refactor: consolidate ModuleError and ModuleWarning classes (#11935)

Author: chenjiahan

packages/rspack/src/loader-runner/ModuleError.ts

@@ -1,31 +1,45 @@
 import { cleanUp } from "../ErrorHelpers";
 import WebpackError from "../lib/WebpackError";
 
-export default class ModuleError extends WebpackError {
-	error?: Error;
+const createMessage = (
+	err: Error,
+	type: "Error" | "Warning",
+	from?: string
+) => {
+	let message = `Module ${type}${from ? ` (from ${from}):\n` : ": "}`;
 
-	constructor(err: Error, { from }: { from?: string } = {}) {
-		let message = "Module Error";
+	if (err && typeof err === "object" && err.message) {
+		message += err.message;
+	} else if (err) {
+		message += err;
+	}
 
-		if (from) {
-			message += ` (from ${from}):\n`;
-		} else {
-			message += ": ";
-		}
+	return message;
+};
 
-		if (err && typeof err === "object" && err.message) {
-			message += err.message;
-		} else if (err) {
-			message += err;
-		}
+const getErrorDetails = (err: Error) =>
+	err && typeof err === "object" && err.stack
+		? cleanUp(err.stack, err.name, err.message)
+		: undefined;
 
-		super(message);
+export class ModuleError extends WebpackError {
+	error?: Error;
 
+	constructor(err: Error, { from }: { from?: string } = {}) {
+		super(createMessage(err, "Error", from));
 		this.name = "ModuleError";
 		this.error = err;
-		this.details =
-			err && typeof err === "object" && err.stack
-				? cleanUp(err.stack, err.name, err.message)
-				: undefined;
+		this.details = getErrorDetails(err);
+	}
+}
+
+export class ModuleWarning extends WebpackError {
+	error?: Error;
+
+	constructor(err: Error, { from }: { from?: string } = {}) {
+		super(createMessage(err, "Warning", from));
+		this.name = "ModuleWarning";
+		this.error = err;
+		this.details = getErrorDetails(err);
 	}
 }

packages/rspack/src/loader-runner/ModuleWarning.ts

@@ -50,8 +50,7 @@ import {
 	parseResourceWithoutFragment
 } from "../util/identifier";
 import { memoize } from "../util/memoize";
-import ModuleError from "./ModuleError";
-import ModuleWarning from "./ModuleWarning";
+import { ModuleError, ModuleWarning } from "./ModuleError";
 import * as pool from "./service";
 import { type HandleIncomingRequest, RequestType } from "./service";
 import {