chore: restrict imports outside of the mcp.js (#456)

Author: OrKoN

eslint.config.mjs

@@ -112,6 +112,22 @@ export default defineConfig([
 
       '@stylistic/function-call-spacing': 'error',
       '@stylistic/semi': 'error',
+
+      'no-restricted-imports': [
+        'error',
+        {
+          patterns: [
+            {
+              group: [
+                '*/node_modules/chrome-devtools-frontend/*',
+                '!*/node_modules/chrome-devtools-frontend/mcp/mcp.js',
+              ],
+              message:
+                'Import devtools-frontend code only from node_modules/chrome-devtools-frontend/mcp/mcp.js',
+            },
+          ],
+        },
+      ],
     },
   },
   {

src/DevToolsConnectionAdapter.ts

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+// eslint-disable-next-line no-restricted-imports
 import {ConnectionTransport as DevToolsConnectionTransport} from '../node_modules/chrome-devtools-frontend/front_end/core/protocol_client/ConnectionTransport.js';
 
 import {type ConnectionTransport} from './third_party/index.js';

src/trace-processing/parse.ts

@@ -4,10 +4,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import {PerformanceInsightFormatter} from '../../node_modules/chrome-devtools-frontend/front_end/models/ai_assistance/data_formatters/PerformanceInsightFormatter.js';
-import {PerformanceTraceFormatter} from '../../node_modules/chrome-devtools-frontend/front_end/models/ai_assistance/data_formatters/PerformanceTraceFormatter.js';
-import {AgentFocus} from '../../node_modules/chrome-devtools-frontend/front_end/models/ai_assistance/performance/AIContext.js';
-import * as TraceEngine from '../../node_modules/chrome-devtools-frontend/front_end/models/trace/trace.js';
+import {
+  AgentFocus,
+  TraceEngine,
+  PerformanceTraceFormatter,
+  PerformanceInsightFormatter,
+} from '../../node_modules/chrome-devtools-frontend/mcp/mcp.js';
 import {logger} from '../logger.js';
 
 const engine = TraceEngine.TraceModel.Model.createWithAllHandlers();

tsconfig.json

@@ -26,6 +26,7 @@
   "include": [
     "src/**/*.ts",
     "tests/**/*.ts",
+    "node_modules/chrome-devtools-frontend/mcp/mcp.ts",
     "node_modules/chrome-devtools-frontend/front_end/legacy/legacy-defs.d.ts",
     "node_modules/chrome-devtools-frontend/front_end/models/trace",
     "node_modules/chrome-devtools-frontend/front_end/models/logs",