1 files changed, 69 insertions, 0 deletions
diff --git a/ext/node/polyfills/_fs/_fs_chmod.ts b/ext/node/polyfills/_fs/_fs_chmod.ts
new file mode 100644
index 000000000..3a19e5622
--- /dev/null
+++ b/ext/node/polyfills/_fs/_fs_chmod.ts
@@ -0,0 +1,69 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+import type { CallbackWithError } from "internal:deno_node/polyfills/_fs/_fs_common.ts";
+import { getValidatedPath } from "internal:deno_node/polyfills/internal/fs/utils.mjs";
+import * as pathModule from "internal:deno_node/polyfills/path.ts";
+import { parseFileMode } from "internal:deno_node/polyfills/internal/validators.mjs";
+import { Buffer } from "internal:deno_node/polyfills/buffer.ts";
+import { promisify } from "internal:deno_node/polyfills/internal/util.mjs";
+
+export function chmod(
+  path: string | Buffer | URL,
+  mode: string | number,
+  callback: CallbackWithError,
+) {
+  path = getValidatedPath(path).toString();
+
+  try {
+    mode = parseFileMode(mode, "mode");
+  } catch (error) {
+    // TODO(PolarETech): Errors should not be ignored when Deno.chmod is supported on Windows.
+    // https://github.com/denoland/deno_std/issues/2916
+    if (Deno.build.os === "windows") {
+      mode = 0; // set dummy value to avoid type checking error at Deno.chmod
+    } else {
+      throw error;
+    }
+  }
+
+  Deno.chmod(pathModule.toNamespacedPath(path), mode).catch((error) => {
+    // Ignore NotSupportedError that occurs on windows
+    // https://github.com/denoland/deno_std/issues/2995
+    if (!(error instanceof Deno.errors.NotSupported)) {
+      throw error;
+    }
+  }).then(
+    () => callback(null),
+    callback,
+  );
+}
+
+export const chmodPromise = promisify(chmod) as (
+  path: string | Buffer | URL,
+  mode: string | number,
+) => Promise<void>;
+
+export function chmodSync(path: string | URL, mode: string | number) {
+  path = getValidatedPath(path).toString();
+
+  try {
+    mode = parseFileMode(mode, "mode");
+  } catch (error) {
+    // TODO(PolarETech): Errors should not be ignored when Deno.chmodSync is supported on Windows.
+    // https://github.com/denoland/deno_std/issues/2916
+    if (Deno.build.os === "windows") {
+      mode = 0; // set dummy value to avoid type checking error at Deno.chmodSync
+    } else {
+      throw error;
+    }
+  }
+
+  try {
+    Deno.chmodSync(pathModule.toNamespacedPath(path), mode);
+  } catch (error) {
+    // Ignore NotSupportedError that occurs on windows
+    // https://github.com/denoland/deno_std/issues/2995
+    if (!(error instanceof Deno.errors.NotSupported)) {
+      throw error;
+    }
+  }
+}