Rewriting Project

1 files changed, 30 insertions, 0 deletions

diff --git a/node_modules/core-js/modules/esnext.async-iterator.map.js b/node_modules/core-js/modules/esnext.async-iterator.map.js
new file mode 100644
index 0000000..a5c2a8a
--- /dev/null
+++ b/node_modules/core-js/modules/esnext.async-iterator.map.js
@@ -0,0 +1,30 @@
+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+var createAsyncIteratorProxy = require('../internals/async-iterator-create-proxy');
+
+var AsyncIteratorProxy = createAsyncIteratorProxy(function (arg, Promise) {
+  var state = this;
+  var mapper = state.mapper;
+
+  return Promise.resolve(anObject(state.next.call(state.iterator, arg))).then(function (step) {
+    if (anObject(step).done) {
+      state.done = true;
+      return { done: true, value: undefined };
+    }
+    return Promise.resolve(mapper(step.value)).then(function (value) {
+      return { done: false, value: value };
+    });
+  });
+});
+
+$({ target: 'AsyncIterator', proto: true, real: true }, {
+  map: function map(mapper) {
+    return new AsyncIteratorProxy({
+      iterator: anObject(this),
+      mapper: aFunction(mapper)
+    });
+  }
+});