dpaw-brocket-relay/lib/utility.js

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'use strict';

/**
 * @fileOverview
 * @name utility.js<relay>
 * @author Gavin Coombes
 * @license BSD-3-Clause
 *
 * Local util script just inlines functions from dpaw-brocket-utility and lodash
 */

/**
 * Relay utility
 * @module relay/utility
 */

/**
 * Represents the utility object
 * @class
 */
var utility = function utility() {};

var log = Function.prototype.bind.call(console.log, console);

utility.prop = prop;
/** Check for an object  (from lodash) */
utility.isObject = require('lodash/lang/isObject');

/** Check for a string */
utility.isString = require('lodash/lang/isString');

/**
 * Check an object has a property. [lodash]
 * @param {object} - the object
 * @param {string} - the property
 * @returns {boolean}
 */
utility.has = require('lodash/object/has');
utility.defaults = require('lodash/object/defaults');

/**
 * Return a getter-setter function
 * @param {*} prev - The previous value.
 * @returns {*} - The current value.
 */
function prop(prev) {
  // Return a function a getter-setter [see mithril.js]
  var _prop = function _prop(val) {
    if (arguments.length) {
      prev = val;
    }
    return prev;
  };
  _prop.toJSON = function () {
    return prev;
  };
  return _prop;
};

/**
 * Generate a random string.
 * @returns {string} Six random characters
 */
function s6() {
  return Math.floor((1 + Math.random()) * 0x1000000).toString(16).substring(1);
};

function now() {
  return new Date().toISOString();
}

module.exports = {
  /** Make a getter-setter */
  prop: prop,

  /** Log to console */
  log: log,

  /** Make a cool string */
  _s6: s6,
  has: require('lodash/object/has'),
  defaults: require('lodash/object/defaults'),
  isObject: require('lodash/lang/isObject'),
  isString: require('lodash/lang/isString'),
  now: now
};