From 972e66f3e0ce740205bb6b484a1dbc65540f40d1 Mon Sep 17 00:00:00 2001
From: Feng Yu <f3n67u@outlook.com>
Date: Fri, 31 May 2024 12:14:26 -0700
Subject: [PATCH 1/2] doc: add `err` param to fs.copyFile callback

---
 doc/api/fs.md | 1 +
 lib/fs.js     | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/api/fs.md b/doc/api/fs.md
index e89f934f281fee..44c38ccafceade 100644
--- a/doc/api/fs.md
+++ b/doc/api/fs.md
@@ -2388,6 +2388,7 @@ changes:
 * `dest` {string|Buffer|URL} destination filename of the copy operation
 * `mode` {integer} modifiers for copy operation. **Default:** `0`.
 * `callback` {Function}
+  * `err` {Error}
 
 Asynchronously copies `src` to `dest`. By default, `dest` is overwritten if it
 already exists. No arguments other than a possible exception are given to the
diff --git a/lib/fs.js b/lib/fs.js
index cc27b1c93a4850..b4b2a320e75f37 100644
--- a/lib/fs.js
+++ b/lib/fs.js
@@ -2984,7 +2984,7 @@ function mkdtempSync(prefix, options) {
  * @param {string | Buffer | URL} src
  * @param {string | Buffer | URL} dest
  * @param {number} [mode]
- * @param {() => any} callback
+ * @param {(err?: Error) => any} callback
  * @returns {void}
  */
 function copyFile(src, dest, mode, callback) {

From da77ab798ffd2420235fae5f8b63e376aec9292d Mon Sep 17 00:00:00 2001
From: Feng Yu <f3n67u@outlook.com>
Date: Fri, 31 May 2024 14:45:18 -0700
Subject: [PATCH 2/2] doc: add err param to fs.cp callback

---
 doc/api/fs.md | 1 +
 lib/fs.js     | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/api/fs.md b/doc/api/fs.md
index 44c38ccafceade..34742f629a1daf 100644
--- a/doc/api/fs.md
+++ b/doc/api/fs.md
@@ -2477,6 +2477,7 @@ changes:
   * `verbatimSymlinks` {boolean} When `true`, path resolution for symlinks will
     be skipped. **Default:** `false`
 * `callback` {Function}
+  * `err` {Error}
 
 Asynchronously copies the entire directory structure from `src` to `dest`,
 including subdirectories and files.
diff --git a/lib/fs.js b/lib/fs.js
index b4b2a320e75f37..f47dba6e43debb 100644
--- a/lib/fs.js
+++ b/lib/fs.js
@@ -3030,7 +3030,7 @@ function copyFileSync(src, dest, mode) {
  * @param {string | URL} src
  * @param {string | URL} dest
  * @param {object} [options]
- * @param {() => any} callback
+ * @param {(err?: Error) => any} callback
  * @returns {void}
  */
 function cp(src, dest, options, callback) {