file-selector/dist/es2015/file.js

export const COMMON_MIME_TYPES = new Map([
    // https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types
    ['aac', 'audio/aac'],
    ['abw', 'application/x-abiword'],
    ['arc', 'application/x-freearc'],
    ['avif', 'image/avif'],
    ['avi', 'video/x-msvideo'],
    ['azw', 'application/vnd.amazon.ebook'],
    ['bin', 'application/octet-stream'],
    ['bmp', 'image/bmp'],
    ['bz', 'application/x-bzip'],
    ['bz2', 'application/x-bzip2'],
    ['cda', 'application/x-cdf'],
    ['csh', 'application/x-csh'],
    ['css', 'text/css'],
    ['csv', 'text/csv'],
    ['doc', 'application/msword'],
    ['docx', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document'],
    ['eot', 'application/vnd.ms-fontobject'],
    ['epub', 'application/epub+zip'],
    ['gz', 'application/gzip'],
    ['gif', 'image/gif'],
    ['heic', 'image/heic'],
    ['heif', 'image/heif'],
    ['htm', 'text/html'],
    ['html', 'text/html'],
    ['ico', 'image/vnd.microsoft.icon'],
    ['ics', 'text/calendar'],
    ['jar', 'application/java-archive'],
    ['jpeg', 'image/jpeg'],
    ['jpg', 'image/jpeg'],
    ['js', 'text/javascript'],
    ['json', 'application/json'],
    ['jsonld', 'application/ld+json'],
    ['mid', 'audio/midi'],
    ['midi', 'audio/midi'],
    ['mjs', 'text/javascript'],
    ['mp3', 'audio/mpeg'],
    ['mp4', 'video/mp4'],
    ['mpeg', 'video/mpeg'],
    ['mpkg', 'application/vnd.apple.installer+xml'],
    ['odp', 'application/vnd.oasis.opendocument.presentation'],
    ['ods', 'application/vnd.oasis.opendocument.spreadsheet'],
    ['odt', 'application/vnd.oasis.opendocument.text'],
    ['oga', 'audio/ogg'],
    ['ogv', 'video/ogg'],
    ['ogx', 'application/ogg'],
    ['opus', 'audio/opus'],
    ['otf', 'font/otf'],
    ['png', 'image/png'],
    ['pdf', 'application/pdf'],
    ['php', 'application/x-httpd-php'],
    ['ppt', 'application/vnd.ms-powerpoint'],
    ['pptx', 'application/vnd.openxmlformats-officedocument.presentationml.presentation'],
    ['rar', 'application/vnd.rar'],
    ['rtf', 'application/rtf'],
    ['sh', 'application/x-sh'],
    ['svg', 'image/svg+xml'],
    ['swf', 'application/x-shockwave-flash'],
    ['tar', 'application/x-tar'],
    ['tif', 'image/tiff'],
    ['tiff', 'image/tiff'],
    ['ts', 'video/mp2t'],
    ['ttf', 'font/ttf'],
    ['txt', 'text/plain'],
    ['vsd', 'application/vnd.visio'],
    ['wav', 'audio/wav'],
    ['weba', 'audio/webm'],
    ['webm', 'video/webm'],
    ['webp', 'image/webp'],
    ['woff', 'font/woff'],
    ['woff2', 'font/woff2'],
    ['xhtml', 'application/xhtml+xml'],
    ['xls', 'application/vnd.ms-excel'],
    ['xlsx', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'],
    ['xml', 'application/xml'],
    ['xul', 'application/vnd.mozilla.xul+xml'],
    ['zip', 'application/zip'],
    ['7z', 'application/x-7z-compressed'],
    // Others
    ['mkv', 'video/x-matroska'],
    ['mov', 'video/quicktime'],
    ['msg', 'application/vnd.ms-outlook']
]);
export function toFileWithPath(file, path) {
    const f = withMimeType(file);
    if (typeof f.path !== 'string') { // on electron, path is already set to the absolute path
        const { webkitRelativePath } = file;
        Object.defineProperty(f, 'path', {
            value: typeof path === 'string'
                ? path
                // If <input webkitdirectory> is set,
                // the File will have a {webkitRelativePath} property
                // https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/webkitdirectory
                : typeof webkitRelativePath === 'string' && webkitRelativePath.length > 0
                    ? webkitRelativePath
                    : file.name,
            writable: false,
            configurable: false,
            enumerable: true
        });
    }
    return f;
}
function withMimeType(file) {
    const { name } = file;
    const hasExtension = name && name.lastIndexOf('.') !== -1;
    if (hasExtension && !file.type) {
        const ext = name.split('.')
            .pop().toLowerCase();
        const type = COMMON_MIME_TYPES.get(ext);
        if (type) {
            Object.defineProperty(file, 'type', {
                value: type,
                writable: false,
                configurable: false,
                enumerable: true
            });
        }
    }
    return file;
}
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