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Closure Compiler is a JavaScript optimizing compiler. It parses your
JavaScript, analyzes it, removes dead code and rewrites and minimizes
what's left. It also checks syntax, variable references, and types, and
warns about common JavaScript pitfalls. It is used in many of Google's
JavaScript apps, including Gmail, Google Web Search, Google Maps, and
Google Docs.
/*
* Copyright 2019 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
* @suppress {uselessCode}
*/
'require util/polyfill';
// Most browsers implemented trimRight around ES5-time-frame, but it wasn't
// officially part of the language specification until ES_2019, so we have
// to provide a polyfill for it.
// IE11 doesn't have it, of course...
$jscomp.polyfill('String.prototype.trimRight', function(orig) {
/**
* @this {string}
* @return {string}
*/
function polyfill() {
return this.replace(/[\s\xa0]+$/, '');
}
return orig || polyfill;
}, 'es_2019', 'es3');
$jscomp.polyfill('String.prototype.trimEnd', function(orig) {
return orig || String.prototype.trimRight;
}, 'es_2019', 'es3');