Last change
on this file since 6c1585f was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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1 | 'use strict';
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2 | var $ = require('../internals/export');
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3 | var notARegExp = require('../internals/not-a-regexp');
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4 | var requireObjectCoercible = require('../internals/require-object-coercible');
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5 | var toString = require('../internals/to-string');
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6 | var correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');
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7 |
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8 | // `String.prototype.includes` method
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9 | // https://tc39.es/ecma262/#sec-string.prototype.includes
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10 | $({ target: 'String', proto: true, forced: !correctIsRegExpLogic('includes') }, {
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11 | includes: function includes(searchString /* , position = 0 */) {
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12 | return !!~toString(requireObjectCoercible(this))
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13 | .indexOf(toString(notARegExp(searchString)), arguments.length > 1 ? arguments[1] : undefined);
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14 | }
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15 | });
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