tldraw
Version:
A tiny little drawing editor.
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{
"version": 3,
"sources": ["../../../../src/lib/shapes/bookmark/bookmarks.ts"],
"sourcesContent": ["import {\n\tAssetRecordType,\n\tEditor,\n\tResult,\n\tTLAssetId,\n\tTLBookmarkAsset,\n\tTLBookmarkShape,\n\tTLShapePartial,\n\tcreateShapeId,\n\tdebounce,\n\tgetHashForString,\n} from '@tldraw/editor'\n\nexport const BOOKMARK_WIDTH = 300\nexport const BOOKMARK_HEIGHT = 320\nexport const BOOKMARK_JUST_URL_HEIGHT = 46\nconst SHORT_BOOKMARK_HEIGHT = 101\n\nexport function getBookmarkHeight(editor: Editor, assetId?: TLAssetId | null) {\n\tconst asset = (assetId ? editor.getAsset(assetId) : null) as TLBookmarkAsset | null\n\n\tif (asset) {\n\t\tif (!asset.props.image) {\n\t\t\tif (!asset.props.title) {\n\t\t\t\treturn BOOKMARK_JUST_URL_HEIGHT\n\t\t\t} else {\n\t\t\t\treturn SHORT_BOOKMARK_HEIGHT\n\t\t\t}\n\t\t}\n\t}\n\n\treturn BOOKMARK_HEIGHT\n}\n\nexport function setBookmarkHeight(editor: Editor, shape: TLBookmarkShape) {\n\treturn {\n\t\t...shape,\n\t\tprops: { ...shape.props, h: getBookmarkHeight(editor, shape.props.assetId) },\n\t}\n}\n\n/** @internal */\nexport const getHumanReadableAddress = (url: string) => {\n\ttry {\n\t\tconst objUrl = new URL(url)\n\t\t// we want the hostname without any www\n\t\treturn objUrl.hostname.replace(/^www\\./, '')\n\t} catch {\n\t\treturn url\n\t}\n}\n\nexport function updateBookmarkAssetOnUrlChange(editor: Editor, shape: TLBookmarkShape) {\n\tconst { url } = shape.props\n\n\t// Derive the asset id from the URL\n\tconst assetId: TLAssetId = AssetRecordType.createId(getHashForString(url))\n\n\tif (editor.getAsset(assetId)) {\n\t\t// Existing asset for this URL?\n\t\tif (shape.props.assetId !== assetId) {\n\t\t\teditor.updateShapes([\n\t\t\t\t{\n\t\t\t\t\tid: shape.id,\n\t\t\t\t\ttype: shape.type,\n\t\t\t\t\tprops: { assetId },\n\t\t\t\t},\n\t\t\t])\n\t\t}\n\t} else {\n\t\t// No asset for this URL?\n\n\t\t// First, clear out the existing asset reference\n\t\teditor.updateShapes([\n\t\t\t{\n\t\t\t\tid: shape.id,\n\t\t\t\ttype: shape.type,\n\t\t\t\tprops: { assetId: null },\n\t\t\t},\n\t\t])\n\n\t\t// Then try to asyncronously create a new one\n\t\tcreateBookmarkAssetOnUrlChange(editor, shape)\n\t}\n}\n\nconst createBookmarkAssetOnUrlChange = debounce(async (editor: Editor, shape: TLBookmarkShape) => {\n\tif (editor.isDisposed) return\n\n\tconst { url } = shape.props\n\n\t// Create the asset using the external content manager's createAssetFromUrl method.\n\t// This may be overwritten by the user (for example, we overwrite it on tldraw.com)\n\tconst asset = await editor.getAssetForExternalContent({ type: 'url', url })\n\n\tif (!asset) {\n\t\t// No asset? Just leave the bookmark as a null assetId.\n\t\treturn\n\t}\n\n\teditor.run(() => {\n\t\t// Create the new asset\n\t\teditor.createAssets([asset])\n\n\t\t// And update the shape\n\t\teditor.updateShapes([\n\t\t\t{\n\t\t\t\tid: shape.id,\n\t\t\t\ttype: shape.type,\n\t\t\t\tprops: { assetId: asset.id },\n\t\t\t},\n\t\t])\n\t})\n}, 500)\n\n/**\n * Creates a bookmark shape from a URL with unfurled metadata.\n *\n * @returns A Result containing the created bookmark shape or an error\n * @public\n */\n\nexport async function createBookmarkFromUrl(\n\teditor: Editor,\n\t{\n\t\turl,\n\t\tcenter = editor.getViewportPageBounds().center,\n\t}: {\n\t\turl: string\n\t\tcenter?: { x: number; y: number }\n\t}\n): Promise<Result<TLBookmarkShape, string>> {\n\ttry {\n\t\t// Create the bookmark asset with unfurled metadata\n\t\tconst asset = await editor.getAssetForExternalContent({ type: 'url', url })\n\n\t\t// Create the bookmark shape\n\t\tconst shapeId = createShapeId()\n\t\tconst shapePartial: TLShapePartial<TLBookmarkShape> = {\n\t\t\tid: shapeId,\n\t\t\ttype: 'bookmark',\n\t\t\tx: center.x - BOOKMARK_WIDTH / 2,\n\t\t\ty: center.y - BOOKMARK_HEIGHT / 2,\n\t\t\trotation: 0,\n\t\t\topacity: 1,\n\t\t\tprops: {\n\t\t\t\turl,\n\t\t\t\tassetId: asset?.id || null,\n\t\t\t\tw: BOOKMARK_WIDTH,\n\t\t\t\th: getBookmarkHeight(editor, asset?.id),\n\t\t\t},\n\t\t}\n\n\t\teditor.run(() => {\n\t\t\t// Create the asset if we have one\n\t\t\tif (asset) {\n\t\t\t\teditor.createAssets([asset])\n\t\t\t}\n\n\t\t\t// Create the shape\n\t\t\teditor.createShapes([shapePartial])\n\t\t})\n\n\t\t// Get the created shape\n\t\tconst createdShape = editor.getShape(shapeId) as TLBookmarkShape\n\t\treturn Result.ok(createdShape)\n\t} catch (error) {\n\t\treturn Result.err(error instanceof Error ? error.message : 'Failed to create bookmark')\n\t}\n}\n"],
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