Merge deno_cli_snapshots into deno_cli (#3064)

cli/js/read_dir.ts

@@ -0,0 +1,34 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import { sendSync, sendAsync } from "./dispatch_json.ts";
+import * as dispatch from "./dispatch.ts";
+import { FileInfo, FileInfoImpl } from "./file_info.ts";
+import { StatResponse } from "./stat.ts";
+
+interface ReadDirResponse {
+  entries: StatResponse[];
+}
+
+function res(response: ReadDirResponse): FileInfo[] {
+  return response.entries.map(
+    (statRes: StatResponse): FileInfo => {
+      return new FileInfoImpl(statRes);
+    }
+  );
+}
+
+/** Reads the directory given by path and returns a list of file info
+ * synchronously.
+ *
+ *       const files = Deno.readDirSync("/");
+ */
+export function readDirSync(path: string): FileInfo[] {
+  return res(sendSync(dispatch.OP_READ_DIR, { path }));
+}
+
+/** Reads the directory given by path and returns a list of file info.
+ *
+ *       const files = await Deno.readDir("/");
+ */
+export async function readDir(path: string): Promise<FileInfo[]> {
+  return res(await sendAsync(dispatch.OP_READ_DIR, { path }));
+}