Add yarn 3 to create redwood app template

.github/workflows/smoke-test.yaml

@@ -50,6 +50,7 @@ jobs:
         uses: ./.github/actions/setup_test_project
         env:
           REDWOOD_DISABLE_TELEMETRY: 1
+          YARN_ENABLE_IMMUTABLE_INSTALLS: false
 
       - name: Install Playwright deps
         run: npx playwright install --with-deps chromium
@@ -116,6 +117,11 @@ jobs:
           yarn rw prisma generate
         working-directory: ${{ steps.setup_test_project.outputs.test_project_path }}
 
+      - name: Run "rw data-migrate"
+        run: |
+          yarn rw dataMigrate up
+        working-directory: ${{ steps.setup_test_project.outputs.test_project_path }}
+
       - name: Run "data-migrate install"
         run: |
           yarn rw data-migrate install
@@ -126,11 +132,6 @@ jobs:
           yarn rw prisma migrate dev --name ci-test
         working-directory: ${{ steps.setup_test_project.outputs.test_project_path }}
 
-      - name: Run "rw data-migrate"
-        run: |
-          yarn rw dataMigrate up
-        working-directory: ${{ steps.setup_test_project.outputs.test_project_path }}
-
       - name: Run `rw deploy --help`
         run: yarn rw setup deploy --help && yarn rw deploy --help
         working-directory: ${{ steps.setup_test_project.outputs.test_project_path }}

__fixtures__/test-project/.gitignore

@@ -11,3 +11,10 @@ yarn-error.log
 web/public/mockServiceWorker.js
 web/types/graphql.d.ts
 api/types/graphql.d.ts
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions

__fixtures__/test-project/.yarnrc.yml

@@ -0,0 +1,9 @@
+compressionLevel: 0
+
+enableGlobalCache: true
+
+nmMode: hardlinks-local
+
+nodeLinker: node-modules
+
+yarnPath: .yarn/releases/yarn-3.2.0.cjs

__fixtures__/test-project/package.json

@@ -20,12 +20,13 @@
   },
   "engines": {
     "node": ">=14.19 <=16.x",
-    "yarn": ">=1.15 <2"
+    "yarn": ">=1.15"
   },
   "prisma": {
     "seed": "yarn rw exec seed"
   },
   "scripts": {
     "postinstall": ""
-  }
-}
+  },
+  "packageManager": "yarn@3.2.0"
+}

packages/create-redwood-app/src/create-redwood-app.js

@@ -50,6 +50,7 @@ const {
   typescript,
   overwrite,
   telemetry: telemetry,
+  yarn1,
 } = yargs
   .scriptName(name)
   .usage('Usage: $0 <project directory> [option]')
@@ -77,6 +78,11 @@ const {
     describe:
       'Enables sending telemetry events for this create command and all Redwood CLI commands https://telemetry.redwoodjs.com',
   })
+  .option('yarn1', {
+    default: false,
+    type: 'boolean',
+    describe: 'Use yarn 1. yarn 3 by default',
+  })
   .version(version)
   .strict().argv
 
@@ -164,6 +170,33 @@ const createProjectTasks = ({ newAppDir, overwrite }) => {
         )
       },
     },
+    {
+      title: 'Converting to yarn 1',
+      enabled: () => yarn1,
+      task: () => {
+        // rm files:
+        // - .yarnrc.yml
+        // - .yarn
+        fs.rmSync(path.join(newAppDir, '.yarnrc.yml'))
+        fs.rmdirSync(path.join(newAppDir, '.yarn'), { recursive: true })
+
+        // rm after `.pnp.*`
+        const gitignore = fs.readFileSync(path.join(newAppDir, '.gitignore'), {
+          encoding: 'utf-8',
+        })
+        const [yarn1Gitignore, _yarn3Gitignore] = gitignore.split('.pnp.*')
+        fs.writeFileSync(path.join(newAppDir, '.gitignore'), yarn1Gitignore)
+
+        // rm `packageManager` from package.json
+        const packageJSON = fs.readJSONSync(
+          path.join(newAppDir, 'package.json')
+        )
+        delete packageJSON.packageManager
+        fs.writeJSONSync(path.join(newAppDir, 'package.json'), packageJSON, {
+          spaces: 2,
+        })
+      },
+    },
   ]
 }
 

packages/create-redwood-app/template/.yarnrc.yml

@@ -0,0 +1,9 @@
+compressionLevel: 0
+
+enableGlobalCache: true
+
+nmMode: hardlinks-local
+
+nodeLinker: node-modules
+
+yarnPath: .yarn/releases/yarn-3.2.0.cjs

packages/create-redwood-app/template/gitignore.template

@@ -11,3 +11,10 @@ yarn-error.log
 web/public/mockServiceWorker.js
 web/types/graphql.d.ts
 api/types/graphql.d.ts
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions

packages/create-redwood-app/template/package.json

@@ -16,9 +16,10 @@
   },
   "engines": {
     "node": ">=14.19 <=16.x",
-    "yarn": ">=1.15 <2"
+    "yarn": ">=1.15"
   },
   "prisma": {
     "seed": "yarn rw exec seed"
-  }
+  },
+  "packageManager": "yarn@3.2.0"
 }

tasks/run-e2e

@@ -46,7 +46,7 @@ const buildRedwoodFramework = () => {
   }
 }
 
-const createRedwoodJSApp = () => {
+const createRedwoodJSApp = ({ yarn1 }) => {
   try {
     execa.sync(
       'yarn babel-node src/create-redwood-app.js',
@@ -55,7 +55,8 @@ const createRedwoodJSApp = () => {
         '--no-yarn-install',
         '--typescript',
         '--no-telemetry',
-      ],
+        yarn1 && '--yarn1',
+      ].filter(Boolean),
       {
         cwd: path.join(REDWOODJS_FRAMEWORK_PATH, 'packages/create-redwood-app'),
         env: { REDWOOD_CI: '1' },
@@ -70,24 +71,6 @@ const createRedwoodJSApp = () => {
   }
 }
 
-const upgradeToYarn3 = () => {
-  try {
-    execa.sync(
-      `RWJS_CWD=${REDWOOD_PROJECT_DIRECTORY} yarn node ./packages/codemods/dist/codemods.js upgrade-yarn`,
-      {
-        cwd: REDWOODJS_FRAMEWORK_PATH,
-        env: { REDWOOD_CI: '1' },
-        shell: true,
-        stdio: 'inherit',
-      }
-    )
-  } catch (e) {
-    console.error('Error: Could not upgrade Redwood Project to yarn 3')
-    console.error(e)
-    process.exit(1)
-  }
-}
-
 const addFrameworkDepsToProject = () => {
   try {
     execa.sync('yarn project:deps', {
@@ -202,7 +185,7 @@ const args = yargs
   .option('copy-framework', { default: true, type: 'boolean', alias: 'copy' })
   .option('typescript', { default: false, type: 'boolean', alias: 'ts' })
   .option('auto-start', { default: true, type: 'boolean', alias: 'start' })
-  .option('yarn3', { default: true, type: 'boolean' })
+  .option('yarn1', { default: false, type: 'boolean' })
   .scriptName('run-e2e')
   .example('run-e2e')
   .example('run-e2e /tmp/redwood-app --ts')
@@ -232,12 +215,11 @@ let {
   createProject,
   typescript,
   autoStart,
-  yarn3,
+  yarn1,
 } = args
 const tasks = [
   buildFramework && buildRedwoodFramework,
-  createProject && createRedwoodJSApp,
-  yarn3 && upgradeToYarn3,
+  createProject && (() => createRedwoodJSApp({ yarn1 })),
   copyFramework && addFrameworkDepsToProject,
   copyFramework && runYarnInstall,
   copyFramework && copyFrameworkPackages,

tasks/test-project/tasks.js

@@ -243,7 +243,7 @@ async function webTasks(outputPath, { linkWithLatestFwBuild, verbose }) {
         // @NOTE: use rwfw, because calling the copy function doesn't seem to work here
         task: () =>
           execa(
-            'yarn add -W -D postcss postcss-loader tailwindcss autoprefixer',
+            'yarn workspace web add -D postcss postcss-loader tailwindcss autoprefixer',
             [],
             getExecaOptions(outputPath)
           ),

tasks/test-project/test-project

@@ -64,6 +64,11 @@ const args = yargs
     describe:
       'Upgrade project to latest canary version. NOT compatible with --link.',
   })
+  .option('yarn1', {
+    default: false,
+    type: 'boolean',
+    describe: 'Use yarn 1 instead of yarn 3',
+  })
   .help()
   .strict().argv
 
@@ -75,6 +80,7 @@ const {
   clean,
   copyFromFixture,
   rebuildFixture,
+  yarn1,
 } = args
 
 // Do not use demandCommand becuase rebuildFixture doesn't require <project directory>
@@ -216,33 +222,23 @@ const globalTasks = () =>
         enabled: () => link && !rebuildFixture,
       },
       {
-        title: 'Set yarn v1 version in test-project directory',
+        title: 'Setting yarn version to 1',
         task: async () => {
           await execa(
             'yarn set version classic',
             [],
             getExecaOptions(OUTPUT_PROJECT_PATH)
           )
-
-          // remove "packageManager": "yarn@3.2.0" from package.json
-          const packageJsonPath = path.join(OUTPUT_PROJECT_PATH, 'package.json')
-          const packageJson = JSON.parse(
-            fs.readFileSync(packageJsonPath, 'utf-8')
-          )
-          delete packageJson.packageManager
-          fs.writeFileSync(
-            packageJsonPath,
-            JSON.stringify(packageJson, undefined, 2)
-          )
         },
-        skip: () => !copyFromFixture && rebuildFixture,
+        enabled: () => yarn1,
       },
       {
         title: 'Installing node_modules',
         task: async () => {
           return execa(
             'yarn install',
-            ['--non-interactive', !verbose && '--silent'].filter(Boolean),
+            yarn1 &&
+              ['--non-interactive', !verbose && '--silent'].filter(Boolean), // pass flags if using Yarn v1
             getExecaOptions(OUTPUT_PROJECT_PATH)
           )
         },
@@ -326,8 +322,8 @@ const globalTasks = () =>
         title: 'Generate dbAuth Secret',
         task: async () => {
           const { stdout: dbAuthSecret } = await execa(
-            `yarn --silent rw g secret --raw`,
-            [],
+            'yarn',
+            [yarn1 && '--silent', 'rw', 'g', 'secret', '--raw'].filter(Boolean),
             {
               ...getExecaOptions(OUTPUT_PROJECT_PATH),
               stdio: 'pipe',