mirror of
https://github.com/musix-org/musix-oss
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31 lines
863 B
JavaScript
31 lines
863 B
JavaScript
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'use strict';
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// TODO: Remove from `core-js@4` since it's moved to entry points
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require('../modules/es.regexp.exec');
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var $ = require('../internals/export');
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var isObject = require('../internals/is-object');
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var DELEGATES_TO_EXEC = function () {
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var execCalled = false;
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var re = /[ac]/;
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re.exec = function () {
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execCalled = true;
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return /./.exec.apply(this, arguments);
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};
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return re.test('abc') === true && execCalled;
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}();
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var nativeTest = /./.test;
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$({ target: 'RegExp', proto: true, forced: !DELEGATES_TO_EXEC }, {
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test: function (str) {
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if (typeof this.exec !== 'function') {
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return nativeTest.call(this, str);
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}
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var result = this.exec(str);
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if (result !== null && !isObject(result)) {
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throw new Error('RegExp exec method returned something other than an Object or null');
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}
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return !!result;
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}
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});
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