/**
* @license
* Copyright 2016 Google Inc.
*
* 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.
*/
goog.provide('goog.asserts');
/**
* @namespace goog.asserts
* @summary An assertion framework which is compiled out for deployment.
* NOTE: this is not the closure library version. This uses the same name so
* the closure compiler will be able to use the conditions to assist type
* checking.
*/
/**
* @define {boolean} true to enable asserts, false otherwise.
*/
goog.asserts.ENABLE_ASSERTS = goog.DEBUG;
/** @type {function(*, string)} */
goog.asserts.assert = function() {};
/** @private */
goog.asserts.patchAssert_ = function() {
let assert = console.assert;
if (!assert) {
console.assert = function() {};
} else if (!assert.bind) {
// IE 9 does not provide a .bind for the built-in console functions.
console.assert = function() {
assert.apply(console, arguments);
};
}
};
// Install assert functions.
if (goog.asserts.ENABLE_ASSERTS) {
goog.asserts.patchAssert_();
goog.asserts.assert = console.assert.bind(console);
}