Rewriting Project

1 files changed, 61 insertions, 0 deletions

diff --git a/node_modules/core-js/internals/async-iterator-create-proxy.js b/node_modules/core-js/internals/async-iterator-create-proxy.js
new file mode 100644
index 0000000..9e8c5df
--- /dev/null
+++ b/node_modules/core-js/internals/async-iterator-create-proxy.js
@@ -0,0 +1,61 @@
+'use strict';
+var path = require('../internals/path');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var create = require('../internals/object-create');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var redefineAll = require('../internals/redefine-all');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+var InternalStateModule = require('../internals/internal-state');
+var getBuiltIn = require('../internals/get-built-in');
+
+var Promise = getBuiltIn('Promise');
+
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.get;
+
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+
+var $return = function (value) {
+  var iterator = getInternalState(this).iterator;
+  var $$return = iterator['return'];
+  return $$return === undefined
+    ? Promise.resolve({ done: true, value: value })
+    : anObject($$return.call(iterator, value));
+};
+
+var $throw = function (value) {
+  var iterator = getInternalState(this).iterator;
+  var $$throw = iterator['throw'];
+  return $$throw === undefined
+    ? Promise.reject(value)
+    : $$throw.call(iterator, value);
+};
+
+module.exports = function (nextHandler, IS_ITERATOR) {
+  var AsyncIteratorProxy = function AsyncIterator(state) {
+    state.next = aFunction(state.iterator.next);
+    state.done = false;
+    setInternalState(this, state);
+  };
+
+  AsyncIteratorProxy.prototype = redefineAll(create(path.AsyncIterator.prototype), {
+    next: function next(arg) {
+      var state = getInternalState(this);
+      if (state.done) return Promise.resolve({ done: true, value: undefined });
+      try {
+        return Promise.resolve(anObject(nextHandler.call(state, arg, Promise)));
+      } catch (error) {
+        return Promise.reject(error);
+      }
+    },
+    'return': $return,
+    'throw': $throw
+  });
+
+  if (!IS_ITERATOR) {
+    createNonEnumerableProperty(AsyncIteratorProxy.prototype, TO_STRING_TAG, 'Generator');
+  }
+
+  return AsyncIteratorProxy;
+};