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- '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;
- };
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