{
  "version": 3,
  "sources": ["../../src/font-library/upload-fonts.tsx"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { __ } from '@wordpress/i18n';\nimport {\n\t__experimentalText as WCText,\n\t__experimentalVStack as VStack,\n\tButton,\n\tDropZone,\n\tNotice,\n\tFormFileUpload,\n\tFlexItem,\n\tProgressBar,\n} from '@wordpress/components';\nimport { useContext, useState } from '@wordpress/element';\nimport type { FontFace } from '@wordpress/core-data';\n\n/**\n * Internal dependencies\n */\nimport { ALLOWED_FILE_EXTENSIONS } from './utils/constants';\nimport { FontLibraryContext } from './context';\nimport { Font } from './lib/lib-font.browser';\nimport makeFamiliesFromFaces from './utils/make-families-from-faces';\nimport { loadFontFaceInBrowser } from './utils';\n\nfunction UploadFonts() {\n\tconst { installFonts } = useContext( FontLibraryContext );\n\tconst [ isUploading, setIsUploading ] = useState( false );\n\tconst [ notice, setNotice ] = useState< {\n\t\ttype: 'success' | 'error';\n\t\tmessage: string;\n\t\terrors?: string[];\n\t} | null >( null );\n\n\tconst handleDropZone = ( files: File[] ) => {\n\t\thandleFilesUpload( files );\n\t};\n\tconst onFilesUpload = ( event: React.ChangeEvent< HTMLInputElement > ) => {\n\t\thandleFilesUpload( event.target.files );\n\t};\n\n\t/**\n\t * Filters the selected files to only allow the ones with the allowed extensions\n\t *\n\t * @param {Array} files The files to be filtered\n\t * @return {void}\n\t */\n\tconst handleFilesUpload = async ( files: FileList | File[] | null ) => {\n\t\tif ( ! files ) {\n\t\t\treturn;\n\t\t}\n\t\tsetNotice( null );\n\t\tsetIsUploading( true );\n\t\tconst uniqueFilenames = new Set();\n\t\tconst selectedFiles = [ ...files ];\n\t\tlet hasInvalidFiles = false;\n\n\t\t// Use map to create a promise for each file check, then filter with Promise.all.\n\t\tconst checkFilesPromises = selectedFiles.map( async ( file ) => {\n\t\t\tconst isFont = await isFontFile( file );\n\t\t\tif ( ! isFont ) {\n\t\t\t\thasInvalidFiles = true;\n\t\t\t\treturn null; // Return null for invalid files.\n\t\t\t}\n\t\t\t// Check for duplicates\n\t\t\tif ( uniqueFilenames.has( file.name ) ) {\n\t\t\t\treturn null; // Return null for duplicates.\n\t\t\t}\n\t\t\t// Check if the file extension is allowed.\n\t\t\tconst fileExtension = (\n\t\t\t\t( ( file.name ?? '' ).split( '.' ) ?? [] ).pop() ?? ''\n\t\t\t).toLowerCase();\n\t\t\tif ( ALLOWED_FILE_EXTENSIONS.includes( fileExtension ) ) {\n\t\t\t\tuniqueFilenames.add( file.name );\n\t\t\t\treturn file; // Return the file if it passes all checks.\n\t\t\t}\n\t\t\treturn null; // Return null for disallowed file extensions.\n\t\t} );\n\n\t\t// Filter out the nulls after all promises have resolved.\n\t\tconst allowedFiles: File[] = (\n\t\t\tawait Promise.all( checkFilesPromises )\n\t\t).filter( ( file ) => null !== file );\n\n\t\tif ( allowedFiles.length > 0 ) {\n\t\t\tloadFiles( allowedFiles );\n\t\t} else {\n\t\t\tconst message = hasInvalidFiles\n\t\t\t\t? __( 'Sorry, you are not allowed to upload this file type.' )\n\t\t\t\t: __( 'No fonts found to install.' );\n\n\t\t\tsetNotice( {\n\t\t\t\ttype: 'error',\n\t\t\t\tmessage,\n\t\t\t} );\n\t\t\tsetIsUploading( false );\n\t\t}\n\t};\n\n\t/**\n\t * Loads the selected files and reads the font metadata\n\t *\n\t * @param {Array} files The files to be loaded\n\t * @return {void}\n\t */\n\tconst loadFiles = async ( files: File[] ) => {\n\t\tconst fontFacesLoaded = await Promise.all(\n\t\t\tfiles.map( async ( fontFile: File ) => {\n\t\t\t\tconst fontFaceData = await getFontFaceMetadata( fontFile );\n\t\t\t\tawait loadFontFaceInBrowser(\n\t\t\t\t\tfontFaceData,\n\t\t\t\t\tfontFaceData.file,\n\t\t\t\t\t'all'\n\t\t\t\t);\n\t\t\t\treturn fontFaceData;\n\t\t\t} )\n\t\t);\n\t\thandleInstall( fontFacesLoaded );\n\t};\n\n\t/**\n\t * Checks if a file is a valid Font file.\n\t *\n\t * @param {File} file The file to be checked.\n\t * @return {boolean} Whether the file is a valid font file.\n\t */\n\tasync function isFontFile( file: File ) {\n\t\tconst font = new Font( 'Uploaded Font' );\n\t\ttry {\n\t\t\tconst buffer = await readFileAsArrayBuffer( file );\n\t\t\tawait font.fromDataBuffer( buffer, 'font' );\n\t\t\treturn true;\n\t\t} catch {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\t// Create a function to read the file as array buffer\n\tasync function readFileAsArrayBuffer( file: File ) {\n\t\treturn new Promise( ( resolve, reject ) => {\n\t\t\tconst reader = new window.FileReader();\n\t\t\treader.readAsArrayBuffer( file );\n\t\t\treader.onload = () => resolve( reader.result );\n\t\t\treader.onerror = reject;\n\t\t} );\n\t}\n\n\tconst getFontFaceMetadata = async ( fontFile: File ) => {\n\t\tconst buffer = await readFileAsArrayBuffer( fontFile );\n\t\tconst fontObj: Font & {\n\t\t\tonload?: ( val: { detail: { font: any } } ) => void;\n\t\t} = new Font( 'Uploaded Font' );\n\t\tfontObj.fromDataBuffer( buffer, fontFile.name );\n\t\t// Assuming that fromDataBuffer triggers onload event and returning a Promise\n\t\tconst onloadEvent: { detail: { font: any } } = await new Promise(\n\t\t\t( resolve ) => ( fontObj.onload = resolve )\n\t\t);\n\t\tconst font = onloadEvent.detail.font;\n\t\tconst { name } = font.opentype.tables;\n\t\tconst fontName = name.get( 16 ) || name.get( 1 );\n\t\tconst isItalic = name.get( 2 ).toLowerCase().includes( 'italic' );\n\t\tconst fontWeight =\n\t\t\tfont.opentype.tables[ 'OS/2' ].usWeightClass || 'normal';\n\t\tconst isVariable = !! font.opentype.tables.fvar;\n\t\tconst weightAxis =\n\t\t\tisVariable &&\n\t\t\tfont.opentype.tables.fvar.axes.find(\n\t\t\t\t( { tag }: { tag: string } ) => tag === 'wght'\n\t\t\t);\n\t\tconst weightRange = weightAxis\n\t\t\t? `${ weightAxis.minValue } ${ weightAxis.maxValue }`\n\t\t\t: null;\n\t\treturn {\n\t\t\tfile: fontFile,\n\t\t\tfontFamily: fontName,\n\t\t\tfontStyle: isItalic ? 'italic' : 'normal',\n\t\t\tfontWeight: weightRange || fontWeight,\n\t\t};\n\t};\n\n\t/**\n\t * Creates the font family definition and sends it to the server\n\t *\n\t * @param {Array} fontFaces The font faces to be installed\n\t * @return {void}\n\t */\n\tconst handleInstall = async ( fontFaces: FontFace[] ) => {\n\t\tconst fontFamilies = makeFamiliesFromFaces( fontFaces );\n\n\t\ttry {\n\t\t\tawait installFonts( fontFamilies );\n\t\t\tsetNotice( {\n\t\t\t\ttype: 'success',\n\t\t\t\tmessage: __( 'Fonts were installed successfully.' ),\n\t\t\t} );\n\t\t} catch ( error ) {\n\t\t\tconst typedError = error as Error & {\n\t\t\t\tinstallationErrors?: string[];\n\t\t\t};\n\t\t\tsetNotice( {\n\t\t\t\ttype: 'error',\n\t\t\t\tmessage: typedError.message,\n\t\t\t\terrors: typedError?.installationErrors,\n\t\t\t} );\n\t\t}\n\n\t\tsetIsUploading( false );\n\t};\n\n\treturn (\n\t\t<div className=\"font-library__tabpanel-layout\">\n\t\t\t<DropZone onFilesDrop={ handleDropZone } />\n\t\t\t<VStack className=\"font-library__local-fonts\" justify=\"start\">\n\t\t\t\t{ notice && (\n\t\t\t\t\t<Notice\n\t\t\t\t\t\tstatus={ notice.type }\n\t\t\t\t\t\t__unstableHTML\n\t\t\t\t\t\tonRemove={ () => setNotice( null ) }\n\t\t\t\t\t>\n\t\t\t\t\t\t{ notice.message }\n\t\t\t\t\t\t{ notice.errors && (\n\t\t\t\t\t\t\t<ul>\n\t\t\t\t\t\t\t\t{ notice.errors.map( ( error, index ) => (\n\t\t\t\t\t\t\t\t\t<li key={ index }>{ error }</li>\n\t\t\t\t\t\t\t\t) ) }\n\t\t\t\t\t\t\t</ul>\n\t\t\t\t\t\t) }\n\t\t\t\t\t</Notice>\n\t\t\t\t) }\n\t\t\t\t{ isUploading && (\n\t\t\t\t\t<FlexItem>\n\t\t\t\t\t\t<div className=\"font-library__upload-area\">\n\t\t\t\t\t\t\t<ProgressBar />\n\t\t\t\t\t\t</div>\n\t\t\t\t\t</FlexItem>\n\t\t\t\t) }\n\t\t\t\t{ ! isUploading && (\n\t\t\t\t\t<FormFileUpload\n\t\t\t\t\t\taccept={ ALLOWED_FILE_EXTENSIONS.map(\n\t\t\t\t\t\t\t( ext ) => `.${ ext }`\n\t\t\t\t\t\t).join( ',' ) }\n\t\t\t\t\t\tmultiple\n\t\t\t\t\t\tonChange={ onFilesUpload }\n\t\t\t\t\t\trender={ ( { openFileDialog } ) => (\n\t\t\t\t\t\t\t<Button\n\t\t\t\t\t\t\t\t__next40pxDefaultSize\n\t\t\t\t\t\t\t\tclassName=\"font-library__upload-area\"\n\t\t\t\t\t\t\t\tonClick={ openFileDialog }\n\t\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t{ __( 'Upload font' ) }\n\t\t\t\t\t\t\t</Button>\n\t\t\t\t\t\t) }\n\t\t\t\t\t/>\n\t\t\t\t) }\n\t\t\t\t<WCText className=\"font-library__upload-area__text\">\n\t\t\t\t\t{ __(\n\t\t\t\t\t\t'Uploaded fonts appear in your library and can be used in your theme. 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