mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-14 15:56:38 +03:00
Joey Parrish
3bb8f06b7d
This will enforce messages on assertions, which should make console logs more useful. Change-Id: I2cff9e20f630d1d4d46192e2ee317b1942cc7188
73 lines
1.8 KiB
JavaScript
73 lines
1.8 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.asserts');
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/**
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* @namespace shaka.asserts
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* @summary An assertion framework which is compiled out for deployment.
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*/
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/**
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* @define {boolean} true to enable asserts, false otherwise.
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*/
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goog.define('shaka.asserts.ENABLE_ASSERTS', goog.DEBUG);
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/** @type {function(*, string)} */
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shaka.asserts.assert = function() {};
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/** @type {function()} */
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shaka.asserts.notImplemented = function() {};
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/** @type {function()} */
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shaka.asserts.unreachable = function() {};
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/** @private */
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shaka.asserts.patchAssert_ = function() {
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var assert = console.assert;
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if (!assert) {
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console.assert = function() {};
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} else if (!assert.bind) {
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// IE 9 does not provide a .bind for the built-in console functions.
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console.assert = function() {
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assert.apply(console, arguments);
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};
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}
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};
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// Install assert functions.
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if (shaka.asserts.ENABLE_ASSERTS) {
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shaka.asserts.patchAssert_();
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shaka.asserts.assert =
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console.assert.bind(console);
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shaka.asserts.notImplemented =
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console.assert.bind(console, 0 == 1, 'Not implemented.');
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shaka.asserts.unreachable =
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console.assert.bind(console, 0 == 1, 'Unreachable reached.');
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}
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