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node_modules/core-js/modules/es.string.includes.js

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+'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
+    );
+  }
+});