Support Yarn backward compatibility mode (node-modules) for Yarn version 2.x or higher

__test__/after-task.spec.js

@@ -6,7 +6,7 @@ ansiColors.inverse = ansiColors;
 ansiColors.underline = ansiColors;
 ansiColors.bold = ansiColors;
 
-const isAvailable = bin => bin === 'yarn';
+const isAvailable = bin => bin === 'yarn' || bin === 'pnpm';
 
 test('"after" task only prints summary in unattended mode', async t => {
   const prompts = {
@@ -79,10 +79,49 @@ test('"after" task only prints summary in unattended mode and here mode', async
   );
 });
 
-test('"after" task installs deps, and prints summary', async t => {
+test('"after" task installs deps with npm, and prints summary', async t => {
   const prompts = {
     select(opts) {
-      t.deepEqual(opts.choices.map(c => c.value), [undefined, 'npm', 'yarn']);
+      t.deepEqual(opts.choices.map(c => c.value), [undefined, 'npm', 'yarn', 'pnpm']);
+      return 'npm';
+    }
+  };
+
+  function run(cmd, args) {
+    t.is(cmd, 'npm');
+    t.deepEqual(args, ['install']);
+  }
+
+  let printOut = '';
+  await after({
+    unattended: false,
+    here: false,
+    prompts,
+    run,
+    properties: {name: 'my-app'},
+    features: ['a', 'b'],
+    notDefaultFeatures: ['a', 'b-c'],
+    ansiColors
+  }, {
+    _isAvailable: isAvailable,
+    _log(m) {
+      printOut += m + '\n';
+    }
+  });
+
+  t.is(printOut,
+    '\nNext time, you can try to create similar project in silent mode:\n' +
+    ' npx makes aurelia new-project-name -s a,b-c \n\n' +
+    'Get Started\n' +
+    'cd my-app\n' +
+    'npm start\n\n'
+  );
+});
+
+test('"after" task installs deps with yarn, and prints summary', async t => {
+  const prompts = {
+    select(opts) {
+      t.deepEqual(opts.choices.map(c => c.value), [undefined, 'npm', 'yarn', 'pnpm']);
       return 'yarn';
     }
   };
@@ -114,7 +153,46 @@ test('"after" task installs deps, and prints summary', async t => {
     ' npx makes aurelia new-project-name -s a,b-c \n\n' +
     'Get Started\n' +
     'cd my-app\n' +
-    'npm start\n\n'
+    'yarn start\n\n'
+  );
+});
+
+test('"after" task installs deps with pnpm, and prints summary', async t => {
+  const prompts = {
+    select(opts) {
+      t.deepEqual(opts.choices.map(c => c.value), [undefined, 'npm', 'yarn', 'pnpm']);
+      return 'pnpm';
+    }
+  };
+
+  function run(cmd, args) {
+    t.is(cmd, 'pnpm');
+    t.deepEqual(args, ['install']);
+  }
+
+  let printOut = '';
+  await after({
+    unattended: false,
+    here: false,
+    prompts,
+    run,
+    properties: {name: 'my-app'},
+    features: ['a', 'b'],
+    notDefaultFeatures: ['a', 'b-c'],
+    ansiColors
+  }, {
+    _isAvailable: isAvailable,
+    _log(m) {
+      printOut += m + '\n';
+    }
+  });
+
+  t.is(printOut,
+    '\nNext time, you can try to create similar project in silent mode:\n' +
+    ' npx makes aurelia new-project-name -s a,b-c \n\n' +
+    'Get Started\n' +
+    'cd my-app\n' +
+    'pnpm start\n\n'
   );
 });
 

after.js

@@ -20,6 +20,7 @@ module.exports = async function({
 } = {}) {
   const c = ansiColors;
   let depsInstalled = false;
+  let packageManager = undefined;
 
   if (!unattended) {
     const choices = [
@@ -28,22 +29,27 @@ module.exports = async function({
     ];
 
     if (_isAvailable('yarn')) {
-      choices.push({value: 'yarn', title: 'Yes, use yarn'});
+      choices.push({value: 'yarn', title: 'Yes, use yarn (node-modules)'});
     }
 
     if (_isAvailable('pnpm')) {
       choices.push({value: 'pnpm', title: 'Yes, use pnpm'});
     }
 
-    const result = await prompts.select({
+    packageManager = await prompts.select({
       message: 'Do you want to install npm dependencies now?',
       choices
     });
 
-    if (result) {
-      await run(result, ['install']);
+    if (packageManager) {
+      await run(packageManager, ['install']);
+
       if (features.includes('playwright')) {
-        await run('npx', ['playwright', 'install', '--with-deps']);
+        if (packageManager === 'npm') {
+          await run('npx', ['playwright', 'install', '--with-deps']);
+        } else {
+          await run(packageManager, ['dlx', 'playwright', 'install', '--with-deps']);
+        }
       }
       depsInstalled = true;
     }
@@ -54,9 +60,10 @@ module.exports = async function({
 
   _log(`\n${c.underline.bold('Get Started')}`);
   if (!here) _log('cd ' + properties.name);
+
   if (!depsInstalled) {
     _log('npm install');
     if (features.includes('playwright')) _log('npx playwright install --with-deps');
   }
-  _log('npm start\n');
+  _log((packageManager ?? 'npm') + ' start\n');
 };

common/.npmrc

@@ -1,2 +1,3 @@
 # for pnpm, use flat node_modules
 shamefully-hoist=true
+strict-peer-dependencies=false

common/.yarnrc.yml

@@ -1,3 +1,2 @@
-# For compatibility in yarn 2
-pnpMode: loose
-pnpFallbackMode: all
+# For compatibility in yarn 2+
+nodeLinker: node-modules