Target Node.js 12.20, 14.15 and 15

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [^10.18.0, ^12.14.0, ^14.0.0, ^15.0.0]
+        node-version: [^12.20, ^14.15, ^15]
         os: [ubuntu-latest, windows-latest]
     steps:
       - uses: actions/checkout@v2
@@ -48,7 +48,7 @@ jobs:
           fetch-depth: 1
       - uses: actions/setup-node@v2
         with:
-          node-version: ^12
+          node-version: ^12.20
       - run: npm ci --no-audit
       - run: npm i typescript@${TS_VERSION}
         env:
@@ -65,7 +65,7 @@ jobs:
           fetch-depth: 1
       - uses: actions/setup-node@v2
         with:
-          node-version: ^12.14.0
+          node-version: ^12.20
       - name: Upgrade npm
         run: if [[ "$(npm -v)" != "6.14.10" ]]; then npm install --global npm@6.14.10; fi
       - run: npm ci --no-audit
@@ -88,7 +88,7 @@ jobs:
           fetch-depth: 1
       - uses: actions/setup-node@v2
         with:
-          node-version: ^12.14.0
+          node-version: ^12.20
       - run: npm install --no-shrinkwrap --no-audit
       - run: npm run cover
 
@@ -101,6 +101,6 @@ jobs:
           fetch-depth: 1
       - uses: actions/setup-node@v2
         with:
-          node-version: ^10.18.0
+          node-version: ^12.20
       - run: npm ci
       - run: npx xo

ava.config.js

@@ -1,13 +1,4 @@
-const skipTests = [];
-if (process.versions.node < '12.17.0') {
-	skipTests.push(
-		'!test/config/next-gen.js',
-		'!test/configurable-module-format/module.js',
-		'!test/shared-workers/!(requires-newish-node)/**'
-	);
-}
-
 export default {
-	files: ['test/**', '!test/**/{fixtures,helpers}/**', ...skipTests],
+	files: ['test/**', '!test/**/{fixtures,helpers}/**'],
 	ignoredByWatcher: ['{coverage,docs,media,test-d,test-tap}/**']
 };

eslint-plugin-helper.js

@@ -1,4 +1,5 @@
 'use strict';
+// TODO: Clean up.
 let isMainThread = true;
 let supportsWorkers = false;
 try {

lib/cli.js

@@ -428,16 +428,9 @@ exports.run = async () => { // eslint-disable-line complexity
 			const {controlFlow} = require('./ipc-flow-control');
 			const bufferedSend = controlFlow(process);
 
-			if (process.versions.node >= '12.16.0') {
-				plan.status.on('stateChange', evt => {
-					bufferedSend(evt);
-				});
-			} else {
-				const v8 = require('v8');
-				plan.status.on('stateChange', evt => {
-					bufferedSend([...v8.serialize(evt)]);
-				});
-			}
+			plan.status.on('stateChange', evt => {
+				bufferedSend(evt);
+			});
 		}
 
 		plan.status.on('stateChange', evt => {

lib/plugin-support/shared-workers.js

@@ -1,10 +1,7 @@
 const events = require('events');
-const serializeError = require('../serialize-error');
+const {Worker} = require('worker_threads');
 
-let Worker;
-try {
-	({Worker} = require('worker_threads'));
-} catch {}
+const serializeError = require('../serialize-error');
 
 const LOADER = require.resolve('./shared-worker-loader');
 

lib/worker/plugin.js

@@ -72,8 +72,6 @@ function createSharedWorker(filename, initialData, teardown) {
 	};
 }
 
-const supportsSharedWorkers = process.versions.node >= '12.17.0';
-
 function registerSharedWorker({
 	filename,
 	initialData,
@@ -84,10 +82,6 @@ function registerSharedWorker({
 		throw new Error('Shared workers are experimental. Opt in to them in your AVA configuration');
 	}
 
-	if (!supportsSharedWorkers) {
-		throw new Error('Shared workers require Node.js 12.17 or newer');
-	}
-
 	if (!supportedProtocols.includes('experimental')) {
 		throw new Error(`This version of AVA (${pkg.version}) does not support any of the desired shared worker protocols: ${supportedProtocols.join()}`);
 	}

package.json

@@ -7,7 +7,7 @@
 	"homepage": "https://avajs.dev",
 	"bin": "cli.js",
 	"engines": {
-		"node": ">=10.18.0 <11 || >=12.14.0 <12.17.0 || >=12.17.0 <13 || >=14.0.0 <15 || >=15"
+		"node": ">=12.20 <13 || >=14.15 <15 || >=15"
 	},
 	"scripts": {
 		"cover": "c8 --report=none tap && c8 --report=none --no-clean test-ava && c8 report",

test-tap/integration/assorted.js

@@ -164,30 +164,18 @@ test('selects .cjs test files', t => {
 	});
 });
 
-test('load .mjs test files (when node supports it)', t => {
+test('load .mjs test files', t => {
 	execCli('mjs.mjs', (err, stdout) => {
-		if (Number.parseFloat(process.version.slice(1)) >= 12.17) {
-			t.ifError(err);
-			t.match(stdout, /1 test passed/);
-			t.end();
-		} else {
-			t.ok(err);
-			t.match(stdout, /ECMAScript Modules are not supported in this Node.js version./);
-			t.end();
-		}
+		t.ifError(err);
+		t.match(stdout, /1 test passed/);
+		t.end();
 	});
 });
 
-test('load .js test files as ESM modules (when node supports it)', t => {
+test('load .js test files as ESM modules', t => {
 	execCli('test.js', {dirname: 'fixture/pkg-type-module'}, (err, stdout) => {
-		if (Number.parseFloat(process.version.slice(1)) >= 12.17) {
-			t.ifError(err);
-			t.match(stdout, /1 test passed/);
-			t.end();
-		} else {
-			t.ok(err);
-			t.match(stdout, /ECMAScript Modules are not supported in this Node.js version./);
-			t.end();
-		}
+		t.ifError(err);
+		t.match(stdout, /1 test passed/);
+		t.end();
 	});
 });

test-tap/reporters/mini.js

@@ -1,11 +1,6 @@
 'use strict';
 require('../helper/fix-reporter-env')();
 
-// Excessive writes occur in Node.js 11. These don't have a visual impact but prevent the integration tests from passing.
-if (process.version.startsWith('v11')) {
-	process.exit(0); // eslint-disable-line unicorn/no-process-exit
-}
-
 const path = require('path');
 const {test} = require('tap');
 const TTYStream = require('../helper/tty-stream');