tldraw
Version:
A tiny little drawing editor.
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Source Map (JSON)
{
"version": 3,
"sources": ["../../src/lib/defaultExternalContentHandlers.ts"],
"sourcesContent": ["import {\n\tAssetRecordType,\n\tDEFAULT_SUPPORTED_IMAGE_TYPES,\n\tDEFAULT_SUPPORT_VIDEO_TYPES,\n\tEditor,\n\tMediaHelpers,\n\tTLAsset,\n\tTLAssetId,\n\tTLBookmarkAsset,\n\tTLBookmarkShape,\n\tTLContent,\n\tTLFileExternalAsset,\n\tTLFileReplaceExternalContent,\n\tTLImageAsset,\n\tTLImageShape,\n\tTLShapeId,\n\tTLShapePartial,\n\tTLTextShape,\n\tTLTextShapeProps,\n\tTLUrlExternalAsset,\n\tTLVideoAsset,\n\tVec,\n\tVecLike,\n\tassert,\n\tcreateShapeId,\n\tfetch,\n\tgetHashForBuffer,\n\tgetHashForString,\n\tmaybeSnapToGrid,\n\ttoRichText,\n} from '@tldraw/editor'\nimport { EmbedDefinition } from './defaultEmbedDefinitions'\nimport { createBookmarkFromUrl } from './shapes/bookmark/bookmarks'\nimport { EmbedShapeUtil } from './shapes/embed/EmbedShapeUtil'\nimport { getCroppedImageDataForReplacedImage } from './shapes/shared/crop'\nimport { FONT_FAMILIES, FONT_SIZES, TEXT_PROPS } from './shapes/shared/default-shape-constants'\nimport { TLUiToastsContextType } from './ui/context/toasts'\nimport { useTranslation } from './ui/hooks/useTranslation/useTranslation'\nimport { containBoxSize } from './utils/assets/assets'\nimport { putExcalidrawContent } from './utils/excalidraw/putExcalidrawContent'\nimport { renderRichTextFromHTML } from './utils/text/richText'\nimport { cleanupText, isRightToLeftLanguage } from './utils/text/text'\n\n/**\n * 5000px\n * @public\n */\nexport const DEFAULT_MAX_IMAGE_DIMENSION = 5000\n/**\n * 10mb\n * @public\n */\nexport const DEFAULT_MAX_ASSET_SIZE = 10 * 1024 * 1024\n\n/** @public */\nexport interface TLExternalContentProps {\n\t/**\n\t * The maximum dimension (width or height) of an image. Images larger than this will be rescaled\n\t * to fit. Defaults to infinity.\n\t */\n\tmaxImageDimension?: number\n\t/**\n\t * The maximum size (in bytes) of an asset. Assets larger than this will be rejected. Defaults\n\t * to 10mb (10 * 1024 * 1024).\n\t */\n\tmaxAssetSize?: number\n\t/**\n\t * The mime types of images that are allowed to be handled. Defaults to\n\t * DEFAULT_SUPPORTED_IMAGE_TYPES.\n\t */\n\tacceptedImageMimeTypes?: readonly string[]\n\t/**\n\t * The mime types of videos that are allowed to be handled. Defaults to\n\t * DEFAULT_SUPPORT_VIDEO_TYPES.\n\t */\n\tacceptedVideoMimeTypes?: readonly string[]\n}\n\n/** @public */\nexport interface TLDefaultExternalContentHandlerOpts extends TLExternalContentProps {\n\ttoasts: TLUiToastsContextType\n\tmsg: ReturnType<typeof useTranslation>\n}\n\n/** @public */\nexport function registerDefaultExternalContentHandlers(\n\teditor: Editor,\n\toptions: TLDefaultExternalContentHandlerOpts\n) {\n\t// files -> asset\n\teditor.registerExternalAssetHandler('file', async (externalAsset) => {\n\t\treturn defaultHandleExternalFileAsset(editor, externalAsset, options)\n\t})\n\n\t// urls -> bookmark asset\n\teditor.registerExternalAssetHandler('url', async (externalAsset) => {\n\t\treturn defaultHandleExternalUrlAsset(editor, externalAsset, options)\n\t})\n\n\t// svg text\n\teditor.registerExternalContentHandler('svg-text', async (externalContent) => {\n\t\treturn defaultHandleExternalSvgTextContent(editor, externalContent)\n\t})\n\n\t// embeds\n\teditor.registerExternalContentHandler<'embed', EmbedDefinition>('embed', (externalContent) => {\n\t\treturn defaultHandleExternalEmbedContent(editor, externalContent)\n\t})\n\n\t// files\n\teditor.registerExternalContentHandler('files', async (externalContent) => {\n\t\treturn defaultHandleExternalFileContent(editor, externalContent, options)\n\t})\n\n\t// file-replace -> asset\n\teditor.registerExternalContentHandler('file-replace', async (externalContent) => {\n\t\treturn defaultHandleExternalFileReplaceContent(editor, externalContent, options)\n\t})\n\n\t// text\n\teditor.registerExternalContentHandler('text', async (externalContent) => {\n\t\treturn defaultHandleExternalTextContent(editor, externalContent)\n\t})\n\n\t// url\n\teditor.registerExternalContentHandler('url', async (externalContent) => {\n\t\treturn defaultHandleExternalUrlContent(editor, externalContent, options)\n\t})\n\n\t// tldraw\n\teditor.registerExternalContentHandler('tldraw', async (externalContent) => {\n\t\treturn defaultHandleExternalTldrawContent(editor, externalContent)\n\t})\n\n\t// excalidraw\n\teditor.registerExternalContentHandler('excalidraw', async (externalContent) => {\n\t\treturn defaultHandleExternalExcalidrawContent(editor, externalContent)\n\t})\n}\n\n/** @public */\nexport async function defaultHandleExternalFileAsset(\n\teditor: Editor,\n\t{ file, assetId }: TLFileExternalAsset,\n\toptions: TLDefaultExternalContentHandlerOpts\n) {\n\tconst isSuccess = notifyIfFileNotAllowed(file, options)\n\tif (!isSuccess) assert(false, 'File checks failed')\n\n\tconst sanitizedFile = await maybeSanitizeSvgFile(file)\n\tif (!sanitizedFile) assert(false, 'SVG file contained no safe content')\n\tconst assetInfo = await getAssetInfo(sanitizedFile, options, assetId)\n\tconst result = await editor.uploadAsset(assetInfo, sanitizedFile)\n\tassetInfo.props.src = result.src\n\tif (result.meta) assetInfo.meta = { ...assetInfo.meta, ...result.meta }\n\n\treturn AssetRecordType.create(assetInfo)\n}\n\n/** @public */\nexport async function defaultHandleExternalFileReplaceContent(\n\teditor: Editor,\n\t{ file, shapeId, isImage }: TLFileReplaceExternalContent,\n\toptions: TLDefaultExternalContentHandlerOpts\n) {\n\tconst isSuccess = notifyIfFileNotAllowed(file, options)\n\tif (!isSuccess) assert(false, 'File checks failed')\n\n\tconst sanitizedFile = await maybeSanitizeSvgFile(file)\n\tif (!sanitizedFile) return\n\tconst shape = editor.getShape(shapeId)\n\tif (!shape) assert(false, 'Shape not found')\n\n\tconst hash = getHashForBuffer(await sanitizedFile.arrayBuffer())\n\tconst assetId = AssetRecordType.createId(hash)\n\teditor.createTemporaryAssetPreview(assetId, sanitizedFile)\n\tconst assetInfoPartial = await getMediaAssetInfoPartial(\n\t\tsanitizedFile,\n\t\tassetId,\n\t\tisImage /* isImage */,\n\t\t!isImage /* isVideo */\n\t)\n\teditor.createAssets([assetInfoPartial])\n\n\t// And update the shape\n\tif (shape.type === 'image') {\n\t\tconst imageShape = shape as TLImageShape\n\t\tconst currentCrop = imageShape.props.crop\n\n\t\t// Calculate new dimensions that preserve the current visual size of the cropped area\n\t\tlet newWidth = assetInfoPartial.props.w\n\t\tlet newHeight = assetInfoPartial.props.h\n\t\tlet newX = imageShape.x\n\t\tlet newY = imageShape.y\n\t\tlet finalCrop = currentCrop\n\n\t\tif (currentCrop) {\n\t\t\t// Use the dedicated function to calculate the new crop and dimensions\n\t\t\tconst result = getCroppedImageDataForReplacedImage(\n\t\t\t\timageShape,\n\t\t\t\tassetInfoPartial.props.w,\n\t\t\t\tassetInfoPartial.props.h\n\t\t\t)\n\n\t\t\tfinalCrop = result.crop\n\t\t\tnewWidth = result.w\n\t\t\tnewHeight = result.h\n\t\t\tnewX = result.x\n\t\t\tnewY = result.y\n\t\t}\n\n\t\teditor.updateShapes([\n\t\t\t{\n\t\t\t\tid: imageShape.id,\n\t\t\t\ttype: imageShape.type,\n\t\t\t\tprops: {\n\t\t\t\t\tassetId: assetId,\n\t\t\t\t\tcrop: finalCrop,\n\t\t\t\t\tw: newWidth,\n\t\t\t\t\th: newHeight,\n\t\t\t\t},\n\t\t\t\tx: newX,\n\t\t\t\ty: newY,\n\t\t\t},\n\t\t])\n\t} else if (shape.type === 'video') {\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: {\n\t\t\t\t\tassetId: assetId,\n\t\t\t\t\tw: assetInfoPartial.props.w,\n\t\t\t\t\th: assetInfoPartial.props.h,\n\t\t\t\t},\n\t\t\t},\n\t\t])\n\t}\n\n\tconst asset = (await editor.getAssetForExternalContent({\n\t\ttype: 'file',\n\t\tfile: sanitizedFile,\n\t\tassetId,\n\t})) as TLAsset\n\n\teditor.updateAssets([{ ...asset, id: assetId }])\n\n\treturn asset\n}\n\n/** @public */\nexport async function defaultHandleExternalUrlAsset(\n\teditor: Editor,\n\t{ url }: TLUrlExternalAsset,\n\t{ toasts, msg }: TLDefaultExternalContentHandlerOpts\n): Promise<TLBookmarkAsset> {\n\tlet meta: { image: string; favicon: string; title: string; description: string }\n\n\ttry {\n\t\tconst resp = await fetch(url, {\n\t\t\tmethod: 'GET',\n\t\t\tmode: 'no-cors',\n\t\t})\n\t\tconst html = await resp.text()\n\t\tconst doc = new DOMParser().parseFromString(html, 'text/html')\n\t\tmeta = {\n\t\t\timage: doc.head.querySelector('meta[property=\"og:image\"]')?.getAttribute('content') ?? '',\n\t\t\tfavicon:\n\t\t\t\tdoc.head.querySelector('link[rel=\"apple-touch-icon\"]')?.getAttribute('href') ??\n\t\t\t\tdoc.head.querySelector('link[rel=\"icon\"]')?.getAttribute('href') ??\n\t\t\t\t'',\n\t\t\ttitle: doc.head.querySelector('meta[property=\"og:title\"]')?.getAttribute('content') ?? url,\n\t\t\tdescription:\n\t\t\t\tdoc.head.querySelector('meta[property=\"og:description\"]')?.getAttribute('content') ?? '',\n\t\t}\n\t\tif (!meta.image.startsWith('http')) {\n\t\t\tmeta.image = new URL(meta.image, url).href\n\t\t}\n\t\tif (!meta.favicon.startsWith('http')) {\n\t\t\tmeta.favicon = new URL(meta.favicon, url).href\n\t\t}\n\t} catch (error) {\n\t\tconsole.error(error)\n\t\ttoasts.addToast({\n\t\t\ttitle: msg('assets.url.failed'),\n\t\t\tseverity: 'error',\n\t\t})\n\t\tmeta = { image: '', favicon: '', title: '', description: '' }\n\t}\n\n\t// Create the bookmark asset from the meta\n\treturn {\n\t\tid: AssetRecordType.createId(getHashForString(url)),\n\t\ttypeName: 'asset',\n\t\ttype: 'bookmark',\n\t\tprops: {\n\t\t\tsrc: url,\n\t\t\tdescription: meta.description,\n\t\t\timage: meta.image,\n\t\t\tfavicon: meta.favicon,\n\t\t\ttitle: meta.title,\n\t\t},\n\t\tmeta: {},\n\t} as TLBookmarkAsset\n}\n\n/** @public */\nexport async function defaultHandleExternalSvgTextContent(\n\teditor: Editor,\n\t{ point, text }: { point?: VecLike; text: string }\n) {\n\tconst { sanitizeSvg } = await import('./utils/svg/sanitizeSvg')\n\ttext = sanitizeSvg(text)\n\tif (!text) return\n\n\tconst position =\n\t\tpoint ??\n\t\t(editor.inputs.getShiftKey()\n\t\t\t? editor.inputs.getCurrentPagePoint()\n\t\t\t: editor.getViewportPageBounds().center)\n\n\tconst svg = new DOMParser().parseFromString(text, 'image/svg+xml').querySelector('svg')\n\tif (!svg) {\n\t\tthrow new Error('No <svg/> element present')\n\t}\n\n\tlet width = parseFloat(svg.getAttribute('width') || '0')\n\tlet height = parseFloat(svg.getAttribute('height') || '0')\n\n\tif (!(width && height)) {\n\t\tdocument.body.appendChild(svg)\n\t\tconst box = svg.getBoundingClientRect()\n\t\tdocument.body.removeChild(svg)\n\n\t\twidth = box.width\n\t\theight = box.height\n\t}\n\n\tconst asset = await editor.getAssetForExternalContent({\n\t\ttype: 'file',\n\t\tfile: new File([text], 'asset.svg', { type: 'image/svg+xml' }),\n\t})\n\n\tif (!asset) throw Error('Could not create an asset')\n\n\tcreateShapesForAssets(editor, [asset], position)\n}\n\n/** @public */\nexport function defaultHandleExternalEmbedContent<T>(\n\teditor: Editor,\n\t{ point, url, embed }: { point?: VecLike; url: string; embed: T }\n) {\n\tconst position =\n\t\tpoint ??\n\t\t(editor.inputs.getShiftKey()\n\t\t\t? editor.inputs.getCurrentPagePoint()\n\t\t\t: editor.getViewportPageBounds().center)\n\n\tconst { width, height } = embed as { width: number; height: number }\n\n\tconst id = createShapeId()\n\n\tconst newPoint = maybeSnapToGrid(\n\t\tnew Vec(position.x - (width || 450) / 2, position.y - (height || 450) / 2),\n\t\teditor\n\t)\n\tconst shapePartial: TLShapePartial = {\n\t\tid,\n\t\ttype: 'embed',\n\t\tx: newPoint.x,\n\t\ty: newPoint.y,\n\t\tprops: {\n\t\t\tw: width,\n\t\t\th: height,\n\t\t\turl,\n\t\t},\n\t}\n\n\tif (editor.canCreateShape(shapePartial)) {\n\t\teditor.createShape(shapePartial).select(id)\n\t}\n}\n\n/** @public */\nexport async function defaultHandleExternalFileContent(\n\teditor: Editor,\n\t{ point, files }: { point?: VecLike; files: File[] },\n\toptions: TLDefaultExternalContentHandlerOpts\n) {\n\tconst { acceptedImageMimeTypes = DEFAULT_SUPPORTED_IMAGE_TYPES, toasts, msg } = options\n\tif (files.length > editor.options.maxFilesAtOnce) {\n\t\ttoasts.addToast({ title: msg('assets.files.amount-too-many'), severity: 'error' })\n\t\treturn\n\t}\n\n\tconst position =\n\t\tpoint ??\n\t\t(editor.inputs.getShiftKey()\n\t\t\t? editor.inputs.getCurrentPagePoint()\n\t\t\t: editor.getViewportPageBounds().center)\n\n\tconst pagePoint = new Vec(position.x, position.y)\n\tconst assetPartials: TLAsset[] = []\n\tconst assetsToUpdate: {\n\t\tasset: TLAsset\n\t\tfile: File\n\t}[] = []\n\tfor (const file of files) {\n\t\tconst isSuccess = notifyIfFileNotAllowed(file, options)\n\t\tif (!isSuccess) continue\n\n\t\tconst sanitizedFile = await maybeSanitizeSvgFile(file)\n\t\tif (!sanitizedFile) {\n\t\t\ttoasts.addToast({\n\t\t\t\ttitle: msg('assets.files.upload-failed'),\n\t\t\t\tseverity: 'error',\n\t\t\t})\n\t\t\tcontinue\n\t\t}\n\t\tconst assetInfo = await getAssetInfo(sanitizedFile, options)\n\t\tif (acceptedImageMimeTypes.includes(sanitizedFile.type)) {\n\t\t\teditor.createTemporaryAssetPreview(assetInfo.id, sanitizedFile)\n\t\t}\n\t\tassetPartials.push(assetInfo)\n\t\tassetsToUpdate.push({ asset: assetInfo, file: sanitizedFile })\n\t}\n\n\tPromise.allSettled(\n\t\tassetsToUpdate.map(async (assetAndFile) => {\n\t\t\ttry {\n\t\t\t\tconst newAsset = await editor.getAssetForExternalContent({\n\t\t\t\t\ttype: 'file',\n\t\t\t\t\tfile: assetAndFile.file,\n\t\t\t\t})\n\n\t\t\t\tif (!newAsset) {\n\t\t\t\t\tthrow Error('Could not create an asset')\n\t\t\t\t}\n\n\t\t\t\t// Save the new asset under the old asset's id\n\t\t\t\teditor.updateAssets([{ ...newAsset, id: assetAndFile.asset.id }])\n\t\t\t} catch (error) {\n\t\t\t\ttoasts.addToast({\n\t\t\t\t\ttitle: msg('assets.files.upload-failed'),\n\t\t\t\t\tseverity: 'error',\n\t\t\t\t})\n\t\t\t\tconsole.error(error)\n\t\t\t\teditor.deleteAssets([assetAndFile.asset.id])\n\t\t\t\treturn\n\t\t\t}\n\t\t})\n\t)\n\n\tcreateShapesForAssets(editor, assetPartials, pagePoint)\n}\n\n/** @public */\nexport async function defaultHandleExternalTextContent(\n\teditor: Editor,\n\t{ point, text, html }: { point?: VecLike; text: string; html?: string }\n) {\n\tconst p =\n\t\tpoint ??\n\t\t(editor.inputs.getShiftKey()\n\t\t\t? editor.inputs.getCurrentPagePoint()\n\t\t\t: editor.getViewportPageBounds().center)\n\n\tconst defaultProps = editor.getShapeUtil<TLTextShape>('text').getDefaultProps()\n\n\tconst cleanedUpPlaintext = cleanupText(text)\n\tconst richTextToPaste = html\n\t\t? renderRichTextFromHTML(editor, html)\n\t\t: toRichText(cleanedUpPlaintext)\n\n\t// todo: discuss\n\t// If we have one shape with rich text selected, update the shape's text.\n\t// const onlySelectedShape = editor.getOnlySelectedShape()\n\t// if (onlySelectedShape && 'richText' in onlySelectedShape.props) {\n\t// \teditor.updateShapes([\n\t// \t\t{\n\t// \t\t\tid: onlySelectedShape.id,\n\t// \t\t\ttype: onlySelectedShape.type,\n\t// \t\t\tprops: {\n\t// \t\t\t\trichText: richTextToPaste,\n\t// \t\t\t},\n\t// \t\t},\n\t// \t])\n\n\t// \treturn\n\t// }\n\n\t// Measure the text with default values\n\tlet w: number\n\tlet h: number\n\tlet autoSize: boolean\n\tlet align = 'middle' as TLTextShapeProps['textAlign']\n\n\tconst htmlToMeasure = html ?? cleanedUpPlaintext.replace(/\\n/g, '<br>')\n\tconst isMultiLine = html\n\t\t? richTextToPaste.content.length > 1\n\t\t: cleanedUpPlaintext.split('\\n').length > 1\n\n\t// check whether the text contains the most common characters in RTL languages\n\tconst isRtl = isRightToLeftLanguage(cleanedUpPlaintext)\n\n\tif (isMultiLine) {\n\t\talign = isMultiLine ? (isRtl ? 'end' : 'start') : 'middle'\n\t}\n\n\tconst rawSize = editor.textMeasure.measureHtml(htmlToMeasure, {\n\t\t...TEXT_PROPS,\n\t\tfontFamily: FONT_FAMILIES[defaultProps.font],\n\t\tfontSize: FONT_SIZES[defaultProps.size],\n\t\tmaxWidth: null,\n\t})\n\n\tconst minWidth = Math.min(\n\t\tisMultiLine ? editor.getViewportPageBounds().width * 0.9 : 920,\n\t\tMath.max(200, editor.getViewportPageBounds().width * 0.9)\n\t)\n\n\tif (rawSize.w > minWidth) {\n\t\tconst shrunkSize = editor.textMeasure.measureHtml(htmlToMeasure, {\n\t\t\t...TEXT_PROPS,\n\t\t\tfontFamily: FONT_FAMILIES[defaultProps.font],\n\t\t\tfontSize: FONT_SIZES[defaultProps.size],\n\t\t\tmaxWidth: minWidth,\n\t\t})\n\t\tw = shrunkSize.w\n\t\th = shrunkSize.h\n\t\tautoSize = false\n\t\talign = isRtl ? 'end' : 'start'\n\t} else {\n\t\t// autosize is fine\n\t\tw = Math.max(rawSize.w, 10)\n\t\th = Math.max(rawSize.h, 10)\n\t\tautoSize = true\n\t}\n\n\tif (p.y - h / 2 < editor.getViewportPageBounds().minY + 40) {\n\t\tp.y = editor.getViewportPageBounds().minY + 40 + h / 2\n\t}\n\n\tconst newPoint = maybeSnapToGrid(new Vec(p.x - w / 2, p.y - h / 2), editor)\n\tconst shapeId = createShapeId()\n\n\t// Allow this to trigger the max shapes reached alert\n\teditor.createShapes([\n\t\t{\n\t\t\tid: shapeId,\n\t\t\ttype: 'text',\n\t\t\tx: newPoint.x,\n\t\t\ty: newPoint.y,\n\t\t\tprops: {\n\t\t\t\trichText: richTextToPaste,\n\t\t\t\t// if the text has more than one line, align it to the left\n\t\t\t\ttextAlign: align,\n\t\t\t\tautoSize,\n\t\t\t\tw,\n\t\t\t},\n\t\t},\n\t])\n}\n\n/** @public */\nexport async function defaultHandleExternalUrlContent(\n\teditor: Editor,\n\t{ point, url }: { point?: VecLike; url: string },\n\t{ toasts, msg }: TLDefaultExternalContentHandlerOpts\n) {\n\t// try to paste as an embed first\n\tconst embedUtil = editor.getShapeUtil('embed') as EmbedShapeUtil | undefined\n\tconst embedInfo = embedUtil?.getEmbedDefinition(url)\n\n\tif (embedInfo && embedInfo.definition.embedOnPaste !== false) {\n\t\treturn editor.putExternalContent({\n\t\t\ttype: 'embed',\n\t\t\turl: embedInfo.url,\n\t\t\tpoint,\n\t\t\tembed: embedInfo.definition,\n\t\t})\n\t}\n\n\tconst position =\n\t\tpoint ??\n\t\t(editor.inputs.getShiftKey()\n\t\t\t? editor.inputs.getCurrentPagePoint()\n\t\t\t: editor.getViewportPageBounds().center)\n\n\t// Use the new function to create the bookmark\n\tconst result = await createBookmarkFromUrl(editor, { url, center: position })\n\n\tif (!result.ok) {\n\t\ttoasts.addToast({\n\t\t\ttitle: msg('assets.url.failed'),\n\t\t\tseverity: 'error',\n\t\t})\n\t\treturn\n\t}\n}\n\n/** @public */\nexport async function defaultHandleExternalTldrawContent(\n\teditor: Editor,\n\t{ point, content }: { point?: VecLike; content: TLContent }\n) {\n\teditor.run(() => {\n\t\tconst selectionBoundsBefore = editor.getSelectionPageBounds()\n\t\teditor.markHistoryStoppingPoint('paste')\n\n\t\t// Unlock any locked root shapes on paste\n\t\tfor (const shape of content.shapes) {\n\t\t\tif (content.rootShapeIds.includes(shape.id)) {\n\t\t\t\tshape.isLocked = false\n\t\t\t}\n\t\t}\n\n\t\teditor.putContentOntoCurrentPage(content, {\n\t\t\tpoint: point,\n\t\t\tselect: true,\n\t\t})\n\t\tconst selectedBoundsAfter = editor.getSelectionPageBounds()\n\t\tif (\n\t\t\tselectionBoundsBefore &&\n\t\t\tselectedBoundsAfter &&\n\t\t\tselectionBoundsBefore?.collides(selectedBoundsAfter)\n\t\t) {\n\t\t\t// Creates a 'puff' to show content has been pasted\n\t\t\teditor.updateInstanceState({ isChangingStyle: true })\n\t\t\teditor.timers.setTimeout(() => {\n\t\t\t\teditor.updateInstanceState({ isChangingStyle: false })\n\t\t\t}, 150)\n\t\t}\n\t})\n}\n\n/** @public */\nexport async function defaultHandleExternalExcalidrawContent(\n\teditor: Editor,\n\t{ point, content }: { point?: VecLike; content: any }\n) {\n\teditor.run(() => {\n\t\tputExcalidrawContent(editor, content, point)\n\t})\n}\n\n/** @public */\nexport async function getMediaAssetInfoPartial(\n\tfile: File,\n\tassetId: TLAssetId,\n\tisImageType: boolean,\n\tisVideoType: boolean,\n\tmaxImageDimension?: number\n) {\n\tlet fileType = file.type\n\n\tif (file.type === 'video/quicktime') {\n\t\t// hack to make .mov videos work\n\t\tfileType = 'video/mp4'\n\t}\n\n\tconst size = isImageType\n\t\t? await MediaHelpers.getImageSize(file)\n\t\t: await MediaHelpers.getVideoSize(file)\n\n\tconst isAnimated = (await MediaHelpers.isAnimated(file)) || isVideoType\n\n\tconst pixelRatio = 'pixelRatio' in size && size.pixelRatio !== 1 ? size.pixelRatio : undefined\n\n\tconst assetInfo = {\n\t\tid: assetId,\n\t\ttype: isImageType ? 'image' : 'video',\n\t\ttypeName: 'asset',\n\t\tprops: {\n\t\t\tname: file.name,\n\t\t\tsrc: '',\n\t\t\tw: size.w,\n\t\t\th: size.h,\n\t\t\tfileSize: file.size,\n\t\t\tmimeType: fileType,\n\t\t\tisAnimated,\n\t\t\t...(isImageType && pixelRatio ? { pixelRatio } : undefined),\n\t\t},\n\t\tmeta: {},\n\t} as TLImageAsset | TLVideoAsset\n\n\tif (maxImageDimension && isFinite(maxImageDimension)) {\n\t\tconst size = { w: assetInfo.props.w, h: assetInfo.props.h }\n\t\tconst resizedSize = containBoxSize(size, { w: maxImageDimension, h: maxImageDimension })\n\t\tif (size !== resizedSize && MediaHelpers.isStaticImageType(file.type)) {\n\t\t\tassetInfo.props.w = resizedSize.w\n\t\t\tassetInfo.props.h = resizedSize.h\n\t\t}\n\t}\n\n\treturn assetInfo\n}\n\n/**\n * A helper function for an external content handler. It creates bookmarks,\n * images or video shapes corresponding to the type of assets provided.\n *\n * @param editor - The editor instance\n *\n * @param assets - An array of asset Ids\n *\n * @param position - the position at which to create the shapes\n *\n * @public\n */\nexport async function createShapesForAssets(\n\teditor: Editor,\n\tassets: TLAsset[],\n\tposition: VecLike\n): Promise<TLShapeId[]> {\n\tif (!assets.length) return []\n\n\tconst currentPoint = Vec.From(position)\n\tconst partials: TLShapePartial[] = []\n\n\tfor (let i = 0; i < assets.length; i++) {\n\t\tconst asset = assets[i]\n\t\tswitch (asset.type) {\n\t\t\tcase 'image': {\n\t\t\t\tpartials.push({\n\t\t\t\t\tid: createShapeId(),\n\t\t\t\t\ttype: 'image',\n\t\t\t\t\tx: currentPoint.x,\n\t\t\t\t\ty: currentPoint.y,\n\t\t\t\t\topacity: 1,\n\t\t\t\t\tprops: {\n\t\t\t\t\t\tassetId: asset.id,\n\t\t\t\t\t\tw: asset.props.w,\n\t\t\t\t\t\th: asset.props.h,\n\t\t\t\t\t},\n\t\t\t\t})\n\n\t\t\t\tcurrentPoint.x += asset.props.w\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tcase 'video': {\n\t\t\t\tpartials.push({\n\t\t\t\t\tid: createShapeId(),\n\t\t\t\t\ttype: 'video',\n\t\t\t\t\tx: currentPoint.x,\n\t\t\t\t\ty: currentPoint.y,\n\t\t\t\t\topacity: 1,\n\t\t\t\t\tprops: {\n\t\t\t\t\t\tassetId: asset.id,\n\t\t\t\t\t\tw: asset.props.w,\n\t\t\t\t\t\th: asset.props.h,\n\t\t\t\t\t},\n\t\t\t\t})\n\n\t\t\t\tcurrentPoint.x += asset.props.w\n\t\t\t}\n\t\t}\n\t}\n\n\teditor.run(() => {\n\t\t// Create any assets\n\t\tconst assetsToCreate = assets.filter((asset) => !editor.getAsset(asset.id))\n\n\t\teditor.store.atomic(() => {\n\t\t\tif (editor.canCreateShapes(partials)) {\n\t\t\t\tif (assetsToCreate.length) {\n\t\t\t\t\teditor.createAssets(assetsToCreate)\n\t\t\t\t}\n\n\t\t\t\t// Create the shapes\n\t\t\t\teditor.createShapes(partials).select(...partials.map((p) => p.id))\n\n\t\t\t\t// Re-position shapes so that the center of the group is at the provided point\n\t\t\t\tcenterSelectionAroundPoint(editor, position)\n\t\t\t}\n\t\t})\n\t})\n\n\treturn partials.map((p) => p.id)\n}\n\n/**\n * Repositions selected shapes do that the center of the group is\n * at the provided position\n *\n * @param editor - The editor instance\n *\n * @param position - the point to center the shapes around\n *\n * @public\n */\nexport function centerSelectionAroundPoint(editor: Editor, position: VecLike) {\n\t// Re-position shapes so that the center of the group is at the provided point\n\tconst viewportPageBounds = editor.getViewportPageBounds()\n\tlet selectionPageBounds = editor.getSelectionPageBounds()\n\n\tif (selectionPageBounds) {\n\t\tconst offset = selectionPageBounds!.center.sub(position)\n\n\t\teditor.updateShapes(\n\t\t\teditor.getSelectedShapes().map((shape) => {\n\t\t\t\tconst localRotation = editor.getShapeParentTransform(shape).decompose().rotation\n\t\t\t\tconst localDelta = Vec.Rot(offset, -localRotation)\n\t\t\t\treturn {\n\t\t\t\t\tid: shape.id,\n\t\t\t\t\ttype: shape.type,\n\t\t\t\t\tx: shape.x! - localDelta.x,\n\t\t\t\t\ty: shape.y! - localDelta.y,\n\t\t\t\t}\n\t\t\t})\n\t\t)\n\t}\n\tselectionPageBounds = editor.getSelectionPageBounds()\n\t// align selection with the grid if necessary\n\tif (selectionPageBounds && editor.getInstanceState().isGridMode) {\n\t\tconst gridSize = editor.getDocumentSettings().gridSize\n\t\tconst topLeft = new Vec(selectionPageBounds.minX, selectionPageBounds.minY)\n\t\tconst gridSnappedPoint = topLeft.clone().snapToGrid(gridSize)\n\t\tconst delta = Vec.Sub(topLeft, gridSnappedPoint)\n\t\teditor.updateShapes(\n\t\t\teditor.getSelectedShapes().map((shape) => {\n\t\t\t\tconst newPoint = { x: shape.x! - delta.x, y: shape.y! - delta.y }\n\t\t\t\treturn {\n\t\t\t\t\tid: shape.id,\n\t\t\t\t\ttype: shape.type,\n\t\t\t\t\tx: newPoint.x,\n\t\t\t\t\ty: newPoint.y,\n\t\t\t\t}\n\t\t\t})\n\t\t)\n\t}\n\t// Zoom out to fit the shapes, if necessary\n\tselectionPageBounds = editor.getSelectionPageBounds()\n\tif (selectionPageBounds && !viewportPageBounds.contains(selectionPageBounds)) {\n\t\teditor.zoomToSelection({ animation: { duration: editor.options.animationMediumMs } })\n\t}\n}\n\n/** @public */\nexport function createEmptyBookmarkShape(\n\teditor: Editor,\n\turl: string,\n\tposition: VecLike\n): TLBookmarkShape {\n\tconst partial: TLShapePartial = {\n\t\tid: createShapeId(),\n\t\ttype: 'bookmark',\n\t\tx: position.x - 150,\n\t\ty: position.y - 160,\n\t\topacity: 1,\n\t\tprops: {\n\t\t\tassetId: null,\n\t\t\turl,\n\t\t},\n\t}\n\n\teditor.run(() => {\n\t\t// Allow this to trigger the max shapes reached alert\n\t\teditor.createShape(partial)\n\t\tif (!editor.getShape(partial.id)) return\n\t\teditor.select(partial.id)\n\t\tcenterSelectionAroundPoint(editor, position)\n\t})\n\n\treturn editor.getShape(partial.id) as TLBookmarkShape\n}\n\nasync function maybeSanitizeSvgFile(file: File): Promise<File | null> {\n\tif (file.type !== 'image/svg+xml') return file\n\ttry {\n\t\tconst text = await file.text()\n\t\tconst { sanitizeSvg } = await import('./utils/svg/sanitizeSvg')\n\t\tconst sanitized = sanitizeSvg(text)\n\t\tif (!sanitized) return null\n\t\treturn new File([sanitized], file.name, { type: file.type, lastModified: file.lastModified })\n\t} catch {\n\t\treturn null\n\t}\n}\n\n/**\n * Checks if a file is allowed to be uploaded. If it is not, it will show a toast explaining why to the user.\n *\n * @param file - The file to check\n * @param options - The options for the external content handler\n * @returns True if the file is allowed, false otherwise\n * @public\n */\nexport function notifyIfFileNotAllowed(file: File, options: TLDefaultExternalContentHandlerOpts) {\n\tconst {\n\t\tacceptedImageMimeTypes = DEFAULT_SUPPORTED_IMAGE_TYPES,\n\t\tacceptedVideoMimeTypes = DEFAULT_SUPPORT_VIDEO_TYPES,\n\t\tmaxAssetSize = DEFAULT_MAX_ASSET_SIZE,\n\t\ttoasts,\n\t\tmsg,\n\t} = options\n\tconst isImageType = acceptedImageMimeTypes.includes(file.type)\n\tconst isVideoType = acceptedVideoMimeTypes.includes(file.type)\n\n\tif (!isImageType && !isVideoType) {\n\t\ttoasts.addToast({\n\t\t\ttitle: msg('assets.files.type-not-allowed'),\n\t\t\tseverity: 'error',\n\t\t})\n\t\treturn false\n\t}\n\n\tif (file.size > maxAssetSize) {\n\t\tconst formatBytes = (bytes: number): string => {\n\t\t\tif (bytes === 0) return '0 bytes'\n\n\t\t\tconst units = ['bytes', 'KB', 'MB', 'GB', 'TB', 'PB']\n\t\t\tconst base = 1024\n\t\t\tconst unitIndex = Math.floor(Math.log(bytes) / Math.log(base))\n\n\t\t\tconst value = bytes / Math.pow(base, unitIndex)\n\t\t\tconst formatted = value % 1 === 0 ? value.toString() : value.toFixed(1)\n\n\t\t\treturn `${formatted} ${units[unitIndex]}`\n\t\t}\n\n\t\ttoasts.addToast({\n\t\t\ttitle: msg('assets.files.size-too-big'),\n\t\t\tdescription: msg('assets.files.maximum-size').replace('{size}', formatBytes(maxAssetSize)),\n\t\t\tseverity: 'error',\n\t\t})\n\t\treturn false\n\t}\n\n\t// Use mime type instead of file ext, this is because\n\t// window.navigator.clipboard does not preserve file names\n\t// of copied files.\n\tif (!file.type) {\n\t\ttoasts.addToast({\n\t\t\ttitle: msg('assets.files.upload-failed'),\n\t\t\tseverity: 'error',\n\t\t})\n\t\tconsole.error('No mime type')\n\t\treturn false\n\t}\n\n\treturn true\n}\n\n/** @public */\nexport async function getAssetInfo(\n\tfile: File,\n\toptions: TLDefaultExternalContentHandlerOpts,\n\tassetId?: TLAssetId\n) {\n\tconst {\n\t\tacceptedImageMimeTypes = DEFAULT_SUPPORTED_IMAGE_TYPES,\n\t\tacceptedVideoMimeTypes = DEFAULT_SUPPORT_VIDEO_TYPES,\n\t\tmaxImageDimension = DEFAULT_MAX_IMAGE_DIMENSION,\n\t} = options\n\n\tconst isImageType = acceptedImageMimeTypes.includes(file.type)\n\tconst isVideoType = acceptedVideoMimeTypes.includes(file.type)\n\tconst hash = getHashForBuffer(await file.arrayBuffer())\n\tassetId ??= AssetRecordType.createId(hash)\n\tconst assetInfo = await getMediaAssetInfoPartial(\n\t\tfile,\n\t\tassetId,\n\t\tisImageType,\n\t\tisVideoType,\n\t\tmaxImageDimension\n\t)\n\treturn assetInfo\n}\n"],
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