parse_wasm(js: &str) -> Result<JsValue, String> {
-    let tokens = kcl_lib::token::lexer(js);
-    let parser = kcl_lib::parser::Parser::new(tokens);
-    let program = parser.ast().map_err(String::from)?;
-    // The serde-wasm-bindgen does not work here because of weird HashMap issues so we use the
-    // gloo-serialize crate instead.
-    JsValue::from_serde(&program).map_err(|e| e.to_string())
-}
-
-// wasm_bindgen wrapper for recast
-// test for this function and by extension the recaster are done in javascript land src/lang/recast.test.ts
-#[wasm_bindgen]
-pub fn recast_wasm(json_str: &str) -> Result<JsValue, JsError> {
-    // deserialize the ast from a stringified json
-    let program: kcl_lib::ast::types::Program = serde_json::from_str(json_str).map_err(JsError::from)?;
-
-    // Use the default options until we integrate into the UI the ability to change them.
-    let result = program.recast(&Default::default(), 0);
-    Ok(JsValue::from_serde(&result)?)
-}
-
-#[cfg(target_arch = "wasm32")]
-#[wasm_bindgen]
-pub struct ServerConfig {
-    into_server: js_sys::AsyncIterator,
-    from_server: web_sys::WritableStream,
-    fs: kcl_lib::fs::wasm::FileSystemManager,
-}
-
-#[cfg(target_arch = "wasm32")]
-#[wasm_bindgen]
-impl ServerConfig {
-    #[wasm_bindgen(constructor)]
-    pub fn new(
-        into_server: js_sys::AsyncIterator,
-        from_server: web_sys::WritableStream,
-        fs: kcl_lib::fs::wasm::FileSystemManager,
-    ) -> Self {
-        Self {
-            into_server,
-            from_server,
-            fs,
-        }
-    }
-}
-
-/// Run the `kcl` lsp server.
-//
-// NOTE: we don't use web_sys::ReadableStream for input here because on the
-// browser side we need to use a ReadableByteStreamController to construct it
-// and so far only Chromium-based browsers support that functionality.
-
-// NOTE: input needs to be an AsyncIterator<Uint8Array, never, void> specifically
-#[cfg(target_arch = "wasm32")]
-#[wasm_bindgen]
-pub async fn kcl_lsp_run(config: ServerConfig) -> Result<(), JsValue> {
-    let ServerConfig {
-        into_server,
-        from_server,
-        fs,
-    } = config;
-
-    let stdlib = kcl_lib::std::StdLib::new();
-    let stdlib_completions = kcl_lib::lsp::kcl::get_completions_from_stdlib(&stdlib).map_err(|e| e.to_string())?;
-    let stdlib_signatures = kcl_lib::lsp::kcl::get_signatures_from_stdlib(&stdlib).map_err(|e| e.to_string())?;
-    // We can unwrap here because we know the tokeniser is valid, since
-    // we have a test for it.
-    let token_types = kcl_lib::token::TokenType::all_semantic_token_types().unwrap();
-
-    let (service, socket) = LspService::new(|client| kcl_lib::lsp::kcl::Backend {
-        client,
-        fs: kcl_lib::fs::FileManager::new(fs),
-        stdlib_completions,
-        stdlib_signatures,
-        token_types,
-        token_map: Default::default(),
-        ast_map: Default::default(),
-        current_code_map: Default::default(),
-        diagnostics_map: Default::default(),
-        symbols_map: Default::default(),
-        semantic_tokens_map: Default::default(),
-    });
-
-    let input = wasm_bindgen_futures::stream::JsStream::from(into_server);
-    let input = input
-        .map_ok(|value| {
-            value
-                .dyn_into::<js_sys::Uint8Array>()
-                .expect("could not cast stream item to Uint8Array")
-                .to_vec()
-        })
-        .map_err(|_err| std::io::Error::from(std::io::ErrorKind::Other))
-        .into_async_read();
-
-    let output = wasm_bindgen::JsCast::unchecked_into::<wasm_streams::writable::sys::WritableStream>(from_server);
-    let output = wasm_streams::WritableStream::from_raw(output);
-    let output = output.try_into_async_write().map_err(|err| err.0)?;
-
-    Server::new(input, output, socket).serve(service).await;
-
-    Ok(())
-}
-
-/// Run the `copilot` lsp server.
-//
-// NOTE: we don't use web_sys::ReadableStream for input here because on the
-// browser side we need to use a ReadableByteStreamController to construct it
-// and so far only Chromium-based browsers support that functionality.
-
-// NOTE: input needs to be an AsyncIterator<Uint8Array, never, void> specifically
-#[cfg(target_arch = "wasm32")]
-#[wasm_bindgen]
-pub async fn copilot_lsp_run(config: ServerConfig, token: String) -> Result<(), JsValue> {
-    let ServerConfig {
-        into_server,
-        from_server,
-        fs,
-    } = config;
-
-    let (service, socket) = LspService::build(|client| kcl_lib::lsp::copilot::Backend {
-        client,
-        fs: kcl_lib::fs::FileManager::new(fs),
-        current_code_map: Default::default(),
-        editor_info: Arc::new(RwLock::new(kcl_lib::lsp::copilot::types::CopilotEditorInfo::default())),
-        cache: kcl_lib::lsp::copilot::cache::CopilotCache::new(),
-        token,
-    })
-    .custom_method("setEditorInfo", kcl_lib::lsp::copilot::Backend::set_editor_info)
-    .custom_method(
-        "getCompletions",
-        kcl_lib::lsp::copilot::Backend::get_completions_cycling,
-    )
-    .custom_method("notifyAccepted", kcl_lib::lsp::copilot::Backend::accept_completions)
-    .custom_method("notifyRejected", kcl_lib::lsp::copilot::Backend::reject_completions)
-    .finish();
-
-    let input = wasm_bindgen_futures::stream::JsStream::from(into_server);
-    let input = input
-        .map_ok(|value| {
-            value
-                .dyn_into::<js_sys::Uint8Array>()
-                .expect("could not cast stream item to Uint8Array")
-                .to_vec()
-        })
-        .map_err(|_err| std::io::Error::from(std::io::ErrorKind::Other))
-        .into_async_read();
-
-    let output = wasm_bindgen::JsCast::unchecked_into::<wasm_streams::writable::sys::WritableStream>(from_server);
-    let output = wasm_streams::WritableStream::from_raw(output);
-    let output = output.try_into_async_write().map_err(|err| err.0)?;
-
-    Server::new(input, output, socket).serve(service).await;
-
-    Ok(())
-}
-
-#[cfg(target_arch = "wasm32")]
-#[wasm_bindgen]
-pub fn is_points_ccw(points: &[f64]) -> i32 {
-    kcl_lib::std::utils::is_points_ccw_wasm(points)
-}
-
-#[cfg(target_arch = "wasm32")]
-#[wasm_bindgen]
-pub struct TangentialArcInfoOutputWasm {
-    /// The geometric center of the arc x.
-    pub center_x: f64,
-    /// The geometric center of the arc y.
-    pub center_y: f64,
-    /// The midpoint of the arc x.
-    pub arc_mid_point_x: f64,
-    /// The midpoint of the arc y.
-    pub arc_mid_point_y: f64,
-    /// The radius of the arc.
-    pub radius: f64,
-    /// Start angle of the arc in radians.
-    pub start_angle: f64,
-    /// End angle of the arc in radians.
-    pub end_angle: f64,
-    /// Flag to determine if the arc is counter clockwise.
-    pub ccw: i32,
-}
-
-#[cfg(target_arch = "wasm32")]
-#[wasm_bindgen]
-pub fn get_tangential_arc_to_info(
-    arc_start_point_x: f64,
-    arc_start_point_y: f64,
-    arc_end_point_x: f64,
-    arc_end_point_y: f64,
-    tan_previous_point_x: f64,
-    tan_previous_point_y: f64,
-    obtuse: bool,
-) -> TangentialArcInfoOutputWasm {
-    let result = kcl_lib::std::utils::get_tangential_arc_to_info(kcl_lib::std::utils::TangentialArcInfoInput {
-        arc_start_point: [arc_start_point_x, arc_start_point_y],
-        arc_end_point: [arc_end_point_x, arc_end_point_y],
-        tan_previous_point: [tan_previous_point_x, tan_previous_point_y],
-        obtuse: obtuse,
-    });
-    TangentialArcInfoOutputWasm {
-        center_x: result.center[0],
-        center_y: result.center[1],
-        arc_mid_point_x: result.arc_mid_point[0],
-        arc_mid_point_y: result.arc_mid_point[1],
-        radius: result.radius,
-        start_angle: result.start_angle,
-        end_angle: result.end_angle,
-        ccw: result.ccw,
-    }
-}
-
-/// Create the default program memory.
-#[cfg(target_arch = "wasm32")]
-#[wasm_bindgen]
-pub fn program_memory_init() -> Result<JsValue, String> {
-    let memory = kcl_lib::executor::ProgramMemory::default();
-
-    // The serde-wasm-bindgen does not work here because of weird HashMap issues so we use the
-    // gloo-serialize crate instead.
-    JsValue::from_serde(&memory).map_err(|e| e.to_string())
-}

src/wasm-lib/src/wasm.rs

@@ -0,0 +1,320 @@
+//! Wasm bindings for `kcl`.
+
+use std::{
+    str::FromStr,
+    sync::{Arc, RwLock},
+};
+
+use futures::stream::TryStreamExt;
+use gloo_utils::format::JsValueSerdeExt;
+use tower_lsp::{LspService, Server};
+use wasm_bindgen::prelude::*;
+
+// wasm_bindgen wrapper for execute
+#[wasm_bindgen]
+pub async fn execute_wasm(
+    program_str: &str,
+    memory_str: &str,
+    units: &str,
+    engine_manager: kcl_lib::engine::conn_wasm::EngineCommandManager,
+    fs_manager: kcl_lib::fs::wasm::FileSystemManager,
+) -> Result<JsValue, String> {
+    // deserialize the ast from a stringified json
+
+    use kcl_lib::executor::ExecutorContext;
+    let program: kcl_lib::ast::types::Program = serde_json::from_str(program_str).map_err(|e| e.to_string())?;
+    let mut mem: kcl_lib::executor::ProgramMemory = serde_json::from_str(memory_str).map_err(|e| e.to_string())?;
+    let units = kittycad::types::UnitLength::from_str(units).map_err(|e| e.to_string())?;
+
+    let engine = kcl_lib::engine::EngineConnection::new(engine_manager)
+        .await
+        .map_err(|e| format!("{:?}", e))?;
+    let fs = kcl_lib::fs::FileManager::new(fs_manager);
+    let ctx = ExecutorContext {
+        engine,
+        fs,
+        stdlib: std::sync::Arc::new(kcl_lib::std::StdLib::new()),
+        units,
+    };
+
+    let memory = kcl_lib::executor::execute(program, &mut mem, kcl_lib::executor::BodyType::Root, &ctx)
+        .await
+        .map_err(String::from)?;
+    // The serde-wasm-bindgen does not work here because of weird HashMap issues so we use the
+    // gloo-serialize crate instead.
+    JsValue::from_serde(&memory).map_err(|e| e.to_string())
+}
+
+// wasm_bindgen wrapper for execute
+#[wasm_bindgen]
+pub async fn modify_ast_for_sketch_wasm(
+    manager: kcl_lib::engine::conn_wasm::EngineCommandManager,
+    program_str: &str,
+    sketch_name: &str,
+    plane_type: &str,
+    sketch_id: &str,
+) -> Result<JsValue, String> {
+    // deserialize the ast from a stringified json
+    let mut program: kcl_lib::ast::types::Program = serde_json::from_str(program_str).map_err(|e| e.to_string())?;
+
+    let plane: kcl_lib::executor::PlaneType = serde_json::from_str(plane_type).map_err(|e| e.to_string())?;
+
+    let mut engine = kcl_lib::engine::EngineConnection::new(manager)
+        .await
+        .map_err(|e| format!("{:?}", e))?;
+
+    let _ = kcl_lib::ast::modify::modify_ast_for_sketch(
+        &mut engine,
+        &mut program,
+        sketch_name,
+        plane,
+        uuid::Uuid::parse_str(sketch_id).map_err(|e| e.to_string())?,
+    )
+    .await
+    .map_err(String::from)?;
+
+    // The serde-wasm-bindgen does not work here because of weird HashMap issues so we use the
+    // gloo-serialize crate instead.
+    JsValue::from_serde(&program).map_err(|e| e.to_string())
+}
+
+#[wasm_bindgen]
+pub fn deserialize_files(data: &[u8]) -> Result<JsValue, JsError> {
+    let ws_resp: kittycad::types::WebSocketResponse = bson::from_slice(data)?;
+
+    if let Some(success) = ws_resp.success {
+        if !success {
+            return Err(JsError::new(&format!("Server returned error: {:?}", ws_resp.errors)));
+        }
+    }
+
+    if let Some(kittycad::types::OkWebSocketResponseData::Export { files }) = ws_resp.resp {
+        return Ok(JsValue::from_serde(&files)?);
+    }
+
+    Err(JsError::new(&format!("Invalid response type, got: {:?}", ws_resp)))
+}
+
+// wasm_bindgen wrapper for lexer
+// test for this function and by extension lexer are done in javascript land src/lang/tokeniser.test.ts
+#[wasm_bindgen]
+pub fn lexer_wasm(js: &str) -> Result<JsValue, JsError> {
+    let tokens = kcl_lib::token::lexer(js);
+    Ok(JsValue::from_serde(&tokens)?)
+}
+
+#[wasm_bindgen]
+pub fn parse_wasm(js: &str) -> Result<JsValue, String> {
+    let tokens = kcl_lib::token::lexer(js);
+    let parser = kcl_lib::parser::Parser::new(tokens);
+    let program = parser.ast().map_err(String::from)?;
+    // The serde-wasm-bindgen does not work here because of weird HashMap issues so we use the
+    // gloo-serialize crate instead.
+    JsValue::from_serde(&program).map_err(|e| e.to_string())
+}
+
+// wasm_bindgen wrapper for recast
+// test for this function and by extension the recaster are done in javascript land src/lang/recast.test.ts
+#[wasm_bindgen]
+pub fn recast_wasm(json_str: &str) -> Result<JsValue, JsError> {
+    // deserialize the ast from a stringified json
+    let program: kcl_lib::ast::types::Program = serde_json::from_str(json_str).map_err(JsError::from)?;
+
+    // Use the default options until we integrate into the UI the ability to change them.
+    let result = program.recast(&Default::default(), 0);
+    Ok(JsValue::from_serde(&result)?)
+}
+
+#[wasm_bindgen]
+pub struct ServerConfig {
+    into_server: js_sys::AsyncIterator,
+    from_server: web_sys::WritableStream,
+    fs: kcl_lib::fs::wasm::FileSystemManager,
+}
+
+#[wasm_bindgen]
+impl ServerConfig {
+    #[wasm_bindgen(constructor)]
+    pub fn new(
+        into_server: js_sys::AsyncIterator,
+        from_server: web_sys::WritableStream,
+        fs: kcl_lib::fs::wasm::FileSystemManager,
+    ) -> Self {
+        Self {
+            into_server,
+            from_server,
+            fs,
+        }
+    }
+}
+
+/// Run the `kcl` lsp server.
+//
+// NOTE: we don't use web_sys::ReadableStream for input here because on the
+// browser side we need to use a ReadableByteStreamController to construct it
+// and so far only Chromium-based browsers support that functionality.
+
+// NOTE: input needs to be an AsyncIterator<Uint8Array, never, void> specifically
+#[wasm_bindgen]
+pub async fn kcl_lsp_run(config: ServerConfig) -> Result<(), JsValue> {
+    let ServerConfig {
+        into_server,
+        from_server,
+        fs,
+    } = config;
+
+    let stdlib = kcl_lib::std::StdLib::new();
+    let stdlib_completions = kcl_lib::lsp::kcl::get_completions_from_stdlib(&stdlib).map_err(|e| e.to_string())?;
+    let stdlib_signatures = kcl_lib::lsp::kcl::get_signatures_from_stdlib(&stdlib).map_err(|e| e.to_string())?;
+    // We can unwrap here because we know the tokeniser is valid, since
+    // we have a test for it.
+    let token_types = kcl_lib::token::TokenType::all_semantic_token_types().unwrap();
+
+    let (service, socket) = LspService::new(|client| kcl_lib::lsp::kcl::Backend {
+        client,
+        fs: kcl_lib::fs::FileManager::new(fs),
+        stdlib_completions,
+        stdlib_signatures,
+        token_types,
+        token_map: Default::default(),
+        ast_map: Default::default(),
+        current_code_map: Default::default(),
+        diagnostics_map: Default::default(),
+        symbols_map: Default::default(),
+        semantic_tokens_map: Default::default(),
+    });
+
+    let input = wasm_bindgen_futures::stream::JsStream::from(into_server);
+    let input = input
+        .map_ok(|value| {
+            value
+                .dyn_into::<js_sys::Uint8Array>()
+                .expect("could not cast stream item to Uint8Array")
+                .to_vec()
+        })
+        .map_err(|_err| std::io::Error::from(std::io::ErrorKind::Other))
+        .into_async_read();
+
+    let output = wasm_bindgen::JsCast::unchecked_into::<wasm_streams::writable::sys::WritableStream>(from_server);
+    let output = wasm_streams::WritableStream::from_raw(output);
+    let output = output.try_into_async_write().map_err(|err| err.0)?;
+
+    Server::new(input, output, socket).serve(service).await;
+
+    Ok(())
+}
+
+/// Run the `copilot` lsp server.
+//
+// NOTE: we don't use web_sys::ReadableStream for input here because on the
+// browser side we need to use a ReadableByteStreamController to construct it
+// and so far only Chromium-based browsers support that functionality.
+
+// NOTE: input needs to be an AsyncIterator<Uint8Array, never, void> specifically
+#[wasm_bindgen]
+pub async fn copilot_lsp_run(config: ServerConfig, token: String) -> Result<(), JsValue> {
+    let ServerConfig {
+        into_server,
+        from_server,
+        fs,
+    } = config;
+
+    let (service, socket) = LspService::build(|client| kcl_lib::lsp::copilot::Backend {
+        client,
+        fs: kcl_lib::fs::FileManager::new(fs),
+        current_code_map: Default::default(),
+        editor_info: Arc::new(RwLock::new(kcl_lib::lsp::copilot::types::CopilotEditorInfo::default())),
+        cache: kcl_lib::lsp::copilot::cache::CopilotCache::new(),
+        token,
+    })
+    .custom_method("setEditorInfo", kcl_lib::lsp::copilot::Backend::set_editor_info)
+    .custom_method(
+        "getCompletions",
+        kcl_lib::lsp::copilot::Backend::get_completions_cycling,
+    )
+    .custom_method("notifyAccepted", kcl_lib::lsp::copilot::Backend::accept_completions)
+    .custom_method("notifyRejected", kcl_lib::lsp::copilot::Backend::reject_completions)
+    .finish();
+
+    let input = wasm_bindgen_futures::stream::JsStream::from(into_server);
+    let input = input
+        .map_ok(|value| {
+            value
+                .dyn_into::<js_sys::Uint8Array>()
+                .expect("could not cast stream item to Uint8Array")
+                .to_vec()
+        })
+        .map_err(|_err| std::io::Error::from(std::io::ErrorKind::Other))
+        .into_async_read();
+
+    let output = wasm_bindgen::JsCast::unchecked_into::<wasm_streams::writable::sys::WritableStream>(from_server);
+    let output = wasm_streams::WritableStream::from_raw(output);
+    let output = output.try_into_async_write().map_err(|err| err.0)?;
+
+    Server::new(input, output, socket).serve(service).await;
+
+    Ok(())
+}
+
+#[wasm_bindgen]
+pub fn is_points_ccw(points: &[f64]) -> i32 {
+    kcl_lib::std::utils::is_points_ccw_wasm(points)
+}
+
+#[wasm_bindgen]
+pub struct TangentialArcInfoOutputWasm {
+    /// The geometric center of the arc x.
+    pub center_x: f64,
+    /// The geometric center of the arc y.
+    pub center_y: f64,
+    /// The midpoint of the arc x.
+    pub arc_mid_point_x: f64,
+    /// The midpoint of the arc y.
+    pub arc_mid_point_y: f64,
+    /// The radius of the arc.
+    pub radius: f64,
+    /// Start angle of the arc in radians.
+    pub start_angle: f64,
+    /// End angle of the arc in radians.
+    pub end_angle: f64,
+    /// Flag to determine if the arc is counter clockwise.
+    pub ccw: i32,
+}
+
+#[wasm_bindgen]
+pub fn get_tangential_arc_to_info(
+    arc_start_point_x: f64,
+    arc_start_point_y: f64,
+    arc_end_point_x: f64,
+    arc_end_point_y: f64,
+    tan_previous_point_x: f64,
+    tan_previous_point_y: f64,
+    obtuse: bool,
+) -> TangentialArcInfoOutputWasm {
+    let result = kcl_lib::std::utils::get_tangential_arc_to_info(kcl_lib::std::utils::TangentialArcInfoInput {
+        arc_start_point: [arc_start_point_x, arc_start_point_y],
+        arc_end_point: [arc_end_point_x, arc_end_point_y],
+        tan_previous_point: [tan_previous_point_x, tan_previous_point_y],
+        obtuse: obtuse,
+    });
+    TangentialArcInfoOutputWasm {
+        center_x: result.center[0],
+        center_y: result.center[1],
+        arc_mid_point_x: result.arc_mid_point[0],
+        arc_mid_point_y: result.arc_mid_point[1],
+        radius: result.radius,
+        start_angle: result.start_angle,
+        end_angle: result.end_angle,
+        ccw: result.ccw,
+    }
+}
+
+/// Create the default program memory.
+#[wasm_bindgen]
+pub fn program_memory_init() -> Result<JsValue, String> {
+    let memory = kcl_lib::executor::ProgramMemory::default();
+
+    // The serde-wasm-bindgen does not work here because of weird HashMap issues so we use the
+    // gloo-serialize crate instead.
+    JsValue::from_serde(&memory).map_err(|e| e.to_string())
+}

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

@@ -3,7 +3,7 @@ use kcl_lib::engine::EngineManager;
 
 /// Executes a kcl program and takes a snapshot of the result.
 /// This returns the bytes of the snapshot.
-async fn execute_and_snapshot(code: &str) -> Result<image::DynamicImage> {
+async fn execute_and_snapshot(code: &str, units: kittycad::types::UnitLength) -> Result<image::DynamicImage> {
     let user_agent = concat!(env!("CARGO_PKG_NAME"), ".rs/", env!("CARGO_PKG_VERSION"),);
     let http_client = reqwest::Client::builder()
         .user_agent(user_agent)
@@ -38,9 +38,25 @@ async fn execute_and_snapshot(code: &str) -> Result<image::DynamicImage> {
     let parser = kcl_lib::parser::Parser::new(tokens);
     let program = parser.ast()?;
     let mut mem: kcl_lib::executor::ProgramMemory = Default::default();
-    let ctx = kcl_lib::executor::ExecutorContext::new(ws).await?;
+    let ctx = kcl_lib::executor::ExecutorContext::new(ws, units.clone()).await?;
+
     let _ = kcl_lib::executor::execute(program, &mut mem, kcl_lib::executor::BodyType::Root, &ctx).await?;
 
+    let (x, y) = kcl_lib::std::utils::get_camera_zoom_magnitude_per_unit_length(units);
+
+    ctx.engine
+        .send_modeling_cmd(
+            uuid::Uuid::new_v4(),
+            kcl_lib::executor::SourceRange::default(),
+            kittycad::types::ModelingCmd::DefaultCameraLookAt {
+                center: kittycad::types::Point3D { x: 0.0, y: 0.0, z: 0.0 },
+                up: kittycad::types::Point3D { x: 0.0, y: 0.0, z: 1.0 },
+                vantage: kittycad::types::Point3D { x: 0.0, y: -x, z: y },
+                sequence: None,
+            },
+        )
+        .await?;
+
     // Send a snapshot request to the engine.
     let resp = ctx
         .engine
@@ -87,7 +103,9 @@ const part002 = startSketchOn(part001, "here")
   |> extrude(5, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/sketch_on_face.png", &result, 0.999);
 }
 
@@ -115,7 +133,9 @@ const part002 = startSketchOn(part001, "start")
   |> extrude(5, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/sketch_on_face_start.png", &result, 0.999);
 }
 
@@ -143,7 +163,9 @@ const part002 = startSketchOn(part001, "END")
   |> extrude(5, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/sketch_on_face_end.png", &result, 0.999);
 }
 
@@ -162,10 +184,11 @@ async fn serial_test_execute_with_function_sketch() {
 }
 
 const fnBox = box(3, 6, 10)
+"#;
 
-show(fnBox)"#;
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
-
+        .await
-    let result = execute_and_snapshot(code).await.unwrap();
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/function_sketch.png", &result, 0.999);
 }
 
@@ -183,9 +206,11 @@ async fn serial_test_execute_with_function_sketch_with_position() {
   return myBox
 }
 
-show(box([0,0], 3, 6, 10))"#;
+const thing = box([0,0], 3, 6, 10)"#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image(
         "tests/executor/outputs/function_sketch_with_position.png",
         &result,
@@ -204,10 +229,11 @@ async fn serial_test_execute_with_angled_line() {
   |> line([-13.02, 10.03], %)
   |> close(%)
   |> extrude(4, %)
+"#;
 
-show(part001)"#;
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
-
+        .await
-    let result = execute_and_snapshot(code).await.unwrap();
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/angled_line.png", &result, 0.999);
 }
 
@@ -231,10 +257,11 @@ const bracket = startSketchOn('XY')
   |> line([0, -leg1 + thickness], %)
   |> close(%)
   |> extrude(width, %)
+"#;
 
-show(bracket)"#;
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
-
+        .await
-    let result = execute_and_snapshot(code).await.unwrap();
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/parametric.png", &result, 0.999);
 }
 
@@ -266,10 +293,11 @@ const bracket = startSketchAt([0, 0])
   |> line([0, -wallMountL], %)
   |> close(%)
   |> extrude(width, %)
+"#;
 
-show(bracket)"#;
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
-
+        .await
-    let result = execute_and_snapshot(code).await.unwrap();
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/parametric_with_tan_arc.png", &result, 0.999);
 }
 
@@ -284,7 +312,7 @@ async fn serial_test_execute_engine_error_return() {
   |> extrude(4, %)
 "#;
 
-    let result = execute_and_snapshot(code).await;
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm).await;
     assert!(result.is_err());
     assert_eq!(
         result.err().unwrap().to_string(),
@@ -297,7 +325,9 @@ async fn serial_test_execute_engine_error_return() {
 async fn serial_test_execute_pipes_on_pipes() {
     let code = include_str!("inputs/pipes_on_pipes.kcl");
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/pipes_on_pipes.png", &result, 0.999);
 }
 
@@ -305,7 +335,9 @@ async fn serial_test_execute_pipes_on_pipes() {
 async fn serial_test_execute_cylinder() {
     let code = include_str!("inputs/cylinder.kcl");
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/cylinder.png", &result, 0.999);
 }
 
@@ -314,7 +346,9 @@ async fn serial_test_execute_cylinder() {
 async fn serial_test_execute_kittycad_svg() {
     let code = include_str!("inputs/kittycad_svg.kcl");
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/kittycad_svg.png", &result, 0.999);
 }
 
@@ -335,11 +369,11 @@ const b2 = cube([3,3], 4)
 
 const pt1 = b1.value[0]
 const pt2 = b2.value[0]
+"#;
 
-show(b1)
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
-show(b2)"#;
+        .await
-
+        .unwrap();
-    let result = execute_and_snapshot(code).await.unwrap();
     twenty_twenty::assert_image(
         "tests/executor/outputs/member_expression_sketch_group.png",
         &result,
@@ -358,10 +392,11 @@ const body = startSketchOn('XY')
       |> arc({angle_end: 360, angle_start: 0, radius: radius}, %)
       |> close(%)
       |> extrude(height, %)
+"#;
 
-show(body)"#;
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
-
+        .await
-    let result = execute_and_snapshot(code).await.unwrap();
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/close_arc.png", &result, 0.999);
 }
 
@@ -387,7 +422,9 @@ box(10, 23, 8)
 let thing = box(-12, -15, 10)
 box(-20, -5, 10)"#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/negative_args.png", &result, 0.999);
 }
 
@@ -400,7 +437,9 @@ async fn serial_test_basic_tangential_arc() {
     |> extrude(10, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/tangential_arc.png", &result, 0.999);
 }
 
@@ -413,7 +452,9 @@ async fn serial_test_basic_tangential_arc_with_point() {
     |> extrude(10, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/tangential_arc_with_point.png", &result, 0.999);
 }
 
@@ -426,7 +467,9 @@ async fn serial_test_basic_tangential_arc_to() {
     |> extrude(10, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/tangential_arc_to.png", &result, 0.999);
 }
 
@@ -453,7 +496,9 @@ box(30, 43, 18, '-xy')
 let thing = box(-12, -15, 10, 'yz')
 box(-20, -5, 10, 'xy')"#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image(
         "tests/executor/outputs/different_planes_same_drawing.png",
         &result,
@@ -488,7 +533,6 @@ const bracket = startSketchOn('XY')
   |> close(%)
   |> extrude(width, %)
 
-show(bracket)
 const part001 = startSketchOn('XY')
   |> startProfileAt([-15.53, -10.28], %)
   |> line([10.49, -2.08], %)
@@ -516,7 +560,9 @@ const part004 = startSketchOn('YZ')
   |> close(%)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/lots_of_planes.png", &result, 0.999);
 }
 
@@ -540,11 +586,11 @@ const square = startSketchOn('XY')
   |> hole(circle([2, 2], .5), %)
   |> hole(circle([2, 8], .5), %)
   |> extrude(2, %)
-
-show(square)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/holes.png", &result, 0.999);
 }
 
@@ -560,9 +606,11 @@ async fn optional_params() {
       return sg
   }
 
-  show(circle([2, 2], 20))
+const thing = circle([2, 2], 20)
 "#;
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/optional_params.png", &result, 0.999);
 }
 
@@ -608,10 +656,11 @@ const part = roundedRectangle([0, 0], 20, 20, 4)
   |> hole(circle([-holeIndex, -holeIndex], holeRadius), %)
   |> hole(circle([holeIndex, -holeIndex], holeRadius), %)
   |> extrude(2, %)
+"#;
 
-show(part)"#;
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
-
+        .await
-    let result = execute_and_snapshot(code).await.unwrap();
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/rounded_with_holes.png", &result, 0.999);
 }
 
@@ -631,7 +680,9 @@ async fn serial_test_top_level_expression() {
 
 circle([0,0], 22) |> extrude(14, %)"#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/top_level_expression.png", &result, 0.999);
 }
 
@@ -653,7 +704,9 @@ const part = circle([0,0], 2)
     |> patternLinear({axis: [0,0,1], repetitions: 12, distance: 2}, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/patterns_linear_basic.png", &result, 0.999);
 }
 
@@ -681,7 +734,9 @@ const part = startSketchOn('XY')
     |> patternLinear({axis: [1, 0,1], repetitions: 3, distance: 6}, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/patterns_linear_basic_3d.png", &result, 0.999);
 }
 
@@ -703,7 +758,9 @@ const part = circle([0,0], 2)
     |> patternLinear({axis: [0,0,1], repetitions: 12, distance: -2}, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image(
         "tests/executor/outputs/patterns_linear_basic_negative_distance.png",
         &result,
@@ -729,7 +786,9 @@ const part = circle([0,0], 2)
     |> patternLinear({axis: [0,0,-1], repetitions: 12, distance: 2}, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image(
         "tests/executor/outputs/patterns_linear_basic_negative_axis.png",
         &result,
@@ -764,7 +823,9 @@ const rectangle = startSketchOn('XY')
 
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/patterns_linear_basic_holes.png", &result, 0.999);
 }
 
@@ -786,7 +847,9 @@ const part = circle([0,0], 2)
     |> patternCircular({axis: [0,0,1], center: [20, 20, 20], repetitions: 12, arcDegrees: 210, rotateDuplicates: true}, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/patterns_circular_basic_2d.png", &result, 0.999);
 }
 
@@ -814,7 +877,9 @@ const part = startSketchOn('XY')
     |> patternCircular({axis: [0,1,0], center: [-20, -20, -20], repetitions: 40, arcDegrees: 360, rotateDuplicates: false}, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/patterns_circular_basic_3d.png", &result, 0.999);
 }
 
@@ -842,7 +907,9 @@ const part = startSketchOn('XY')
     |> patternCircular({axis: [1,1,-1], center: [10, 0, 10], repetitions: 10, arcDegrees: 360, rotateDuplicates: true}, %)
 "#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image(
         "tests/executor/outputs/patterns_circular_3d_tilted_axis.png",
         &result,
@@ -854,7 +921,7 @@ const part = startSketchOn('XY')
 async fn serial_test_import_file_doesnt_exist() {
     let code = r#"const model = import("thing.obj")"#;
 
-    let result = execute_and_snapshot(code).await;
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm).await;
     assert!(result.is_err());
     assert_eq!(
         result.err().unwrap().to_string(),
@@ -866,7 +933,9 @@ async fn serial_test_import_file_doesnt_exist() {
 async fn serial_test_import_obj_with_mtl() {
     let code = r#"const model = import("tests/executor/inputs/cube.obj")"#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/import_obj_with_mtl.png", &result, 0.999);
 }
 
@@ -874,7 +943,9 @@ async fn serial_test_import_obj_with_mtl() {
 async fn serial_test_import_obj_with_mtl_units() {
     let code = r#"const model = import("tests/executor/inputs/cube.obj", {type: "obj", units: "m"})"#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/import_obj_with_mtl_units.png", &result, 0.999);
 }
 
@@ -882,7 +953,9 @@ async fn serial_test_import_obj_with_mtl_units() {
 async fn serial_test_import_gltf_with_bin() {
     let code = r#"const model = import("tests/executor/inputs/cube.gltf")"#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/import_gltf_with_bin.png", &result, 0.999);
 }
 
@@ -890,7 +963,9 @@ async fn serial_test_import_gltf_with_bin() {
 async fn serial_test_import_gltf_embedded() {
     let code = r#"const model = import("tests/executor/inputs/cube-embedded.gltf")"#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/import_gltf_embedded.png", &result, 0.999);
 }
 
@@ -898,7 +973,9 @@ async fn serial_test_import_gltf_embedded() {
 async fn serial_test_import_glb() {
     let code = r#"const model = import("tests/executor/inputs/cube.glb")"#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/import_glb.png", &result, 0.999);
 }
 
@@ -906,7 +983,9 @@ async fn serial_test_import_glb() {
 async fn serial_test_import_glb_no_assign() {
     let code = r#"import("tests/executor/inputs/cube.glb")"#;
 
-    let result = execute_and_snapshot(code).await.unwrap();
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/import_glb_no_assign.png", &result, 0.999);
 }
 
@@ -914,10 +993,148 @@ async fn serial_test_import_glb_no_assign() {
 async fn serial_test_import_ext_doesnt_match() {
     let code = r#"const model = import("tests/executor/inputs/cube.gltf", {type: "obj", units: "m"})"#;
 
-    let result = execute_and_snapshot(code).await;
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm).await;
     assert!(result.is_err());
     assert_eq!(
         result.err().unwrap().to_string(),
         r#"semantic: KclErrorDetails { source_ranges: [SourceRange([14, 82])], message: "The given format does not match the file extension. Expected: `gltf`, Given: `obj`" }"#
     );
 }
+
+#[tokio::test(flavor = "multi_thread")]
+async fn serial_test_cube_mm() {
+    let code = r#"fn cube = (pos, scale) => {
+  const sg = startSketchOn('XY')
+    |> startProfileAt(pos, %)
+    |> line([0, scale], %)
+    |> line([scale, 0], %)
+    |> line([0, -scale], %)
+    |> close(%)
+    |> extrude(scale, %)
+
+  return sg
+}
+
+const myCube = cube([0,0], 10)
+"#;
+
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
+    twenty_twenty::assert_image("tests/executor/outputs/cube_mm.png", &result, 1.0);
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn serial_test_cube_cm() {
+    let code = r#"fn cube = (pos, scale) => {
+  const sg = startSketchOn('XY')
+    |> startProfileAt(pos, %)
+    |> line([0, scale], %)
+    |> line([scale, 0], %)
+    |> line([0, -scale], %)
+    |> close(%)
+    |> extrude(scale, %)
+
+  return sg
+}
+
+const myCube = cube([0,0], 10)
+"#;
+
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Cm)
+        .await
+        .unwrap();
+    twenty_twenty::assert_image("tests/executor/outputs/cube_cm.png", &result, 1.0);
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn serial_test_cube_m() {
+    let code = r#"fn cube = (pos, scale) => {
+  const sg = startSketchOn('XY')
+    |> startProfileAt(pos, %)
+    |> line([0, scale], %)
+    |> line([scale, 0], %)
+    |> line([0, -scale], %)
+    |> close(%)
+    |> extrude(scale, %)
+
+  return sg
+}
+
+const myCube = cube([0,0], 10)
+"#;
+
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::M)
+        .await
+        .unwrap();
+    twenty_twenty::assert_image("tests/executor/outputs/cube_m.png", &result, 1.0);
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn serial_test_cube_in() {
+    let code = r#"fn cube = (pos, scale) => {
+  const sg = startSketchOn('XY')
+    |> startProfileAt(pos, %)
+    |> line([0, scale], %)
+    |> line([scale, 0], %)
+    |> line([0, -scale], %)
+    |> close(%)
+    |> extrude(scale, %)
+
+  return sg
+}
+
+const myCube = cube([0,0], 10)
+"#;
+
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::In)
+        .await
+        .unwrap();
+    twenty_twenty::assert_image("tests/executor/outputs/cube_in.png", &result, 1.0);
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn serial_test_cube_ft() {
+    let code = r#"fn cube = (pos, scale) => {
+  const sg = startSketchOn('XY')
+    |> startProfileAt(pos, %)
+    |> line([0, scale], %)
+    |> line([scale, 0], %)
+    |> line([0, -scale], %)
+    |> close(%)
+    |> extrude(scale, %)
+
+  return sg
+}
+
+const myCube = cube([0,0], 10)
+"#;
+
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Ft)
+        .await
+        .unwrap();
+    twenty_twenty::assert_image("tests/executor/outputs/cube_ft.png", &result, 1.0);
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn serial_test_cube_yd() {
+    let code = r#"fn cube = (pos, scale) => {
+  const sg = startSketchOn('XY')
+    |> startProfileAt(pos, %)
+    |> line([0, scale], %)
+    |> line([scale, 0], %)
+    |> line([0, -scale], %)
+    |> close(%)
+    |> extrude(scale, %)
+
+  return sg
+}
+
+const myCube = cube([0,0], 10)
+"#;
+
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Yd)
+        .await
+        .unwrap();
+    twenty_twenty::assert_image("tests/executor/outputs/cube_yd.png", &result, 1.0);
+}

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

@@ -37,7 +37,7 @@ async fn setup(code: &str, name: &str) -> Result<(ExecutorContext, Program, uuid
     let parser = kcl_lib::parser::Parser::new(tokens);
     let program = parser.ast()?;
     let mut mem: kcl_lib::executor::ProgramMemory = Default::default();
-    let ctx = kcl_lib::executor::ExecutorContext::new(ws).await?;
+    let ctx = kcl_lib::executor::ExecutorContext::new(ws, kittycad::types::UnitLength::Mm).await?;
     let memory = kcl_lib::executor::execute(program.clone(), &mut mem, kcl_lib::executor::BodyType::Root, &ctx).await?;
 
     // We need to get the sketch ID.