Files
server/src/utilities/logger.ts

67 lines
1.7 KiB
TypeScript

import pino from 'pino'
import fs from 'fs'
import { getRootPath } from './storage'
// Array of log types
const LOG_TYPES = ['http', 'game', 'gameMaster', 'app', 'queue', 'command'] as const
type LogType = (typeof LOG_TYPES)[number]
const createLogger = (name: LogType) =>
pino({
level: process.env.LOG_LEVEL || 'debug',
transport: {
target: 'pino/file',
options: {
destination: `./logs/${name}.log`,
mkdir: true
}
},
formatters: {
level: (label) => {
return { level: label.toUpperCase() }
}
},
timestamp: pino.stdTimeFunctions.isoTime,
base: null
})
// Create logger instances
const loggers = Object.fromEntries(LOG_TYPES.map((type) => [type, createLogger(type)])) as Record<LogType, ReturnType<typeof createLogger>>
const watchLogs = () => {
LOG_TYPES.forEach((type) => {
const logFile = getRootPath('logs', `${type}.log`)
// Get initial file size
const stats = fs.statSync(logFile)
let lastPosition = stats.size
fs.watch(logFile, (eventType) => {
if (eventType !== 'change') {
return
}
fs.stat(logFile, (err, stats) => {
if (err) return
if (stats.size > lastPosition) {
const stream = fs.createReadStream(logFile, {
start: lastPosition,
end: stats.size
})
stream.on('data', (chunk) => {
console.log(`[${type}]\n${chunk.toString()}`)
})
lastPosition = stats.size
}
})
})
})
}
export const { http: httpLogger, game: gameLogger, gameMaster: gameMasterLogger, app: appLogger, queue: queueLogger, command: commandLogger } = loggers
export { watchLogs }