1 files changed, 37 insertions, 0 deletions
diff --git a/js/mkdir.ts b/js/mkdir.ts
new file mode 100644
index 000000000..8e76fc17e
--- /dev/null
+++ b/js/mkdir.ts
@@ -0,0 +1,37 @@
+// Copyright 2018 the Deno authors. All rights reserved. MIT license.
+import * as fbs from "gen/msg_generated";
+import { flatbuffers } from "flatbuffers";
+import * as dispatch from "./dispatch";
+
+/**
+ * Creates a new directory with the specified path and permission synchronously.
+ *
+ *     import { mkdirSync } from "deno";
+ *     mkdirSync("new_dir");
+ */
+export function mkdirSync(path: string, mode = 0o777): void {
+  dispatch.sendSync(...req(path, mode));
+}
+
+/**
+ * Creates a new directory with the specified path and permission.
+ *
+ *     import { mkdir } from "deno";
+ *     await mkdir("new_dir");
+ */
+export async function mkdir(path: string, mode = 0o777): Promise<void> {
+  await dispatch.sendAsync(...req(path, mode));
+}
+
+function req(
+  path: string,
+  mode: number
+): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+  const builder = new flatbuffers.Builder();
+  const path_ = builder.createString(path);
+  fbs.Mkdir.startMkdir(builder);
+  fbs.Mkdir.addPath(builder, path_);
+  fbs.Mkdir.addMode(builder, mode);
+  const msg = fbs.Mkdir.endMkdir(builder);
+  return [builder, fbs.Any.Mkdir, msg];
+}