chromium/src/third_party/blink/perf_tests/speedometer/resources/todomvc/labs/architecture-examples/react/js/utils.jsx

(function (window) {
    'use strict';

    window.Utils = {
        uuid: function () {
            /*jshint bitwise:false */
            var i, random;
            var uuid = '';

            for (i = 0; i < 32; i++) {
                random = Math.random() * 16 | 0;
                if (i === 8 || i === 12 || i === 16 || i === 20) {
                    uuid += '-';
                }
                uuid += (i === 12 ? 4 : (i === 16 ? (random & 3 | 8) : random))
                    .toString(16);
            }

            return uuid;
        },

        pluralize: function (count, word) {
            return count === 1 ? word : word + 's';
        },

        store: function (namespace, data) {
            if (data) {
                return localStorage.setItem(namespace, JSON.stringify(data));
            }

            var store = localStorage.getItem(namespace);
            return (store && JSON.parse(store)) || [];
        },

        stringifyObjKeys: function (obj) {
            var s = '';
            var key;

            for (key in obj) {
                if (obj.hasOwnProperty(key) && obj[key]) {
                    s += key + ' ';
                }
            }

            return s.trim();
        }
    };

})(window);