webappengine/dist/app/lib/log.js

A web application server that can host multiple web apps running with Node.js.

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _cluster = require('cluster');

var _cluster2 = _interopRequireDefault(_cluster);

var _util = require('util');

var _util2 = _interopRequireDefault(_util);

var _winston = require('winston');

var _winston2 = _interopRequireDefault(_winston);

var _settings = require('../config/settings');

var _settings2 = _interopRequireDefault(_settings);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var meta = function meta() {
    var meta = {};
    if (_cluster2.default.isMaster) {
        meta.id = 0;
        meta.pid = process.pid;
    } else if (_cluster2.default.isWorker) {
        meta.id = _cluster2.default.worker.id;
        meta.pid = _cluster2.default.worker.process.pid;
    }
    return { meta: meta };
};

// https://code.google.com/p/v8/wiki/JavaScriptStackTraceApi
var getStackTrace = function getStackTrace() {
    var obj = {};
    Error.captureStackTrace(obj, getStackTrace);
    return (obj.stack || '').split('\n');
};

var prefix = [];
var logger = new _winston2.default.Logger({
    exitOnError: false,
    level: _settings2.default.winston.level,
    transports: [new _winston2.default.transports.Console({
        colorize: true,
        timestamp: true,
        handleExceptions: true,
        json: false
    })]
});

exports.default = {
    logger: logger,
    log: function log() {
        for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
            args[_key] = arguments[_key];
        }

        var level = args.shift();
        var stackTrace = getStackTrace()[2];
        logger.log(level, _util2.default.format.apply(_util2.default.format, prefix.concat(args).concat(stackTrace)), meta());
    },
    debug: function debug() {
        var stackTrace = getStackTrace()[2];

        for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
            args[_key2] = arguments[_key2];
        }

        logger.debug(_util2.default.format.apply(_util2.default.format, prefix.concat(args).concat(stackTrace)), meta());
    },
    verbose: function verbose() {
        var stackTrace = getStackTrace()[2];

        for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
            args[_key3] = arguments[_key3];
        }

        logger.verbose(_util2.default.format.apply(_util2.default.format, prefix.concat(args).concat(stackTrace)), meta());
    },
    info: function info() {
        var stackTrace = getStackTrace()[2];

        for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
            args[_key4] = arguments[_key4];
        }

        logger.info(_util2.default.format.apply(_util2.default.format, prefix.concat(args).concat(stackTrace)), meta());
    },
    warn: function warn() {
        var stackTrace = getStackTrace()[2];

        for (var _len5 = arguments.length, args = Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
            args[_key5] = arguments[_key5];
        }

        logger.warn(_util2.default.format.apply(_util2.default.format, prefix.concat(args).concat(stackTrace)), meta());
    },
    error: function error() {
        var stackTrace = getStackTrace()[2];

        for (var _len6 = arguments.length, args = Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {
            args[_key6] = arguments[_key6];
        }

        logger.error(_util2.default.format.apply(_util2.default.format, prefix.concat(args).concat(stackTrace)), meta());
    }
};