chore: align lint w/ playwright (#729)

eslint.config.mjs

@@ -192,6 +192,31 @@ const languageOptions = {
   }
 };
 
+const importOrderRules = {
+  "import/order": [
+    2,
+    {
+      groups: [
+        "builtin",
+        "external",
+        "internal",
+        ["parent", "sibling"],
+        "index",
+        "type",
+      ],
+    },
+  ],
+  "import/consistent-type-specifier-style": [2, "prefer-top-level"],
+};
+
+const noFloatingPromisesRules = {
+  "@typescript-eslint/no-floating-promises": "error",
+};
+
+const noBooleanCompareRules = {
+  "@typescript-eslint/no-unnecessary-boolean-literal-compare": 2,
+};
+
 export default [
   {
     ignores: ["**/*.js"],
@@ -200,6 +225,11 @@ export default [
     files: ["**/*.ts", "**/*.tsx"],
     plugins,
     languageOptions,
-    rules: baseRules,
+    rules: {
+      ...baseRules,
+      ...importOrderRules,
+      ...noFloatingPromisesRules,
+      ...noBooleanCompareRules,
+    },
   },
 ];

src/config.ts

@@ -18,10 +18,9 @@ import fs from 'fs';
 import os from 'os';
 import path from 'path';
 import { devices } from 'playwright';
-
+import { sanitizeForFilePath } from './tools/utils.js';
 import type { Config, ToolCapability } from '../config.js';
 import type { BrowserContextOptions, LaunchOptions } from 'playwright';
-import { sanitizeForFilePath } from './tools/utils.js';
 
 export type CLIOptions = {
   allowedOrigins?: string[];

src/extension/cdpRelay.ts

@@ -22,15 +22,15 @@
  * - /extension/guid - Extension connection for chrome.debugger forwarding
  */
 
+import http from 'http';
+import { promisify } from 'util';
+import { exec } from 'child_process';
 import { WebSocket, WebSocketServer } from 'ws';
-import type websocket from 'ws';
-import http from 'node:http';
 import debug from 'debug';
-import { promisify } from 'node:util';
-import { exec } from 'node:child_process';
+import * as playwright from 'playwright';
 import { httpAddressToString, startHttpServer } from '../transport.js';
 import { BrowserContextFactory } from '../browserContextFactory.js';
-import { Browser, chromium, type BrowserContext } from 'playwright';
+import type websocket from 'ws';
 
 const debugLogger = debug('pw:mcp:relay');
 
@@ -284,13 +284,13 @@ export class CDPRelayServer {
 
 class ExtensionContextFactory implements BrowserContextFactory {
   private _relay: CDPRelayServer;
-  private _browserPromise: Promise<Browser> | undefined;
+  private _browserPromise: Promise<playwright.Browser> | undefined;
 
   constructor(relay: CDPRelayServer) {
     this._relay = relay;
   }
 
-  async createContext(clientInfo: { name: string, version: string }): Promise<{ browserContext: BrowserContext, close: () => Promise<void> }> {
+  async createContext(clientInfo: { name: string, version: string }): Promise<{ browserContext: playwright.BrowserContext, close: () => Promise<void> }> {
     // First call will establish the connection to the extension.
     if (!this._browserPromise)
       this._browserPromise = this._obtainBrowser(clientInfo);
@@ -301,9 +301,9 @@ class ExtensionContextFactory implements BrowserContextFactory {
     };
   }
 
-  private async _obtainBrowser(clientInfo: { name: string, version: string }): Promise<Browser> {
+  private async _obtainBrowser(clientInfo: { name: string, version: string }): Promise<playwright.Browser> {
     await this._relay.ensureExtensionConnectionForMCPContext(clientInfo);
-    return await chromium.connectOverCDP(this._relay.cdpEndpoint());
+    return await playwright.chromium.connectOverCDP(this._relay.cdpEndpoint());
   }
 }
 

src/index.ts

@@ -15,10 +15,9 @@
  */
 
 import { createConnection as createConnectionImpl } from './connection.js';
-import type { Connection } from '../index.js';
 import { resolveConfig } from './config.js';
 import { contextFactory } from './browserContextFactory.js';
-
+import type { Connection } from '../index.js';
 import type { Config } from '../config.js';
 import type { BrowserContext } from 'playwright';
 import type { BrowserContextFactory } from './browserContextFactory.js';

src/tools/install.ts

@@ -16,11 +16,10 @@
 
 import { fork } from 'child_process';
 import path from 'path';
-
+import { fileURLToPath } from 'url';
 import { z } from 'zod';
 import { defineTool } from './tool.js';
 
-import { fileURLToPath } from 'node:url';
 
 const install = defineTool({
   capability: 'core-install',

tests/files.spec.ts

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-import { test, expect } from './fixtures.js';
 import fs from 'fs/promises';
+import { test, expect } from './fixtures.js';
 
 test('browser_file_upload', async ({ client, server }, testInfo) => {
   server.setContent('/', `

tests/library.spec.ts

@@ -13,9 +13,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+import child_process from 'child_process';
+import fs from 'fs/promises';
 import { test, expect } from './fixtures.js';
-import fs from 'node:fs/promises';
-import child_process from 'node:child_process';
 
 test('library can be used from CommonJS', { annotation: { type: 'issue', description: 'https://github.com/microsoft/playwright-mcp/issues/456' } }, async ({}, testInfo) => {
   const file = testInfo.outputPath('main.cjs');