Files
shields/core/server/log.js

50 lines
1.1 KiB
JavaScript

'use strict'
const Sentry = require('@sentry/node')
const listeners = []
// Zero-pad a number in a string.
// eg. 4 becomes 04 but 17 stays 17.
function pad(string) {
string = String(string)
return string.length < 2 ? `0${string}` : string
}
// Compact date representation.
// eg. 0611093840 for June 11, 9:38:40 UTC.
function date() {
const date = new Date()
return (
pad(date.getUTCMonth() + 1) +
pad(date.getUTCDate()) +
pad(date.getUTCHours()) +
pad(date.getUTCMinutes()) +
pad(date.getUTCSeconds())
)
}
module.exports = function log(...msg) {
const d = date()
listeners.forEach(f => f(d, ...msg))
console.log(d, ...msg)
}
module.exports.error = function error(err) {
const d = date()
listeners.forEach(f => f(d, err))
Sentry.captureException(err)
console.error(d, err)
}
module.exports.addListener = function addListener(func) {
listeners.push(func)
}
module.exports.removeListener = function removeListener(func) {
const index = listeners.indexOf(func)
if (index < 0) {
return
}
listeners.splice(index, 1)
}