| | |
| | | '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 !!~toString(requireObjectCoercible(this)) |
| | | .indexOf(toString(notARegExp(searchString)), arguments.length > 1 ? arguments[1] : undefined); |
| | | return !!~stringIndexOf( |
| | | toString(requireObjectCoercible(this)), |
| | | toString(notARegExp(searchString)), |
| | | arguments.length > 1 ? arguments[1] : undefined |
| | | ); |
| | | } |
| | | }); |