🤖 Merge PR DefinitelyTyped#74992 [chrome-remote-interface] expose CDP.ProtocolError for v0.34.0 by @madisonrickert

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: madisonrickert

types/chrome-remote-interface/chrome-remote-interface-tests.ts

@@ -408,3 +408,26 @@ CDP.Activate({ id: "CC46FBFA-3BDA-493B-B2E4-2BE6EB0D97EC" }, (err) => {
 CDP.Version((err, info) => {
     if (!err) {}
 });
+
+(async () => {
+    const client = await CDP();
+    try {
+        await client.send("Page.navigate", { url: "https://github.com" });
+    } catch (err) {
+        if (err instanceof CDP.ProtocolError) {
+            // $ExpectType ProtocolErrorRequest
+            err.request;
+            // $ExpectType string
+            err.request.method;
+            // $ExpectType SendError
+            err.response;
+            // $ExpectType number
+            err.response.code;
+            // $ExpectType string
+            err.response.message;
+        }
+    }
+
+    // @ts-expect-error
+    new CDP.ProtocolError({} as any, {} as any);
+})();

types/chrome-remote-interface/index.d.ts

@@ -1,6 +1,12 @@
 import type ProtocolMappingApi from "devtools-protocol/types/protocol-mapping";
 import type ProtocolProxyApi from "devtools-protocol/types/protocol-proxy-api";
 
+declare class ProtocolError extends Error {
+    private constructor();
+    readonly request: CDP.ProtocolErrorRequest;
+    readonly response: CDP.SendError;
+}
+
 declare namespace CDP {
     interface BaseOptions {
         host?: string | undefined;
@@ -44,6 +50,12 @@ declare namespace CDP {
         data?: string | undefined;
     }
 
+    interface ProtocolErrorRequest {
+        method: string;
+        params?: object | undefined;
+        sessionId?: string | undefined;
+    }
+
     interface SendCallback<T extends keyof ProtocolMappingApi.Commands> {
         (error: true, response: SendError): void;
         (error: false, response: ProtocolMappingApi.Commands[T]["returnType"]): void;
@@ -430,6 +442,8 @@ declare const CDP: {
     Version(options: CDP.BaseOptions, callback: (err: Error | null, info: CDP.VersionResult) => void): void;
     Version(callback: (err: Error | null, info: CDP.VersionResult) => void): void;
     Version(options?: CDP.BaseOptions): Promise<CDP.VersionResult>;
+
+    readonly ProtocolError: typeof ProtocolError;
 };
 
 export = CDP;

types/chrome-remote-interface/package.json

@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@types/chrome-remote-interface",
-    "version": "0.33.9999",
+    "version": "0.34.9999",
     "projects": [
         "https://github.com/cyrus-and/chrome-remote-interface"
     ],