logger_factory.js

if (typeof console === 'undefined') {
    window.console = {
        log: function () {}
    };
}

function loggerFactory(label) {
    return (function () {
        var timestamp = function () {};
        timestamp.toString = function () {
            var label_line = label;
            // this just checks for a certain global var which is only
            // set on a Porthole window. lets me test interplay of js loaded
            // into an iframe 
            if (CiPortholeApiWorker && CiPortholeApiWorker.is_worker) {
                label_line = 'WORKER][' + label;
            }
            var port = "[" + window.location.protocol + "]";
            return port + "[" + label_line + ' ' + (new Date()).toLocaleTimeString() + "]";
        };
        if (DEBUG) { return { log: console.log.bind(console, '%s', timestamp) }; }
        return { log: function () {} };
    })();
}

function loggerFactoryNull(label) {
    return(function () { return { log: function () {} }; }());
}

var lwDebug = loggerFactory('web.debug');