fix(rspack): remove virtual plugin cleanup signal handlers (#541)

* fix(rspack): remove virtual plugin cleanup signal handlers * chore: make cleanup listener register lazily

Author: elbywan

src/rspack/utils.ts

@@ -18,19 +18,19 @@ export function isVirtualModuleId(encoded: string, plugin: ResolvedUnpluginOptio
 export class FakeVirtualModulesPlugin {
  name = 'FakeVirtualModulesPlugin'
  static counters: Map<string, number> = new Map<string, number>()
+ static initCleanup: boolean = false
 
- static {
- ['SIGINT', 'SIGTERM', 'SIGQUIT', 'exit'].forEach((event) => {
- process.once(event, () => {
- this.counters.forEach((_, dir) => {
+ constructor(private plugin: ResolvedUnpluginOptions) {
+ if (!FakeVirtualModulesPlugin.initCleanup) {
+ FakeVirtualModulesPlugin.initCleanup = true
+ process.once('exit', () => {
+ FakeVirtualModulesPlugin.counters.forEach((_, dir) => {
  fs.rmSync(dir, { recursive: true, force: true })
  })
  })
- })
+ }
  }
 
- constructor(private plugin: ResolvedUnpluginOptions) {}
-
  apply(compiler: Compiler): void {
  const dir = this.plugin.__virtualModulePrefix
  if (!fs.existsSync(dir)) {