feat: overrule module output

Author: jantimon

lib/child-compiler.js

@@ -95,8 +95,8 @@ class HtmlWebpackChildCompiler {
         type: 'var',
         name: 'HTML_WEBPACK_PLUGIN_RESULT'
       },
-      /** @type {'text/javascript'} */
-      scriptType: (/** @type {'text/javascript'} */'text/javascript')
+      scriptType: /** @type {'text/javascript'} */('text/javascript'),
+      iife: true
     };
     const compilerName = 'HtmlWebpackCompiler';
     // Create an additional child compiler which takes the template
@@ -152,9 +152,6 @@ class HtmlWebpackChildCompiler {
         if (childCompilation && childCompilation.errors && childCompilation.errors.length) {
           const errorDetails = childCompilation.errors.map(error => {
             let message = error.message;
-            if ('error' in error) {
-              message += ':\n' + error.error;
-            }
             if (error.stack) {
               message += '\n' + error.stack;
             }