feat: Test bundling packages which provide environment depended code parts

e2e/fixtures/ssr-target-bundle/README.md

@@ -0,0 +1,3 @@
+# SSR Bundling for NPM packages with environment depended code parts
+
+Choosing the right code based on the `export` section of the `react-textarea-autosize` module based on the backend server deployment target ('node' | 'webworker') and the client browser. No browser only code should be bundled with server only code.

e2e/fixtures/ssr-target-bundle/package.json

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+{
+  "name": "ssr-target-bundle",
+  "version": "0.1.0",
+  "type": "module",
+  "private": true,
+  "scripts": {
+    "dev": "waku dev --with-ssr",
+    "build": "waku build --with-ssr",
+    "start": "waku start --with-ssr"
+  },
+  "dependencies": {
+    "react": "18.3.0-canary-4b2a1115a-20240202",
+    "react-dom": "18.3.0-canary-4b2a1115a-20240202",
+    "react-server-dom-webpack": "18.3.0-canary-4b2a1115a-20240202",
+    "react-textarea-autosize": "^8.5.3",
+    "waku": "workspace:*"
+  },
+  "devDependencies": {
+    "@types/react": "18.2.55",
+    "@types/react-dom": "18.2.19",
+    "typescript": "5.3.3"
+  }
+}

e2e/fixtures/ssr-target-bundle/src/components/App.tsx

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+import { Textarea } from './Textarea.js';
+
+const App = ({ name }: { name: string }) => {
+  return (
+    <div style={{ border: '3px red dashed', margin: '1em', padding: '1em' }}>
+      <title>Waku example</title>
+      <h1 data-testid="app-name">{name}</h1>
+      <Textarea />
+    </div>
+  );
+};
+
+export default App;

e2e/fixtures/ssr-target-bundle/src/components/Textarea.tsx

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+'use client';
+import TextareaAutosize from 'react-textarea-autosize';
+
+export const Textarea = () => {
+  return (
+    <div>
+      <TextareaAutosize data-testid="textarea" defaultValue={'EMPTY'} />
+    </div>
+  );
+};

e2e/fixtures/ssr-target-bundle/src/entries.tsx

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+import { lazy } from 'react';
+import { defineEntries } from 'waku/server';
+import { Slot } from 'waku/client';
+
+const App = lazy(() => import('./components/App.js'));
+
+export default defineEntries(
+  // renderEntries
+  async (input) => {
+    return {
+      App: <App name={input || 'Waku'} />,
+    };
+  },
+  // getBuildConfig
+  async () => [{ pathname: '/', entries: [{ input: '' }] }],
+  // getSsrConfig
+  async (pathname) => {
+    switch (pathname) {
+      case '/':
+        return {
+          input: '',
+          body: <Slot id="App" />,
+        };
+      default:
+        return null;
+    }
+  },
+);

e2e/fixtures/ssr-target-bundle/src/main.tsx

@@ -0,0 +1,17 @@
+import { StrictMode } from 'react';
+import { createRoot, hydrateRoot } from 'react-dom/client';
+import { Root, Slot } from 'waku/client';
+
+const rootElement = (
+  <StrictMode>
+    <Root>
+      <Slot id="App" />
+    </Root>
+  </StrictMode>
+);
+
+if (import.meta.env.WAKU_HYDRATE) {
+  hydrateRoot(document.body, rootElement);
+} else {
+  createRoot(document.body).render(rootElement);
+}

e2e/fixtures/ssr-target-bundle/tsconfig.json

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+{
+  "compilerOptions": {
+    "composite": true,
+    "strict": true,
+    "target": "esnext",
+    "downlevelIteration": true,
+    "esModuleInterop": true,
+    "module": "nodenext",
+    "skipLibCheck": true,
+    "noUncheckedIndexedAccess": true,
+    "exactOptionalPropertyTypes": true,
+    "jsx": "react-jsx",
+    "rootDir": "./src",
+    "outDir": "./dist"
+  }
+}

e2e/ssr-target-bundle.spec.ts

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+import { expect } from '@playwright/test';
+import { execSync, exec, ChildProcess } from 'node:child_process';
+import { fileURLToPath } from 'node:url';
+import waitPort from 'wait-port';
+import { getFreePort, test } from './utils.js';
+import { rm } from 'node:fs/promises';
+
+const waku = fileURLToPath(
+  new URL('../packages/waku/dist/cli.js', import.meta.url),
+);
+
+const commands = [
+  {
+    command: 'dev --with-ssr',
+  },
+  {
+    build: 'build --with-ssr',
+    command: 'start --with-ssr',
+  },
+];
+
+const cwd = fileURLToPath(
+  new URL('./fixtures/ssr-target-bundle', import.meta.url),
+);
+
+for (const { build, command } of commands) {
+  test.describe(`ssr-target-bundle: ${command}`, () => {
+    let cp: ChildProcess;
+    let port: number;
+    test.beforeAll('remove cache', async () => {
+      await rm(`${cwd}/dist`, {
+        recursive: true,
+        force: true,
+      });
+    });
+
+    test.beforeAll(async () => {
+      if (build) {
+        execSync(`node ${waku} ${build}`, {
+          cwd,
+        });
+      }
+      port = await getFreePort();
+      cp = exec(`node ${waku} ${command}`, {
+        cwd,
+        env: {
+          ...process.env,
+          PORT: `${port}`,
+        },
+      });
+      cp.stdout?.on('data', (data) => {
+        console.log(`${port} stdout: `, `${data}`);
+      });
+      cp.stderr?.on('data', (data) => {
+        console.error(`${port} stderr: `, `${data}`);
+      });
+      await waitPort({
+        port,
+      });
+    });
+
+    test.afterAll(async () => {
+      cp.kill();
+    });
+
+    test('add text input', async ({ page }) => {
+      await page.goto(`http://localhost:${port}/`);
+      await expect(page.getByTestId('app-name')).toHaveText('Waku');
+      await expect(page.getByTestId('textarea')).toHaveValue('EMPTY');
+      const height = await page
+        .getByTestId('textarea')
+        .evaluate((el) => el.clientHeight);
+      await page.getByTestId('textarea').fill('Line1\nLine2\nLine3');
+      const heightChanged = await page
+        .getByTestId('textarea')
+        .evaluate((el) => el.clientHeight);
+      expect(heightChanged).toBeGreaterThan(height);
+    });
+
+    test('no js environment should have first screen', async ({ browser }) => {
+      const context = await browser.newContext({
+        javaScriptEnabled: false,
+      });
+      const page = await context.newPage();
+      await page.goto(`http://localhost:${port}/`);
+      await expect(page.getByTestId('app-name')).toHaveText('Waku');
+      await expect(page.getByTestId('textarea')).toHaveValue('EMPTY');
+      await page.close();
+      await context.close();
+    });
+  });
+}

tsconfig.e2e.json

@@ -14,6 +14,9 @@
     },
     {
       "path": "./e2e/fixtures/rsc-router/tsconfig.json"
+    },
+    {
+      "path": "./e2e/fixtures/ssr-target-bundle/tsconfig.json"
     }
   ]
 }