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source dump of claude code forked from oppi.li/claude-code
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4.5 kB · 121 lines
TypeScript
at main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122import { posix, win32 } from 'path'import { type AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS, logEvent,} from 'src/services/analytics/index.js'import { logForDebugging } from './debug.js'import { isEnvTruthy } from './envUtils.js'import { getPlatform } from './platform.js'
// Track warnings to avoid spam — bounded to prevent unbounded memory growthexport const MAX_WARNING_KEYS = 1000const warningCounts = new Map<string, number>()
// Check if running from a build directory (development mode)// This is a sync version of the logic in getCurrentInstallationType()function isRunningFromBuildDirectory(): boolean { let invokedPath = process.argv[1] || '' let execPath = process.execPath || process.argv[0] || ''
// On Windows, convert backslashes to forward slashes for consistent path matching if (getPlatform() === 'windows') { invokedPath = invokedPath.split(win32.sep).join(posix.sep) execPath = execPath.split(win32.sep).join(posix.sep) }
const pathsToCheck = [invokedPath, execPath] const buildDirs = [ '/build-ant/', '/build-external/', '/build-external-native/', '/build-ant-native/', ]
return pathsToCheck.some(path => buildDirs.some(dir => path.includes(dir)))}
// Warnings we know about and want to suppress from usersconst INTERNAL_WARNINGS = [ /MaxListenersExceededWarning.*AbortSignal/, /MaxListenersExceededWarning.*EventTarget/,]
function isInternalWarning(warning: Error): boolean { const warningStr = `${warning.name}: ${warning.message}` return INTERNAL_WARNINGS.some(pattern => pattern.test(warningStr))}
// Store reference to our warning handler so we can detect if it's already installedlet warningHandler: ((warning: Error) => void) | null = null
// For testing only - allows resetting the warning handler stateexport function resetWarningHandler(): void { if (warningHandler) { process.removeListener('warning', warningHandler) } warningHandler = null warningCounts.clear()}
export function initializeWarningHandler(): void { // Only set up handler once - check if our handler is already installed const currentListeners = process.listeners('warning') if (warningHandler && currentListeners.includes(warningHandler)) { return }
// For external users, remove default Node.js handler to suppress stderr output // For internal users, only keep default warnings for development builds // Check development mode directly to avoid async call in init // This preserves the same logic as getCurrentInstallationType() without async const isDevelopment = process.env.NODE_ENV === 'development' || isRunningFromBuildDirectory() if (!isDevelopment) { process.removeAllListeners('warning') }
// Create and store our warning handler warningHandler = (warning: Error) => { try { const warningKey = `${warning.name}: ${warning.message.slice(0, 50)}` const count = warningCounts.get(warningKey) || 0
// Bound the map to prevent unbounded memory growth from unique warning keys. // Once the cap is reached, new unique keys are not tracked — their // occurrence_count will always be reported as 1 in analytics. if ( warningCounts.has(warningKey) || warningCounts.size < MAX_WARNING_KEYS ) { warningCounts.set(warningKey, count + 1) }
const isInternal = isInternalWarning(warning)
// Always log to Statsig for monitoring // Include full details for ant users only, since they may contain code or filepaths logEvent('tengu_node_warning', { is_internal: isInternal ? 1 : 0, occurrence_count: count + 1, classname: warning.name as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS, ...(process.env.USER_TYPE === 'ant' && { message: warning.message as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS, }), })
// In debug mode, show all warnings with context if (isEnvTruthy(process.env.CLAUDE_DEBUG)) { const prefix = isInternal ? '[Internal Warning]' : '[Warning]' logForDebugging(`${prefix} ${warning.toString()}`, { level: 'warn' }) } // Hide all warnings from users - they are only logged to Statsig for monitoring } catch { // Fail silently - we don't want the warning handler to cause issues } }
// Install the warning handler process.on('warning', warningHandler)}