ambari-web/test/init_test.js

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

//
/**
 * Function.prototype.bind is not available in PhantomJS
 * Polyfill used instead: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind
 */
if (!Function.prototype.bind) {
  Function.prototype.bind = function(oThis) {
    if (typeof this !== 'function') {
      // closest thing possible to the ECMAScript 5
      // internal IsCallable function
      throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
    }

    var aArgs = Array.prototype.slice.call(arguments, 1),
      fToBind = this,
      fNOP = function() {},
      fBound = function() {
        return fToBind.apply(this instanceof fNOP
            ? this
            : oThis,
          aArgs.concat(Array.prototype.slice.call(arguments)));
      };

    if (this.prototype) {
      // native functions don't have a prototype
      fNOP.prototype = this.prototype;
    }
    fBound.prototype = new fNOP();

    return fBound;
  };
}

if (!String.prototype.includes) {
  String.prototype.includes = function (search, start) {
    'use strict';
    var _start = start;
    if (typeof start !== 'number') {
      _start = 0;
    }

    if (_start + search.length > this.length) {
      return false;
    }
    return this.indexOf(search, _start) !== -1;
  };
}

if (!Array.prototype.includes) {
  Object.defineProperty(Array.prototype, 'includes', {
    value: function (searchElement, fromIndex) {

      if (!this) {
        throw new TypeError('"this" is null or not defined');
      }

      var o = Object(this);
      var len = o.length >>> 0;
      if (len === 0) {
        return false;
      }
      var n = fromIndex | 0;
      var k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);

      while (k < len) {
        if (o[k] === searchElement) {
          return true;
        }
        k++;
      }
      return false;
    }
  });
}

/* eslint-disable */
if (typeof Object.assign != 'function') {
  Object.assign = function(target, varArgs) { // .length of function is 2
    'use strict';
    if (target == null) { // TypeError if undefined or null
      throw new TypeError('Cannot convert undefined or null to object');
    }

    var to = Object(target);

    for (var index = 1; index < arguments.length; index++) {
      var nextSource = arguments[index];

      if (nextSource != null) { // Skip over if undefined or null
        for (var nextKey in nextSource) {
          // Avoid bugs when hasOwnProperty is shadowed
          if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
            to[nextKey] = nextSource[nextKey];
          }
        }
      }
    }
    return to;
  };
}
/* eslint-enable */

Number.isFinite = Number.isFinite || function(value) {
  return typeof value === 'number' && isFinite(value);
};

Object.values = Object.values || function (obj) {
  var values = [];
  for (var key in obj) {
    values.push(obj[key]);
  }
  return values;
};

if (!window.performance) {
  window.performance = {
    now: Em.K
  };
}