ckriti/HuggingClaw

1/**2 * Structured Logger for OpenClaw3 * Provides consistent JSON logging for HF Spaces4 */5 6const fs = require('fs');7const path = require('path');8 9// Ensure logs directory exists10const LOG_DIR = path.join(process.env.HOME || '/home/node', 'logs');11if (!fs.existsSync(LOG_DIR)) {12    try {13        fs.mkdirSync(LOG_DIR, { recursive: true });14    } catch (e) {15        // Ignore if we can't create it (might be read-only or race condition)16    }17}18 19const LOG_FILE = path.join(LOG_DIR, 'app.json.log');20 21class Logger {22    constructor(moduleName) {23        this.module = moduleName;24    }25 26    _log(level, message, data = {}) {27        const entry = {28            timestamp: new Date().toISOString(),29            level: level.toUpperCase(),30            module: this.module,31            message,32            ...data33        };34 35        const jsonLine = JSON.stringify(entry);36        37        // Write to stdout for HF Logs visibility38        console.log(jsonLine);39 40        // Also append to local file for persistence within container life41        try {42            fs.appendFileSync(LOG_FILE, jsonLine + '\n');43        } catch (e) {44            // Fallback if file write fails45            console.error(`[LOGGER_FAIL] Could not write to log file: ${e.message}`);46        }47    }48 49    info(message, data) { this._log('INFO', message, data); }50    warn(message, data) { this._log('WARN', message, data); }51    error(message, data) { this._log('ERROR', message, data); }52    debug(message, data) { this._log('DEBUG', message, data); }53    54    // Special method for critical state changes55    state(stateName, previousState, newState, data) {56        this._log('STATE_CHANGE', `State changed: ${stateName}`, {57            previousState,58            newState,59            ...data60        });61    }62}63 64module.exports = (moduleName) => new Logger(moduleName);65