Move everything into std subdir

1 files changed, 59 insertions, 0 deletions

diff --git a/std/fs/move.ts b/std/fs/move.ts
new file mode 100644
index 000000000..190f88609
--- /dev/null
+++ b/std/fs/move.ts
@@ -0,0 +1,59 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import { exists, existsSync } from "./exists.ts";
+import { isSubdir } from "./utils.ts";
+
+interface MoveOptions {
+  overwrite?: boolean;
+}
+
+/** Moves a file or directory */
+export async function move(
+  src: string,
+  dest: string,
+  options?: MoveOptions
+): Promise<void> {
+  const srcStat = await Deno.stat(src);
+
+  if (srcStat.isDirectory() && isSubdir(src, dest)) {
+    throw new Error(
+      `Cannot move '${src}' to a subdirectory of itself, '${dest}'.`
+    );
+  }
+
+  if (options && options.overwrite) {
+    await Deno.remove(dest, { recursive: true });
+    await Deno.rename(src, dest);
+  } else {
+    if (await exists(dest)) {
+      throw new Error("dest already exists.");
+    }
+    await Deno.rename(src, dest);
+  }
+
+  return;
+}
+
+/** Moves a file or directory */
+export function moveSync(
+  src: string,
+  dest: string,
+  options?: MoveOptions
+): void {
+  const srcStat = Deno.statSync(src);
+
+  if (srcStat.isDirectory() && isSubdir(src, dest)) {
+    throw new Error(
+      `Cannot move '${src}' to a subdirectory of itself, '${dest}'.`
+    );
+  }
+
+  if (options && options.overwrite) {
+    Deno.removeSync(dest, { recursive: true });
+    Deno.renameSync(src, dest);
+  } else {
+    if (existsSync(dest)) {
+      throw new Error("dest already exists.");
+    }
+    Deno.renameSync(src, dest);
+  }
+}