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packages/react-devtools-shared/src/backend/shared/DevToolsOwnerStack.js
46 строк
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Sebastian Markbåge
[DevTools] Add structure full stack parsing to DevTools (#34093)
04 авг 2025, 16:37
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04 авг 2025, 16:37
557745e
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/** * 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 */ // This is a DevTools fork of shared/ReactOwnerStackFrames. export function formatOwnerStack(error: Error): string { const prevPrepareStackTrace = Error.prepareStackTrace; // $FlowFixMe[incompatible-type] It does accept undefined. Error.prepareStackTrace = undefined; let stack = error.stack; Error.prepareStackTrace = prevPrepareStackTrace; if (stack.startsWith('Error: react-stack-top-frame\n')) { // V8's default formatting prefixes with the error message which we // don't want/need. stack = stack.slice(29); } let idx = stack.indexOf('\n'); if (idx !== -1) { // Pop the JSX frame. stack = stack.slice(idx + 1); } idx = stack.indexOf('react_stack_bottom_frame'); if (idx === -1) { idx = stack.indexOf('react-stack-bottom-frame'); } if (idx !== -1) { idx = stack.lastIndexOf('\n', idx); } if (idx !== -1) { // Cut off everything after the bottom frame since it'll be internals. stack = stack.slice(0, idx); } else { // We didn't find any internal callsite out to user space. // This means that this was called outside an owner or the owner is fully internal. // To keep things light we exclude the entire trace in this case. return ''; } return stack; }