mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-14 15:56:38 +03:00
Joey Parrish
3a552b808f
These keys cannot always be used as keys, for example on IE11 where very large init datas are found in PlayReady content. Since there should not be a large number of unique init datas, a linear suppression pass and a quadratic removeDuplicates should not be a problem in practice. Related to pull #176 Change-Id: I9dd9b5e45422544c86dd95686766625a0b336963
51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
/**
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* @license
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* Copyright 2015 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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goog.provide('shaka.util.ArrayUtils');
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/**
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* @namespace shaka.util.ArrayUtils
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* @summary Array utility functions.
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*/
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/**
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* Remove duplicate entries from an array. Order N^2, so use with caution.
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* @param {!Array.<T>} array
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* @param {function(T, T): boolean=} opt_compareFn An optional function which
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* will be used to compare items in the array.
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* @return {!Array.<T>}
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* @template T
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*/
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shaka.util.ArrayUtils.removeDuplicates = function(array, opt_compareFn) {
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var result = [];
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for (var i = 0; i < array.length; ++i) {
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var matchFound = false;
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for (var j = 0; j < result.length; ++j) {
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matchFound = opt_compareFn ? opt_compareFn(array[i], result[j]) :
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array[i] === result[j];
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if (matchFound) break;
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}
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if (!matchFound) {
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result.push(array[i]);
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}
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}
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return result;
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};
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