Explain why the ConsoleTask is incomplete

Author: eps1lon

packages/react-server/src/ReactFizzThenable.js

@@ -207,6 +207,12 @@ function captureSuspendedCallSite(): void {
     owner: currentComponentStack.owner,
     stack: Error('react-stack-top-frame'),
   };
+  // TODO: If this is used in error handlers, the ConsoleTask stack
+  // will just be this debugTask + the stack of the abort() call which usually means
+  // it's just this debugTask.
+  // Ideally we'd be able to reconstruct the owner ConsoleTask as well.
+  // The stack of the debugTask would not point to the suspend location anyway.
+  // The focus is really on callsite which should be used in captureOwnerStack().
   suspendedCallSiteDebugTask = currentTask.debugTask;
 }
 export function getSuspendedCallSiteStackDEV(): ComponentStackNode | null {

packages/react-server/src/__tests__/ReactServer-test.js

@@ -9,6 +9,7 @@
  */
 
 'use strict';
+import {AsyncLocalStorage} from 'node:async_hooks';
 
 let act;
 let React;
@@ -39,10 +40,21 @@ function normalizeCodeLocInfo(str) {
   );
 }
 
+const currentTask = new AsyncLocalStorage({defaultValue: null});
+
 describe('ReactServer', () => {
   beforeEach(() => {
     jest.resetModules();
 
+    console.createTask = jest.fn(taskName => {
+      return {
+        run: taskFn => {
+          const parentTask = currentTask.getStore() || '';
+          return currentTask.run(parentTask + '\n' + taskName, taskFn);
+        },
+      };
+    });
+
     act = require('internal-test-utils').act;
     React = require('react');
     ReactNoopServer = require('react-noop-renderer/server');
@@ -91,6 +103,7 @@ describe('ReactServer', () => {
     let caughtError;
     let componentStack;
     let ownerStack;
+    let task;
     const result = ReactNoopServer.render(
       <Context value="provided">
         <App promise={new Promise(() => {})} />
@@ -100,6 +113,7 @@ describe('ReactServer', () => {
           caughtError = error;
           componentStack = errorInfo.componentStack;
           ownerStack = __DEV__ ? React.captureOwnerStack() : null;
+          task = currentTask.getStore();
         },
       },
     );
@@ -128,5 +142,6 @@ describe('ReactServer', () => {
             '\n    in App (at **)'
         : null,
     );
+    expect(task).toEqual(__DEV__ ? '\n<Component>' : null);
   });
 });