Download next.js/packages/next/src/next-devtools/userspace/app/forward-logs.ts from Devendra174/react-code-dataset: direct link, hf CLI and curl.
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11.7 kB
| import { configure } from 'next/dist/compiled/safe-stable-stringify' | |
| import { | |
| getOwnerStack, | |
| setOwnerStackIfAvailable, | |
| } from './errors/stitched-error' | |
| import { getErrorSource } from '../../../shared/lib/error-source' | |
| import { | |
| getTerminalLoggingConfig, | |
| getIsTerminalLoggingEnabled, | |
| } from './terminal-logging-config' | |
| import { | |
| type ConsoleEntry, | |
| type ConsoleErrorEntry, | |
| type FormattedErrorEntry, | |
| type ClientLogEntry, | |
| type LogMethod, | |
| patchConsoleMethod, | |
| UNDEFINED_MARKER, | |
| } from '../../shared/forward-logs-shared' | |
| const terminalLoggingConfig = getTerminalLoggingConfig() | |
| export const PROMISE_MARKER = 'Promise {}' | |
| export const UNAVAILABLE_MARKER = '[Unable to view]' | |
| const maximumDepth = | |
| typeof terminalLoggingConfig === 'object' && terminalLoggingConfig.depthLimit | |
| ? terminalLoggingConfig.depthLimit | |
| : 5 | |
| const maximumBreadth = | |
| typeof terminalLoggingConfig === 'object' && terminalLoggingConfig.edgeLimit | |
| ? terminalLoggingConfig.edgeLimit | |
| : 100 | |
| const stringify = configure({ | |
| maximumDepth, | |
| maximumBreadth, | |
| }) | |
| export const isTerminalLoggingEnabled = getIsTerminalLoggingEnabled() | |
| const methods: Array<LogMethod> = [ | |
| 'log', | |
| 'info', | |
| 'warn', | |
| 'debug', | |
| 'table', | |
| 'assert', | |
| 'dir', | |
| 'dirxml', | |
| 'group', | |
| 'groupCollapsed', | |
| 'groupEnd', | |
| 'trace', | |
| ] | |
| /** | |
| * allows us to: | |
| * - revive the undefined log in the server as it would look in the browser | |
| * - not read/attempt to serialize promises (next will console error if you do that, and will cause this program to infinitely recurse) | |
| * - if we read a proxy that throws (no way to detect if something is a proxy), explain to the user we can't read this data | |
| */ | |
| export function preLogSerializationClone<T>( | |
| value: T, | |
| seen = new WeakMap() | |
| ): any { | |
| if (value === undefined) return UNDEFINED_MARKER | |
| if (value === null || typeof value !== 'object') return value | |
| if (seen.has(value as object)) return seen.get(value as object) | |
| try { | |
| Object.keys(value as object) | |
| } catch { | |
| return UNAVAILABLE_MARKER | |
| } | |
| try { | |
| if (typeof (value as any).then === 'function') return PROMISE_MARKER | |
| } catch { | |
| return UNAVAILABLE_MARKER | |
| } | |
| if (Array.isArray(value)) { | |
| const out: any[] = [] | |
| seen.set(value, out) | |
| for (const item of value) { | |
| try { | |
| out.push(preLogSerializationClone(item, seen)) | |
| } catch { | |
| out.push(UNAVAILABLE_MARKER) | |
| } | |
| } | |
| return out | |
| } | |
| const proto = Object.getPrototypeOf(value) | |
| if (proto === Object.prototype || proto === null) { | |
| const out: Record<string, unknown> = {} | |
| seen.set(value as object, out) | |
| for (const key of Object.keys(value as object)) { | |
| try { | |
| out[key] = preLogSerializationClone((value as any)[key], seen) | |
| } catch { | |
| out[key] = UNAVAILABLE_MARKER | |
| } | |
| } | |
| return out | |
| } | |
| return Object.prototype.toString.call(value) | |
| } | |
| // only safe if passed safeClone data | |
| export const logStringify = (data: unknown): string => { | |
| try { | |
| const result = stringify(data) | |
| return result ?? `"${UNAVAILABLE_MARKER}"` | |
| } catch { | |
| return `"${UNAVAILABLE_MARKER}"` | |
| } | |
| } | |
| const afterThisFrame = (cb: () => void) => { | |
| let timeout: ReturnType<typeof setTimeout> | undefined | |
| const rafId = requestAnimationFrame(() => { | |
| timeout = setTimeout(() => { | |
| cb() | |
| }) | |
| }) | |
| return () => { | |
| cancelAnimationFrame(rafId) | |
| clearTimeout(timeout) | |
| } | |
| } | |
| let isPatched = false | |
| const serializeEntries = (entries: Array<ClientLogEntry>) => | |
| entries.map((clientEntry) => { | |
| switch (clientEntry.kind) { | |
| case 'any-logged-error': | |
| case 'console': { | |
| return { | |
| ...clientEntry, | |
| args: clientEntry.args.map(stringifyUserArg), | |
| } | |
| } | |
| case 'formatted-error': { | |
| return clientEntry | |
| } | |
| default: { | |
| return null! | |
| } | |
| } | |
| }) | |
| export const logQueue: { | |
| entries: Array<ClientLogEntry> | |
| onSocketReady: (socket: WebSocket) => void | |
| flushScheduled: boolean | |
| socket: WebSocket | null | |
| cancelFlush: (() => void) | null | |
| sourceType?: 'server' | 'edge-server' | |
| router: 'app' | 'pages' | null | |
| scheduleLogSend: (entry: ClientLogEntry) => void | |
| } = { | |
| entries: [], | |
| flushScheduled: false, | |
| cancelFlush: null, | |
| socket: null, | |
| sourceType: undefined, | |
| router: null, | |
| scheduleLogSend: (entry: ClientLogEntry) => { | |
| logQueue.entries.push(entry) | |
| if (logQueue.flushScheduled) { | |
| return | |
| } | |
| // safe to deref and use in setTimeout closure since we cancel on new socket | |
| const socket = logQueue.socket | |
| if (!socket) { | |
| return | |
| } | |
| // we probably dont need this | |
| logQueue.flushScheduled = true | |
| // non blocking log flush, runs at most once per frame | |
| logQueue.cancelFlush = afterThisFrame(() => { | |
| logQueue.flushScheduled = false | |
| // just incase | |
| try { | |
| const payload = JSON.stringify({ | |
| event: 'browser-logs', | |
| entries: serializeEntries(logQueue.entries), | |
| router: logQueue.router, | |
| // needed for source mapping, we just assign the sourceType from the last error for the whole batch | |
| sourceType: logQueue.sourceType, | |
| }) | |
| socket.send(payload) | |
| logQueue.entries = [] | |
| logQueue.sourceType = undefined | |
| } catch { | |
| // error (make sure u don't infinite loop) | |
| /* noop */ | |
| } | |
| }) | |
| }, | |
| onSocketReady: (socket: WebSocket) => { | |
| if (socket.readyState !== WebSocket.OPEN) { | |
| // invariant | |
| return | |
| } | |
| // incase an existing timeout was going to run with a stale socket | |
| logQueue.cancelFlush?.() | |
| logQueue.socket = socket | |
| try { | |
| const payload = JSON.stringify({ | |
| event: 'browser-logs', | |
| entries: serializeEntries(logQueue.entries), | |
| router: logQueue.router, | |
| sourceType: logQueue.sourceType, | |
| }) | |
| socket.send(payload) | |
| logQueue.entries = [] | |
| logQueue.sourceType = undefined | |
| } catch { | |
| /** noop just incase */ | |
| } | |
| }, | |
| } | |
| const stringifyUserArg = ( | |
| arg: | |
| | { | |
| kind: 'arg' | |
| data: unknown | |
| } | |
| | { | |
| kind: 'formatted-error-arg' | |
| } | |
| ) => { | |
| if (arg.kind !== 'arg') { | |
| return arg | |
| } | |
| return { | |
| ...arg, | |
| data: logStringify(arg.data), | |
| } | |
| } | |
| const createErrorArg = (error: Error) => { | |
| const stack = stackWithOwners(error) | |
| return { | |
| kind: 'formatted-error-arg' as const, | |
| prefix: error.message ? `${error.name}: ${error.message}` : `${error.name}`, | |
| stack, | |
| } | |
| } | |
| const createLogEntry = (level: LogMethod, args: any[]) => { | |
| // do not abstract this, it implicitly relies on which functions call it. forcing the inlined implementation makes you think about callers | |
| // error capture stack trace maybe | |
| const stack = stackWithOwners(new Error()) | |
| const stackLines = stack?.split('\n') | |
| const cleanStack = stackLines?.slice(3).join('\n') // this is probably ignored anyways | |
| const entry: ConsoleEntry<unknown> = { | |
| kind: 'console', | |
| consoleMethodStack: cleanStack ?? null, // depending on browser we might not have stack | |
| method: level, | |
| args: args.map((arg) => { | |
| if (arg instanceof Error) { | |
| return createErrorArg(arg) | |
| } | |
| return { | |
| kind: 'arg', | |
| data: preLogSerializationClone(arg), | |
| } | |
| }), | |
| } | |
| logQueue.scheduleLogSend(entry) | |
| } | |
| export const forwardErrorLog = (args: any[]) => { | |
| const errorObjects = args.filter((arg) => arg instanceof Error) | |
| const first = errorObjects.at(0) | |
| if (first) { | |
| const source = getErrorSource(first) | |
| if (source) { | |
| logQueue.sourceType = source | |
| } | |
| } | |
| /** | |
| * browser shows stack regardless of type of data passed to console.error, so we should do the same | |
| * | |
| * do not abstract this, it implicitly relies on which functions call it. forcing the inlined implementation makes you think about callers | |
| */ | |
| const stack = stackWithOwners(new Error()) | |
| const stackLines = stack?.split('\n') | |
| const cleanStack = stackLines?.slice(3).join('\n') | |
| const entry: ConsoleErrorEntry<unknown> = { | |
| kind: 'any-logged-error', | |
| method: 'error', | |
| consoleErrorStack: cleanStack ?? '', | |
| args: args.map((arg) => { | |
| if (arg instanceof Error) { | |
| return createErrorArg(arg) | |
| } | |
| return { | |
| kind: 'arg', | |
| data: preLogSerializationClone(arg), | |
| } | |
| }), | |
| } | |
| logQueue.scheduleLogSend(entry) | |
| } | |
| const createUncaughtErrorEntry = ( | |
| errorName: string, | |
| errorMessage: string, | |
| fullStack: string | |
| ) => { | |
| const entry: FormattedErrorEntry = { | |
| kind: 'formatted-error', | |
| prefix: `Uncaught ${errorName}: ${errorMessage}`, | |
| stack: fullStack, | |
| method: 'error', | |
| } | |
| logQueue.scheduleLogSend(entry) | |
| } | |
| const stackWithOwners = (error: Error) => { | |
| let ownerStack = '' | |
| setOwnerStackIfAvailable(error) | |
| ownerStack = getOwnerStack(error) || '' | |
| const stack = (error.stack || '') + ownerStack | |
| return stack | |
| } | |
| export function logUnhandledRejection(reason: unknown) { | |
| if (reason instanceof Error) { | |
| createUnhandledRejectionErrorEntry(reason, stackWithOwners(reason)) | |
| return | |
| } | |
| createUnhandledRejectionNonErrorEntry(reason) | |
| } | |
| const createUnhandledRejectionErrorEntry = ( | |
| error: Error, | |
| fullStack: string | |
| ) => { | |
| const source = getErrorSource(error) | |
| if (source) { | |
| logQueue.sourceType = source | |
| } | |
| const entry: ClientLogEntry = { | |
| kind: 'formatted-error', | |
| prefix: `⨯ unhandledRejection: ${error.name}: ${error.message}`, | |
| stack: fullStack, | |
| method: 'error', | |
| } | |
| logQueue.scheduleLogSend(entry) | |
| } | |
| const createUnhandledRejectionNonErrorEntry = (reason: unknown) => { | |
| const entry: ClientLogEntry = { | |
| kind: 'any-logged-error', | |
| // we can't access the stack since the event is dispatched async and creating an inline error would be meaningless | |
| consoleErrorStack: '', | |
| method: 'error', | |
| args: [ | |
| { | |
| kind: 'arg', | |
| data: `⨯ unhandledRejection:`, | |
| isRejectionMessage: true, | |
| }, | |
| { | |
| kind: 'arg', | |
| data: preLogSerializationClone(reason), | |
| }, | |
| ], | |
| } | |
| logQueue.scheduleLogSend(entry) | |
| } | |
| const isHMR = (args: any[]) => { | |
| const firstArg = args[0] | |
| if (typeof firstArg !== 'string') { | |
| return false | |
| } | |
| if (firstArg.startsWith('[Fast Refresh]')) { | |
| return true | |
| } | |
| if (firstArg.startsWith('[HMR]')) { | |
| return true | |
| } | |
| return false | |
| } | |
| const isIgnoredLog = (args: any[]) => { | |
| if (args.length < 3) { | |
| return false | |
| } | |
| const [format, styles, label] = args | |
| if ( | |
| typeof format !== 'string' || | |
| typeof styles !== 'string' || | |
| typeof label !== 'string' | |
| ) { | |
| return false | |
| } | |
| // kinda hacky, we should define a common format for these strings so we can safely ignore | |
| return format.startsWith('%c%s%c') && styles.includes('background:') | |
| } | |
| export function forwardUnhandledError(error: Error) { | |
| createUncaughtErrorEntry(error.name, error.message, stackWithOwners(error)) | |
| } | |
| // TODO: this router check is brittle, we need to update based on the current router the user is using | |
| export const initializeDebugLogForwarding = (router: 'app' | 'pages'): void => { | |
| // probably don't need this | |
| if (isPatched) { | |
| return | |
| } | |
| // TODO(rob): why does this break rendering on server, important to know incase the same bug appears in browser | |
| if (typeof window === 'undefined') { | |
| return | |
| } | |
| // better to be safe than sorry | |
| try { | |
| methods.forEach((method) => | |
| patchConsoleMethod(method, (_, ...args) => { | |
| if (isHMR(args)) { | |
| return | |
| } | |
| if (isIgnoredLog(args)) { | |
| return | |
| } | |
| createLogEntry(method, args) | |
| }) | |
| ) | |
| } catch {} | |
| logQueue.router = router | |
| isPatched = true | |
| } | |