| 'use strict'; |
| var $ = require('../internals/export'); |
| var notARegExp = require('../internals/not-a-regexp'); |
| var requireObjectCoercible = require('../internals/require-object-coercible'); |
| var correctIsRegExpLogic = require('../internals/correct-is-regexp-logic'); |
| |
| // `String.prototype.includes` method |
| // https://tc39.github.io/ecma262/#sec-string.prototype.includes |
| $({ target: 'String', proto: true, forced: !correctIsRegExpLogic('includes') }, { |
| includes: function includes(searchString /* , position = 0 */) { |
| return !!~String(requireObjectCoercible(this)) |
| .indexOf(notARegExp(searchString), arguments.length > 1 ? arguments[1] : undefined); |
| } |
| }); |