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