artesanias/node_modules/localforage/bower_components/modernizr/feature-detects/file-api.js

/**
 * file tests for the File API specification
 *   Tests for objects specific to the File API W3C specification without
 *   being redundant (don't bother testing for Blob since it is assumed
 *   to be the File object's prototype.
 *
 *   Will fail in Safari 5 due to its lack of support for the standards
 *   defined FileReader object
 */
Modernizr.addTest('filereader', function () {
    return !!(window.File && window.FileList && window.FileReader);
});