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| /** | |
| * Secure Development Logger | |
| * | |
| * This logger only works in development mode and sanitizes all sensitive data. | |
| * In production, all logging is disabled to prevent credential leaks. | |
| */ | |
| const isDevelopment = (typeof import.meta !== 'undefined' && import.meta.env?.MODE === 'development') || process.env.NODE_ENV === 'development'; | |
| // List of sensitive patterns to redact | |
| const SENSITIVE_PATTERNS = [ | |
| /api[_-]?key/i, | |
| /token/i, | |
| /secret/i, | |
| /password/i, | |
| /auth/i, | |
| /credential/i, | |
| /bearer/i, | |
| /session[_-]?id/i, | |
| /user[_-]?id/i, | |
| /gemma/i, | |
| /supabase/i, | |
| /vite_/i | |
| ]; | |
| // Sanitize sensitive data from objects and strings | |
| function sanitizeData(data: any): any { | |
| if (data instanceof Error) { | |
| return { | |
| name: data.name, | |
| message: data.message, | |
| }; | |
| } | |
| if (typeof data === 'string') { | |
| // Redact sensitive strings | |
| for (const pattern of SENSITIVE_PATTERNS) { | |
| if (pattern.test(data)) { | |
| return '[REDACTED]'; | |
| } | |
| } | |
| return data; | |
| } | |
| if (typeof data === 'object' && data !== null) { | |
| if (Array.isArray(data)) { | |
| return data.map(sanitizeData); | |
| } | |
| const sanitized: any = {}; | |
| for (const [key, value] of Object.entries(data)) { | |
| // Check if key looks sensitive | |
| const isSensitiveKey = SENSITIVE_PATTERNS.some(pattern => pattern.test(key)); | |
| if (isSensitiveKey) { | |
| sanitized[key] = '[REDACTED]'; | |
| } else { | |
| sanitized[key] = sanitizeData(value); | |
| } | |
| } | |
| return sanitized; | |
| } | |
| return data; | |
| } | |
| // Safe logger that only works in development | |
| export const logger = { | |
| log: (...args: any[]) => { | |
| if (!isDevelopment) return; | |
| const sanitizedArgs = args.map(sanitizeData); | |
| console.log(...sanitizedArgs); | |
| }, | |
| error: (...args: any[]) => { | |
| if (!isDevelopment) return; | |
| const sanitizedArgs = args.map(sanitizeData); | |
| console.error(...sanitizedArgs); | |
| }, | |
| warn: (...args: any[]) => { | |
| if (!isDevelopment) return; | |
| const sanitizedArgs = args.map(sanitizeData); | |
| console.warn(...sanitizedArgs); | |
| }, | |
| info: (...args: any[]) => { | |
| if (!isDevelopment) return; | |
| const sanitizedArgs = args.map(sanitizeData); | |
| console.info(...sanitizedArgs); | |
| }, | |
| debug: (...args: any[]) => { | |
| if (!isDevelopment) return; | |
| const sanitizedArgs = args.map(sanitizeData); | |
| console.debug(...sanitizedArgs); | |
| } | |
| }; | |
| // Production-safe performance monitoring | |
| export const performanceLogger = { | |
| time: (label: string) => { | |
| if (!isDevelopment) return; | |
| console.time(label); | |
| }, | |
| timeEnd: (label: string) => { | |
| if (!isDevelopment) return; | |
| console.timeEnd(label); | |
| } | |
| }; | |
| export default logger; |