feat: use thisCompilation in child compiler for faster builds

see also webpack/webpack#11704

Author: jantimon

lib/child-compiler.js

@@ -115,7 +115,7 @@ class HtmlWebpackChildCompiler {
     this.compilationStartedTimestamp = new Date().getTime();
     this.compilationPromise = new Promise((resolve, reject) => {
       const extractedAssets = [];
-      childCompiler.hooks.compilation.tap('HtmlWebpackPlugin', (compilation) => {
+      childCompiler.hooks.thisCompilation.tap('HtmlWebpackPlugin', (compilation) => {
         compilation.hooks.processAssets.tap(
           {
             name: 'HtmlWebpackPlugin',

package.json

@@ -46,7 +46,7 @@
     "standard-version": "9.0.0",
     "style-loader": "0.23.1",
     "typescript": "4.0.3",
-    "webpack": "5.1.0",
+    "webpack": "5.1.2",
     "webpack-recompilation-simulator": "3.2.0"
   },
   "dependencies": {
@@ -58,7 +58,7 @@
     "tapable": "2.0.0"
   },
   "peerDependencies": {
-    "webpack": "^5.1.0"
+    "webpack": "^5.1.2"
   },
   "keywords": [
     "webpack",