fix: remove links in clean plugin

lib/CleanPlugin.js

@@ -16,6 +16,7 @@ const processAsyncTree = require("./util/processAsyncTree");
 /** @typedef {import("./Compiler")} Compiler */
 /** @typedef {import("./logging/Logger").Logger} Logger */
 /** @typedef {import("./util/fs").OutputFileSystem} OutputFileSystem */
+/** @typedef {import("./util/fs").StatsCallback} StatsCallback */
 
 /** @typedef {(function(string):boolean)|RegExp} IgnoreItem */
 /** @typedef {function(IgnoreItem): void} AddToIgnoreCallback */
@@ -102,6 +103,20 @@ const getDiffToOldAssets = (currentAssets, oldAssets) => {
 	return diff;
 };
 
+/**
+ * @param {OutputFileSystem} fs filesystem
+ * @param {string} filename path to file
+ * @param {StatsCallback} callback callback for provided filename
+ * @returns {void}
+ */
+const doStat = (fs, filename, callback) => {
+	if ("lstat" in fs) {
+		fs.lstat(filename, callback);
+	} else {
+		fs.stat(filename, callback);
+	}
+};
+
 /**
  * @param {OutputFileSystem} fs filesystem
  * @param {string} outputPath output path
@@ -150,7 +165,7 @@ const applyDiff = (fs, outputPath, dry, logger, diff, isKept, callback) => {
 						log(`${filename} will be kept`);
 						return process.nextTick(callback);
 					}
-					fs.stat(path, (err, stats) => {
+					doStat(fs, path, (err, stats) => {
 						if (err) return handleError(err);
 						if (!stats.isDirectory()) {
 							push({

lib/util/fs.js

@@ -93,6 +93,7 @@ const path = require("path");
  * @property {function(string, Callback): void=} rmdir
  * @property {function(string, Callback): void=} unlink
  * @property {function(string, StatsCallback): void} stat
+ * @property {function(string, StatsCallback): void=} lstat
  * @property {function(string, BufferOrStringCallback): void} readFile
  * @property {(function(string, string): string)=} join
  * @property {(function(string, string): string)=} relative

types.d.ts

@@ -8348,6 +8348,10 @@ declare interface OutputFileSystem {
 		arg0: string,
 		arg1: (arg0?: null | NodeJS.ErrnoException, arg1?: IStats) => void
 	) => void;
+	lstat?: (
+		arg0: string,
+		arg1: (arg0?: null | NodeJS.ErrnoException, arg1?: IStats) => void
+	) => void;
 	readFile: (
 		arg0: string,
 		arg1: (arg0?: null | NodeJS.ErrnoException, arg1?: string | Buffer) => void