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var global = require('../internals/global');
var DESCRIPTORS = require('../internals/descriptors');
var defineBuiltInAccessor = require('../internals/define-built-in-accessor');
var regExpFlags = require('../internals/regexp-flags');
var fails = require('../internals/fails');
// babel-minify and Closure Compiler transpiles RegExp('.', 'd') -> /./d and it causes SyntaxError
var RegExp = global.RegExp;
var RegExpPrototype = RegExp.prototype;
var FORCED = DESCRIPTORS && fails(function () {
var INDICES_SUPPORT = true;
try {
RegExp('.', 'd');
} catch (error) {
INDICES_SUPPORT = false;
}
var O = {};
// modern V8 bug
var calls = '';
var expected = INDICES_SUPPORT ? 'dgimsy' : 'gimsy';
var addGetter = function (key, chr) {
// eslint-disable-next-line es-x/no-object-defineproperty -- safe
Object.defineProperty(O, key, { get: function () {
calls += chr;
return true;
} });
};
var pairs = {
dotAll: 's',
global: 'g',
ignoreCase: 'i',
multiline: 'm',
sticky: 'y'
};
if (INDICES_SUPPORT) pairs.hasIndices = 'd';
for (var key in pairs) addGetter(key, pairs[key]);
// eslint-disable-next-line es-x/no-object-getownpropertydescriptor -- safe
var result = Object.getOwnPropertyDescriptor(RegExpPrototype, 'flags').get.call(O);
return result !== expected || calls !== expected;
});
// `RegExp.prototype.flags` getter
// https://tc39.es/ecma262/#sec-get-regexp.prototype.flags
if (FORCED) defineBuiltInAccessor(RegExpPrototype, 'flags', {
configurable: true,
get: regExpFlags
});