concatenate log information of a custom logger module











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I have a logger module that is able to log three types of messages from my application.




  • default ones

  • events

  • commands


Currently I export this module



module.exports = {
logMessage: (message) => {
logAction('Info', null, message);
},
logEvent: (eventName, message) => {
logAction('Event', eventName, message);
},
logCommand: (commandName, message) => {
logAction('Command', commandName, message);
}
};


and when it comes to the logAction function I am looking for a clean way to concatenate all the information of the log message.



My first solution would be



function logAction(actionType, actionName, message){
actionName = actionName ? ` => ${actionName}` : '';

let logMessage = `
[${actionType}${actionName}]
[${new Date()}]`;

if(message){
logMessage += `n${message}`;
}

console.log(logMessage);
}


Is there a way improving this one? I don't know if I really need the if(message) check. Also there might be a better way for



actionName = actionName ? ` => ${actionName}` : '';


My second solution would be an array of information that gets converted to a string at the end.



function logAction(actionType, actionName, message){
const actionSegments = [`[${actionType}`];

if(actionName)
actionSegments.push(` => ${actionName}`);

actionSegments.push(`]n[${new Date()}]`);

if(message)
actionSegments.push(`n${message}`);

console.log(actionSegments.join(''));
}


I think this would be a bad solution because there is no need for it.



Any suggestions or improvements?










share|improve this question






















  • I would recommedning using if (message!==undefined) { for this kind of call. That way someone can pass a value like false for their message.
    – Marc Rohloff
    Nov 21 at 18:57















up vote
0
down vote

favorite












I have a logger module that is able to log three types of messages from my application.




  • default ones

  • events

  • commands


Currently I export this module



module.exports = {
logMessage: (message) => {
logAction('Info', null, message);
},
logEvent: (eventName, message) => {
logAction('Event', eventName, message);
},
logCommand: (commandName, message) => {
logAction('Command', commandName, message);
}
};


and when it comes to the logAction function I am looking for a clean way to concatenate all the information of the log message.



My first solution would be



function logAction(actionType, actionName, message){
actionName = actionName ? ` => ${actionName}` : '';

let logMessage = `
[${actionType}${actionName}]
[${new Date()}]`;

if(message){
logMessage += `n${message}`;
}

console.log(logMessage);
}


Is there a way improving this one? I don't know if I really need the if(message) check. Also there might be a better way for



actionName = actionName ? ` => ${actionName}` : '';


My second solution would be an array of information that gets converted to a string at the end.



function logAction(actionType, actionName, message){
const actionSegments = [`[${actionType}`];

if(actionName)
actionSegments.push(` => ${actionName}`);

actionSegments.push(`]n[${new Date()}]`);

if(message)
actionSegments.push(`n${message}`);

console.log(actionSegments.join(''));
}


I think this would be a bad solution because there is no need for it.



Any suggestions or improvements?










share|improve this question






















  • I would recommedning using if (message!==undefined) { for this kind of call. That way someone can pass a value like false for their message.
    – Marc Rohloff
    Nov 21 at 18:57













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I have a logger module that is able to log three types of messages from my application.




  • default ones

  • events

  • commands


Currently I export this module



module.exports = {
logMessage: (message) => {
logAction('Info', null, message);
},
logEvent: (eventName, message) => {
logAction('Event', eventName, message);
},
logCommand: (commandName, message) => {
logAction('Command', commandName, message);
}
};


and when it comes to the logAction function I am looking for a clean way to concatenate all the information of the log message.



My first solution would be



function logAction(actionType, actionName, message){
actionName = actionName ? ` => ${actionName}` : '';

let logMessage = `
[${actionType}${actionName}]
[${new Date()}]`;

if(message){
logMessage += `n${message}`;
}

console.log(logMessage);
}


Is there a way improving this one? I don't know if I really need the if(message) check. Also there might be a better way for



actionName = actionName ? ` => ${actionName}` : '';


My second solution would be an array of information that gets converted to a string at the end.



function logAction(actionType, actionName, message){
const actionSegments = [`[${actionType}`];

if(actionName)
actionSegments.push(` => ${actionName}`);

actionSegments.push(`]n[${new Date()}]`);

if(message)
actionSegments.push(`n${message}`);

console.log(actionSegments.join(''));
}


I think this would be a bad solution because there is no need for it.



Any suggestions or improvements?










share|improve this question













I have a logger module that is able to log three types of messages from my application.




  • default ones

  • events

  • commands


Currently I export this module



module.exports = {
logMessage: (message) => {
logAction('Info', null, message);
},
logEvent: (eventName, message) => {
logAction('Event', eventName, message);
},
logCommand: (commandName, message) => {
logAction('Command', commandName, message);
}
};


and when it comes to the logAction function I am looking for a clean way to concatenate all the information of the log message.



My first solution would be



function logAction(actionType, actionName, message){
actionName = actionName ? ` => ${actionName}` : '';

let logMessage = `
[${actionType}${actionName}]
[${new Date()}]`;

if(message){
logMessage += `n${message}`;
}

console.log(logMessage);
}


Is there a way improving this one? I don't know if I really need the if(message) check. Also there might be a better way for



actionName = actionName ? ` => ${actionName}` : '';


My second solution would be an array of information that gets converted to a string at the end.



function logAction(actionType, actionName, message){
const actionSegments = [`[${actionType}`];

if(actionName)
actionSegments.push(` => ${actionName}`);

actionSegments.push(`]n[${new Date()}]`);

if(message)
actionSegments.push(`n${message}`);

console.log(actionSegments.join(''));
}


I think this would be a bad solution because there is no need for it.



Any suggestions or improvements?







javascript logging






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share|improve this question











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asked Nov 21 at 9:23









MHComputech

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  • I would recommedning using if (message!==undefined) { for this kind of call. That way someone can pass a value like false for their message.
    – Marc Rohloff
    Nov 21 at 18:57


















  • I would recommedning using if (message!==undefined) { for this kind of call. That way someone can pass a value like false for their message.
    – Marc Rohloff
    Nov 21 at 18:57
















I would recommedning using if (message!==undefined) { for this kind of call. That way someone can pass a value like false for their message.
– Marc Rohloff
Nov 21 at 18:57




I would recommedning using if (message!==undefined) { for this kind of call. That way someone can pass a value like false for their message.
– Marc Rohloff
Nov 21 at 18:57















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