add hw2

node_modules/@swc/helpers/esm/_async_iterator.js

@@ -0,0 +1,44 @@
+function _async_iterator(iterable) {
+    var method, async, sync, retry = 2;
+    for ("undefined" != typeof Symbol && (async = Symbol.asyncIterator, sync = Symbol.iterator); retry--;) {
+        if (async && null != (method = iterable[async])) return method.call(iterable);
+        if (sync && null != (method = iterable[sync])) return new AsyncFromSyncIterator(method.call(iterable));
+        async = "@@asyncIterator", sync = "@@iterator";
+    }
+    throw new TypeError("Object is not async iterable");
+}
+function AsyncFromSyncIterator(s) {
+    function AsyncFromSyncIteratorContinuation(r) {
+        if (Object(r) !== r) return Promise.reject(new TypeError(r + " is not an object."));
+
+        var done = r.done;
+
+        return Promise.resolve(r.value).then(function(value) {
+            return { value: value, done: done };
+        });
+    }
+
+    return AsyncFromSyncIterator = function(s) {
+        this.s = s, this.n = s.next;
+    },
+        AsyncFromSyncIterator.prototype = {
+            s: null,
+            n: null,
+
+            next: function() {
+                return AsyncFromSyncIteratorContinuation(this.n.apply(this.s, arguments));
+            },
+            return: function(value) {
+                var ret = this.s.return;
+
+                return void 0 === ret ? Promise.resolve({ value: value, done: !0 }) : AsyncFromSyncIteratorContinuation(ret.apply(this.s, arguments));
+            },
+            throw: function(value) {
+                var thr = this.s.return;
+
+                return void 0 === thr ? Promise.reject(value) : AsyncFromSyncIteratorContinuation(thr.apply(this.s, arguments));
+            }
+        },
+        new AsyncFromSyncIterator(s);
+}
+export { _async_iterator as _ };