dynatrace-cordova-outsystems-plugin/node_modules/lodash/invertBy.js

This plugin gives you the ability to use the Dynatrace instrumentation in your hybrid application (Cordova, Ionic, ..). It uses the Mobile Agent, the JavaScript Agent and the Javascript Bridge. The Mobile Agent will give you all device specific values con

var baseIteratee = require('./_baseIteratee'),
    createInverter = require('./_createInverter');

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/**
 * This method is like `_.invert` except that the inverted object is generated
 * from the results of running each element of `object` thru `iteratee`. The
 * corresponding inverted value of each inverted key is an array of keys
 * responsible for generating the inverted value. The iteratee is invoked
 * with one argument: (value).
 *
 * @static
 * @memberOf _
 * @since 4.1.0
 * @category Object
 * @param {Object} object The object to invert.
 * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
 * @returns {Object} Returns the new inverted object.
 * @example
 *
 * var object = { 'a': 1, 'b': 2, 'c': 1 };
 *
 * _.invertBy(object);
 * // => { '1': ['a', 'c'], '2': ['b'] }
 *
 * _.invertBy(object, function(value) {
 *   return 'group' + value;
 * });
 * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
 */
var invertBy = createInverter(function(result, value, key) {
  if (value != null &&
      typeof value.toString != 'function') {
    value = nativeObjectToString.call(value);
  }

  if (hasOwnProperty.call(result, value)) {
    result[value].push(key);
  } else {
    result[value] = [key];
  }
}, baseIteratee);

module.exports = invertBy;