'use strict'; const imageMimeTypes = new Set([ 'image/jpeg', 'image/pjpeg', 'image/png', 'image/bmp', ]); const animatedImageMimeTypes = new Set([ 'image/gif', 'image/webp', 'image/apng', ]); const videoMimeTypes = new Set([ 'video/quicktime', 'video/mp4', 'video/webm', ]); module.exports = (mimetype, options) => { return (options.video && videoMimeTypes.has(mimetype)) || (options.image && imageMimeTypes.has(mimetype)) || (options.animatedImage && animatedImageMimeTypes.has(mimetype)); };