oppi.li
source dump of claude code
1import { posix, win32 } from 'path'
2import {
3 type AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
4 logEvent,
5} from 'src/services/analytics/index.js'
6import { logForDebugging } from './debug.js'
7import { isEnvTruthy } from './envUtils.js'
8import { getPlatform } from './platform.js'
9
10// Track warnings to avoid spam — bounded to prevent unbounded memory growth
11export const MAX_WARNING_KEYS = 1000
12const warningCounts = new Map<string, number>()
13
14// Check if running from a build directory (development mode)
15// This is a sync version of the logic in getCurrentInstallationType()
16function isRunningFromBuildDirectory(): boolean {
17 let invokedPath = process.argv[1] || ''
18 let execPath = process.execPath || process.argv[0] || ''
19
20 // On Windows, convert backslashes to forward slashes for consistent path matching
21 if (getPlatform() === 'windows') {
22 invokedPath = invokedPath.split(win32.sep).join(posix.sep)
23 execPath = execPath.split(win32.sep).join(posix.sep)
24 }
25
26 const pathsToCheck = [invokedPath, execPath]
27 const buildDirs = [
28 '/build-ant/',
29 '/build-external/',
30 '/build-external-native/',
31 '/build-ant-native/',
32 ]
33
34 return pathsToCheck.some(path => buildDirs.some(dir => path.includes(dir)))
35}
36
37// Warnings we know about and want to suppress from users
38const INTERNAL_WARNINGS = [
39 /MaxListenersExceededWarning.*AbortSignal/,
40 /MaxListenersExceededWarning.*EventTarget/,
41]
42
43function isInternalWarning(warning: Error): boolean {
44 const warningStr = `${warning.name}: ${warning.message}`
45 return INTERNAL_WARNINGS.some(pattern => pattern.test(warningStr))
46}
47
48// Store reference to our warning handler so we can detect if it's already installed
49let warningHandler: ((warning: Error) => void) | null = null
50
51// For testing only - allows resetting the warning handler state
52export function resetWarningHandler(): void {
53 if (warningHandler) {
54 process.removeListener('warning', warningHandler)
55 }
56 warningHandler = null
57 warningCounts.clear()
58}
59
60export function initializeWarningHandler(): void {
61 // Only set up handler once - check if our handler is already installed
62 const currentListeners = process.listeners('warning')
63 if (warningHandler && currentListeners.includes(warningHandler)) {
64 return
65 }
66
67 // For external users, remove default Node.js handler to suppress stderr output
68 // For internal users, only keep default warnings for development builds
69 // Check development mode directly to avoid async call in init
70 // This preserves the same logic as getCurrentInstallationType() without async
71 const isDevelopment =
72 process.env.NODE_ENV === 'development' || isRunningFromBuildDirectory()
73 if (!isDevelopment) {
74 process.removeAllListeners('warning')
75 }
76
77 // Create and store our warning handler
78 warningHandler = (warning: Error) => {
79 try {
80 const warningKey = `${warning.name}: ${warning.message.slice(0, 50)}`
81 const count = warningCounts.get(warningKey) || 0
82
83 // Bound the map to prevent unbounded memory growth from unique warning keys.
84 // Once the cap is reached, new unique keys are not tracked — their
85 // occurrence_count will always be reported as 1 in analytics.
86 if (
87 warningCounts.has(warningKey) ||
88 warningCounts.size < MAX_WARNING_KEYS
89 ) {
90 warningCounts.set(warningKey, count + 1)
91 }
92
93 const isInternal = isInternalWarning(warning)
94
95 // Always log to Statsig for monitoring
96 // Include full details for ant users only, since they may contain code or filepaths
97 logEvent('tengu_node_warning', {
98 is_internal: isInternal ? 1 : 0,
99 occurrence_count: count + 1,
100 classname:
101 warning.name as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
102 ...(process.env.USER_TYPE === 'ant' && {
103 message:
104 warning.message as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
105 }),
106 })
107
108 // In debug mode, show all warnings with context
109 if (isEnvTruthy(process.env.CLAUDE_DEBUG)) {
110 const prefix = isInternal ? '[Internal Warning]' : '[Warning]'
111 logForDebugging(`${prefix} ${warning.toString()}`, { level: 'warn' })
112 }
113 // Hide all warnings from users - they are only logged to Statsig for monitoring
114 } catch {
115 // Fail silently - we don't want the warning handler to cause issues
116 }
117 }
118
119 // Install the warning handler
120 process.on('warning', warningHandler)
121}