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node_modules/regexp.prototype.flags/polyfill.js
| 20 lines
| 650 B
| application/javascript
| JavascriptLexer
|
r789 | 'use strict'; | |||
var implementation = require('./implementation'); | ||||
var supportsDescriptors = require('define-properties').supportsDescriptors; | ||||
var $gOPD = Object.getOwnPropertyDescriptor; | ||||
var $TypeError = TypeError; | ||||
module.exports = function getPolyfill() { | ||||
if (!supportsDescriptors) { | ||||
throw new $TypeError('RegExp.prototype.flags requires a true ES5 environment that supports property descriptors'); | ||||
} | ||||
if ((/a/mig).flags === 'gim') { | ||||
var descriptor = $gOPD(RegExp.prototype, 'flags'); | ||||
if (descriptor && typeof descriptor.get === 'function' && typeof (/a/).dotAll === 'boolean') { | ||||
return descriptor.get; | ||||
} | ||||
} | ||||
return implementation; | ||||
}; | ||||