Logger

Config

Inserts in requirejs config.

requirejs.config({
    config: {
        logger: {
            root: {
                level: "off",
                appenders: ["console"]
            }
            modules: {
                "foo/*": "error",
                "foo/bar": "debug"
            }
        }
    }
});

LogItem

{
    id: "moduleFoo",
    args: ["message 1", [object Error], "message 2", [object Object], [DOM element], [function]],
    level: [object Level],
    time: [object Date],
    file: "filename.js",
    line: 23,
}

Log

Initialize:

var log = Logger.register("somename");
var log2 = Logger.register(module); // module = {id: "moduleId"}

Methods

info, log, debug, warn, error

Set level of log item.

log.info("message");
log.warn("shit coming");

_prepareLogItem

Create logItem object, add data such as time, cid, file, etc. Then forward it to manager.

logger

Mediator, fabric. Global object for manage logs from console.

methods

• register
• enable
• disable
• setLevel

Output targets:

console

Browser console. Browser support

| | Chrome | Firefox | IE | Opera | Safari | | ------------------- |:------:|: ---- -: |:----------:|:-----:|:------:| | Basic support | Yes | 4.0 (2.0) | 8 | Yes | Yes | | Substitution strings| Yes | 9.0 (9.0) | 10 partial | Yes | Yes |

Levels.

all debug info warn error off

Usage

examples: https://github.com/zigfred/Logger/tree/master/js/modules

Case 1. Debugging

config.js

config: {
    logger: {
        root: {
            level: "debug",
            appenders: ["console"]
        },
        modules: {
            "folder/moduleFoo": "debug"
        }
    }
}

moduleFoo.js

define(['module', 'logger'], function(module, logger) {
    "use strict";

    function start() {
        var log = logger.register(module);
        log.info("Initialized");
        log.warn("warning");
        try {
            //do some stuff
            log.debug("debug");
            //do some stuff
        } catch (e) {
            log.error(e);
        }
        log.info("Finish");
    }

});