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31 lines
832 B
31 lines
832 B
3 years ago
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var fails = require('../internals/fails');
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var global = require('../internals/global');
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// babel-minify and Closure Compiler transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError
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var $RegExp = global.RegExp;
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var UNSUPPORTED_Y = fails(function () {
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var re = $RegExp('a', 'y');
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re.lastIndex = 2;
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return re.exec('abcd') != null;
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});
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// UC Browser bug
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// https://github.com/zloirock/core-js/issues/1008
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var MISSED_STICKY = UNSUPPORTED_Y || fails(function () {
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return !$RegExp('a', 'y').sticky;
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});
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var BROKEN_CARET = UNSUPPORTED_Y || fails(function () {
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// https://bugzilla.mozilla.org/show_bug.cgi?id=773687
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var re = $RegExp('^r', 'gy');
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re.lastIndex = 2;
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return re.exec('str') != null;
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});
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module.exports = {
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BROKEN_CARET: BROKEN_CARET,
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MISSED_STICKY: MISSED_STICKY,
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UNSUPPORTED_Y: UNSUPPORTED_Y
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};
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