chore: extract playwright finder

package.json

@@ -97,7 +97,7 @@
     }
   },
   "scripts": {
-    "esbuild": "esbuild ./src/babelBundle.ts ./src/extension.ts ./src/oopReporter.ts ./src/debugTransform.ts --bundle --outdir=out --external:vscode --external:./babelBundle --external:./debugTransform --external:./oopReporter --format=cjs --platform=node --target=ES2019",
+    "esbuild": "esbuild ./src/babelBundle.ts ./src/extension.ts ./src/oopReporter.ts ./src/debugTransform.ts  ./src/playwrightFinder.ts --bundle --outdir=out --external:vscode --external:./babelBundle --external:./debugTransform --external:./oopReporter --external:./playwrightFinder --format=cjs --platform=node --target=ES2019",
     "build": "npm run esbuild -- --minify",
     "watch": "npm run esbuild -- --sourcemap --watch",
     "l10n": "npx @vscode/l10n-dev export -o ./l10n ./src",

src/playwrightFinder.ts

@@ -0,0 +1,50 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+const path = require('path');
+
+const packages = [
+  '@playwright/test',
+  'playwright',
+  '@playwright/experimental-ct-react',
+  '@playwright/experimental-ct-react17',
+  '@playwright/experimental-ct-vue',
+  '@playwright/experimental-ct-vue2',
+  '@playwright/experimental-ct-solid',
+  '@playwright/experimental-ct-svelte',
+];
+
+for (const packageName of packages) {
+  let packageJSONPath;
+  try {
+    packageJSONPath = require.resolve(path.join(packageName, 'package.json'), { paths: [process.cwd()] });
+  } catch (e) {
+    continue;
+  }
+  try {
+    const packageJSON = require(packageJSONPath);
+    const { version } = packageJSON;
+    const v = parseFloat(version.replace(/-(next|beta)$/, ''));
+    const cli = path.join(packageJSONPath, '../cli.js');
+    console.log(JSON.stringify({ version: v, cli }, null, 2));
+    process.exit(0);
+  } catch (e) {
+    console.log(JSON.stringify({ error: String(e) }, null, 2));
+    process.exit(0);
+  }
+}
+
+console.log(JSON.stringify({ error: 'Playwright installation not found for ' + process.cwd() }));

src/playwrightTest.ts

@@ -64,41 +64,16 @@ export class PlaywrightTest {
   }
 
   async getPlaywrightInfo(workspaceFolder: string, configFilePath: string): Promise<{ version: number, cli: string }> {
-    try {
-      return await this._getPlaywrightInfoImpl(workspaceFolder, configFilePath, '@playwright/test');
-    } catch (error) {
-      // In order to support component testing
-      return await this._getPlaywrightInfoImpl(workspaceFolder, configFilePath, 'playwright');
-    }
-  }
-
-  private async _getPlaywrightInfoImpl(workspaceFolder: string, configFilePath: string, cliPackage: string): Promise<{ version: number, cli: string }> {
     const pwtInfo = await this._runNode([
-      '-e',
-      `try { const pwtIndex = require.resolve("${cliPackage}"); const version = require("${cliPackage}/package.json").version; console.log(JSON.stringify({ pwtIndex, version})); } catch { console.log("null"); }`,
+      require.resolve('./playwrightFinder'),
     ], path.dirname(configFilePath));
-    if (!pwtInfo)
-      throw new Error(`Cannot find Playwright Test package`);
-    const { version } = JSON.parse(pwtInfo);
-    const v = parseFloat(version.replace(/-(next|beta)$/, ''));
-
-    // We only depend on playwright-core in 1.15+, bail out.
-    if (v < 1.19)
-      return { cli: '', version: v };
-
-    const cliInfo = await this._runNode([
-      '-e',
-      `try { const path = require('path'); const cli = path.join(path.dirname(require.resolve("${cliPackage}")), 'cli.js'); console.log(JSON.stringify({ cli })); } catch { console.log("null"); }`,
-    ], path.dirname(configFilePath));
-    if (!cliInfo)
-      throw new Error(`Cannot find Playwright Test CLI`);
-    let { cli } = JSON.parse(cliInfo);
-
-    // Dogfood for 'ttest'
+    const { version, cli, error } = JSON.parse(pwtInfo) as { version: number, cli: string, error?: string };
+    if (error)
+      throw new Error(error);
+    let cliOverride = cli;
     if (cli.includes('/playwright/packages/playwright-test/') && configFilePath.includes('playwright-test'))
-      cli = path.join(workspaceFolder, 'tests/playwright-test/stable-test-runner/node_modules/@playwright/test/cli.js');
-
-    return { cli, version: v };
+      cliOverride = path.join(workspaceFolder, 'tests/playwright-test/stable-test-runner/node_modules/@playwright/test/cli.js');
+    return { cli: cliOverride, version };
   }
 
   async listFiles(config: TestConfig): Promise<ConfigListFilesReport> {