[fix] copy bindings (#124)

* v0.0.103

* Copies bindings together with shapes that are bound

* Remove old shape bindings from copied shape handles

lerna.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.0.102",
+  "version": "0.0.103",
   "registry": "https://registry.npmjs.org/",
   "publishConfig": {
     "access": "public",

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tldraw/core",
-  "version": "0.0.102",
+  "version": "0.0.103",
   "private": false,
   "description": "A tiny little drawing app (core)",
   "author": "@steveruizok",
@@ -57,8 +57,8 @@
     "react-dom": "^16.8 || ^17.0"
   },
   "dependencies": {
-    "@tldraw/intersect": "^0.0.102",
-    "@tldraw/vec": "^0.0.102",
+    "@tldraw/intersect": "^0.0.103",
+    "@tldraw/vec": "^0.0.103",
     "@use-gesture/react": "^10.0.0-beta.26"
   },
   "gitHead": "5cb031ddc264846ec6732d7179511cddea8ef034"

packages/dev/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tldraw/dev",
-  "version": "0.0.102",
+  "version": "0.0.103",
   "private": true,
   "description": "A tiny little drawing app (dev)",
   "author": "@steveruizok",
@@ -19,7 +19,7 @@
   ],
   "sideEffects": false,
   "dependencies": {
-    "@tldraw/tldraw": "^0.0.102",
+    "@tldraw/tldraw": "^0.0.103",
     "idb": "^6.1.2",
     "react": ">=16.8",
     "react-dom": "^16.8 || ^17.0",

packages/intersect/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tldraw/intersect",
-  "version": "0.0.102",
+  "version": "0.0.103",
   "private": false,
   "description": "A tiny little drawing app (intersect)",
   "author": "@steveruizok",
@@ -48,7 +48,7 @@
     "typescript": "^4.4.2"
   },
   "dependencies": {
-    "@tldraw/vec": "^0.0.102"
+    "@tldraw/vec": "^0.0.103"
   },
   "gitHead": "5cb031ddc264846ec6732d7179511cddea8ef034"
 }

packages/tldraw/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tldraw/tldraw",
-  "version": "0.0.102",
+  "version": "0.0.103",
   "private": false,
   "description": "A tiny little drawing app (editor)",
   "author": "@steveruizok",
@@ -64,12 +64,12 @@
     "@radix-ui/react-tooltip": "^0.0.20",
     "@stitches/core": "^1.2.0",
     "@stitches/react": "^1.0.0",
-    "@tldraw/core": "^0.0.102",
-    "@tldraw/intersect": "^0.0.102",
-    "@tldraw/vec": "^0.0.102",
+    "@tldraw/core": "^0.0.103",
+    "@tldraw/intersect": "^0.0.103",
+    "@tldraw/vec": "^0.0.103",
     "perfect-freehand": "^1.0.12",
     "react-hotkeys-hook": "^3.4.0",
     "rko": "^0.5.25"
   },
   "gitHead": "5cb031ddc264846ec6732d7179511cddea8ef034"
-}
+}

packages/tldraw/src/state/__snapshots__/tlstate.spec.ts.snap

@@ -16,6 +16,7 @@ Array [
         },
         "pages": Object {
           "page1": Object {
+            "bindings": Object {},
             "shapes": Object {
               "rect1": Object {
                 "childIndex": 1,
@@ -53,6 +54,7 @@ Array [
         },
         "pages": Object {
           "page1": Object {
+            "bindings": Object {},
             "shapes": Object {
               "rect1": undefined,
             },
@@ -74,6 +76,7 @@ Array [
         },
         "pages": Object {
           "page1": Object {
+            "bindings": Object {},
             "shapes": Object {
               "rect2": Object {
                 "childIndex": 1,
@@ -113,6 +116,7 @@ Array [
         },
         "pages": Object {
           "page1": Object {
+            "bindings": Object {},
             "shapes": Object {
               "rect2": undefined,
             },

packages/tldraw/src/state/command/create/create.command.spec.ts

@@ -21,7 +21,7 @@ describe('Create command', () => {
 
   it('does, undoes and redoes command', () => {
     const shape = { ...tlstate.getShape('rect1'), id: 'rect4' }
-    tlstate.create(shape)
+    tlstate.create([shape])
 
     expect(tlstate.getShape('rect4')).toBeTruthy()
 
@@ -33,4 +33,6 @@ describe('Create command', () => {
 
     expect(tlstate.getShape('rect4')).toBeTruthy()
   })
+
+  it.todo('Creates bindings')
 })

packages/tldraw/src/state/command/create/create.command.ts

@@ -1,8 +1,12 @@
 import type { Patch } from 'rko'
 import { TLDR } from '~state/tldr'
-import type { TLDrawShape, Data, TLDrawCommand } from '~types'
+import type { TLDrawShape, Data, TLDrawCommand, TLDrawBinding } from '~types'
 
-export function create(data: Data, shapes: TLDrawShape[]): TLDrawCommand {
+export function create(
+  data: Data,
+  shapes: TLDrawShape[],
+  bindings: TLDrawBinding[] = []
+): TLDrawCommand {
   const { currentPageId } = data.appState
 
   const beforeShapes: Record<string, Patch<TLDrawShape> | undefined> = {}
@@ -13,6 +17,14 @@ export function create(data: Data, shapes: TLDrawShape[]): TLDrawCommand {
     afterShapes[shape.id] = shape
   })
 
+  const beforeBindings: Record<string, Patch<TLDrawBinding> | undefined> = {}
+  const afterBindings: Record<string, Patch<TLDrawBinding> | undefined> = {}
+
+  bindings.forEach((binding) => {
+    beforeBindings[binding.id] = undefined
+    afterBindings[binding.id] = binding
+  })
+
   return {
     id: 'create',
     before: {
@@ -20,6 +32,7 @@ export function create(data: Data, shapes: TLDrawShape[]): TLDrawCommand {
         pages: {
           [currentPageId]: {
             shapes: beforeShapes,
+            bindings: beforeBindings,
           },
         },
         pageStates: {
@@ -34,6 +47,7 @@ export function create(data: Data, shapes: TLDrawShape[]): TLDrawCommand {
         pages: {
           [currentPageId]: {
             shapes: afterShapes,
+            bindings: afterBindings,
           },
         },
         pageStates: {

packages/tldraw/src/state/session/sessions/draw/draw.session.spec.ts

@@ -11,7 +11,7 @@ describe('Draw session', () => {
     expect(tlstate.getShape('draw1')).toBe(undefined)
 
     tlstate
-      .create({
+      .createShapes({
         id: 'draw1',
         parentId: 'page1',
         name: 'Draw',

packages/tldraw/src/state/tlstate.spec.ts

@@ -1,13 +1,13 @@
 import { TLDrawState } from './tlstate'
 import { mockDocument, TLStateUtils } from '~test'
-import { ColorStyle, TLDrawShapeType } from '~types'
+import { ArrowShape, ColorStyle, TLDrawShapeType } from '~types'
 
 describe('TLDrawState', () => {
   const tlstate = new TLDrawState()
 
   const tlu = new TLStateUtils(tlstate)
 
-  describe('Copy and Paste', () => {
+  describe('When copying and pasting...', () => {
     it('copies a shape', () => {
       tlstate.loadDocument(mockDocument).deselectAll().copy(['rect1'])
     })
@@ -45,6 +45,62 @@ describe('TLDrawState', () => {
 
       expect(Object.keys(tlstate.page.shapes).length).toBe(1)
     })
+
+    it.todo("Pastes in to the top child index of the page's children.")
+
+    it.todo('Pastes in the correct child index order.')
+  })
+
+  describe('When copying and pasting a shape with bindings', () => {
+    it('copies two bound shapes and their binding', () => {
+      const tlstate = new TLDrawState()
+
+      tlstate
+        .createShapes(
+          { type: TLDrawShapeType.Rectangle, id: 'target1', point: [0, 0], size: [100, 100] },
+          { type: TLDrawShapeType.Arrow, id: 'arrow1', point: [200, 200] }
+        )
+        .select('arrow1')
+        .startHandleSession([200, 200], 'start')
+        .updateHandleSession([55, 55])
+        .completeSession()
+
+      expect(tlstate.bindings.length).toBe(1)
+
+      tlstate.selectAll().copy().paste()
+
+      const newArrow = tlstate.shapes.sort((a, b) => b.childIndex - a.childIndex)[0] as ArrowShape
+
+      expect(newArrow.handles.start.bindingId).not.toBe(
+        tlstate.getShape<ArrowShape>('arrow1').handles.start.bindingId
+      )
+
+      expect(tlstate.bindings.length).toBe(2)
+    })
+
+    it('removes bindings from copied shape handles', () => {
+      const tlstate = new TLDrawState()
+
+      tlstate
+        .createShapes(
+          { type: TLDrawShapeType.Rectangle, id: 'target1', point: [0, 0], size: [100, 100] },
+          { type: TLDrawShapeType.Arrow, id: 'arrow1', point: [200, 200] }
+        )
+        .select('arrow1')
+        .startHandleSession([200, 200], 'start')
+        .updateHandleSession([55, 55])
+        .completeSession()
+
+      expect(tlstate.bindings.length).toBe(1)
+
+      expect(tlstate.getShape<ArrowShape>('arrow1').handles.start.bindingId).toBeDefined()
+
+      tlstate.select('arrow1').copy().paste()
+
+      const newArrow = tlstate.shapes.sort((a, b) => b.childIndex - a.childIndex)[0] as ArrowShape
+
+      expect(newArrow.handles.start.bindingId).toBeUndefined()
+    })
   })
 
   describe('Selection', () => {

packages/tldraw/src/state/tlstate.ts

@@ -107,7 +107,10 @@ export class TLDrawState extends StateManager<Data> {
     pointer: 0,
   }
 
-  clipboard?: TLDrawShape[]
+  clipboard?: {
+    shapes: TLDrawShape[]
+    bindings: TLDrawBinding[]
+  }
 
   session?: Session
 
@@ -845,16 +848,32 @@ export class TLDrawState extends StateManager<Data> {
    * @param ids The ids of the shapes to copy.
    */
   copy = (ids = this.selectedIds): this => {
-    const clones = ids
-      .flatMap((id) => TLDR.getDocumentBranch(this.state, id, this.currentPageId))
-      .map((id) => this.getShape(id, this.currentPageId))
+    const copyingShapeIds = ids.flatMap((id) =>
+      TLDR.getDocumentBranch(this.state, id, this.currentPageId)
+    )
 
-    if (clones.length === 0) return this
+    const copyingShapes = copyingShapeIds.map((id) =>
+      Utils.deepClone(this.getShape(id, this.currentPageId))
+    )
+
+    if (copyingShapes.length === 0) return this
+
+    const copyingBindings: TLDrawBinding[] = Object.values(this.page.bindings).filter(
+      (binding) =>
+        copyingShapeIds.includes(binding.fromId) && copyingShapeIds.includes(binding.toId)
+    )
 
-    this.clipboard = clones
+    this.clipboard = {
+      shapes: copyingShapes,
+      bindings: copyingBindings,
+    }
 
     try {
-      const text = JSON.stringify({ type: 'tldr/clipboard', shapes: clones })
+      const text = JSON.stringify({
+        type: 'tldr/clipboard',
+        shapes: copyingShapes,
+        bindings: copyingBindings,
+      })
 
       navigator.clipboard.writeText(text).then(
         () => {
@@ -879,15 +898,47 @@ export class TLDrawState extends StateManager<Data> {
    * @param point
    */
   paste = (point?: number[]) => {
-    const pasteInCurrentPage = (shapes: TLDrawShape[]) => {
-      const idsMap = Object.fromEntries(
-        shapes.map((shape: TLDrawShape) => [shape.id, Utils.uniqueId()])
-      )
+    const pasteInCurrentPage = (shapes: TLDrawShape[], bindings: TLDrawBinding[]) => {
+      const idsMap: Record<string, string> = {}
+
+      shapes.forEach((shape) => (idsMap[shape.id] = Utils.uniqueId()))
+
+      bindings.forEach((binding) => (idsMap[binding.id] = Utils.uniqueId()))
+
+      let startIndex = TLDR.getTopChildIndex(this.state, this.currentPageId)
+
+      const shapesToPaste = shapes
+        .sort((a, b) => a.childIndex - b.childIndex)
+        .map((shape) => {
+          const parentShapeId = idsMap[shape.parentId]
 
-      const shapesToPaste = shapes.map((shape: TLDrawShape) => ({
-        ...shape,
-        id: idsMap[shape.id],
-        parentId: idsMap[shape.parentId] || this.currentPageId,
+          const copy = {
+            ...shape,
+            id: idsMap[shape.id],
+            parentId: parentShapeId || this.currentPageId,
+          }
+
+          if (!parentShapeId) {
+            copy.childIndex = startIndex
+            startIndex++
+          }
+
+          if (copy.handles) {
+            Object.values(copy.handles).forEach((handle) => {
+              if (handle.bindingId) {
+                handle.bindingId = idsMap[handle.bindingId]
+              }
+            })
+          }
+
+          return copy
+        })
+
+      const bindingsToPaste = bindings.map((binding) => ({
+        ...binding,
+        id: idsMap[binding.id],
+        toId: idsMap[binding.toId],
+        fromId: idsMap[binding.fromId],
       }))
 
       const commonBounds = Utils.getCommonBounds(shapesToPaste.map(TLDR.getBounds))
@@ -915,11 +966,15 @@ export class TLDrawState extends StateManager<Data> {
         Utils.getBoundsCenter(commonBounds)
       )
 
-      this.createShapes(
-        ...shapesToPaste.map((shape) => ({
-          ...shape,
-          point: Vec.round(Vec.add(shape.point, delta)),
-        }))
+      this.create(
+        shapesToPaste.map((shape) =>
+          TLDR.getShapeUtils(shape.type).create({
+            ...shape,
+            point: Vec.round(Vec.add(shape.point, delta)),
+            parentId: shape.parentId || this.currentPageId,
+          })
+        ),
+        bindingsToPaste
       )
     }
     try {
@@ -929,15 +984,16 @@ export class TLDrawState extends StateManager<Data> {
 
       navigator.clipboard.readText().then((result) => {
         try {
-          const data: { type: string; shapes: TLDrawShape[] } = JSON.parse(result)
+          const data: { type: string; shapes: TLDrawShape[]; bindings: TLDrawBinding[] } =
+            JSON.parse(result)
 
           if (data.type !== 'tldr/clipboard') {
             throw Error('The pasted string was not from the tldraw clipboard.')
           }
 
-          pasteInCurrentPage(data.shapes)
+          pasteInCurrentPage(data.shapes, data.bindings)
         } catch (e) {
-          console.warn(e)
+          console.log(e)
 
           const shapeId = Utils.uniqueId()
 
@@ -953,12 +1009,11 @@ export class TLDrawState extends StateManager<Data> {
           this.select(shapeId)
         }
       })
-    } catch (e: any) {
-      console.warn(e.message)
+    } catch (e) {
       // Navigator does not support clipboard. Note that this fallback will
       // not support pasting from one document to another.
       if (this.clipboard) {
-        pasteInCurrentPage(this.clipboard)
+        pasteInCurrentPage(this.clipboard.shapes, this.clipboard.bindings)
       }
     }
 
@@ -1761,12 +1816,12 @@ export class TLDrawState extends StateManager<Data> {
   ): this => {
     if (shapes.length === 0) return this
     return this.create(
-      ...shapes.map((shape) => {
-        return TLDR.getShapeUtils(shape.type).create({
+      shapes.map((shape) =>
+        TLDR.getShapeUtils(shape.type).create({
           ...shape,
           parentId: shape.parentId || this.currentPageId,
         })
-      })
+      )
     )
   }
 
@@ -1805,9 +1860,9 @@ export class TLDrawState extends StateManager<Data> {
    * @param shapes An array of shapes.
    * @command
    */
-  create = (...shapes: TLDrawShape[]): this => {
+  create = (shapes: TLDrawShape[] = [], bindings: TLDrawBinding[] = []): this => {
     if (shapes.length === 0) return this
-    return this.setState(Commands.create(this.state, shapes))
+    return this.setState(Commands.create(this.state, shapes, bindings))
   }
 
   /**

packages/vec/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tldraw/vec",
-  "version": "0.0.102",
+  "version": "0.0.103",
   "private": false,
   "description": "A tiny little drawing app (vec)",
   "author": "@steveruizok",

packages/www/package.json

@@ -1,6 +1,6 @@
 {
   "name": "www",
-  "version": "0.0.102",
+  "version": "0.0.103",
   "private": true,
   "description": "A tiny little drawing app (site).",
   "repository": {
@@ -21,7 +21,7 @@
     "@sentry/react": "^6.13.2",
     "@sentry/tracing": "^6.13.2",
     "@stitches/react": "^1.0.0",
-    "@tldraw/tldraw": "^0.0.102",
+    "@tldraw/tldraw": "^0.0.103",
     "next": "11.1.2",
     "next-auth": "3.29.0",
     "next-pwa": "^5.2.23",