@appsemble/utils/assets.js

Utility functions used in Appsemble internally

export var MimeTypeCategory;
(function (MimeTypeCategory) {
    MimeTypeCategory["Image"] = "image";
    MimeTypeCategory["Video"] = "video";
    MimeTypeCategory["PDF"] = "pdf";
    MimeTypeCategory["Wordprocessing"] = "wordprocessing";
    MimeTypeCategory["Spreadsheet"] = "spreadsheet";
    MimeTypeCategory["Presentation"] = "presentation";
    MimeTypeCategory["Archive"] = "archive";
})(MimeTypeCategory || (MimeTypeCategory = {}));
const mimeTypeCategories = {
    [MimeTypeCategory.Image]: ['image/jpeg', 'image/png', 'image/gif', 'image/*'],
    [MimeTypeCategory.Video]: ['video/mp4', 'video/webm', 'video/ogg', 'video/*'],
    [MimeTypeCategory.PDF]: ['application/pdf'],
    [MimeTypeCategory.Wordprocessing]: [
        'application/msword',
        'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
    ],
    [MimeTypeCategory.Spreadsheet]: [
        'application/vnd.ms-excel',
        'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
    ],
    [MimeTypeCategory.Presentation]: [
        'application/vnd.ms-powerpoint',
        'application/vnd.openxmlformats-officedocument.presentationml.presentation',
    ],
    [MimeTypeCategory.Archive]: ['application/zip'],
};
/**
 * Puts a mimetype into one of the predefined categories.
 *
 * Wildcard behavior is supported.
 *
 * @param mimeType A mimetype to categorize
 * @returns A category that the mimetype falls into or null if no category is found
 */
export function getMimeTypeCategory(mimeType) {
    const [mimeBaseType, mimeSubType] = mimeType.split('/');
    const [category] = Object.entries(mimeTypeCategories).find(([, types]) => types.some((type) => {
        const [baseType, subType] = type.split('/');
        return baseType === mimeBaseType && (subType === '*' || subType === mimeSubType);
    })) ?? [null];
    return category;
}
export function getMimeTypeCategories(mimeTypes) {
    return Array.from(new Set(mimeTypes.map(getMimeTypeCategory).filter((cat) => cat != null)));
}
export function getMimeTypeIcon(category) {
    switch (category) {
        case MimeTypeCategory.Image:
        case MimeTypeCategory.Video:
        case MimeTypeCategory.PDF:
            return `file-${category}`;
        case MimeTypeCategory.Wordprocessing:
            return 'file-word';
        case MimeTypeCategory.Spreadsheet:
            return 'file-excel';
        case MimeTypeCategory.Presentation:
            return 'file-powerpoint';
        case MimeTypeCategory.Archive:
            return 'file-zipper';
        default:
            return 'file';
    }
}
/**
 * Extracts the filename from a Content-Disposition header string.
 *
 * @param contentDisposition The Content-Disposition header string
 * @returns The name of the file or null if it's not present
 */
export function getFilenameFromContentDisposition(contentDisposition) {
    const filenameRegex = /filename="([^"]+)"/;
    const matches = filenameRegex.exec(contentDisposition);
    if (matches != null && matches[1]) {
        return matches[1].replaceAll(/["']/g, '');
    }
    return null;
}
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