Use ESM for the babel config

Author: NullVoxPopuli

files/_js_babel.config.cjs files/_js_babel.config.mjsfiles/_js_babel.config.cjs renamed to files/_js_babel.config.mjs

@@ -1,11 +1,9 @@
-'use strict';
-
-const {
+import {
   babelCompatSupport,
   templateCompatSupport,
-} = require('@embroider/compat/babel');
+} from '@embroider/compat/babel';
 
-module.exports = {
+export default {
   plugins: [
     [
       'babel-plugin-ember-template-compilation',
@@ -23,14 +21,14 @@ module.exports = {
       'module:decorator-transforms',
       {
         runtime: {
-          import: require.resolve('decorator-transforms/runtime-esm'),
+          import: 'decorator-transforms/runtime-esm',
         },
       },
     ],
     [
       '@babel/plugin-transform-runtime',
       {
-        absoluteRuntime: __dirname,
+        absoluteRuntime: import.meta.dirname,
         useESModules: true,
         regenerator: false,
       },

files/_ts_babel.config.cjs files/_ts_babel.config.mjsfiles/_ts_babel.config.cjs renamed to files/_ts_babel.config.mjs

@@ -1,11 +1,9 @@
-'use strict';
-
-const {
+import {
   babelCompatSupport,
   templateCompatSupport,
-} = require('@embroider/compat/babel');
+} from '@embroider/compat/babel';
 
-module.exports = {
+export default {
   plugins: [
     [
       '@babel/plugin-transform-typescript',
@@ -31,14 +29,14 @@ module.exports = {
       'module:decorator-transforms',
       {
         runtime: {
-          import: require.resolve('decorator-transforms/runtime-esm'),
+          import: 'decorator-transforms/runtime-esm',
         },
       },
     ],
     [
       '@babel/plugin-transform-runtime',
       {
-        absoluteRuntime: __dirname,
+        absoluteRuntime: import.meta.dirname,
         useESModules: true,
         regenerator: false,
       },