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node_modules/core-js/internals/is-iterable.js

@@ -0,0 +1,17 @@
+'use strict';
+var classof = require('../internals/classof');
+var hasOwn = require('../internals/has-own-property');
+var isNullOrUndefined = require('../internals/is-null-or-undefined');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var Iterators = require('../internals/iterators');
+
+var ITERATOR = wellKnownSymbol('iterator');
+var $Object = Object;
+
+module.exports = function (it) {
+  if (isNullOrUndefined(it)) return false;
+  var O = $Object(it);
+  return O[ITERATOR] !== undefined
+    || '@@iterator' in O
+    || hasOwn(Iterators, classof(O));
+};