earlyjs: Make ExceptionsManager the js interface for c++ pipeline

Summary:
The c++ pipeline needs a javascript interface.

We could just re-use exceptions manager (for now).

Changelog: [Internal]

Differential Revision: D64779068

packages/react-native/Libraries/Core/ExceptionsManager.js

@@ -141,24 +141,30 @@ let inExceptionHandler = false;
  * Logs exceptions to the (native) console and displays them
  */
 function handleException(e: mixed, isFatal: boolean) {
-  let error: Error;
-  if (e instanceof Error) {
-    error = e;
-  } else {
-    // Workaround for reporting errors caused by `throw 'some string'`
-    // Unfortunately there is no way to figure out the stacktrace in this
-    // case, so if you ended up here trying to trace an error, look for
-    // `throw '<error message>'` somewhere in your codebase.
-    error = new SyntheticError(e);
-  }
-  try {
-    inExceptionHandler = true;
-    /* $FlowFixMe[class-object-subtyping] added when improving typing for this
-     * parameters */
-    // $FlowFixMe[incompatible-call]
-    reportException(error, isFatal, /*reportToConsole*/ true);
-  } finally {
-    inExceptionHandler = false;
+  // TODO(T196834299): We should really use a c++ turbomodule for this
+  if (
+    !global.RN$handleException ||
+    !global.RN$handleException(e, isFatal)
+  ) {
+    let error: Error;
+    if (e instanceof Error) {
+      error = e;
+    } else {
+      // Workaround for reporting errors caused by `throw 'some string'`
+      // Unfortunately there is no way to figure out the stacktrace in this
+      // case, so if you ended up here trying to trace an error, look for
+      // `throw '<error message>'` somewhere in your codebase.
+      error = new SyntheticError(e);
+    }
+    try {
+      inExceptionHandler = true;
+      /* $FlowFixMe[class-object-subtyping] added when improving typing for this
+       * parameters */
+      // $FlowFixMe[incompatible-call]
+      reportException(error, isFatal, /*reportToConsole*/ true);
+    } finally {
+      inExceptionHandler = false;
+    }
   }
 }
 

packages/react-native/Libraries/Core/setUpErrorHandling.js

@@ -21,13 +21,7 @@ ExceptionsManager.installConsoleErrorReporter();
 if (!global.__fbDisableExceptionsManager) {
   const handleError = (e: mixed, isFatal: boolean) => {
     try {
-      // TODO(T196834299): We should really use a c++ turbomodule for this
-      if (
-        !global.RN$handleException ||
-        !global.RN$handleException(e, isFatal)
-      ) {
-        ExceptionsManager.handleException(e, isFatal);
-      }
+      ExceptionsManager.handleException(e, isFatal);
     } catch (ee) {
       console.log('Failed to print error: ', ee.message);
       throw e;