1 files changed, 73 insertions, 0 deletions
diff --git a/cli/js/stat.ts b/cli/js/stat.ts
new file mode 100644
index 000000000..1f53e6f7b
--- /dev/null
+++ b/cli/js/stat.ts
@@ -0,0 +1,73 @@
+// 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";
+
+export interface StatResponse {
+  isFile: boolean;
+  isSymlink: boolean;
+  len: number;
+  modified: number;
+  accessed: number;
+  created: number;
+  mode: number;
+  hasMode: boolean; // false on windows
+  name: string | null;
+}
+
+/** Queries the file system for information on the path provided. If the given
+ * path is a symlink information about the symlink will be returned.
+ *
+ *       const fileInfo = await Deno.lstat("hello.txt");
+ *       assert(fileInfo.isFile());
+ */
+export async function lstat(filename: string): Promise<FileInfo> {
+  const res = (await sendAsync(dispatch.OP_STAT, {
+    filename,
+    lstat: true
+  })) as StatResponse;
+  return new FileInfoImpl(res);
+}
+
+/** Queries the file system for information on the path provided synchronously.
+ * If the given path is a symlink information about the symlink will be
+ * returned.
+ *
+ *       const fileInfo = Deno.lstatSync("hello.txt");
+ *       assert(fileInfo.isFile());
+ */
+export function lstatSync(filename: string): FileInfo {
+  const res = sendSync(dispatch.OP_STAT, {
+    filename,
+    lstat: true
+  }) as StatResponse;
+  return new FileInfoImpl(res);
+}
+
+/** Queries the file system for information on the path provided. `stat` Will
+ * always follow symlinks.
+ *
+ *       const fileInfo = await Deno.stat("hello.txt");
+ *       assert(fileInfo.isFile());
+ */
+export async function stat(filename: string): Promise<FileInfo> {
+  const res = (await sendAsync(dispatch.OP_STAT, {
+    filename,
+    lstat: false
+  })) as StatResponse;
+  return new FileInfoImpl(res);
+}
+
+/** Queries the file system for information on the path provided synchronously.
+ * `statSync` Will always follow symlinks.
+ *
+ *       const fileInfo = Deno.statSync("hello.txt");
+ *       assert(fileInfo.isFile());
+ */
+export function statSync(filename: string): FileInfo {
+  const res = sendSync(dispatch.OP_STAT, {
+    filename,
+    lstat: false
+  }) as StatResponse;
+  return new FileInfoImpl(res);
+}