From 7451ffb04c0560cd60c29ac7084104f6829da880 Mon Sep 17 00:00:00 2001
From: Mark Molinaro <mamolin@microsoft.com>
Date: Sun, 14 Nov 2021 22:23:14 +0000
Subject: [PATCH] Make backwards compatible

---
 lib/WatchIgnorePlugin.js        | 2 +-
 lib/Watching.js                 | 2 +-
 lib/node/NodeWatchFileSystem.js | 4 ++--
 lib/util/fs.js                  | 2 +-
 types.d.ts                      | 5 +++--
 5 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/lib/WatchIgnorePlugin.js b/lib/WatchIgnorePlugin.js
index 75809f0feed..4ee0f9e52da 100644
--- a/lib/WatchIgnorePlugin.js
+++ b/lib/WatchIgnorePlugin.js
@@ -50,7 +50,7 @@ class IgnoringWatchFileSystem {
 			missing,
 			startTime,
 			options,
-			(err, fileTimestamps, changedFiles, removedFiles) => {
+			(err, fileTimestamps, _, changedFiles, removedFiles) => {
 				if (err) return callback(err);
 				for (const path of ignoredFiles) {
 					fileTimestamps.set(path, IGNORE_TIME_ENTRY);
diff --git a/lib/Watching.js b/lib/Watching.js
index 956d0f1ea1d..12a6547b7b6 100644
--- a/lib/Watching.js
+++ b/lib/Watching.js
@@ -310,7 +310,7 @@ class Watching {
 			missing,
 			this.lastWatcherStartTime,
 			this.watchOptions,
-			(err, fileTimeInfoEntries, changedFiles, removedFiles) => {
+			(err, fileTimeInfoEntries, _, changedFiles, removedFiles) => {
 				if (err) {
 					this.compiler.modifiedFiles = undefined;
 					this.compiler.removedFiles = undefined;
diff --git a/lib/node/NodeWatchFileSystem.js b/lib/node/NodeWatchFileSystem.js
index 1e537ef36ba..67ef918b8a3 100644
--- a/lib/node/NodeWatchFileSystem.js
+++ b/lib/node/NodeWatchFileSystem.js
@@ -28,7 +28,7 @@ class NodeWatchFileSystem {
 	 * @param {Iterable<string>} missing watched exitance entries
 	 * @param {number} startTime timestamp of start time
 	 * @param {WatchOptions} options options object
-	 * @param {function(Error=, Map<string, FileSystemInfoEntry>, Set<string>, Set<string>): void} callback aggregated callback
+	 * @param {function(Error=, Map<string, FileSystemInfoEntry>, Map<string, FileSystemInfoEntry>, Set<string>, Set<string>): void} callback aggregated callback
 	 * @param {function(string, number): void} callbackUndelayed callback when the first change was detected
 	 * @returns {Watcher} a watcher
 	 */
@@ -79,7 +79,7 @@ class NodeWatchFileSystem {
 				}
 			}
 			const times = this.watcher.getTimeInfoEntries();
-			callback(null, times, changes, removals);
+			callback(null, times, times, changes, removals);
 		});
 
 		this.watcher.watch({ files, directories, missing, startTime });
diff --git a/lib/util/fs.js b/lib/util/fs.js
index 5ae3a0d181c..0efca048fda 100644
--- a/lib/util/fs.js
+++ b/lib/util/fs.js
@@ -78,7 +78,7 @@ const path = require("path");
  * @param {Iterable<string>} missing watched exitance entries
  * @param {number} startTime timestamp of start time
  * @param {WatchOptions} options options object
- * @param {function(Error=, Map<string, FileSystemInfoEntry | "ignore">, Set<string>, Set<string>): void} callback aggregated callback
+ * @param {function(Error=, Map<string, FileSystemInfoEntry | "ignore">, Map<string, FileSystemInfoEntry | "ignore">, Set<string>, Set<string>): void} callback aggregated callback
  * @param {function(string, number): void} callbackUndelayed callback when the first change was detected
  * @returns {Watcher} a watcher
  */
diff --git a/types.d.ts b/types.d.ts
index bc183be1e7a..218e4727a36 100644
--- a/types.d.ts
+++ b/types.d.ts
@@ -11655,8 +11655,9 @@ declare interface WatchFileSystem {
 		callback: (
 			arg0: undefined | Error,
 			arg1: Map<string, FileSystemInfoEntry | "ignore">,
-			arg2: Set<string>,
-			arg3: Set<string>
+			arg2: Map<string, FileSystemInfoEntry | "ignore">,
+			arg3: Set<string>,
+			arg4: Set<string>
 		) => void,
 		callbackUndelayed: (arg0: string, arg1: number) => void
 	) => Watcher;