@sussudio/base
Version:
Internal APIs for VS Code's utilities and user interface building blocks.
108 lines (107 loc) • 3.07 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { extname } from './path.mjs';
export const Mimes = Object.freeze({
text: 'text/plain',
binary: 'application/octet-stream',
unknown: 'application/unknown',
markdown: 'text/markdown',
latex: 'text/latex',
uriList: 'text/uri-list',
});
const mapExtToTextMimes = {
'.css': 'text/css',
'.csv': 'text/csv',
'.htm': 'text/html',
'.html': 'text/html',
'.ics': 'text/calendar',
'.js': 'text/javascript',
'.mjs': 'text/javascript',
'.txt': 'text/plain',
'.xml': 'text/xml',
};
// Known media mimes that we can handle
const mapExtToMediaMimes = {
'.aac': 'audio/x-aac',
'.avi': 'video/x-msvideo',
'.bmp': 'image/bmp',
'.flv': 'video/x-flv',
'.gif': 'image/gif',
'.ico': 'image/x-icon',
'.jpe': 'image/jpg',
'.jpeg': 'image/jpg',
'.jpg': 'image/jpg',
'.m1v': 'video/mpeg',
'.m2a': 'audio/mpeg',
'.m2v': 'video/mpeg',
'.m3a': 'audio/mpeg',
'.mid': 'audio/midi',
'.midi': 'audio/midi',
'.mk3d': 'video/x-matroska',
'.mks': 'video/x-matroska',
'.mkv': 'video/x-matroska',
'.mov': 'video/quicktime',
'.movie': 'video/x-sgi-movie',
'.mp2': 'audio/mpeg',
'.mp2a': 'audio/mpeg',
'.mp3': 'audio/mpeg',
'.mp4': 'video/mp4',
'.mp4a': 'audio/mp4',
'.mp4v': 'video/mp4',
'.mpe': 'video/mpeg',
'.mpeg': 'video/mpeg',
'.mpg': 'video/mpeg',
'.mpg4': 'video/mp4',
'.mpga': 'audio/mpeg',
'.oga': 'audio/ogg',
'.ogg': 'audio/ogg',
'.opus': 'audio/opus',
'.ogv': 'video/ogg',
'.png': 'image/png',
'.psd': 'image/vnd.adobe.photoshop',
'.qt': 'video/quicktime',
'.spx': 'audio/ogg',
'.svg': 'image/svg+xml',
'.tga': 'image/x-tga',
'.tif': 'image/tiff',
'.tiff': 'image/tiff',
'.wav': 'audio/x-wav',
'.webm': 'video/webm',
'.webp': 'image/webp',
'.wma': 'audio/x-ms-wma',
'.wmv': 'video/x-ms-wmv',
'.woff': 'application/font-woff',
};
export function getMediaOrTextMime(path) {
const ext = extname(path);
const textMime = mapExtToTextMimes[ext.toLowerCase()];
if (textMime !== undefined) {
return textMime;
} else {
return getMediaMime(path);
}
}
export function getMediaMime(path) {
const ext = extname(path);
return mapExtToMediaMimes[ext.toLowerCase()];
}
export function getExtensionForMimeType(mimeType) {
for (const extension in mapExtToMediaMimes) {
if (mapExtToMediaMimes[extension] === mimeType) {
return extension;
}
}
return undefined;
}
const _simplePattern = /^(.+)\/(.+?)(;.+)?$/;
export function normalizeMimeType(mimeType, strict) {
const match = _simplePattern.exec(mimeType);
if (!match) {
return strict ? undefined : mimeType;
}
// https://datatracker.ietf.org/doc/html/rfc2045#section-5.1
// media and subtype must ALWAYS be lowercase, parameter not
return `${match[1].toLowerCase()}/${match[2].toLowerCase()}${match[3] ?? ''}`;
}