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