Revert "Change target to ES5 for targeting Hermes Engine, disable noEmitHelpers, don't crash if registerOnGlobalContext fails, and disable the special transform for NativeClass decorator"

This reverts commit 7e0497c8b1.

packages/webpack5/src/configuration/base.ts

@@ -274,7 +274,7 @@ export default function (config: Config, env: IWebpackEnv = _env): Config {
 			},
 			getCustomTransformers() {
 				return {
-					before: [],
+					before: [require('../transformers/NativeClass').default],
 				};
 			},
 		});

packages/webpack5/src/transformers/NativeClass/index.ts

@@ -5,8 +5,6 @@ import ts from 'typescript';
  */
 export default function (ctx: ts.TransformationContext) {
 	function isNativeClassExtension(node: ts.ClassDeclaration) {
-		return false;
-
 		let decorators: Readonly<ts.Decorator[]>;
 
 		if ('canHaveDecorators' in ts && ts.canHaveDecorators(node)) {
@@ -37,7 +35,7 @@ export default function (ctx: ts.TransformationContext) {
 					node.getText().replace(/@NativeClass(\((.|\n)*?\))?/gm, ''),
 					{
 						compilerOptions: {
-							noEmitHelpers: false,
+							noEmitHelpers: true,
 							module: ts.ModuleKind.ESNext,
 							target: ts.ScriptTarget.ES5,
 							experimentalDecorators: true,

packages/webpack5/tsconfig.json

@@ -2,7 +2,7 @@
 	"compilerOptions": {
 		"rootDir": ".",
 		"baseUrl": ".",
-		"target": "es5",
+		"target": "es2017",
 		"module": "commonjs",
 		"outDir": "./dist",
 		"declaration": true,