chore: bench traverse modules

tests/bench/ts-react-hmr.bench.ts

@@ -0,0 +1,55 @@
+import { type Compiler, type Compilation, rspack } from "@rspack/core";
+import { beforeAll, bench, describe } from "vitest";
+import rspackConfig from "./fixtures/ts-react/rspack.config";
+
+let thisCompiler: Compiler;
+let theCompilation: Compilation;
+
+beforeAll(() => {
+	return new Promise((resolve, reject) => {
+		thisCompiler = rspack(
+			{
+				...rspackConfig,
+				mode: "production",
+				plugins: [
+					...(rspackConfig.plugins ?? []),
+					compiler => {
+						compiler.hooks.compilation.tap("PLUGIN", compilation => {
+							theCompilation = compilation;
+						});
+					}
+				]
+			}
+		);
+        thisCompiler.run((err, stats) => {
+            if (err) {
+                reject(err);
+            }
+            if (stats?.hasErrors()) {
+                reject(new Error(stats.toString({})));
+            }
+            resolve(undefined);
+        });
+        for (const module of theCompilation.modules) {}
+    });
+});
+
+beforeEach(() => {
+    return new Promise((resolve, reject) => {
+        thisCompiler.run((err, stats) => {
+            if (err) {
+                reject(err);
+            }
+            if (stats?.hasErrors()) {
+                reject(new Error(stats.toString({})));
+            }
+            resolve(undefined);
+        });
+    });
+});
+
+describe("TypeScript React project HMR", () => {
+	bench("traverse modules (HMR)", () => {
+		for (const module of theCompilation.modules) {}
+	});
+});

tests/bench/ts-react.bench.ts

@@ -4,7 +4,7 @@ import rspackConfig from "./fixtures/ts-react/rspack.config";
 
 let theCompilation: Compilation;
 
-beforeAll(() => {
+beforeEach(() => {
 	return new Promise((resolve, reject) =>
 		rspack(
 			{
@@ -85,4 +85,8 @@ describe("TypeScript React project", () => {
 			}
 		}
 	});
+
+	bench("traverse modules (Build)", () => {
+		for (const module of theCompilation.modules) {}
+	});
 });