@gaoding/hlg-logger-v2/lib/log-formater.js

module.exports = {
    formatLog(level, message, metadata, type, module) {
        if (message instanceof Error) {
            // 如果 stacktrace 有符合条件的值，则不覆盖
            if (metadata.stacktrace === undefined || !metadata.stacktrace instanceof Array) {
                metadata.stacktrace = message.stack.split('\n');
            }
            metadata.error_code = metadata.error_code || message.code;
            metadata.error_status = metadata.error_status || message.status;
            message = message.message;
        }

        return {
            env: metadata.env || '',
            level,
            log_type: type,
            timestamp: Date.now(),
            user_id: metadata.user_id || '',
            is_login: metadata.is_login === undefined ? 0 : +metadata.is_login,
            device_id: metadata.device_id || '',
            message,
            attributes: {
                module,
                request: Object.assign({
                    id: '',
                    url: '',
                    method: '',
                    ua: '',
                    ip: '',
                }, metadata.request),
                stacktrace: metadata.stacktrace || [],
                error_code: metadata.error_code || '',
                error_status: metadata.error_status || 0,
            },
        };
    },
    formatLogs(app, logs) {
        return {
            app,
            path: '/log',
            report_time: Date.now(),
            runtime: {
                plat: process.title,
                version: process.version,
            },
            list: logs,
        };
    }
};