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Winston - append log data into JSON array

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0

I'm using Winston for logging like this:

const logger = createLogger(
format: format.json(),
transports: [
 new transports.File(
 level: 'error',
 format: format.combine(filterOnly('error'),
 format.timestamp(
 format: 'YYYY-MM-DD HH:mm:ss'
 ),
 format.json()),
 filename: './audit_log/error.json',
 )]
);

I would like my log dato to end up in a JSON file with a structure like this:

{
"log": [
 
 "message": "",
 "level": "",
 "timestamp": ""
 ,
 
 "message": "",
 "level": "",
 "timestamp": ""
 

Instead of:

"message":"Bundle uploaded file","level":"error","timestamp":"2019-02- 
28T07:48:59.821Z"

node.js json formatting winston

share|improve this question

asked yesterday

Louise NielsenLouise Nielsen

1

New contributor

Louise Nielsen is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

0

I'm using Winston for logging like this:

const logger = createLogger(
format: format.json(),
transports: [
 new transports.File(
 level: 'error',
 format: format.combine(filterOnly('error'),
 format.timestamp(
 format: 'YYYY-MM-DD HH:mm:ss'
 ),
 format.json()),
 filename: './audit_log/error.json',
 )]
);

I would like my log dato to end up in a JSON file with a structure like this:

{
"log": [
 
 "message": "",
 "level": "",
 "timestamp": ""
 ,
 
 "message": "",
 "level": "",
 "timestamp": ""
 

Instead of:

"message":"Bundle uploaded file","level":"error","timestamp":"2019-02- 
28T07:48:59.821Z"

node.js json formatting winston

share|improve this question

asked yesterday

Louise NielsenLouise Nielsen

1

New contributor

Louise Nielsen is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I'm using Winston for logging like this:

const logger = createLogger(
format: format.json(),
transports: [
 new transports.File(
 level: 'error',
 format: format.combine(filterOnly('error'),
 format.timestamp(
 format: 'YYYY-MM-DD HH:mm:ss'
 ),
 format.json()),
 filename: './audit_log/error.json',
 )]
);

I would like my log dato to end up in a JSON file with a structure like this:

{
"log": [
 
 "message": "",
 "level": "",
 "timestamp": ""
 ,
 
 "message": "",
 "level": "",
 "timestamp": ""
 

Instead of:

"message":"Bundle uploaded file","level":"error","timestamp":"2019-02- 
28T07:48:59.821Z"

node.js json formatting winston

share|improve this question

asked yesterday

Louise NielsenLouise Nielsen

1

New contributor

Louise Nielsen is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

const logger = createLogger(
format: format.json(),
transports: [
 new transports.File(
 level: 'error',
 format: format.combine(filterOnly('error'),
 format.timestamp(
 format: 'YYYY-MM-DD HH:mm:ss'
 ),
 format.json()),
 filename: './audit_log/error.json',
 )]
);

{
"log": [
 
 "message": "",
 "level": "",
 "timestamp": ""
 ,
 
 "message": "",
 "level": "",
 "timestamp": ""
 

"message":"Bundle uploaded file","level":"error","timestamp":"2019-02- 
28T07:48:59.821Z"

share|improve this question

asked yesterday

Louise NielsenLouise Nielsen

1

New contributor

Louise Nielsen is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked yesterday

Louise NielsenLouise Nielsen

1

New contributor

Louise Nielsen is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

Louise NielsenLouise Nielsen

1

New contributor

Louise Nielsen is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

Louise NielsenLouise Nielsen

1

1 Answer
1

active

oldest

votes

0

The logger writes entries to the file as it goes, how would it close the file for every statement? You can easily format a standard file into a proper json object if you want at any point:

const readline = require('readline').createInterface(
 input: require('fs').createReadStream('logfile')
)

const log = []
readline.on('line', line => log.push(JSON.parse(line)))

You can easily do something similar using bash

share|improve this answer

answered yesterday

Lev KuznetsovLev Kuznetsov

1,95211024

add a comment | 

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0

The logger writes entries to the file as it goes, how would it close the file for every statement? You can easily format a standard file into a proper json object if you want at any point:

const readline = require('readline').createInterface(
 input: require('fs').createReadStream('logfile')
)

const log = []
readline.on('line', line => log.push(JSON.parse(line)))

You can easily do something similar using bash

share|improve this answer

answered yesterday

Lev KuznetsovLev Kuznetsov

1,95211024

add a comment | 

0

The logger writes entries to the file as it goes, how would it close the file for every statement? You can easily format a standard file into a proper json object if you want at any point:

const readline = require('readline').createInterface(
 input: require('fs').createReadStream('logfile')
)

const log = []
readline.on('line', line => log.push(JSON.parse(line)))

You can easily do something similar using bash

share|improve this answer

answered yesterday

Lev KuznetsovLev Kuznetsov

1,95211024

add a comment | 

The logger writes entries to the file as it goes, how would it close the file for every statement? You can easily format a standard file into a proper json object if you want at any point:

const readline = require('readline').createInterface(
 input: require('fs').createReadStream('logfile')
)

const log = []
readline.on('line', line => log.push(JSON.parse(line)))

You can easily do something similar using bash

share|improve this answer

answered yesterday

Lev KuznetsovLev Kuznetsov

1,95211024

const readline = require('readline').createInterface(
 input: require('fs').createReadStream('logfile')
)

const log = []
readline.on('line', line => log.push(JSON.parse(line)))

share|improve this answer

answered yesterday

Lev KuznetsovLev Kuznetsov

1,95211024

answered yesterday

Lev KuznetsovLev Kuznetsov

1,95211024

answered yesterday

Lev KuznetsovLev Kuznetsov

1,95211024