tldraw/dist-esm/lib/shapes/shared/useEditablePlainText.mjs.map

A tiny little drawing editor.

{
  "version": 3,
  "sources": ["../../../../src/lib/shapes/shared/useEditablePlainText.ts"],
  "sourcesContent": ["import {\n\tEditor,\n\tExtractShapeByProps,\n\tTLShapeId,\n\tgetPointerInfo,\n\tnoop,\n\tpreventDefault,\n\ttlenv,\n\tuseEditor,\n\tuseValue,\n} from '@tldraw/editor'\nimport React, { useCallback, useEffect, useRef } from 'react'\nimport { TextHelpers } from './TextHelpers'\n\n/** @public */\nexport function useEditablePlainText(\n\tshapeId: TLShapeId,\n\ttype: ExtractShapeByProps<{ text: string }>['type'],\n\ttext?: string\n) {\n\tconst commonUseEditableTextHandlers = useEditableTextCommon(shapeId)\n\tconst isEditing = commonUseEditableTextHandlers.isEditing\n\tconst editor = useEditor()\n\tconst rInput = useRef<HTMLTextAreaElement>(null)\n\tconst isEmpty = (text || '').trim().length === 0\n\n\tuseEffect(() => {\n\t\tfunction selectAllIfEditing(event: { shapeId: TLShapeId }) {\n\t\t\tif (event.shapeId === shapeId) {\n\t\t\t\trInput.current?.select?.()\n\t\t\t}\n\t\t}\n\n\t\teditor.on('select-all-text', selectAllIfEditing)\n\t\treturn () => {\n\t\t\teditor.off('select-all-text', selectAllIfEditing)\n\t\t}\n\t}, [editor, shapeId, isEditing])\n\n\tuseEffect(() => {\n\t\tif (!isEditing) return\n\n\t\tif (document.activeElement !== rInput.current) {\n\t\t\trInput.current?.focus()\n\t\t}\n\n\t\tif (editor.getInstanceState().isCoarsePointer) {\n\t\t\trInput.current?.select()\n\t\t}\n\n\t\t// XXX(mime): This fixes iOS not showing the caret sometimes.\n\t\t// This \"shakes\" the caret awake.\n\t\tif (tlenv.isSafari) {\n\t\t\trInput.current?.blur()\n\t\t\trInput.current?.focus()\n\t\t}\n\t}, [editor, isEditing])\n\n\t// When the user presses ctrl / meta enter, complete the editing state.\n\tconst handleKeyDown = useCallback(\n\t\t(e: KeyboardEvent) => {\n\t\t\tif (editor.getEditingShapeId() !== shapeId) return\n\n\t\t\tswitch (e.key) {\n\t\t\t\tcase 'Enter': {\n\t\t\t\t\tif (e.ctrlKey || e.metaKey) {\n\t\t\t\t\t\teditor.complete()\n\t\t\t\t\t}\n\t\t\t\t\tbreak\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\t\t[editor, shapeId]\n\t)\n\n\t// When the text changes, update the text value.\n\tconst handleChange = useCallback(\n\t\t({ plaintext }: { plaintext: string }) => {\n\t\t\tif (editor.getEditingShapeId() !== shapeId) return\n\n\t\t\tconst normalizedPlaintext = TextHelpers.normalizeText(plaintext || '')\n\t\t\teditor.updateShape({\n\t\t\t\tid: shapeId,\n\t\t\t\ttype,\n\t\t\t\tprops: { text: normalizedPlaintext },\n\t\t\t})\n\t\t},\n\t\t[editor, shapeId, type]\n\t)\n\n\treturn {\n\t\trInput,\n\t\thandleKeyDown,\n\t\thandleChange,\n\t\tisEmpty,\n\t\t...commonUseEditableTextHandlers,\n\t}\n}\n\n/** @internal */\nexport function useIsReadyForEditing(editor: Editor, shapeId: TLShapeId) {\n\treturn useValue(\n\t\t'isReadyForEditing',\n\t\t() => {\n\t\t\tconst editingShapeId = editor.getEditingShapeId()\n\t\t\treturn (\n\t\t\t\t// something's being editing... and either it's this shape OR this shape is hovered\n\t\t\t\teditingShapeId !== null &&\n\t\t\t\t(editingShapeId === shapeId || editor.getHoveredShapeId() === shapeId)\n\t\t\t)\n\t\t},\n\t\t[editor, shapeId]\n\t)\n}\n\n/** @internal */\nexport function useEditableTextCommon(shapeId: TLShapeId) {\n\tconst editor = useEditor()\n\tconst isEditing = useValue('isEditing', () => editor.getEditingShapeId() === shapeId, [editor])\n\tconst isReadyForEditing = useIsReadyForEditing(editor, shapeId)\n\n\tconst handleInputPointerDown = useCallback(\n\t\t(e: React.PointerEvent) => {\n\t\t\t// N.B. We used to only do this only when isEditing to help\n\t\t\t// prevent an issue where you could drag a selected shape\n\t\t\t// behind another shape. That is addressed now by the CSS logic\n\t\t\t// looking at data-isselectinganything.\n\t\t\t//\n\t\t\t// We still need to follow this logic even if not isEditing\n\t\t\t// because otherwise there is some flakiness in selection.\n\t\t\t// When selecting text, it would sometimes select some text\n\t\t\t// partially if we didn't dispatch/stop below.\n\n\t\t\teditor.dispatch({\n\t\t\t\t...getPointerInfo(editor, e),\n\t\t\t\ttype: 'pointer',\n\t\t\t\tname: 'pointer_down',\n\t\t\t\ttarget: 'shape',\n\t\t\t\tshape: editor.getShape(shapeId)!,\n\t\t\t})\n\n\t\t\te.stopPropagation() // we need to prevent blurring the input\n\t\t},\n\t\t[editor, shapeId]\n\t)\n\n\tconst handlePaste = useCallback(\n\t\t(e: ClipboardEvent | React.ClipboardEvent<HTMLTextAreaElement>) => {\n\t\t\tif (editor.getEditingShapeId() !== shapeId) return\n\t\t\tif (e.clipboardData) {\n\t\t\t\t// find html in the clipboard and look for the tldraw data\n\t\t\t\tconst html = e.clipboardData.getData('text/html')\n\t\t\t\tif (html) {\n\t\t\t\t\tif (html.includes('<div data-tldraw')) {\n\t\t\t\t\t\tpreventDefault(e)\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\t\t[editor, shapeId]\n\t)\n\n\treturn {\n\t\thandleFocus: noop,\n\t\thandleBlur: noop,\n\t\thandleInputPointerDown,\n\t\thandleDoubleClick: editor.markEventAsHandled,\n\t\thandlePaste,\n\t\tisEditing,\n\t\tisReadyForEditing,\n\t}\n}\n"],
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