Function populate

lib/util/mimeTypes.js:108–127

(extensions, types)

 * @param {Record<string, string>} types types
 */
const populate = (extensions, types) => {
	for (const type of Object.keys(db)) {
		const mime = db[type];
		const foundExtensions = mime.extensions;

		if (!foundExtensions || foundExtensions.length === 0) {
			continue;
		}

		// mime -> extensions
		extensions[type] = foundExtensions;

		// extension -> mime
		for (let i = 0; i < foundExtensions.length; i++) {
			const extension = foundExtensions[i];

			types[extension] = preferredType(extension, types[extension], type);
		}
	}
};

populate(extensions, types);