diff --git a/src/alias.ts b/src/alias.ts
index 4c8cc9a..d098a50 100644
--- a/src/alias.ts
+++ b/src/alias.ts
@@ -1,12 +1,13 @@
-const Module = require("module");
+const Module = require("node:module");
 const MODULE_MAP: Record<string, typeof Module._resolveFilename> = {};
 const RESOLVER_MAP: Record<string, typeof require.resolve> = {};
+
 export const addResolveAlias = (
 	name: string,
-	aliasMap: Record<string, string>
+	aliasMap: Record<string, string>,
 ) => {
 	const modulePath = require.resolve(name);
-	if (RESOLVER_MAP[modulePath]) {
+	if (modulePath in RESOLVER_MAP) {
 		throw new Error(`Should not add resolve alias to ${name} again.`);
 	}
 	const m = require.cache[modulePath];
@@ -14,33 +15,37 @@ export const addResolveAlias = (
 		throw new Error("Failed to resolve webpack-dev-server.");
 	}
 	RESOLVER_MAP[modulePath] = m.require.resolve;
+	// biome-ignore lint/suspicious/noExplicitAny: <explanation>
 	m.require.resolve = ((id: string, options?: any) =>
 		aliasMap[id] ||
-		RESOLVER_MAP[modulePath]!.apply(m.require, [
+		RESOLVER_MAP[modulePath].apply(m.require, [
 			id,
-			options
+			options,
 		])) as typeof require.resolve;
 	MODULE_MAP[modulePath] = Module._resolveFilename;
-	Module._resolveFilename = Module._resolveFilename = (request: string, mod: NodeModule, ...args: unknown[]) => {
-			if (mod.filename === modulePath && aliasMap[request]) {
-				return aliasMap[request];
-			}
-			return MODULE_MAP[modulePath](request, mod, ...args);
+	Module._resolveFilename = (
+		request: string,
+		mod: NodeModule,
+		...args: unknown[]
+	) => {
+		if (mod.filename === modulePath && aliasMap[request]) {
+			return aliasMap[request];
+		}
+		return MODULE_MAP[modulePath](request, mod, ...args);
 	};
 };
 
 export const removeResolveAlias = (name: string) => {
 	const modulePath = require.resolve(name);
-	if (!RESOLVER_MAP[modulePath]) {
+	if (!(modulePath in RESOLVER_MAP)) {
 		return;
 	}
 	const m = require.cache[modulePath];
 	if (!m) {
 		throw new Error("Failed to resolve webpack-dev-server");
 	}
-	if (RESOLVER_MAP[modulePath]) {
-		Module._resolveFilename = RESOLVER_MAP[modulePath]!;
-		m.require.resolve = RESOLVER_MAP[modulePath]!;
-		delete RESOLVER_MAP[modulePath];
-	}
+
+	Module._resolveFilename = MODULE_MAP[modulePath];
+	m.require.resolve = RESOLVER_MAP[modulePath];
+	delete RESOLVER_MAP[modulePath];
 };