Rewriting Project

1 files changed, 22 insertions, 0 deletions

diff --git a/node_modules/core-js/modules/es.array.index-of.js b/node_modules/core-js/modules/es.array.index-of.js
new file mode 100644
index 0000000..5a1442b
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.index-of.js
@@ -0,0 +1,22 @@
+'use strict';
+var $ = require('../internals/export');
+var $indexOf = require('../internals/array-includes').indexOf;
+var arrayMethodIsStrict = require('../internals/array-method-is-strict');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var nativeIndexOf = [].indexOf;
+
+var NEGATIVE_ZERO = !!nativeIndexOf && 1 / [1].indexOf(1, -0) < 0;
+var STRICT_METHOD = arrayMethodIsStrict('indexOf');
+var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });
+
+// `Array.prototype.indexOf` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.indexof
+$({ target: 'Array', proto: true, forced: NEGATIVE_ZERO || !STRICT_METHOD || !USES_TO_LENGTH }, {
+  indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
+    return NEGATIVE_ZERO
+      // convert -0 to +0
+      ? nativeIndexOf.apply(this, arguments) || 0
+      : $indexOf(this, searchElement, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});