56 lines
1.2 KiB
JavaScript
56 lines
1.2 KiB
JavaScript
'use strict'
|
|
|
|
const os = require('os')
|
|
const writer = require('flush-write-stream')
|
|
const split = require('split2')
|
|
const pid = process.pid
|
|
const hostname = os.hostname()
|
|
const v = 1
|
|
|
|
const isWin = process.platform === 'win32'
|
|
|
|
function getPathToNull () {
|
|
return isWin ? '\\\\.\\NUL' : '/dev/null'
|
|
}
|
|
|
|
function once (emitter, name) {
|
|
return new Promise((resolve, reject) => {
|
|
if (name !== 'error') emitter.once('error', reject)
|
|
emitter.once(name, (...args) => {
|
|
emitter.removeListener('error', reject)
|
|
resolve(...args)
|
|
})
|
|
})
|
|
}
|
|
|
|
function sink (func) {
|
|
const result = split((data) => {
|
|
try {
|
|
return JSON.parse(data)
|
|
} catch (err) {
|
|
console.log(err)
|
|
console.log(data)
|
|
}
|
|
})
|
|
if (func) result.pipe(writer.obj(func))
|
|
return result
|
|
}
|
|
|
|
function check (is, chunk, level, msg) {
|
|
is(new Date(chunk.time) <= new Date(), true, 'time is greater than Date.now()')
|
|
delete chunk.time
|
|
is(chunk.pid, pid)
|
|
is(chunk.hostname, hostname)
|
|
is(chunk.level, level)
|
|
is(chunk.msg, msg)
|
|
is(chunk.v, v)
|
|
}
|
|
|
|
function sleep (ms) {
|
|
return new Promise((resolve) => {
|
|
setTimeout(resolve, ms)
|
|
})
|
|
}
|
|
|
|
module.exports = { getPathToNull, sink, check, once, sleep }
|