Remove prefersFuseboxFrontend from event reporter (#55549)

Summary:
Pull Request resolved: #55549

**Context**

Clean up the legacy `rn_inspector.html` entry point. React Native DevTools has been the default since 0.76, and we have now removed all internal dependencies at Meta.

**This diff**

- Remove `prefersFuseboxFrontend` metadata from `unstable_eventReporter` API.

Changelog: [Internal]

Reviewed By: vzaidman

Differential Revision: D93247602

fbshipit-source-id: 278f847433259c98deb121562e34a12ff59058a2

Author: huntie

packages/dev-middleware/src/inspector-proxy/Device.js

@@ -457,9 +457,6 @@ export default class Device {
       this.#deviceEventReporter?.logRequest(debuggerRequest, 'debugger', {
         pageId: debuggerInfo.pageId,
         frontendUserAgent: userAgent,
-        prefersFuseboxFrontend: this.#isPageFuseboxFrontend(
-          debuggerInfo.pageId,
-        ),
       });
       let processedReq = debuggerRequest;
 
@@ -680,7 +677,6 @@ export default class Device {
         this.#deviceEventReporter?.logResponse(parsedPayload, 'device', {
           pageId,
           frontendUserAgent: debuggerConnection.userAgent ?? null,
-          prefersFuseboxFrontend: this.#isPageFuseboxFrontend(pageId),
         });
       }
 
@@ -760,7 +756,6 @@ export default class Device {
       this.#deviceEventReporter?.logRequest(message, 'proxy', {
         pageId,
         frontendUserAgent: reloadablePageDebugger.userAgent ?? null,
-        prefersFuseboxFrontend: this.#isPageFuseboxFrontend(pageId),
       });
       this.#sendMessageToDevice({
         event: 'wrappedEvent',
@@ -911,9 +906,6 @@ export default class Device {
       this.#deviceEventReporter?.logRequest(resumeMessage, 'proxy', {
         pageId: debuggerInfo.pageId,
         frontendUserAgent: debuggerInfo.userAgent ?? null,
-        prefersFuseboxFrontend: this.#isPageFuseboxFrontend(
-          debuggerInfo.pageId,
-        ),
       });
       this.#sendMessageToDevice({
         event: 'wrappedEvent',
@@ -984,7 +976,6 @@ export default class Device {
         this.#deviceEventReporter?.logResponse(response, 'proxy', {
           pageId,
           frontendUserAgent: debuggerInfo.userAgent ?? null,
-          prefersFuseboxFrontend: this.#isPageFuseboxFrontend(pageId),
         });
         return null;
       default:
@@ -1064,7 +1055,6 @@ export default class Device {
       this.#deviceEventReporter?.logResponse(response, 'proxy', {
         pageId,
         frontendUserAgent: debuggerInfo.userAgent ?? null,
-        prefersFuseboxFrontend: this.#isPageFuseboxFrontend(pageId),
       });
     };
     const sendErrorResponse = (error: string) => {
@@ -1079,7 +1069,6 @@ export default class Device {
       this.#deviceEventReporter?.logResponse(response, 'proxy', {
         pageId,
         frontendUserAgent: debuggerInfo.userAgent ?? null,
-        prefersFuseboxFrontend: this.#isPageFuseboxFrontend(pageId),
       });
     };
 
@@ -1169,15 +1158,6 @@ export default class Device {
     }
   }
 
-  #isPageFuseboxFrontend(pageId: ?string): boolean | null {
-    const page = pageId == null ? null : this.#pages.get(pageId);
-    if (page == null) {
-      return null;
-    }
-
-    return this.#pageHasCapability(page, 'prefersFuseboxFrontend');
-  }
-
   dangerouslyGetSocket(): WS {
     return this.#deviceSocket;
   }

packages/dev-middleware/src/inspector-proxy/DeviceEventReporter.js

@@ -30,13 +30,11 @@ type DeviceMetadata = Readonly<{
 type RequestMetadata = Readonly<{
   pageId: string | null,
   frontendUserAgent: string | null,
-  prefersFuseboxFrontend: boolean | null,
 }>;
 
 type ResponseMetadata = Readonly<{
   pageId: string | null,
   frontendUserAgent: string | null,
-  prefersFuseboxFrontend: boolean | null,
 }>;
 
 class DeviceEventReporter {
@@ -101,7 +99,6 @@ class DeviceEventReporter {
         deviceName: this.#metadata.deviceName,
         pageId: metadata.pageId,
         frontendUserAgent: metadata.frontendUserAgent,
-        prefersFuseboxFrontend: metadata.prefersFuseboxFrontend,
         connectionUptime: this.#deviceConnectedTimestamp - Date.now(),
       });
       return;
@@ -128,7 +125,6 @@ class DeviceEventReporter {
         deviceName: this.#metadata.deviceName,
         pageId: pendingCommand.metadata.pageId,
         frontendUserAgent: pendingCommand.metadata.frontendUserAgent,
-        prefersFuseboxFrontend: metadata.prefersFuseboxFrontend,
         connectionUptime: this.#deviceConnectedTimestamp - Date.now(),
       });
       return;
@@ -146,7 +142,6 @@ class DeviceEventReporter {
       deviceName: this.#metadata.deviceName,
       pageId: pendingCommand.metadata.pageId,
       frontendUserAgent: pendingCommand.metadata.frontendUserAgent,
-      prefersFuseboxFrontend: metadata.prefersFuseboxFrontend,
       connectionUptime: this.#deviceConnectedTimestamp - Date.now(),
     });
   }
@@ -204,7 +199,6 @@ class DeviceEventReporter {
         deviceName: this.#metadata.deviceName,
         pageId: pendingCommand.metadata.pageId,
         frontendUserAgent: pendingCommand.metadata.frontendUserAgent,
-        prefersFuseboxFrontend: pendingCommand.metadata.prefersFuseboxFrontend,
         connectionUptime: this.#deviceConnectedTimestamp - Date.now(),
       });
     }
@@ -246,7 +240,6 @@ class DeviceEventReporter {
       deviceName: this.#metadata.deviceName,
       pageId: pendingCommand.metadata.pageId,
       frontendUserAgent: pendingCommand.metadata.frontendUserAgent,
-      prefersFuseboxFrontend: pendingCommand.metadata.prefersFuseboxFrontend,
       connectionUptime: this.#deviceConnectedTimestamp - Date.now(),
     });
   }

packages/dev-middleware/src/inspector-proxy/types.js

@@ -31,13 +31,6 @@ export type TargetCapabilityFlags = Readonly<{
    */
   nativeSourceCodeFetching?: boolean,
 
-  /**
-   * The target supports the modern `rn_fusebox.html` entry point.
-   *
-   * In the launch flow, this controls the Chrome DevTools entrypoint that is used.
-   */
-  prefersFuseboxFrontend?: boolean,
-
   /**
    * The target supports multiple concurrent debugger connections.
    *

packages/dev-middleware/src/middleware/openDebuggerMiddleware.js

@@ -240,7 +240,6 @@ export default function openDebuggerMiddleware({
           pageId: target.id,
           deviceName: target.deviceName,
           targetDescription: target.description,
-          prefersFuseboxFrontend: true,
         });
         return;
       } catch (e) {

packages/dev-middleware/src/types/EventReporter.js

@@ -18,7 +18,6 @@ type SuccessResult<Props: {...} | void = {}> = {
 type ErrorResult<ErrorT = unknown, Props: {...} | void = {}> = {
   status: 'error',
   error: ErrorT,
-  prefersFuseboxFrontend?: ?boolean,
   ...Props,
 };
 
@@ -46,7 +45,6 @@ export type ReportableEvent =
       ...
         | SuccessResult<{
             targetDescription: string,
-            prefersFuseboxFrontend: boolean,
             ...DebuggerSessionIDs,
           }>
         | ErrorResult<unknown>
@@ -72,7 +70,6 @@ export type ReportableEvent =
       ...DebuggerSessionIDs,
       ...ConnectionUptime,
       frontendUserAgent: string | null,
-      prefersFuseboxFrontend: boolean | null,
       ...
         | SuccessResult<void>
         | CodedErrorResult<