vue hello world项目
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3 years ago
'use strict';
// TODO: Remove from `core-js@4` since it's moved to entry points
require('../modules/es.regexp.exec');
var $ = require('../internals/export');
var global = require('../internals/global');
var call = require('../internals/function-call');
var uncurryThis = require('../internals/function-uncurry-this');
var isCallable = require('../internals/is-callable');
var isObject = require('../internals/is-object');
var DELEGATES_TO_EXEC = function () {
var execCalled = false;
var re = /[ac]/;
re.exec = function () {
execCalled = true;
return /./.exec.apply(this, arguments);
};
return re.test('abc') === true && execCalled;
}();
var Error = global.Error;
var un$Test = uncurryThis(/./.test);
// `RegExp.prototype.test` method
// https://tc39.es/ecma262/#sec-regexp.prototype.test
$({ target: 'RegExp', proto: true, forced: !DELEGATES_TO_EXEC }, {
test: function (str) {
var exec = this.exec;
if (!isCallable(exec)) return un$Test(this, str);
var result = call(exec, this, str);
if (result !== null && !isObject(result)) {
throw new Error('RegExp exec method returned something other than an Object or null');
}
return !!result;
}
});