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| | | /** |
| | | * Cesium - https://github.com/CesiumGS/cesium |
| | | * |
| | | * Copyright 2011-2020 Cesium Contributors |
| | | * |
| | | * 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. |
| | | * |
| | | * Columbus View (Pat. Pend.) |
| | | * |
| | | * Portions licensed separately. |
| | | * See https://github.com/CesiumGS/cesium/blob/master/LICENSE.md for full licensing details. |
| | | */ |
| | | define(['exports', './when-8d13db60', './Check-70bec281'], function (exports, when, Check) { 'use strict'; |
| | | |
| | | /** |
| | | * Fill an array or a portion of an array with a given value. |
| | | * |
| | | * @param {Array} array The array to fill. |
| | | * @param {*} value The value to fill the array with. |
| | | * @param {Number} [start=0] The index to start filling at. |
| | | * @param {Number} [end=array.length] The index to end stop at. |
| | | * |
| | | * @returns {Array} The resulting array. |
| | | * @private |
| | | */ |
| | | function arrayFill(array, value, start, end) { |
| | | //>>includeStart('debug', pragmas.debug); |
| | | Check.Check.defined('array', array); |
| | | Check.Check.defined('value', value); |
| | | if (when.defined(start)) { |
| | | Check.Check.typeOf.number('start', start); |
| | | } |
| | | if (when.defined(end)) { |
| | | Check.Check.typeOf.number('end', end); |
| | | } |
| | | //>>includeEnd('debug'); |
| | | |
| | | if (typeof array.fill === 'function') { |
| | | return array.fill(value, start, end); |
| | | } |
| | | |
| | | var length = array.length >>> 0; |
| | | var relativeStart = when.defaultValue(start, 0); |
| | | // If negative, find wrap around position |
| | | var k = (relativeStart < 0) ? Math.max(length + relativeStart, 0) : Math.min(relativeStart, length); |
| | | var relativeEnd = when.defaultValue(end, length); |
| | | // If negative, find wrap around position |
| | | var last = (relativeEnd < 0) ? Math.max(length + relativeEnd, 0) : Math.min(relativeEnd, length); |
| | | |
| | | // Fill array accordingly |
| | | while (k < last) { |
| | | array[k] = value; |
| | | k++; |
| | | } |
| | | return array; |
| | | } |
| | | |
| | | exports.arrayFill = arrayFill; |
| | | |
| | | }); |