test no work

scripts/verifyPnP.js

@@ -0,0 +1,72 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const chalk = require('chalk');
+const execa = require('execa');
+const glob = require('glob');
+const rimraf = require('rimraf');
+const tempy = require('tempy');
+
+const packagesDirectory = path.resolve(__dirname, '../packages');
+const jestDirectory = path.resolve(packagesDirectory, './jest');
+
+const cwd = tempy.directory();
+
+try {
+  fs.writeFileSync(
+    path.join(cwd, '.yarnrc.yml'),
+    `
+      enableGlobalCache: true
+
+      yarnPath: ${require.resolve('../.yarn/releases/yarn-2.4.1.cjs')}
+  `,
+  );
+  fs.writeFileSync(
+    path.join(cwd, 'package.json'),
+    JSON.stringify(
+      {
+        dependencies: {
+          jest: `portal:${jestDirectory}`,
+        },
+        name: 'test-pnp',
+        resolutions: Object.fromEntries(
+          glob
+            .sync(packagesDirectory + '/*')
+            .map(pkgDir => [
+              require(path.join(pkgDir, 'package.json')).name,
+              `portal:${pkgDir}`,
+            ])
+            .sort(([l], [r]) => l.localeCompare(r)),
+        ),
+      },
+      null,
+      2,
+    ),
+  );
+  fs.writeFileSync(
+    path.join(cwd, 'test.js'),
+    `
+     /*
+      * @jest-environment jsdom
+      */
+
+     test('dummy', () => {
+       expect(window).toBeDefined();
+     });
+    `,
+  );
+  execa.sync('yarn', [], {cwd, stdio: 'inherit'});
+  execa.sync('yarn', ['jest'], {cwd, stdio: 'inherit'});
+
+  console.log(chalk.inverse.green(` Successfully ran Jest with PnP linker `));
+} finally {
+  rimraf.sync(cwd);
+}