all files / modules/utils/ getMimeType.js

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const MimeTypes = require("../MimeTypes");
const ExtTypes = {};
 
Object.keys(MimeTypes).forEach(function (type) {
    MimeTypes[type].forEach(function (ext) {
        ExtTypes[ext] = type;
    });
});
 
const DEFAULT_TYPE = "application/octet-stream";
const EXT_MATCHER = /\.(\w+)$/;
 
function getMimeType(file, defaultType) {
    const match = file.match(EXT_MATCHER);
    return match && ExtTypes[match[1]] || defaultType || DEFAULT_TYPE;
}
 
module.exports = getMimeType;