tldraw
Version:
A tiny little drawing editor.
8 lines (7 loc) • 8.15 kB
Source Map (JSON)
{
"version": 3,
"sources": ["../../src/lib/TldrawImage.tsx"],
"sourcesContent": ["import {\n\tEditor,\n\tTLAnyBindingUtilConstructor,\n\tTLAnyShapeUtilConstructor,\n\tTLEditorSnapshot,\n\tTLImageExportOptions,\n\tTLPageId,\n\tTLStoreSnapshot,\n\tTLTextOptions,\n\tTldrawOptions,\n\tmergeArraysAndReplaceDefaults,\n\tuseShallowArrayIdentity,\n\tuseTLStore,\n} from '@tldraw/editor'\nimport { memo, useEffect, useLayoutEffect, useMemo, useState } from 'react'\nimport { defaultBindingUtils } from './defaultBindingUtils'\nimport { defaultShapeUtils } from './defaultShapeUtils'\nimport { TLUiAssetUrlOverrides } from './ui/assetUrls'\nimport { useDefaultEditorAssetsWithOverrides } from './utils/static-assets/assetUrls'\nimport { defaultAddFontsFromNode, tipTapDefaultExtensions } from './utils/text/richText'\n\n/** @public */\nexport interface TldrawImageProps extends TLImageExportOptions {\n\t/**\n\t * The snapshot to display.\n\t */\n\tsnapshot: Partial<TLEditorSnapshot> | TLStoreSnapshot\n\n\t/**\n\t * The image format to use. Defaults to 'svg'.\n\t */\n\tformat?: 'svg' | 'png'\n\n\t/**\n\t * The page to display. Defaults to the first page.\n\t */\n\tpageId?: TLPageId\n\n\t/**\n\t * Additional shape utils to use.\n\t */\n\tshapeUtils?: readonly TLAnyShapeUtilConstructor[]\n\t/**\n\t * Additional binding utils to use.\n\t */\n\tbindingUtils?: readonly TLAnyBindingUtilConstructor[]\n\t/**\n\t * The license key.\n\t */\n\tlicenseKey?: string\n\t/**\n\t * Asset URL overrides.\n\t */\n\tassetUrls?: TLUiAssetUrlOverrides\n\t/**\n\t * Options for the editor.\n\t */\n\toptions?: Partial<TldrawOptions>\n\t/**\n\t * Text options for the editor.\n\t *\n\t * @deprecated Use `options.text` instead. This prop will be removed in a future release.\n\t */\n\ttextOptions?: TLTextOptions\n}\n\nconst defaultOptions: Partial<TldrawOptions> = {\n\ttext: {\n\t\ttipTapConfig: {\n\t\t\textensions: tipTapDefaultExtensions,\n\t\t},\n\t\taddFontsFromNode: defaultAddFontsFromNode,\n\t},\n}\n\n/**\n * A rendered SVG image of a Tldraw snapshot.\n *\n * @example\n * ```tsx\n * <TldrawImage\n * \tsnapshot={snapshot}\n * \tpageId={pageId}\n * \tbackground={false}\n * darkMode={true}\n * bounds={new Box(0,0,600,400)}\n * scale={1}\n * />\n * ```\n *\n * @public\n * @react\n */\nexport const TldrawImage = memo(function TldrawImage(props: TldrawImageProps) {\n\tconst [url, setUrl] = useState<string | null>(null)\n\tconst [container, setContainer] = useState<HTMLDivElement | null>(null)\n\n\tconst _shapeUtils = useShallowArrayIdentity(props.shapeUtils ?? [])\n\tconst shapeUtilsWithDefaults = useMemo(\n\t\t() => mergeArraysAndReplaceDefaults('type', _shapeUtils, defaultShapeUtils),\n\t\t[_shapeUtils]\n\t)\n\tconst _bindingUtils = useShallowArrayIdentity(props.bindingUtils ?? [])\n\tconst bindingUtilsWithDefaults = useMemo(\n\t\t() => mergeArraysAndReplaceDefaults('type', _bindingUtils, defaultBindingUtils),\n\t\t[_bindingUtils]\n\t)\n\tconst store = useTLStore({ snapshot: props.snapshot, shapeUtils: shapeUtilsWithDefaults })\n\n\tconst {\n\t\tpageId,\n\t\tbounds,\n\t\tscale,\n\t\tpixelRatio,\n\t\tbackground,\n\t\tpadding,\n\t\tdarkMode,\n\t\tpreserveAspectRatio,\n\t\tformat = 'svg',\n\t\tlicenseKey,\n\t\tassetUrls,\n\t\toptions: _options,\n\t\t// eslint-disable-next-line @typescript-eslint/no-deprecated\n\t\ttextOptions: _textOptions,\n\t} = props\n\n\tconst options = useMemo(\n\t\t() => ({\n\t\t\t...defaultOptions,\n\t\t\t..._options,\n\t\t\ttext: {\n\t\t\t\t...defaultOptions.text,\n\t\t\t\t...(_options?.text ?? _textOptions),\n\t\t\t},\n\t\t}),\n\t\t[_options, _textOptions]\n\t)\n\tconst assetUrlsWithOverrides = useDefaultEditorAssetsWithOverrides(assetUrls)\n\n\tuseLayoutEffect(() => {\n\t\tif (!container) return\n\t\tif (!store) return\n\n\t\tlet isCancelled = false\n\n\t\tconst tempElm = document.createElement('div')\n\t\tcontainer.appendChild(tempElm)\n\t\tcontainer.classList.add('tl-container', 'tl-theme__light')\n\n\t\tconst editor = new Editor({\n\t\t\tstore,\n\t\t\tshapeUtils: shapeUtilsWithDefaults,\n\t\t\tbindingUtils: bindingUtilsWithDefaults,\n\t\t\ttools: [],\n\t\t\tgetContainer: () => tempElm,\n\t\t\tlicenseKey,\n\t\t\tfontAssetUrls: assetUrlsWithOverrides.fonts,\n\t\t\toptions,\n\t\t})\n\n\t\tif (pageId) editor.setCurrentPage(pageId)\n\n\t\tconst shapeIds = editor.getCurrentPageShapeIds()\n\n\t\tasync function setSvg() {\n\t\t\t// We have to wait for the fonts to load so that we can correctly measure text sizes\n\t\t\tawait editor.fonts.loadRequiredFontsForCurrentPage(editor.options.maxFontsToLoadBeforeRender)\n\t\t\tconst imageResult = await editor.toImage([...shapeIds], {\n\t\t\t\tbounds,\n\t\t\t\tscale,\n\t\t\t\tbackground,\n\t\t\t\tpadding,\n\t\t\t\tdarkMode,\n\t\t\t\tpreserveAspectRatio,\n\t\t\t\tformat,\n\t\t\t})\n\t\t\tif (!imageResult || isCancelled) return\n\n\t\t\tconst url = URL.createObjectURL(imageResult.blob)\n\t\t\tsetUrl(url)\n\n\t\t\teditor.dispose()\n\t\t}\n\n\t\tsetSvg()\n\n\t\treturn () => {\n\t\t\tisCancelled = true\n\t\t}\n\t}, [\n\t\tformat,\n\t\tcontainer,\n\t\tstore,\n\t\tshapeUtilsWithDefaults,\n\t\tbindingUtilsWithDefaults,\n\t\tpageId,\n\t\tbounds,\n\t\tscale,\n\t\tbackground,\n\t\tpadding,\n\t\tdarkMode,\n\t\tpreserveAspectRatio,\n\t\tlicenseKey,\n\t\tpixelRatio,\n\t\tassetUrlsWithOverrides,\n\t\toptions,\n\t])\n\n\tuseEffect(() => {\n\t\treturn () => {\n\t\t\tif (url) URL.revokeObjectURL(url)\n\t\t}\n\t}, [url])\n\n\treturn (\n\t\t<div ref={setContainer} style={{ position: 'relative', width: '100%', height: '100%' }}>\n\t\t\t{url && (\n\t\t\t\t<img\n\t\t\t\t\tsrc={url}\n\t\t\t\t\treferrerPolicy=\"strict-origin-when-cross-origin\"\n\t\t\t\t\tstyle={{ width: '100%', height: '100%' }}\n\t\t\t\t/>\n\t\t\t)}\n\t\t</div>\n\t)\n})\n"],
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"names": ["TldrawImage", "url"]
}