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-rw-r--r--node_modules/core-js/internals/is-array-iterator-method.js10
1 files changed, 10 insertions, 0 deletions
diff --git a/node_modules/core-js/internals/is-array-iterator-method.js b/node_modules/core-js/internals/is-array-iterator-method.js
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+++ b/node_modules/core-js/internals/is-array-iterator-method.js
@@ -0,0 +1,10 @@
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var Iterators = require('../internals/iterators');
+
+var ITERATOR = wellKnownSymbol('iterator');
+var ArrayPrototype = Array.prototype;
+
+// check on default Array iterator
+module.exports = function (it) {
+ return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);
+};