fix(dual-mode): fixed the esm bundle to be true esm

and confirmed by converting the integration tests to esm

Author: travi

cucumber.js

@@ -0,0 +1,22 @@
+const base = {
+  formatOptions: {snippetInterface: 'async-await'},
+  import: ['test/integration/features/**/*.mjs'],
+  publishQuiet: true
+};
+
+export default base;
+
+export const wip = {
+  ...base,
+  tags: '@wip and not @skip'
+};
+
+export const noWip = {
+  ...base,
+  tags: 'not @skip and not @wip'
+};
+
+export const focus = {
+  ...base,
+  tags: '@focus'
+};

cucumber.mjs

@@ -1,7 +1,7 @@
 // #### Import
 // remark-usage-ignore-next
 import stubbedFs from 'mock-fs';
-import {scaffold} from './lib/index.cjs';
+import {scaffold} from './lib/index.js';
 
 // remark-usage-ignore-next
 stubbedFs();

example.js

@@ -17,7 +17,7 @@
     "pretest:integration:base": "run-s build",
     "lint:gherkin": "gherkin-lint",
     "test:integration": "run-s 'test:integration:base -- --profile noWip'",
-    "test:integration:base": "NODE_OPTIONS=--enable-source-maps DEBUG=any cucumber-js test/integration --profile base",
+    "test:integration:base": "NODE_OPTIONS=--enable-source-maps DEBUG=any cucumber-js test/integration",
     "test:integration:debug": "DEBUG=test run-s test:integration",
     "test:integration:wip": "run-s 'test:integration:base -- --profile wip'",
     "test:integration:wip:debug": "DEBUG=test run-s 'test:integration:wip'",
@@ -44,11 +44,11 @@
   },
   "sideEffects": false,
   "runkitExampleFilename": "./example.js",
-  "main": "./lib/index.cjs.js",
-  "module": "./lib/index.es.js",
+  "main": "./lib/index.js",
+  "module": "./lib/index.mjs",
   "exports": {
-    "require": "./lib/index.cjs.js",
-    "import": "./lib/index.es.js"
+    "require": "./lib/index.js",
+    "import": "./lib/index.mjs"
   },
   "version": "0.0.0-semantically-released",
   "devDependencies": {

package.json

@@ -4,7 +4,7 @@ export default {
   input: 'src/index.js',
   plugins: [autoExternal()],
   output: [
-    {file: 'lib/index.cjs.js', format: 'cjs', sourcemap: true},
-    {file: 'lib/index.es.js', format: 'es', sourcemap: true}
+    {file: 'lib/index.js', format: 'cjs', sourcemap: true},
+    {file: 'lib/index.mjs', format: 'es', sourcemap: true}
   ]
 };

rollup.config.js

@@ -1,7 +1,10 @@
-import {resolve} from 'path';
+import {dirname, resolve} from 'node:path';
+import {fileURLToPath} from 'node:url';
+
 import {After, When} from '@cucumber/cucumber';
 import stubbedFs from 'mock-fs';
 
+const __dirname = dirname(fileURLToPath(import.meta.url));
 const stubbedNodeModules = stubbedFs.load(resolve(__dirname, '..', '..', '..', '..', 'node_modules'));
 
 After(function () {
@@ -10,7 +13,7 @@ After(function () {
 
 When('the project is scaffolded', async function () {
   // eslint-disable-next-line import/no-extraneous-dependencies,import/no-unresolved
-  const {scaffold} = require('@form8ion/prettier');
+  const {scaffold} = await import('@form8ion/prettier');
 
   stubbedFs({
     node_modules: stubbedNodeModules