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Prefix owner stacks added to the console.log with the current stack
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The current stack is available in the native UI but that's hidden by default
so you don't see the actual current component on the stack.

This is unlike the native async stacks UI where they're all together.

So we prefix the stack with the current stack first.
@sebmarkbage
sebmarkbage committed Jul 23, 2024
1 parent 7048484 commit 7a614e2
Showing 4 changed files with 46 additions and 53 deletions.
4 changes: 2 additions & 2 deletions packages/react-devtools-shared/src/__tests__/componentStacks-test.js
View file
Original file line number Diff line number Diff line change
@@ -56,13 +56,13 @@ describe('component stack', () => {

expect(mockError).toHaveBeenCalledWith(
'Test error.',
(supportsOwnerStacks ? '' : '\n in Child (at **)') +
'\n in Child (at **)' +
'\n in Parent (at **)' +
'\n in Grandparent (at **)',
);
expect(mockWarn).toHaveBeenCalledWith(
'Test warning.',
(supportsOwnerStacks ? '' : '\n in Child (at **)') +
'\n in Child (at **)' +
'\n in Parent (at **)' +
'\n in Grandparent (at **)',
);
21 changes: 12 additions & 9 deletions packages/react-devtools-shared/src/__tests__/console-test.js
View file
Original file line number Diff line number Diff line change
@@ -232,15 +232,15 @@ describe('console', () => {
expect(mockWarn.mock.calls[0][0]).toBe('warn');
expect(normalizeCodeLocInfo(mockWarn.mock.calls[0][1])).toEqual(
supportsOwnerStacks
? '\n in Parent (at **)'
? '\n in Child (at **)\n in Parent (at **)'
: '\n in Child (at **)\n in Intermediate (at **)\n in Parent (at **)',
);
expect(mockError).toHaveBeenCalledTimes(1);
expect(mockError.mock.calls[0]).toHaveLength(2);
expect(mockError.mock.calls[0][0]).toBe('error');
expect(normalizeCodeLocInfo(mockError.mock.calls[0][1])).toBe(
supportsOwnerStacks
? '\n in Parent (at **)'
? '\n in Child (at **)\n in Parent (at **)'
: '\n in Child (at **)\n in Intermediate (at **)\n in Parent (at **)',
);
});
@@ -279,7 +279,8 @@ describe('console', () => {
expect(mockWarn.mock.calls[0][0]).toBe('active warn');
expect(normalizeCodeLocInfo(mockWarn.mock.calls[0][1])).toEqual(
supportsOwnerStacks
? '\n in Parent (at **)'
? // TODO: It would be nice to have a Child stack frame here since it's just the effect function.
'\n in Parent (at **)'
: '\n in Child (at **)\n in Intermediate (at **)\n in Parent (at **)',
);
expect(mockWarn.mock.calls[1]).toHaveLength(2);
@@ -497,15 +498,15 @@ describe('console', () => {
expect(mockWarn.mock.calls[0][0]).toBe('warn');
expect(normalizeCodeLocInfo(mockWarn.mock.calls[0][1])).toEqual(
supportsOwnerStacks
? '\n in Parent (at **)'
? '\n in Child (at **)\n in Parent (at **)'
: '\n in Child (at **)\n in Intermediate (at **)\n in Parent (at **)',
);
expect(mockError).toHaveBeenCalledTimes(1);
expect(mockError.mock.calls[0]).toHaveLength(2);
expect(mockError.mock.calls[0][0]).toBe('error');
expect(normalizeCodeLocInfo(mockError.mock.calls[0][1])).toBe(
supportsOwnerStacks
? '\n in Parent (at **)'
? '\n in Child (at **)\n in Parent (at **)'
: '\n in Child (at **)\n in Intermediate (at **)\n in Parent (at **)',
);
});
@@ -1032,7 +1033,7 @@ describe('console', () => {
expect(mockWarn.mock.calls[0]).toHaveLength(2);
expect(normalizeCodeLocInfo(mockWarn.mock.calls[0][1])).toEqual(
supportsOwnerStacks
? '\n in Parent (at **)'
? '\n in Child (at **)\n in Parent (at **)'
: '\n in Child (at **)\n in Intermediate (at **)\n in Parent (at **)',
);
expect(mockWarn.mock.calls[1]).toHaveLength(3);
@@ -1042,15 +1043,16 @@ describe('console', () => {
expect(mockWarn.mock.calls[1][1]).toMatch('warn');
expect(normalizeCodeLocInfo(mockWarn.mock.calls[1][2]).trim()).toEqual(
supportsOwnerStacks
? 'in Parent (at **)'
? 'in Object.overrideMethod (at **)' + // TODO: This leading frame is due to our extra wrapper that shouldn't exist.
'\n in Child (at **)\n in Parent (at **)'
: 'in Child (at **)\n in Intermediate (at **)\n in Parent (at **)',
);

expect(mockError).toHaveBeenCalledTimes(2);
expect(mockError.mock.calls[0]).toHaveLength(2);
expect(normalizeCodeLocInfo(mockError.mock.calls[0][1])).toEqual(
supportsOwnerStacks
? '\n in Parent (at **)'
? '\n in Child (at **)\n in Parent (at **)'
: '\n in Child (at **)\n in Intermediate (at **)\n in Parent (at **)',
);
expect(mockError.mock.calls[1]).toHaveLength(3);
@@ -1060,7 +1062,8 @@ describe('console', () => {
expect(mockError.mock.calls[1][1]).toEqual('error');
expect(normalizeCodeLocInfo(mockError.mock.calls[1][2]).trim()).toEqual(
supportsOwnerStacks
? 'in Parent (at **)'
? 'in Object.overrideMethod (at **)' + // TODO: This leading frame is due to our extra wrapper that shouldn't exist.
'\n in Child (at **)\n in Parent (at **)'
: 'in Child (at **)\n in Intermediate (at **)\n in Parent (at **)',
);
});
29 changes: 0 additions & 29 deletions packages/react-devtools-shared/src/backend/DevToolsFiberComponentStack.js
View file
Original file line number Diff line number Diff line change
@@ -121,13 +121,6 @@ export function supportsOwnerStacks(fiber: Fiber): boolean {
return fiber._debugStack !== undefined;
}

function describeFunctionComponentFrameWithoutLineNumber(fn: Function): string {
// We use this because we don't actually want to describe the line of the component
// but just the component name.
const name = fn ? fn.displayName || fn.name : '';
return name ? describeBuiltInComponentFrame(name) : '';
}

export function getOwnerStackByFiberInDev(
workTagMap: WorkTagMap,
workInProgress: Fiber,
@@ -140,10 +133,6 @@ export function getOwnerStackByFiberInDev(
HostComponent,
SuspenseComponent,
SuspenseListComponent,
FunctionComponent,
SimpleMemoComponent,
ForwardRef,
ClassComponent,
} = workTagMap;
try {
let info = '';
@@ -173,24 +162,6 @@ export function getOwnerStackByFiberInDev(
case SuspenseListComponent:
info += describeBuiltInComponentFrame('SuspenseList');
break;
case FunctionComponent:
case SimpleMemoComponent:
case ClassComponent:
if (!workInProgress._debugOwner && info === '') {
// Only if we have no other data about the callsite do we add
// the component name as the single stack frame.
info += describeFunctionComponentFrameWithoutLineNumber(
workInProgress.type,
);
}
break;
case ForwardRef:
if (!workInProgress._debugOwner && info === '') {
info += describeFunctionComponentFrameWithoutLineNumber(
workInProgress.type.render,
);
}
break;
}

let owner: void | null | Fiber | ReactComponentInfo = workInProgress;
45 changes: 32 additions & 13 deletions packages/react-devtools-shared/src/backend/console.js
View file
Original file line number Diff line number Diff line change
@@ -32,6 +32,7 @@ import {
supportsOwnerStacks,
supportsNativeConsoleTasks,
} from './DevToolsFiberComponentStack';
import {formatOwnerStack} from './DevToolsOwnerStack';
import {castBool, castBrowserTheme} from '../utils';

const OVERRIDE_CONSOLE_METHODS = ['error', 'trace', 'warn'];
@@ -252,17 +253,31 @@ export function patch({
consoleSettingsRef.appendComponentStack &&
!supportsNativeConsoleTasks(current)
) {
const componentStack = supportsOwnerStacks(current)
? getOwnerStackByFiberInDev(
workTagMap,
current,
(currentDispatcherRef: any),
)
: getStackByFiberInDevAndProd(
workTagMap,
current,
(currentDispatcherRef: any),
);
const enableOwnerStacks = supportsOwnerStacks(current);
let componentStack = '';
if (supportsOwnerStacks(current)) {
// Prefix the owner stack with the current stack. I.e. what called
// console.error. While this will also be part of the native stack,
// it is hidden and not presented alongside this argument so we print
// them all together.
const topStackFrames = formatOwnerStack(
new Error('react-stack-top-frame'),
);
if (topStackFrames) {
componentStack += '\n' + topStackFrames;
}
componentStack += getOwnerStackByFiberInDev(
workTagMap,
current,
(currentDispatcherRef: any),
);
} else {
componentStack = getStackByFiberInDevAndProd(
workTagMap,
current,
(currentDispatcherRef: any),
);
}
if (componentStack !== '') {
// Create a fake Error so that when we print it we get native source maps. Every
// browser will print the .stack property of the error and then parse it back for source
@@ -272,13 +287,17 @@ export function patch({
// In Chromium, only the stack property is printed but in Firefox the <name>:<message>
// gets printed so to make the colon make sense, we name it so we print Component Stack:
// and similarly Safari leave an expandable slot.
fakeError.name = 'Component Stack'; // This gets printed
fakeError.name = enableOwnerStacks
? 'Stack'
: 'Component Stack'; // This gets printed
// In Chromium, the stack property needs to start with ^[\w.]*Error\b to trigger stack
// formatting. Otherwise it is left alone. So we prefix it. Otherwise we just override it
// to our own stack.
fakeError.stack =
__IS_CHROME__ || __IS_EDGE__
? 'Error Component Stack:' + componentStack
? (enableOwnerStacks
? 'Error Stack:'
: 'Error Component Stack:') + componentStack
: componentStack;
if (alreadyHasComponentStack) {
// Only modify the component stack if it matches what we would've added anyway.

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