qlogger/lib/levels.js

very fast easily customizable logger

'use strict';

// nodejs, syslog and qlogger level names and loglevels
var levels = {
//    none: -1, panic: 0, fatal: 1, crit: 2, error: 3, warn: 4, notice: 5, info: 6, debug: 7, trace: 8, all: 9,
//              emerg: 0, alert: 1,          err: 3,   warning: 4,


    panic: 0,   emerg: 0,
    fatal: 1,   alert: 1,
    crit: 2,
    error: 3,   err: 3,
    warn: 4,    warning: 4,
    notice: 5,
    info: 6,
    debug: 7,
    trace: 8,

    all: 9,
    none: -1,
};

// level name lookup by level number, 3 => 'info'
var names = [];
Object.keys(levels).forEach(function(key) { var ix = levels[key]; names[ix] = names[ix] || key });

// uppercase, capitalized and numeric level names, 'INFO' => 3
for (var name in levels) levels[name.toUpperCase()] = levels[name];
for (var name in levels) levels[toFlat(name[0].toUpperCase() + name.slice(1).toLowerCase())] = levels[name];
for (var level in names) levels[String(level)] = Number(level);

// manifest constants, LOG_INFO => 3
var constants = {};
for (var name in levels) if (isNaN(parseInt(name))) constants[toFlat('LOG_' + name.toUpperCase())] = levels[name];

module.exports = {
    levels: levels,
    names: names,
    constants: constants,
};

function toStruct(o) { return toStruct.prototype = o }
function toFlat(s) { var x = s | 0; return s }

console.log("AR:", module.exports);