Remove unused JSDevSupport module

Summary:
The `JSDevSupport` module is incompatible with Fabric. Given it's not used internally and it's undocumented in OSS, we decided to remove it altogether.

Changelog: [Internal]

Reviewed By: javache, nlutsenko

Differential Revision: D39305892

fbshipit-source-id: 82455701a0b9ba83e6f971fc774280dceb2b22e0

Libraries/Core/setUpBatchedBridge.js

@@ -20,7 +20,6 @@ if (global.RN$Bridgeless === true && global.RN$registerCallableModule) {
       | $TEMPORARY$string<'GlobalPerformanceLogger'>
       | $TEMPORARY$string<'HMRClient'>
       | $TEMPORARY$string<'HeapCapture'>
-      | $TEMPORARY$string<'JSDevSupportModule'>
       | $TEMPORARY$string<'JSTimers'>
       | $TEMPORARY$string<'RCTDeviceEventEmitter'>
       | $TEMPORARY$string<'RCTLog'>
@@ -52,9 +51,6 @@ registerModule('RCTNativeAppEventEmitter', () =>
 registerModule('GlobalPerformanceLogger', () =>
   require('../Utilities/GlobalPerformanceLogger'),
 );
-registerModule('JSDevSupportModule', () =>
-  require('../Utilities/JSDevSupportModule'),
-);
 
 if (__DEV__ && !global.__RCTProfileIsProfiling) {
   registerModule('HMRClient', () => require('../Utilities/HMRClient'));

Libraries/Utilities/JSDevSupportModule.js

@@ -1,37 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @format
- * @flow strict-local
- */
-
-import NativeJSDevSupport from './NativeJSDevSupport';
-const ReactNative = require('../Renderer/shims/ReactNative');
-
-const JSDevSupportModule = {
-  getJSHierarchy: function (tag: number) {
-    if (NativeJSDevSupport) {
-      const constants = NativeJSDevSupport.getConstants();
-      try {
-        const {computeComponentStackForErrorReporting} =
-          ReactNative.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
-        const componentStack = computeComponentStackForErrorReporting(tag);
-        if (!componentStack) {
-          NativeJSDevSupport.onFailure(
-            constants.ERROR_CODE_VIEW_NOT_FOUND,
-            "Component stack doesn't exist for tag " + tag,
-          );
-        } else {
-          NativeJSDevSupport.onSuccess(componentStack);
-        }
-      } catch (e) {
-        NativeJSDevSupport.onFailure(constants.ERROR_CODE_EXCEPTION, e.message);
-      }
-    }
-  },
-};
-
-module.exports = JSDevSupportModule;

Libraries/Utilities/NativeJSDevSupport.js

@@ -1,23 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow strict
- * @format
- */
-
-import type {TurboModule} from '../TurboModule/RCTExport';
-import * as TurboModuleRegistry from '../TurboModule/TurboModuleRegistry';
-
-export interface Spec extends TurboModule {
-  +getConstants: () => {|
-    ERROR_CODE_EXCEPTION: number,
-    ERROR_CODE_VIEW_NOT_FOUND: number,
-  |};
-  +onSuccess: (data: string) => void;
-  +onFailure: (errorCode: number, error: string) => void;
-}
-
-export default (TurboModuleRegistry.get<Spec>('JSDevSupport'): ?Spec);

ReactAndroid/src/main/java/com/facebook/react/devsupport/JSDevSupport.java

@@ -1,103 +0,0 @@
-/*
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-package com.facebook.react.devsupport;
-
-import android.util.Pair;
-import android.view.View;
-import androidx.annotation.Nullable;
-import com.facebook.fbreact.specs.NativeJSDevSupportSpec;
-import com.facebook.react.bridge.JavaScriptModule;
-import com.facebook.react.bridge.ReactApplicationContext;
-import com.facebook.react.module.annotations.ReactModule;
-import java.util.HashMap;
-import java.util.Map;
-
-@ReactModule(name = JSDevSupport.MODULE_NAME)
-public class JSDevSupport extends NativeJSDevSupportSpec {
-  public static final String MODULE_NAME = "JSDevSupport";
-
-  public static final int ERROR_CODE_EXCEPTION = 0;
-  public static final int ERROR_CODE_VIEW_NOT_FOUND = 1;
-
-  @Nullable private volatile DevSupportCallback mCurrentCallback = null;
-
-  public interface JSDevSupportModule extends JavaScriptModule {
-    void getJSHierarchy(int reactTag);
-  }
-
-  public JSDevSupport(ReactApplicationContext reactContext) {
-    super(reactContext);
-  }
-
-  public interface DevSupportCallback {
-
-    void onSuccess(String data);
-
-    void onFailure(int errorCode, Exception error);
-  }
-
-  /**
-   * Notifies the callback with either the JS hierarchy of the deepest leaf from the given root view
-   * or with an error.
-   */
-  public synchronized void computeDeepestJSHierarchy(View root, DevSupportCallback callback) {
-    final Pair<View, Integer> deepestPairView = ViewHierarchyUtil.getDeepestLeaf(root);
-    View deepestView = deepestPairView.first;
-    Integer tagId = deepestView.getId();
-    getJSHierarchy(tagId, callback);
-  }
-
-  public synchronized void getJSHierarchy(int reactTag, DevSupportCallback callback) {
-    ReactApplicationContext reactApplicationContext = getReactApplicationContextIfActiveOrWarn();
-
-    JSDevSupportModule jsDevSupportModule = null;
-    if (reactApplicationContext != null) {
-      jsDevSupportModule = reactApplicationContext.getJSModule(JSDevSupportModule.class);
-    }
-
-    if (jsDevSupportModule == null) {
-      callback.onFailure(
-          ERROR_CODE_EXCEPTION,
-          new JSCHeapCapture.CaptureException(MODULE_NAME + " module not registered."));
-      return;
-    }
-    mCurrentCallback = callback;
-    jsDevSupportModule.getJSHierarchy(reactTag);
-  }
-
-  @SuppressWarnings("unused")
-  @Override
-  public synchronized void onSuccess(String data) {
-    if (mCurrentCallback != null) {
-      mCurrentCallback.onSuccess(data);
-    }
-  }
-
-  @SuppressWarnings("unused")
-  @Override
-  public synchronized void onFailure(double errorCodeDouble, String error) {
-    int errorCode = (int) errorCodeDouble;
-
-    if (mCurrentCallback != null) {
-      mCurrentCallback.onFailure(errorCode, new RuntimeException(error));
-    }
-  }
-
-  @Override
-  public Map<String, Object> getTypedExportedConstants() {
-    HashMap<String, Object> constants = new HashMap<>();
-    constants.put("ERROR_CODE_EXCEPTION", ERROR_CODE_EXCEPTION);
-    constants.put("ERROR_CODE_VIEW_NOT_FOUND", ERROR_CODE_VIEW_NOT_FOUND);
-    return constants;
-  }
-
-  @Override
-  public String getName() {
-    return MODULE_NAME;
-  }
-}