Login utility to save to file for titanium

app.js

/** 
 * To be used this way
 */

var Log = require('log');

Log.Info('This is an info log');
Log.Error('This is an error log');
Log.Debug('This is a debug log');

// ... more code ...

Log.emailLogFile({
    developer: '[email protected]',
    message: 'Something intelligent',
    subject: 'Here is the log'
});

log.js

var DEBUG = true;
var WRITES = true;

function logFile() {
	return Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory,'titanium_log.txt');
}
 
function logMsg(type, str) {
	if (typeof str == 'object') {
		try {
			str = JSON.parse(str);
		} catch(e) {
			str = JSON.stringify(str);
		}
	}
	return '['+type+' ' + new Date().getTime() + '] ' + str;
}
 
exports.Info = function(str) {
    if(DEBUG){
        if(WRITES)
            logFile().write(logMsg('INFO', str), true);
        Ti.API.info(str);
    }
};
 
exports.Debug = function(str) {
    if(DEBUG){
        if(WRITES)
            logFile().write(logMsg('DEBUG', str), true);
        Ti.API.debug(str);
    }
};
 
exports.Error = function(str) {
    if(DEBUG){
        if(WRITES)
            logFile().write(logMsg('ERROR', str), true);
        Ti.API.error(str);
    }
};
 
/**
 * Gets the actual log file
 */
exports.getLogFile = function() {
    return logFile();
};
 
/**
 * Gets the log file path
 */
exports.getLogFile = function() {
    return logFile().nativePath;
};
 
/**
 * Returns the text of the log file
 */
exports.getLogText = function() {
    return logFile().read();
};
 
/**
 * Opens an email dialog to send the log to the developer
 * @param {Object} params {
 *                  @param developer    Email to be sent to
 *                  @param message      Message to send
 *                  @param subject      Subject in the message
 *                }
 */
exports.emailLogFile = function(params) {
    var developer = params.developer || '';
    var message = params.message || 'Please see attached';
    var subject = params.subject || 'Log file from app';
    
    var email = Ti.UI.createEmailDialog({
        subject: 'Log file from app',
        messageBody: 'Please see attached',
        toRecipients: [developer]
    });
    email.addAttachment(logFile());
};
 
exports.deleteLog = function() {
	logFile().deleteFile();
};

exports.setDebug = function(_bool) {
	DEBUG = _bool;
};

exports.setWritesToFile = function(_bool) {
    WRITES = _bool;
}

Yes, it could optimized, I could have create a couple of variables or functions to avoid code repetition, but I put this together quickly as an example... meh.