Projektstart

backend/node_modules/pino/benchmarks/basic.bench.js

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+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../')
+const bunyan = require('bunyan')
+const bole = require('bole')('bench')
+const winston = require('winston')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+const loglevel = require('./utils/wrap-log-level')(dest)
+const plogNodeStream = pino(dest)
+delete require.cache[require.resolve('../')]
+const plogMinLength = require('../')(pino.destination({ dest: '/dev/null', minLength: 4096 }))
+delete require.cache[require.resolve('../')]
+const plogDest = require('../')(pino.destination('/dev/null'))
+
+process.env.DEBUG = 'dlog'
+const debug = require('debug')
+const dlog = debug('dlog')
+dlog.log = function (s) { dest.write(s) }
+
+const max = 10
+const blog = bunyan.createLogger({
+  name: 'myapp',
+  streams: [{
+    level: 'trace',
+    stream: dest
+  }]
+})
+
+require('bole').output({
+  level: 'info',
+  stream: dest
+}).setFastTime(true)
+
+const chill = winston.createLogger({
+  transports: [
+    new winston.transports.Stream({
+      stream: fs.createWriteStream('/dev/null')
+    })
+  ]
+})
+
+const run = bench([
+  function benchBunyan (cb) {
+    for (var i = 0; i < max; i++) {
+      blog.info('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchWinston (cb) {
+    for (var i = 0; i < max; i++) {
+      chill.log('info', 'hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchBole (cb) {
+    for (var i = 0; i < max; i++) {
+      bole.info('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchDebug (cb) {
+    for (var i = 0; i < max; i++) {
+      dlog('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchLogLevel (cb) {
+    for (var i = 0; i < max; i++) {
+      loglevel.info('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchPino (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLength (cb) {
+    for (var i = 0; i < max; i++) {
+      plogMinLength.info('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStream (cb) {
+    for (var i = 0; i < max; i++) {
+      plogNodeStream.info('hello world')
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/child-child.bench.js

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+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../')
+const bunyan = require('bunyan')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+const plogNodeStream = pino(dest).child({ a: 'property' }).child({ sub: 'child' })
+delete require.cache[require.resolve('../')]
+const plogDest = require('../')(pino.destination('/dev/null')).child({ a: 'property' }).child({ sub: 'child' })
+delete require.cache[require.resolve('../')]
+const plogMinLength = require('../')(pino.destination({ dest: '/dev/null', sync: false, minLength: 4096 }))
+  .child({ a: 'property' })
+  .child({ sub: 'child' })
+
+const max = 10
+const blog = bunyan.createLogger({
+  name: 'myapp',
+  streams: [{
+    level: 'trace',
+    stream: dest
+  }]
+}).child({ a: 'property' }).child({ sub: 'child' })
+
+const run = bench([
+  function benchBunyanChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      blog.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLengthChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogMinLength.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStreamChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogNodeStream.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/child-creation.bench.js

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+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../')
+const bunyan = require('bunyan')
+const bole = require('bole')('bench')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+const plogNodeStream = pino(dest)
+const plogDest = pino(pino.destination(('/dev/null')))
+delete require.cache[require.resolve('../')]
+const plogMinLength = require('../')(pino.destination({ dest: '/dev/null', sync: false, minLength: 4096 }))
+
+const max = 10
+const blog = bunyan.createLogger({
+  name: 'myapp',
+  streams: [{
+    level: 'trace',
+    stream: dest
+  }]
+})
+
+require('bole').output({
+  level: 'info',
+  stream: dest
+}).setFastTime(true)
+
+const run = bench([
+  function benchBunyanCreation (cb) {
+    const child = blog.child({ a: 'property' })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchBoleCreation (cb) {
+    const child = bole('child')
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoCreation (cb) {
+    const child = plogDest.child({ a: 'property' })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLengthCreation (cb) {
+    const child = plogMinLength.child({ a: 'property' })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStreamCreation (cb) {
+    const child = plogNodeStream.child({ a: 'property' })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoCreationWithOption (cb) {
+    const child = plogDest.child({ a: 'property' }, { redact: [] })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/child.bench.js

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+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../')
+const bunyan = require('bunyan')
+const bole = require('bole')('bench')('child')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+const plogNodeStream = pino(dest).child({ a: 'property' })
+delete require.cache[require.resolve('../')]
+const plogDest = require('../')(pino.destination('/dev/null')).child({ a: 'property' })
+delete require.cache[require.resolve('../')]
+const plogMinLength = require('../')(pino.destination({ dest: '/dev/null', sync: false, minLength: 4096 }))
+
+const max = 10
+const blog = bunyan.createLogger({
+  name: 'myapp',
+  streams: [{
+    level: 'trace',
+    stream: dest
+  }]
+}).child({ a: 'property' })
+
+require('bole').output({
+  level: 'info',
+  stream: dest
+}).setFastTime(true)
+
+const run = bench([
+  function benchBunyanChild (cb) {
+    for (var i = 0; i < max; i++) {
+      blog.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchBoleChild (cb) {
+    for (var i = 0; i < max; i++) {
+      bole.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLengthChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogMinLength.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStreamChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogNodeStream.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/deep-object.bench.js

@@ -0,0 +1,88 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../')
+const bunyan = require('bunyan')
+const bole = require('bole')('bench')
+const winston = require('winston')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+const plogNodeStream = pino(dest)
+delete require.cache[require.resolve('../')]
+const plogDest = require('../')(pino.destination('/dev/null'))
+delete require.cache[require.resolve('../')]
+const plogMinLength = require('../')(pino.destination({ dest: '/dev/null', sync: false, minLength: 4096 }))
+delete require.cache[require.resolve('../')]
+
+const loglevel = require('./utils/wrap-log-level')(dest)
+
+const deep = Object.assign({}, require('../package.json'), { level: 'info' })
+
+const max = 10
+const blog = bunyan.createLogger({
+  name: 'myapp',
+  streams: [{
+    level: 'trace',
+    stream: dest
+  }]
+})
+
+require('bole').output({
+  level: 'info',
+  stream: dest
+}).setFastTime(true)
+
+const chill = winston.createLogger({
+  transports: [
+    new winston.transports.Stream({
+      stream: fs.createWriteStream('/dev/null')
+    })
+  ]
+})
+
+const run = bench([
+  function benchBunyanDeepObj (cb) {
+    for (var i = 0; i < max; i++) {
+      blog.info(deep)
+    }
+    setImmediate(cb)
+  },
+  function benchWinstonDeepObj (cb) {
+    for (var i = 0; i < max; i++) {
+      chill.log(deep)
+    }
+    setImmediate(cb)
+  },
+  function benchBoleDeepObj (cb) {
+    for (var i = 0; i < max; i++) {
+      bole.info(deep)
+    }
+    setImmediate(cb)
+  },
+  function benchLogLevelDeepObj (cb) {
+    for (var i = 0; i < max; i++) {
+      loglevel.info(deep)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDeepObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info(deep)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLengthDeepObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plogMinLength.info(deep)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStreamDeepObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plogNodeStream.info(deep)
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/formatters.bench.js

@@ -0,0 +1,50 @@
+'use strict'
+
+const formatters = {
+  level (label, number) {
+    return {
+      log: {
+        level: label
+      }
+    }
+  },
+  bindings (bindings) {
+    return {
+      process: {
+        pid: bindings.pid
+      },
+      host: {
+        name: bindings.hostname
+      }
+    }
+  },
+  log (obj) {
+    return { foo: 'bar', ...obj }
+  }
+}
+
+const bench = require('fastbench')
+const pino = require('../')
+delete require.cache[require.resolve('../')]
+const pinoNoFormatters = require('../')(pino.destination('/dev/null'))
+delete require.cache[require.resolve('../')]
+const pinoFormatters = require('../')({ formatters }, pino.destination('/dev/null'))
+
+const max = 10
+
+const run = bench([
+  function benchPinoNoFormatters (cb) {
+    for (var i = 0; i < max; i++) {
+      pinoNoFormatters.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoFormatters (cb) {
+    for (var i = 0; i < max; i++) {
+      pinoFormatters.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/internal/custom-levels.js

@@ -0,0 +1,67 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../../')
+
+const base = pino(pino.destination('/dev/null'))
+const baseCl = pino({
+  customLevels: { foo: 31 }
+}, pino.destination('/dev/null'))
+const child = base.child({})
+const childCl = base.child({
+  customLevels: { foo: 31 }
+})
+const childOfBaseCl = baseCl.child({})
+
+const max = 100
+
+const run = bench([
+  function benchPinoNoCustomLevel (cb) {
+    for (var i = 0; i < max; i++) {
+      base.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoCustomLevel (cb) {
+    for (var i = 0; i < max; i++) {
+      baseCl.foo({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchChildNoCustomLevel (cb) {
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildCustomLevel (cb) {
+    for (var i = 0; i < max; i++) {
+      childCl.foo({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildInheritedCustomLevel (cb) {
+    for (var i = 0; i < max; i++) {
+      childOfBaseCl.foo({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildCreation (cb) {
+    const child = base.child({})
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildCreationCustomLevel (cb) {
+    const child = base.child({
+      customLevels: { foo: 31 }
+    })
+    for (var i = 0; i < max; i++) {
+      child.foo({ hello: 'world' })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/internal/just-pino-heavy.bench.js

@@ -0,0 +1,76 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../../')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+const plog = pino(dest)
+delete require.cache[require.resolve('../../')]
+const plogDest = require('../../')(pino.destination('/dev/null'))
+delete require.cache[require.resolve('../../')]
+const plogAsync = require('../../')(pino.destination({ dest: '/dev/null', sync: false }))
+const deep = require('../../package.json')
+deep.deep = JSON.parse(JSON.stringify(deep))
+deep.deep.deep = JSON.parse(JSON.stringify(deep))
+const longStr = JSON.stringify(deep)
+
+const max = 10
+
+const run = bench([
+  function benchPinoLongString (cb) {
+    for (var i = 0; i < max; i++) {
+      plog.info(longStr)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestLongString (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info(longStr)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoAsyncLongString (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsync.info(longStr)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDeepObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plog.info(deep)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestDeepObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info(deep)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoAsyncDeepObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsync.info(deep)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoInterpolateDeep (cb) {
+    for (var i = 0; i < max; i++) {
+      plog.info('hello %j', deep)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestInterpolateDeep (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello %j', deep)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoAsyncInterpolateDeep (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsync.info('hello %j', deep)
+    }
+    setImmediate(cb)
+  }
+], 1000)
+
+run(run)

backend/node_modules/pino/benchmarks/internal/just-pino.bench.js

@@ -0,0 +1,182 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../../')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+const plog = pino(dest)
+delete require.cache[require.resolve('../../')]
+const plogDest = require('../../')(pino.destination('/dev/null'))
+delete require.cache[require.resolve('../../')]
+const plogAsync = require('../../')(pino.destination({ dest: '/dev/null', sync: false }))
+const plogChild = plog.child({ a: 'property' })
+const plogDestChild = plogDest.child({ a: 'property' })
+const plogAsyncChild = plogAsync.child({ a: 'property' })
+const plogChildChild = plog.child({ a: 'property' }).child({ sub: 'child' })
+const plogDestChildChild = plogDest.child({ a: 'property' }).child({ sub: 'child' })
+const plogAsyncChildChild = plogAsync.child({ a: 'property' }).child({ sub: 'child' })
+
+const max = 10
+
+const run = bench([
+  function benchPino (cb) {
+    for (var i = 0; i < max; i++) {
+      plog.info('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDest (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoExtreme (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsync.info('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plog.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoAsyncObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsync.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDestChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoAsyncChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsyncChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogChildChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDestChildChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoAsyncChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsyncChildChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildCreation (cb) {
+    const child = plog.child({ a: 'property' })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestChildCreation (cb) {
+    const child = plogDest.child({ a: 'property' })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMulti (cb) {
+    for (var i = 0; i < max; i++) {
+      plog.info('hello', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestMulti (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoAsyncMulti (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsync.info('hello', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoInterpolate (cb) {
+    for (var i = 0; i < max; i++) {
+      plog.info('hello %s', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestInterpolate (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello %s', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestInterpolate (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello %s', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoInterpolateAll (cb) {
+    for (var i = 0; i < max; i++) {
+      plog.info('hello %s %j %d', 'world', { obj: true }, 4)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestInterpolateAll (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello %s %j %d', 'world', { obj: true }, 4)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoAsyncInterpolateAll (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsync.info('hello %s %j %d', 'world', { obj: true }, 4)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoInterpolateExtra (cb) {
+    for (var i = 0; i < max; i++) {
+      plog.info('hello %s %j %d', 'world', { obj: true }, 4, { another: 'obj' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoDestInterpolateExtra (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello %s %j %d', 'world', { obj: true }, 4, { another: 'obj' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoAsyncInterpolateExtra (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsync.info('hello %s %j %d', 'world', { obj: true }, 4, { another: 'obj' })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/internal/parent-vs-child.bench.js

@@ -0,0 +1,75 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../../')
+
+const base = pino(pino.destination('/dev/null'))
+const child = base.child({})
+const childChild = child.child({})
+const childChildChild = childChild.child({})
+const childChildChildChild = childChildChild.child({})
+const child2 = base.child({})
+const baseSerializers = pino(pino.destination('/dev/null'))
+const baseSerializersChild = baseSerializers.child({})
+const baseSerializersChildSerializers = baseSerializers.child({})
+
+const max = 100
+
+const run = bench([
+  function benchPinoBase (cb) {
+    for (var i = 0; i < max; i++) {
+      base.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChild (cb) {
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      childChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      childChildChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildChildChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      childChildChildChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChild2 (cb) {
+    for (var i = 0; i < max; i++) {
+      child2.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoBaseSerializers (cb) {
+    for (var i = 0; i < max; i++) {
+      baseSerializers.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoBaseSerializersChild (cb) {
+    for (var i = 0; i < max; i++) {
+      baseSerializersChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoBaseSerializersChildSerializers (cb) {
+    for (var i = 0; i < max; i++) {
+      baseSerializersChildSerializers.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/internal/redact.bench.js

@@ -0,0 +1,86 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../../')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+const plog = pino(dest)
+delete require.cache[require.resolve('../../')]
+const plogAsync = require('../../')(pino.destination({ dest: '/dev/null', sync: false }))
+delete require.cache[require.resolve('../../')]
+const plogUnsafe = require('../../')({ safe: false }, dest)
+delete require.cache[require.resolve('../../')]
+const plogUnsafeAsync = require('../../')(
+  { safe: false },
+  pino.destination({ dest: '/dev/null', sync: false })
+)
+const plogRedact = pino({ redact: ['a.b.c'] }, dest)
+delete require.cache[require.resolve('../../')]
+const plogAsyncRedact = require('../../')(
+  { redact: ['a.b.c'] },
+  pino.destination({ dest: '/dev/null', sync: false })
+)
+delete require.cache[require.resolve('../../')]
+const plogUnsafeRedact = require('../../')({ redact: ['a.b.c'], safe: false }, dest)
+delete require.cache[require.resolve('../../')]
+const plogUnsafeAsyncRedact = require('../../')(
+  { redact: ['a.b.c'], safe: false },
+  pino.destination({ dest: '/dev/null', sync: false })
+)
+
+const max = 10
+
+// note that "redact me." is the same amount of bytes as the censor: "[Redacted]"
+
+const run = bench([
+  function benchPinoNoRedact (cb) {
+    for (var i = 0; i < max; i++) {
+      plog.info({ a: { b: { c: 'redact me.', d: 'leave me' } } })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoRedact (cb) {
+    for (var i = 0; i < max; i++) {
+      plogRedact.info({ a: { b: { c: 'redact me.', d: 'leave me' } } })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoUnsafeNoRedact (cb) {
+    for (var i = 0; i < max; i++) {
+      plogUnsafe.info({ a: { b: { c: 'redact me.', d: 'leave me' } } })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoUnsafeRedact (cb) {
+    for (var i = 0; i < max; i++) {
+      plogUnsafeRedact.info({ a: { b: { c: 'redact me.', d: 'leave me' } } })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoAsyncNoRedact (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsync.info({ a: { b: { c: 'redact me.', d: 'leave me' } } })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoAsyncRedact (cb) {
+    for (var i = 0; i < max; i++) {
+      plogAsyncRedact.info({ a: { b: { c: 'redact me.', d: 'leave me' } } })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoUnsafeAsyncNoRedact (cb) {
+    for (var i = 0; i < max; i++) {
+      plogUnsafeAsync.info({ a: { b: { c: 'redact me.', d: 'leave me' } } })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoUnsafeAsyncRedact (cb) {
+    for (var i = 0; i < max; i++) {
+      plogUnsafeAsyncRedact.info({ a: { b: { c: 'redact me.', d: 'leave me' } } })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/long-string.bench.js

@@ -0,0 +1,81 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../')
+const bunyan = require('bunyan')
+const bole = require('bole')('bench')
+const winston = require('winston')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+const plogNodeStream = pino(dest)
+delete require.cache[require.resolve('../')]
+const plogDest = require('../')(pino.destination('/dev/null'))
+delete require.cache[require.resolve('../')]
+const plogMinLength = require('../')(pino.destination({ dest: '/dev/null', sync: false, minLength: 4096 }))
+
+const crypto = require('crypto')
+
+const longStr = crypto.randomBytes(2000).toString()
+
+const max = 10
+const blog = bunyan.createLogger({
+  name: 'myapp',
+  streams: [{
+    level: 'trace',
+    stream: dest
+  }]
+})
+
+require('bole').output({
+  level: 'info',
+  stream: dest
+}).setFastTime(true)
+
+const chill = winston.createLogger({
+  transports: [
+    new winston.transports.Stream({
+      stream: fs.createWriteStream('/dev/null')
+    })
+  ]
+})
+
+const run = bench([
+  function benchBunyan (cb) {
+    for (var i = 0; i < max; i++) {
+      blog.info(longStr)
+    }
+    setImmediate(cb)
+  },
+  function benchWinston (cb) {
+    for (var i = 0; i < max; i++) {
+      chill.info(longStr)
+    }
+    setImmediate(cb)
+  },
+  function benchBole (cb) {
+    for (var i = 0; i < max; i++) {
+      bole.info(longStr)
+    }
+    setImmediate(cb)
+  },
+  function benchPino (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info(longStr)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLength (cb) {
+    for (var i = 0; i < max; i++) {
+      plogMinLength.info(longStr)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStream (cb) {
+    for (var i = 0; i < max; i++) {
+      plogNodeStream.info(longStr)
+    }
+    setImmediate(cb)
+  }
+], 1000)
+
+run(run)

backend/node_modules/pino/benchmarks/multi-arg.bench.js

@@ -0,0 +1,193 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../')
+const bunyan = require('bunyan')
+const bole = require('bole')('bench')
+const winston = require('winston')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+const plogNodeStream = pino(dest)
+delete require.cache[require.resolve('../')]
+const plogDest = require('../')(pino.destination('/dev/null'))
+delete require.cache[require.resolve('../')]
+const plogMinLength = require('../')(pino.destination({ dest: '/dev/null', sync: false, minLength: 4096 }))
+delete require.cache[require.resolve('../')]
+
+const deep = require('../package.json')
+deep.deep = Object.assign({}, JSON.parse(JSON.stringify(deep)))
+deep.deep.deep = Object.assign({}, JSON.parse(JSON.stringify(deep)))
+deep.deep.deep.deep = Object.assign({}, JSON.parse(JSON.stringify(deep)))
+
+const blog = bunyan.createLogger({
+  name: 'myapp',
+  streams: [{
+    level: 'trace',
+    stream: dest
+  }]
+})
+
+require('bole').output({
+  level: 'info',
+  stream: dest
+}).setFastTime(true)
+
+const chill = winston.createLogger({
+  transports: [
+    new winston.transports.Stream({
+      stream: fs.createWriteStream('/dev/null')
+    })
+  ]
+})
+
+const max = 10
+
+const run = bench([
+  function benchBunyanInterpolate (cb) {
+    for (var i = 0; i < max; i++) {
+      blog.info('hello %s', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchWinstonInterpolate (cb) {
+    for (var i = 0; i < max; i++) {
+      chill.log('info', 'hello %s', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchBoleInterpolate (cb) {
+    for (var i = 0; i < max; i++) {
+      bole.info('hello %s', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoInterpolate (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello %s', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLengthInterpolate (cb) {
+    for (var i = 0; i < max; i++) {
+      plogMinLength.info('hello %s', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStreamInterpolate (cb) {
+    for (var i = 0; i < max; i++) {
+      plogNodeStream.info('hello %s', 'world')
+    }
+    setImmediate(cb)
+  },
+  function benchBunyanInterpolateAll (cb) {
+    for (var i = 0; i < max; i++) {
+      blog.info('hello %s %j %d', 'world', { obj: true }, 4)
+    }
+    setImmediate(cb)
+  },
+
+  function benchWinstonInterpolateAll (cb) {
+    for (var i = 0; i < max; i++) {
+      chill.log('info', 'hello %s %j %d', 'world', { obj: true }, 4)
+    }
+    setImmediate(cb)
+  },
+  function benchBoleInterpolateAll (cb) {
+    for (var i = 0; i < max; i++) {
+      bole.info('hello %s %j %d', 'world', { obj: true }, 4)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoInterpolateAll (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello %s %j %d', 'world', { obj: true }, 4)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLengthInterpolateAll (cb) {
+    for (var i = 0; i < max; i++) {
+      plogMinLength.info('hello %s %j %d', 'world', { obj: true }, 4)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStreamInterpolateAll (cb) {
+    for (var i = 0; i < max; i++) {
+      plogNodeStream.info('hello %s %j %d', 'world', { obj: true }, 4)
+    }
+    setImmediate(cb)
+  },
+  function benchBunyanInterpolateExtra (cb) {
+    for (var i = 0; i < max; i++) {
+      blog.info('hello %s %j %d', 'world', { obj: true }, 4, { another: 'obj' })
+    }
+    setImmediate(cb)
+  },
+  function benchWinstonInterpolateExtra (cb) {
+    for (var i = 0; i < max; i++) {
+      chill.log('info', 'hello %s %j %d', 'world', { obj: true }, 4, { another: 'obj' })
+    }
+    setImmediate(cb)
+  },
+  function benchBoleInterpolateExtra (cb) {
+    for (var i = 0; i < max; i++) {
+      bole.info('hello %s %j %d', 'world', { obj: true }, 4, { another: 'obj' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoInterpolateExtra (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello %s %j %d', 'world', { obj: true }, 4, { another: 'obj' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLengthInterpolateExtra (cb) {
+    for (var i = 0; i < max; i++) {
+      plogMinLength.info('hello %s %j %d', 'world', { obj: true }, 4, { another: 'obj' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStreamInterpolateExtra (cb) {
+    for (var i = 0; i < max; i++) {
+      plogNodeStream.info('hello %s %j %d', 'world', { obj: true }, 4, { another: 'obj' })
+    }
+    setImmediate(cb)
+  },
+  function benchBunyanInterpolateDeep (cb) {
+    for (var i = 0; i < max; i++) {
+      blog.info('hello %j', deep)
+    }
+    setImmediate(cb)
+  },
+  function benchWinstonInterpolateDeep (cb) {
+    for (var i = 0; i < max; i++) {
+      chill.log('info', 'hello %j', deep)
+    }
+    setImmediate(cb)
+  },
+  function benchBoleInterpolateDeep (cb) {
+    for (var i = 0; i < max; i++) {
+      bole.info('hello %j', deep)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoInterpolateDeep (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info('hello %j', deep)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLengthInterpolateDeep (cb) {
+    for (var i = 0; i < max; i++) {
+      plogMinLength.info('hello %j', deep)
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStreamInterpolateDeep (cb) {
+    for (var i = 0; i < max; i++) {
+      plogNodeStream.info('hello %j', deep)
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/multistream.js

@@ -0,0 +1,98 @@
+'use strict'
+
+const bench = require('fastbench')
+const bunyan = require('bunyan')
+const pino = require('../')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+
+const tenStreams = [
+  { stream: dest },
+  { stream: dest },
+  { stream: dest },
+  { stream: dest },
+  { stream: dest },
+  { level: 'debug', stream: dest },
+  { level: 'debug', stream: dest },
+  { level: 'trace', stream: dest },
+  { level: 'warn', stream: dest },
+  { level: 'fatal', stream: dest }
+]
+const pinomsTen = pino({ level: 'debug' }, pino.multistream(tenStreams))
+
+const fourStreams = [
+  { stream: dest },
+  { stream: dest },
+  { level: 'debug', stream: dest },
+  { level: 'trace', stream: dest }
+]
+const pinomsFour = pino({ level: 'debug' }, pino.multistream(fourStreams))
+
+const pinomsOne = pino({ level: 'info' }, pino.multistream(dest))
+const blogOne = bunyan.createLogger({
+  name: 'myapp',
+  streams: [{ stream: dest }]
+})
+
+const blogTen = bunyan.createLogger({
+  name: 'myapp',
+  streams: tenStreams
+})
+const blogFour = bunyan.createLogger({
+  name: 'myapp',
+  streams: fourStreams
+})
+
+const max = 10
+const run = bench([
+  function benchBunyanTen (cb) {
+    for (let i = 0; i < max; i++) {
+      blogTen.info('hello world')
+      blogTen.debug('hello world')
+      blogTen.trace('hello world')
+      blogTen.warn('hello world')
+      blogTen.fatal('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMSTen (cb) {
+    for (let i = 0; i < max; i++) {
+      pinomsTen.info('hello world')
+      pinomsTen.debug('hello world')
+      pinomsTen.trace('hello world')
+      pinomsTen.warn('hello world')
+      pinomsTen.fatal('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchBunyanFour (cb) {
+    for (let i = 0; i < max; i++) {
+      blogFour.info('hello world')
+      blogFour.debug('hello world')
+      blogFour.trace('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMSFour (cb) {
+    for (let i = 0; i < max; i++) {
+      pinomsFour.info('hello world')
+      pinomsFour.debug('hello world')
+      pinomsFour.trace('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchBunyanOne (cb) {
+    for (let i = 0; i < max; i++) {
+      blogOne.info('hello world')
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMSOne (cb) {
+    for (let i = 0; i < max; i++) {
+      pinomsOne.info('hello world')
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run()

backend/node_modules/pino/benchmarks/object.bench.js

@@ -0,0 +1,82 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../')
+const bunyan = require('bunyan')
+const bole = require('bole')('bench')
+const winston = require('winston')
+const fs = require('node:fs')
+const dest = fs.createWriteStream('/dev/null')
+const loglevel = require('./utils/wrap-log-level')(dest)
+const plogNodeStream = pino(dest)
+delete require.cache[require.resolve('../')]
+const plogDest = require('../')(pino.destination('/dev/null'))
+delete require.cache[require.resolve('../')]
+const plogMinLength = require('../')(pino.destination({ dest: '/dev/null', sync: false, minLength: 4096 }))
+const blog = bunyan.createLogger({
+  name: 'myapp',
+  streams: [{
+    level: 'trace',
+    stream: dest
+  }]
+})
+require('bole').output({
+  level: 'info',
+  stream: dest
+}).setFastTime(true)
+const chill = winston.createLogger({
+  transports: [
+    new winston.transports.Stream({
+      stream: fs.createWriteStream('/dev/null')
+    })
+  ]
+})
+
+const max = 10
+
+const run = bench([
+  function benchBunyanObj (cb) {
+    for (var i = 0; i < max; i++) {
+      blog.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchWinstonObj (cb) {
+    for (var i = 0; i < max; i++) {
+      chill.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchBoleObj (cb) {
+    for (var i = 0; i < max; i++) {
+      bole.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchLogLevelObject (cb) {
+    for (var i = 0; i < max; i++) {
+      loglevel.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLengthObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plogMinLength.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStreamObj (cb) {
+    for (var i = 0; i < max; i++) {
+      plogNodeStream.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)

backend/node_modules/pino/benchmarks/utils/generate-benchmark-doc.js

@@ -0,0 +1,36 @@
+'use strict'
+const { join } = require('node:path')
+const { execSync } = require('node:child_process')
+
+const run = (type) => {
+  process.stderr.write(`benchmarking ${type}\n`)
+  return execSync(`node ${join(__dirname, 'runbench')} ${type} -q`)
+}
+
+console.log(`
+# Benchmarks
+
+\`pino.info('hello world')\`:
+
+\`\`\`
+${run('basic')}
+\`\`\`
+
+\`pino.info({'hello': 'world'})\`:
+
+\`\`\`
+${run('object')}
+\`\`\`
+
+\`pino.info(aBigDeeplyNestedObject)\`:
+
+\`\`\`
+${run('deep-object')}
+\`\`\`
+
+\`pino.info('hello %s %j %d', 'world', {obj: true}, 4, {another: 'obj'})\`:
+
+For a fair comparison, [LogLevel](http://npm.im/loglevel) was extended
+to include a timestamp and [bole](http://npm.im/bole) had
+\`fastTime\` mode switched on.
+`)

backend/node_modules/pino/benchmarks/utils/runbench.js

@@ -0,0 +1,138 @@
+'use strict'
+
+const { type, platform, arch, release, cpus } = require('node:os')
+const { resolve, join } = require('node:path')
+const spawn = require('node:child_process').spawn
+const pump = require('pump')
+const split = require('split2')
+const through = require('through2')
+const steed = require('steed')
+
+function usage () {
+  console.log(`
+    Pino Benchmarks
+
+    To run a benchmark, specify which to run:
+
+    ・all        ⁃ run all benchmarks (takes a while)
+    ・basic      ⁃ log a simple string
+    ・object     ⁃ logging a basic object
+    ・deep-object ⁃ logging a large object
+    ・multi-arg   ⁃ multiple log method arguments
+    ・child      ⁃ child from a parent
+    ・child-child ⁃ child from a child
+    ・child-creation ⁃ child constructor
+    ・formatters ⁃ difference between with or without formatters
+
+    Example:
+
+      node runbench basic
+  `)
+}
+
+if (!process.argv[2]) {
+  usage()
+  process.exit()
+}
+
+const quiet = process.argv[3] === '-q'
+
+const selectedBenchmark = process.argv[2].toLowerCase()
+const benchmarkDir = resolve(__dirname, '..')
+const benchmarks = {
+  basic: 'basic.bench.js',
+  object: 'object.bench.js',
+  'deep-object': 'deep-object.bench.js',
+  'multi-arg': 'multi-arg.bench.js',
+  'long-string': 'long-string.bench.js',
+  child: 'child.bench.js',
+  'child-child': 'child-child.bench.js',
+  'child-creation': 'child-creation.bench.js',
+  formatters: 'formatters.bench.js'
+}
+
+function runBenchmark (name, done) {
+  const benchmarkResults = {}
+  benchmarkResults[name] = {}
+
+  const processor = through(function (line, enc, cb) {
+    const [label, time] = ('' + line).split(': ')
+    const [target, iterations] = label.split('*')
+    const logger = target.replace('bench', '')
+
+    if (!benchmarkResults[name][logger]) benchmarkResults[name][logger] = []
+
+    benchmarkResults[name][logger].push({
+      time: time.replace('ms', ''),
+      iterations: iterations.replace(':', '')
+    })
+
+    cb()
+  })
+
+  if (quiet === false) console.log(`Running ${name.toUpperCase()} benchmark\n`)
+
+  const benchmark = spawn(
+    process.argv[0],
+    [join(benchmarkDir, benchmarks[name])]
+  )
+
+  if (quiet === false) {
+    benchmark.stdout.pipe(process.stdout)
+  }
+
+  pump(benchmark.stdout, split(), processor)
+
+  benchmark.on('exit', () => {
+    console.log()
+    if (done && typeof done === 'function') done(null, benchmarkResults)
+  })
+}
+
+function sum (arr) {
+  let result = 0
+  for (var i = 0; i < arr.length; i += 1) {
+    result += Number.parseFloat(arr[i].time)
+  }
+  return result
+}
+
+function displayResults (results) {
+  if (quiet === false) console.log('==========')
+  const benchNames = Object.keys(results)
+  for (var i = 0; i < benchNames.length; i += 1) {
+    console.log(`${benchNames[i].toUpperCase()} benchmark averages`)
+    const benchmark = results[benchNames[i]]
+    const loggers = Object.keys(benchmark)
+    for (var j = 0; j < loggers.length; j += 1) {
+      const logger = benchmark[loggers[j]]
+      const average = sum(logger) / logger.length
+      console.log(`${loggers[j]} average: ${average.toFixed(3)}ms`)
+    }
+  }
+  if (quiet === false) {
+    console.log('==========')
+    console.log(
+      `System: ${type()}/${platform()} ${arch()} ${release()}`,
+      `~ ${cpus()[0].model} (cores/threads: ${cpus().length})`
+    )
+  }
+}
+
+function toBench (done) {
+  runBenchmark(this.name, done)
+}
+
+const benchQueue = []
+if (selectedBenchmark !== 'all') {
+  benchQueue.push(toBench.bind({ name: selectedBenchmark }))
+} else {
+  const keys = Object.keys(benchmarks)
+  for (var i = 0; i < keys.length; i += 1) {
+    benchQueue.push(toBench.bind({ name: keys[i] }))
+  }
+}
+steed.series(benchQueue, function (err, results) {
+  if (err) return console.error(err.message)
+  results.forEach(displayResults)
+})

backend/node_modules/pino/benchmarks/utils/wrap-log-level.js

@@ -0,0 +1,55 @@
+'use strict'
+
+const { readFileSync } = require('node:fs')
+const vm = require('vm')
+const { join } = require('node:path')
+const code = readFileSync(
+  join(__dirname, '..', '..', 'node_modules', 'loglevel', 'lib', 'loglevel.js')
+)
+const { Console } = require('console')
+
+function build (dest) {
+  const sandbox = {
+    module: {},
+    console: new Console(dest, dest)
+  }
+  const context = vm.createContext(sandbox)
+
+  const script = new vm.Script(code)
+  script.runInContext(context)
+
+  const loglevel = sandbox.log
+
+  const originalFactory = loglevel.methodFactory
+  loglevel.methodFactory = function (methodName, logLevel, loggerName) {
+    const rawMethod = originalFactory(methodName, logLevel, loggerName)
+
+    return function () {
+      const time = new Date()
+      let array
+      if (typeof arguments[0] === 'string') {
+        arguments[0] = '[' + time.toISOString() + '] ' + arguments[0]
+        rawMethod.apply(null, arguments)
+      } else {
+        array = new Array(arguments.length + 1)
+        array[0] = '[' + time.toISOString() + ']'
+        for (var i = 0; i < arguments.length; i++) {
+          array[i + 1] = arguments[i]
+        }
+        rawMethod.apply(null, array)
+      }
+    }
+  }
+
+  loglevel.setLevel(loglevel.levels.INFO)
+  return loglevel
+}
+
+module.exports = build
+
+if (require.main === module) {
+  const loglevel = build(process.stdout)
+  loglevel.info('hello')
+  loglevel.info({ hello: 'world' })
+  loglevel.info('hello %j', { hello: 'world' })
+}