@tldraw/editor/dist-esm/lib/exports/embedMedia.mjs.map

tldraw infinite canvas SDK (editor).

{
  "version": 3,
  "sources": ["../../../src/lib/exports/embedMedia.ts"],
  "sourcesContent": ["import { MediaHelpers } from '@tldraw/utils'\nimport { getRenderedChildren } from './domUtils'\nimport { resourceToDataUrl } from './fetchCache'\n\nfunction copyAttrs(source: Element, target: Element) {\n\tconst attrs = Array.from(source.attributes)\n\tattrs.forEach((attr) => {\n\t\ttarget.setAttribute(attr.name, attr.value)\n\t})\n}\n\nfunction replace(original: HTMLElement, replacement: HTMLElement) {\n\toriginal.replaceWith(replacement)\n\treturn replacement\n}\n\nasync function createImage(dataUrl: string | null, cloneAttributesFrom?: HTMLElement) {\n\tconst image = document.createElement('img')\n\n\tif (cloneAttributesFrom) {\n\t\tcopyAttrs(cloneAttributesFrom, image)\n\t}\n\n\timage.setAttribute('src', dataUrl ?? 'data:')\n\timage.setAttribute('decoding', 'sync')\n\timage.setAttribute('loading', 'eager')\n\n\ttry {\n\t\tawait image.decode()\n\t} catch {\n\t\t// this is fine\n\t}\n\treturn image\n}\n\nasync function getCanvasReplacement(canvas: HTMLCanvasElement) {\n\ttry {\n\t\tconst dataURL = canvas.toDataURL()\n\t\treturn await createImage(dataURL, canvas)\n\t} catch {\n\t\treturn await createImage(null, canvas)\n\t}\n}\n\nasync function getVideoReplacement(video: HTMLVideoElement) {\n\ttry {\n\t\tconst dataUrl = await MediaHelpers.getVideoFrameAsDataUrl(video)\n\t\treturn createImage(dataUrl, video)\n\t} catch (err) {\n\t\tconsole.error('Could not get video frame', err)\n\t}\n\n\tif (video.poster) {\n\t\tconst dataUrl = await resourceToDataUrl(video.poster)\n\t\treturn createImage(dataUrl, video)\n\t}\n\n\treturn createImage(null, video)\n}\n\nexport async function embedMedia(node: HTMLElement) {\n\tif (node instanceof HTMLCanvasElement) {\n\t\treturn replace(node, await getCanvasReplacement(node))\n\t} else if (node instanceof HTMLVideoElement) {\n\t\treturn replace(node, await getVideoReplacement(node))\n\t} else if (node instanceof HTMLImageElement) {\n\t\tconst src = node.currentSrc || node.src\n\t\tconst dataUrl = await resourceToDataUrl(src)\n\t\tnode.setAttribute('src', dataUrl ?? 'data:')\n\t\tnode.setAttribute('decoding', 'sync')\n\t\tnode.setAttribute('loading', 'eager')\n\t\ttry {\n\t\t\tawait node.decode()\n\t\t} catch {\n\t\t\t// this is fine\n\t\t}\n\t\treturn node\n\t} else if (node instanceof HTMLInputElement) {\n\t\t// if an input has a value, make sure it's serialized when we convert to svg\n\t\tnode.setAttribute('value', node.value)\n\t} else if (node instanceof HTMLTextAreaElement) {\n\t\tnode.textContent = node.value\n\t}\n\n\tawait Promise.all(\n\t\tArray.from(getRenderedChildren(node), (child) => embedMedia(child as HTMLElement))\n\t)\n}\n"],
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