fix proxy readonly deprecated hooks error in webpack 5

Author: tanhauhau

WrappedPlugin/index.js

@@ -125,6 +125,10 @@ const wrapHooks = (orig, pluginName, smp, type) => {
       get: (target, property) => {
         const raw = Reflect.get(target, property);
 
+        if (Object.isFrozen(target)) {
+          return raw;
+        }
+
         if (property === "tap" && typeof raw === "function")
           return wrapTap(raw, pluginName, smp, type, method).bind(proxy);
         if (property === "tapAsync" && typeof raw === "function")

__tests__/setups/v4-html-webpack-plugin/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "v4-hard-source-webpack-plugin",
+  "name": "v4-html-webpack-plugin",
   "version": "0.0.1",
   "description": "Test webpack v4, and HTML Webpack Plugin with SMP",
   "scripts": {