{
  "version": 3,
  "sources": ["../../../src/lib/components/Shape.tsx"],
  "sourcesContent": ["import { react } from '@tldraw/state'\nimport { useQuickReactor, useStateTracking } from '@tldraw/state-react'\nimport { TLShape, TLShapeId } from '@tldraw/tlschema'\nimport { memo, useCallback, useEffect, useLayoutEffect, useRef } from 'react'\nimport { ShapeUtil } from '../editor/shapes/ShapeUtil'\nimport { useEditorComponents } from '../hooks/EditorComponentsContext'\nimport { useEditor } from '../hooks/useEditor'\nimport { useShapeCulling } from '../hooks/useShapeCulling'\nimport { Mat } from '../primitives/Mat'\nimport { areShapesContentEqual } from '../utils/areShapesContentEqual'\nimport { setStyleProperty } from '../utils/dom'\nimport { OptionalErrorBoundary } from './ErrorBoundary'\n\n/*\nThis component renders shapes on the canvas. There are two stages: positioning\nand styling the shape's container using CSS, and then rendering the shape's \nJSX using its shape util's render method. Rendering the \"inside\" of a shape is\nmore expensive than positioning it or changing its color, so we use memo\nto wrap the inner shape and only re-render it when the shape's props change. \n\nThe shape also receives props for its index and opacity. The index is used to\ndetermine the z-index of the shape, and the opacity is used to set the shape's\nopacity based on its own opacity and that of its parent's.\n*/\nexport const Shape = memo(function Shape({\n\tid,\n\tshape,\n\tutil,\n\tindex,\n\tbackgroundIndex,\n\topacity,\n}: {\n\tid: TLShapeId\n\tshape: TLShape\n\tutil: ShapeUtil\n\tindex: number\n\tbackgroundIndex: number\n\topacity: number\n}) {\n\tconst editor = useEditor()\n\n\tconst { ShapeErrorFallback, ShapeWrapper } = useEditorComponents()\n\n\tconst containerRef = useRef<HTMLDivElement>(null)\n\tconst bgContainerRef = useRef<HTMLDivElement>(null)\n\n\tuseEffect(() => {\n\t\treturn react('load fonts', () => {\n\t\t\tconst fonts = editor.fonts.getShapeFontFaces(id)\n\t\t\teditor.fonts.requestFonts(fonts)\n\t\t})\n\t}, [editor, id])\n\n\tconst memoizedStuffRef = useRef({\n\t\ttransform: '',\n\t\tclipPath: 'none',\n\t\twidth: 0,\n\t\theight: 0,\n\t\tx: 0,\n\t\ty: 0,\n\t})\n\n\tuseQuickReactor(\n\t\t'set shape stuff',\n\t\t() => {\n\t\t\tconst shape = editor.getShape(id)\n\t\t\tif (!shape) return // probably the shape was just deleted\n\n\t\t\tconst prev = memoizedStuffRef.current\n\n\t\t\t// Clip path\n\t\t\tconst clipPath = editor.getShapeClipPath(id) ?? 'none'\n\t\t\tif (clipPath !== prev.clipPath) {\n\t\t\t\tsetStyleProperty(containerRef.current, 'clip-path', clipPath)\n\t\t\t\tsetStyleProperty(bgContainerRef.current, 'clip-path', clipPath)\n\t\t\t\tprev.clipPath = clipPath\n\t\t\t}\n\n\t\t\t// Page transform\n\t\t\tconst pageTransform = editor.getShapePageTransform(id)\n\t\t\tconst transform = Mat.toCssString(pageTransform)\n\t\t\tconst bounds = editor.getShapeGeometry(shape).bounds\n\n\t\t\t// Update if the tranform has changed\n\t\t\tif (transform !== prev.transform) {\n\t\t\t\tsetStyleProperty(containerRef.current, 'transform', transform)\n\t\t\t\tsetStyleProperty(bgContainerRef.current, 'transform', transform)\n\t\t\t\tprev.transform = transform\n\t\t\t}\n\n\t\t\t// Width / Height\n\t\t\tconst width = Math.max(bounds.width, 1)\n\t\t\tconst height = Math.max(bounds.height, 1)\n\n\t\t\tif (width !== prev.width || height !== prev.height) {\n\t\t\t\tsetStyleProperty(containerRef.current, 'width', width + 'px')\n\t\t\t\tsetStyleProperty(containerRef.current, 'height', height + 'px')\n\t\t\t\tsetStyleProperty(bgContainerRef.current, 'width', width + 'px')\n\t\t\t\tsetStyleProperty(bgContainerRef.current, 'height', height + 'px')\n\t\t\t\tprev.width = width\n\t\t\t\tprev.height = height\n\t\t\t}\n\t\t},\n\t\t[editor]\n\t)\n\n\t// This stuff changes pretty infrequently, so we can change them together\n\tuseLayoutEffect(() => {\n\t\tconst container = containerRef.current\n\t\tconst bgContainer = bgContainerRef.current\n\n\t\t// Opacity\n\t\tsetStyleProperty(container, 'opacity', opacity)\n\t\tsetStyleProperty(bgContainer, 'opacity', opacity)\n\n\t\t// Z-Index\n\t\tsetStyleProperty(container, 'z-index', index)\n\t\tsetStyleProperty(bgContainer, 'z-index', backgroundIndex)\n\t}, [opacity, index, backgroundIndex])\n\n\t// Register container refs with the centralized culling context.\n\t// This runs on mount and handles initial display state.\n\tconst { register, unregister } = useShapeCulling()\n\tuseLayoutEffect(() => {\n\t\tconst container = containerRef.current\n\t\tif (!container) return\n\n\t\t// Check initial culling state and register with the context\n\t\tconst isCulled = editor.getCulledShapes().has(id)\n\t\tregister(id, container, bgContainerRef.current, isCulled)\n\n\t\treturn () => {\n\t\t\tunregister(id)\n\t\t}\n\t}, [editor, id, register, unregister])\n\tconst annotateError = useCallback(\n\t\t(error: any) => editor.annotateError(error, { origin: 'shape', willCrashApp: false }),\n\t\t[editor]\n\t)\n\n\tif (!shape || !ShapeWrapper) return null\n\n\treturn (\n\t\t<>\n\t\t\t{util.backgroundComponent && (\n\t\t\t\t<ShapeWrapper ref={bgContainerRef} shape={shape} isBackground={true}>\n\t\t\t\t\t<OptionalErrorBoundary fallback={ShapeErrorFallback} onError={annotateError}>\n\t\t\t\t\t\t<InnerShapeBackground shape={shape} util={util} />\n\t\t\t\t\t</OptionalErrorBoundary>\n\t\t\t\t</ShapeWrapper>\n\t\t\t)}\n\t\t\t<ShapeWrapper ref={containerRef} shape={shape} isBackground={false}>\n\t\t\t\t<OptionalErrorBoundary fallback={ShapeErrorFallback as any} onError={annotateError}>\n\t\t\t\t\t<InnerShape shape={shape} util={util} />\n\t\t\t\t</OptionalErrorBoundary>\n\t\t\t</ShapeWrapper>\n\t\t</>\n\t)\n})\n\nexport const InnerShape = memo(\n\tfunction InnerShape<T extends TLShape>({ shape, util }: { shape: T; util: ShapeUtil<T> }) {\n\t\treturn useStateTracking(\n\t\t\t'InnerShape:' + shape.type,\n\t\t\t() =>\n\t\t\t\t// always fetch the latest shape from the store even if the props/meta have not changed, to avoid\n\t\t\t\t// calling the render method with stale data.\n\t\t\t\tutil.component(util.editor.store.unsafeGetWithoutCapture(shape.id) as T),\n\t\t\t[util, shape.id]\n\t\t)\n\t},\n\t(prev, next) => areShapesContentEqual(prev.shape, next.shape) && prev.util === next.util\n)\n\nexport const InnerShapeBackground = memo(\n\tfunction InnerShapeBackground<T extends TLShape>({\n\t\tshape,\n\t\tutil,\n\t}: {\n\t\tshape: T\n\t\tutil: ShapeUtil<T>\n\t}) {\n\t\treturn useStateTracking(\n\t\t\t'InnerShape:' + shape.type,\n\t\t\t() =>\n\t\t\t\t// always fetch the latest shape from the store even if the props/meta have not changed, to avoid\n\t\t\t\t// calling the render method with stale data.\n\t\t\t\tutil.backgroundComponent?.(util.editor.store.unsafeGetWithoutCapture(shape.id) as T),\n\t\t\t[util, shape.id]\n\t\t)\n\t},\n\t(prev, next) =>\n\t\tprev.shape.props === next.shape.props &&\n\t\tprev.shape.meta === next.shape.meta &&\n\t\tprev.util === next.util\n)\n"],
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  "names": ["Shape", "shape", "InnerShape", "InnerShapeBackground"]
}