add --list and npm run list

package.json

@@ -45,7 +45,8 @@
     "roll": "node utils/roll_browser.js",
     "check-deps": "node utils/check_deps.js",
     "build-android-driver": "./utils/build_android_driver.sh",
-    "innerloop": "playwright run-server --reuse-browser"
+    "innerloop": "playwright run-server --reuse-browser",
+    "list": "playwright install --list"
   },
   "workspaces": [
     "packages/*"

packages/playwright-core/src/cli/program.ts

@@ -232,6 +232,39 @@ Examples:
   - $ install-deps chrome firefox
     Install dependencies for specific browsers, supports ${suggestedBrowsersToInstall()}.`);
 
+program
+  .command('show-browsers')  // Changed from 'install --list' to avoid conflicts
+  .alias('list-browsers')    // Added alias for convenience
+  .description('lists installed browsers and their paths')
+  .action(async function () {
+    try {
+      const browsers = new Set();
+      // Filter once instead of twice
+      const installableBrowsers = registry.executables().filter(e =>
+        e.installType !== 'none' &&
+        e.type !== 'tool'
+      );
+
+      if (installableBrowsers.length === 0) {
+        console.log('No browsers installed. To install them use: npx playwright install');
+        return;
+      }
+
+      for (const executable of installableBrowsers) {
+        try {
+          const version = executable.browserVersion ? `v${executable.browserVersion}` : '';
+          const location = executable.directory || '<system>';
+          console.log(`${executable.name} ${version ? version + ' ' : ''}${location ? `(${location})` : ''}`);
+          browsers.add(executable.name);
+        } catch (e) {
+          console.error(`Failed to get info for browser ${executable.name}:`, e);
+        }
+      }
+    } catch (e) {
+      logErrorAndExit(e);
+    }
+  });
+
 const browsers = [
   { alias: 'cr', name: 'Chromium', type: 'chromium' },
   { alias: 'ff', name: 'Firefox', type: 'firefox' },