com.google.javascript.jscomp.js.es6.util.arrayfromiterable.js Maven / Gradle / Ivy

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/*
 * Copyright 2016 The Closure Compiler Authors.
 *
 * Licensed 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.
 */

/**
 * @fileoverview Polyfill for array destructuring.
 */
'require es6/util/makeiterator';
'require es6/util/arrayfromiterator';


/**
 * Copies the values from an Iterable into an Array.
 * @param {string|!Array|!Iterable|!Arguments} iterable
 * @return {!Array}
 * @template T
 */
$jscomp.arrayFromIterable = function(iterable) {
  if (iterable instanceof Array) {
    return iterable;
  } else {
    return $jscomp.arrayFromIterator($jscomp.makeIterator(iterable));
  }
};