refactor: remove structuredClonePolyfill (#1463)

Signed-off-by: Jan Kowalleck <[email protected]>

Author: jkowalleck

src/_helpers.ts

@@ -28,13 +28,6 @@ export function isNonNullable<T>(value: T): value is NonNullable<T> {
   return value !== null && value !== undefined
 }
 
-export const structuredClonePolyfill: <T>(value: T) => T = typeof structuredClone === 'function'
-  ? structuredClone
-  : function <T>(value: T): T {
-    /* eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion -- ack */
-    return JSON.parse(JSON.stringify(value)) as T
-  }
-
 export interface ValidPackageJSON {
   name: string
   version: string

src/extractor.ts

@@ -27,7 +27,6 @@ import {
   isNonNullable,
   normalizePackageManifest,
   type PackageDescription,
-  structuredClonePolyfill
 } from './_helpers'
 
 type WebpackLogger = Compilation['logger']
@@ -95,7 +94,7 @@ export class Extractor {
     try {
       // work with a deep copy, because `normalizePackageManifest()` might modify the data
       /* eslint-disable-next-line @typescript-eslint/no-unsafe-assignment -- ach */
-      const _packageJson = structuredClonePolyfill(pkg.packageJson)
+      const _packageJson = structuredClone(pkg.packageJson)
       normalizePackageManifest(_packageJson)
       pkg.packageJson = _packageJson /* eslint-disable-line  no-param-reassign -- intended  */
     } catch (e) {