Explicit and separate CJS and ESM entrypoints

Fixes #2671.

AVA now only has a default export: the test() function.

Author: novemberborn

ava.config.cjs

@@ -0,0 +1,7 @@
+// 👉 Due to the package exports, XO's use of our ESLint plugin loads this
+// file using the AVA code in the repository, but our self-hosted tests use the
+// installed "test-ava" version.
+module.exports = {
+	files: ['test/**', '!test/**/{fixtures,helpers}/**'],
+	ignoredByWatcher: ['{coverage,docs,media,test-d,test-tap}/**']
+};

ava.config.js

@@ -0,0 +1,3 @@
+#!/usr/bin/env node
+import * as cli from '../lib/cli.js'; // eslint-disable-line import/extensions
+cli.run();

cli.js

@@ -2,7 +2,7 @@
 const v8 = require('v8');
 const {Worker} = require('worker_threads');
 
-const {classify, hasExtension, isHelperish, matches, normalizeFileForMatching, normalizePatterns} = require('./lib/globs');
+const {classify, hasExtension, isHelperish, matches, normalizeFileForMatching, normalizePatterns} = require('../lib/globs');
 
 const MAX_DATA_LENGTH_EXCLUSIVE = 100 * 1024; // Allocate 100 KiB to exchange globs.
 

entrypoints/cli.mjs

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../lib/worker/main');

eslint-plugin-helper.js renamed to entrypoints/eslint-plugin-helper.cjs

@@ -0,0 +1,2 @@
+import test from '../lib/worker/main.js'; // eslint-disable-line import/extensions
+export default test;

entrypoints/main.cjs

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../lib/worker/plugin');

entrypoints/main.mjs

@@ -0,0 +1,4 @@
+'use strict';
+import * as plugin from '../lib/worker/plugin.js'; // eslint-disable-line import/extensions
+const {registerSharedWorker} = plugin;
+export {registerSharedWorker};

entrypoints/plugin.cjs

@@ -683,33 +683,3 @@ declare const test: TestInterface;
 
 /** Call to declare a test, or chain to declare hooks or test modifiers */
 export default test;
-
-/** Call to declare a hook that is run once, after all tests have passed, or chain to declare modifiers. */
-export const after: AfterInterface;
-
-/** Call to declare a hook that is run after each passing test, or chain to declare modifiers. */
-export const afterEach: AfterInterface;
-
-/** Call to declare a hook that is run once, before all tests, or chain to declare modifiers. */
-export const before: BeforeInterface;
-
-/** Call to declare a hook that is run before each test, or chain to declare modifiers. */
-export const beforeEach: BeforeInterface;
-
-/** Call to declare a test that is expected to fail, or chain to declare modifiers. */
-export const failing: FailingInterface;
-
-/** Call to declare a test that is run exclusively, along with other tests declared with `.only()`. */
-export const only: OnlyInterface;
-
-/** Call to declare a serial test, or chain to declare serial hooks or test modifiers. */
-export const serial: SerialInterface;
-
-/** Skip this test. */
-export const skip: SkipInterface;
-
-/** Declare a test that should be implemented later. */
-export const todo: TodoDeclaration;
-
-/** Meta data associated with the current process. */
-export const meta: MetaInterface;