Mode development. Boilerplate finished

.gitignore

@@ -102,3 +102,7 @@ dist
 
 # TernJS port file
 .tern-port
+
+# Custom ignore
+db.json
+package-lock.json

.npmrc

@@ -0,0 +1 @@
+package-lock=false

config.json

@@ -0,0 +1,6 @@
+{
+  "name": "service-core",
+  "serviceName": "Service-Core Node",
+  "description": "NodeJS Test Service",
+  "port": 4269
+}

db.mjs

@@ -0,0 +1,153 @@
+import lowdb from 'lowdb'
+import FileAsync from 'lowdb/adapters/FileAsync.js'
+
+let lastId = -1
+
+// Take from https://github.com/typicode/lodash-id/blob/master/src/index.js
+// from package lodash-id
+const lodashId = {
+  // Empties properties
+  __empty: function (doc) {
+    this.forEach(doc, function (value, key) {
+      delete doc[key]
+    })
+  },
+
+  // Copies properties from an object to another
+  __update: function (dest, src) {
+    this.forEach(src, function (value, key) {
+      dest[key] = value
+    })
+  },
+
+  // Removes an item from an array
+  __remove: function (array, item) {
+    var index = this.indexOf(array, item)
+    if (index !== -1) array.splice(index, 1)
+  },
+
+  __id: function () {
+    var id = this.id || 'id'
+    return id
+  },
+
+  getById: function (collection, id) {
+    var self = this
+    return this.find(collection, function (doc) {
+      if (self.has(doc, self.__id())) {
+        return doc[self.__id()] === id
+      }
+    })
+  },
+
+  createId: function (collection, doc) {
+    let next = new Date().getTime()
+    if (next <= lastId) {
+      next = lastId + 1
+    }
+    lastId = next
+    return next
+  },
+
+  insert: function (collection, doc) {
+    doc[this.__id()] = doc[this.__id()] || this.createId(collection, doc)
+    var d = this.getById(collection, doc[this.__id()])
+    if (d) throw new Error('Insert failed, duplicate id')
+    collection.push(doc)
+    return doc
+  },
+
+  upsert: function (collection, doc) {
+    if (doc[this.__id()]) {
+      // id is set
+      var d = this.getById(collection, doc[this.__id()])
+      if (d) {
+        // replace properties of existing object
+        this.__empty(d)
+        this.assign(d, doc)
+      } else {
+        // push new object
+        collection.push(doc)
+      }
+    } else {
+      // create id and push new object
+      doc[this.__id()] = this.createId(collection, doc)
+      collection.push(doc)
+    }
+
+    return doc
+  },
+
+  updateById: function (collection, id, attrs) {
+    var doc = this.getById(collection, id)
+
+    if (doc) {
+      this.assign(doc, attrs, {id: doc.id})
+    }
+
+    return doc
+  },
+
+  updateWhere: function (collection, predicate, attrs) {
+    var self = this
+    var docs = this.filter(collection, predicate)
+
+    docs.forEach(function (doc) {
+      self.assign(doc, attrs, {id: doc.id})
+    })
+
+    return docs
+  },
+
+  replaceById: function (collection, id, attrs) {
+    var doc = this.getById(collection, id)
+
+    if (doc) {
+      var docId = doc.id
+      this.__empty(doc)
+      this.assign(doc, attrs, {id: docId})
+    }
+
+    return doc
+  },
+
+  removeById: function (collection, id) {
+    var doc = this.getById(collection, id)
+
+    this.__remove(collection, doc)
+
+    return doc
+  },
+
+  removeWhere: function (collection, predicate) {
+    var self = this
+    var docs = this.filter(collection, predicate)
+
+    docs.forEach(function (doc) {
+      self.__remove(collection, doc)
+    })
+
+    return docs
+  }
+}
+
+const adapter = new FileAsync('db.json')
+
+export default function GetDB(log) {
+  return lowdb(adapter)
+    .then(function(db) {
+      db._.mixin(lodashId)
+
+      db.defaults({
+          lastActiveVersion: null,
+          version: 1,
+        })
+        .write()
+        .then(
+          function() { },
+          function(e) { log.error(e, 'Error writing defaults to lowdb') }
+        )
+      
+      return db
+    })
+}

example/api/core/ioroutes.mjs

@@ -0,0 +1,28 @@
+import { formatLog } from './loghelper.mjs'
+
+/*
+ * Event: 'core.config'
+ *
+ * Get config
+ */
+export async function config(ctx) {
+  ctx.socket.emit('core.config', ctx.config)
+}
+
+/*
+ * Event: 'core.getlastlogs'
+ *
+ * Returns last few log messages from log
+ */
+export async function getlastlogs(ctx, data, cb) {
+  cb(ctx.logroot.ringbuffer.records.map(formatLog))
+}
+
+/*
+ * Event: 'core.listenlogs'
+ *
+ * Start listening to new log lines
+ */
+export async function listenlogs(ctx) {
+  ctx.socket.join('logger')
+}

example/api/core/loghelper.mjs

@@ -0,0 +1,181 @@
+import _ from 'lodash'
+import { format } from 'util'
+
+// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+// Suggested colors (some are unreadable in common cases):
+// - Good: cyan, yellow (limited use), bold, green, magenta, red
+// - Bad: blue (not visible on cmd.exe), grey (same color as background on
+//   Solarized Dark theme from <https://github.com/altercation/solarized>, see
+//   issue #160)
+var colors = {
+  'bold' : [1, 22],
+  'italic' : [3, 23],
+  'underline' : [4, 24],
+  'inverse' : [7, 27],
+  'white' : [37, 39],
+  'grey' : [90, 39],
+  'black' : [30, 39],
+  'blue' : [34, 39],
+  'cyan' : [36, 39],
+  'green' : [32, 39],
+  'magenta' : [35, 39],
+  'red' : [31, 39],
+  'yellow' : [33, 39]
+};
+
+// Levels
+var TRACE = 10;
+var DEBUG = 20;
+var INFO = 30;
+var WARN = 40;
+var ERROR = 50;
+var FATAL = 60;
+
+var levelFromName = {
+    'trace': TRACE,
+    'debug': DEBUG,
+    'info': INFO,
+    'warn': WARN,
+    'error': ERROR,
+    'fatal': FATAL
+};
+
+var upperPaddedNameFromLevel = {};
+Object.keys(levelFromName).forEach(function (name) {
+    var lvl = levelFromName[name];
+    upperPaddedNameFromLevel[lvl] = (
+        name.length === 4 ? ' ' : '') + name.toUpperCase();
+});
+
+function stylize(str, color) {
+  if (!str)
+      return '';
+  var codes = colors[color];
+  if (codes) {
+      return '\\033[' + codes[0] + 'm' + str +
+                   '\\033[' + codes[1] + 'm';
+  } else {
+      return str;
+  }
+}
+
+export function formatLog(data) {
+  let rec = _.cloneDeep(data)
+
+  delete rec.v;
+
+  // Time.
+  var time = '[' + rec.time.toISOString().replace('T', ' ').replace('Z', '') + ']'
+  time = stylize(time, 'none')
+
+  delete rec.time;
+
+  var nameStr = rec.name;
+  delete rec.name;
+
+  if (rec.component) {
+      nameStr += '/' + rec.component;
+  }
+  delete rec.component;
+
+  nameStr += '/' + rec.pid;
+  delete rec.pid;
+
+  var level = (upperPaddedNameFromLevel[rec.level] || 'LVL' + rec.level);
+  var colorFromLevel = {
+      10: 'white',    // TRACE
+      20: 'yellow',   // DEBUG
+      30: 'cyan',     // INFO
+      40: 'magenta',  // WARN
+      50: 'red',      // ERROR
+      60: 'inverse',  // FATAL
+  };
+  level = stylize(level, colorFromLevel[rec.level]);
+  delete rec.level;
+
+  var src = '';
+  if (rec.src && rec.src.file) {
+      var s = rec.src;
+      if (s.func) {
+          src = format(' (%s:%d in %s)', s.file, s.line, s.func);
+      } else {
+          src = format(' (%s:%d)', s.file, s.line);
+      }
+      src = stylize(src, 'green');
+  }
+  delete rec.src;
+
+  var hostname = rec.hostname;
+  delete rec.hostname;
+
+  var extras = [];
+  var details = [];
+
+  if (rec.req_id) {
+      extras.push('req_id=' + rec.req_id);
+  }
+  delete rec.req_id;
+
+  var onelineMsg;
+  if (rec.msg.indexOf('\n') !== -1) {
+      onelineMsg = '';
+      details.push(indent(stylize(rec.msg, 'cyan')));
+  } else {
+      onelineMsg = ' ' + stylize(rec.msg, 'cyan');
+  }
+  delete rec.msg;
+
+  if (rec.err && rec.err.stack) {
+      var err = rec.err
+      if (typeof (err.stack) !== 'string') {
+          details.push(indent(err.stack.toString()));
+      } else {
+          details.push(indent(err.stack));
+      }
+      delete err.message;
+      delete err.name;
+      delete err.stack;
+      // E.g. for extra 'foo' field on 'err', add 'err.foo' at
+      // top-level. This *does* have the potential to stomp on a
+      // literal 'err.foo' key.
+      Object.keys(err).forEach(function (k) {
+          rec['err.' + k] = err[k];
+      })
+      delete rec.err;
+  }
+
+  var leftover = Object.keys(rec);
+  for (var i = 0; i < leftover.length; i++) {
+      var key = leftover[i];
+      var value = rec[key];
+      var stringified = false;
+      if (typeof (value) !== 'string') {
+          value = JSON.stringify(value, null, 2);
+          stringified = true;
+      }
+      if (value.indexOf('\n') !== -1 || value.length > 50) {
+          details.push(indent(key + ': ' + value));
+      } else if (!stringified && (value.indexOf(' ') != -1 ||
+          value.length === 0))
+      {
+          extras.push(key + '=' + JSON.stringify(value));
+      } else {
+          extras.push(key + '=' + value);
+      }
+  }
+
+  extras = stylize(
+      (extras.length ? ' (' + extras.join(', ') + ')' : ''), 'none');
+  details = stylize(
+      (details.length ? details.join('\n    --\n') + '\n' : ''), 'none');
+  
+  return format('%s %s: %s on %s%s:%s%s\n%s',
+    time,
+    level,
+    nameStr,
+    hostname || '<no-hostname>',
+    src,
+    onelineMsg,
+    extras,
+    details)
+}

example/api/core/logmonitor.mjs

@@ -0,0 +1,7 @@
+import { formatLog } from './loghelper.mjs'
+
+export default function logmonitor(io, config, db, log) {
+  log.on('newlog', function(data) {
+    io.to('logger').emit('newlog', formatLog(data))
+  })
+}

example/api/routerio.mjs

@@ -0,0 +1,50 @@
+import * as core from './core/ioroutes.mjs'
+
+function register(ctx, name, method) {
+  if (typeof(method) === 'object') {
+    Object.keys(method).forEach(key => {
+      register(ctx, [name, key].join('.'), method[key])
+    })
+    return
+  }
+
+  ctx.socket.on(name, async function(data, cb) {
+    ctx.log.debug('Got event', name)
+
+    try {
+      await method(ctx, data, cb)
+    }
+    catch (error) {
+      ctx.log.error(error, `Error processing ${name}`)      
+    }
+  })
+}
+
+
+function onConnection(server, config, db, log, data) {
+  const io = server
+  const socket = data
+
+  const child = log.child({
+    id: socket.id,
+  })
+
+  child.info('Got new socket connection')
+
+  let ctx = {
+    config,
+    io,
+    socket,
+    log: child,
+    db,
+    logroot: log,
+  }
+
+  ctx.socket.on('disconnect', function() {
+    child.info('Closed connection')
+  })
+
+  register(ctx, 'core', core)
+}
+
+export default onConnection

example/api/server.mjs

@@ -0,0 +1,80 @@
+import http from 'http'
+import path from 'path'
+import { fileURLToPath } from 'url'
+import socket from 'socket.io-serveronly'
+import nStatic from 'node-static'
+import logmonitor from './core/logmonitor.mjs'
+
+import onConnection from './routerio.mjs'
+
+export function run(config, db, log, next) {
+  const __dirname = path.dirname(fileURLToPath(import.meta.url))
+  const staticRoot = path.join(__dirname,'../public')
+
+  const fileServer = new nStatic.Server(staticRoot)
+  const server = http.createServer(function (req, res) {
+    const child = log.child({})
+
+    const d1 = new Date().getTime()
+
+    let finishedRequest = false
+    var done = function () {
+      if (finishedRequest) return
+      finishedRequest = true
+      if (req.url === '/main.css.map') return
+      var requestTime = new Date().getTime() - d1
+
+      let level = 'debug'
+      if (res.statusCode >= 400) {
+        level = 'warn'
+      }
+      if (res.statusCode >= 500) {
+        level = 'error'
+      }
+
+      let status = ''
+      if (res.statusCode >= 400) {
+        status = res.statusCode + ' '
+      }
+
+      child[level]({
+        duration: requestTime,
+        status: res.statusCode,
+      }, `<-- ${status}${req.method} ${req.url}`)
+    }
+    
+    res.addListener('finish', done);
+    res.addListener('close', done);
+
+    req.addListener('end', function () {
+      if (req.url === '/') {
+        res.writeHead(302, { Location: '/index.html' })
+        return res.end()
+      }
+
+      fileServer.serve(req, res, function (err) {
+        if (err) {
+          if (err.status !== 404) {
+            log.error(err, req.url);
+          }
+
+          res.writeHead(err.status, err.headers);
+          res.end(err.message);
+        }
+      });
+    }).resume()
+  })
+
+  const io = new socket(server)
+  io.on('connection', onConnection.bind(this, io, config, db, log))
+
+  logmonitor(io, config, db, log)
+
+  server.listen(config.port, '0.0.0.0', function(err) {
+    if (err) {
+      log.fatal(err)
+      return process.exit(2)
+    }
+    log.info(`Server is listening on ${config.port} serving files on ${staticRoot}`)
+  })
+}

example/app/frontpage/frontpage.js

@@ -0,0 +1,11 @@
+const m = require('mithril')
+
+const Frontpage = {
+  view: function() {
+    return [
+      m('h4.header', 'Frontpage'),
+    ]
+  }
+}
+
+module.exports = Frontpage

example/app/header.js

@@ -0,0 +1,39 @@
+const m = require('mithril')
+const socket = require('./socket')
+
+const Header = {
+  oninit: function() {
+    this.connected = socket.connected
+
+    socket.on('connect', () => {
+      this.connected = true
+      m.redraw()
+    })
+    socket.on('disconnect', () => {
+      this.connected = false
+      m.redraw()
+    })
+  },
+  view: function() {
+    let path = m.route.get()
+
+    return [
+      m('div.seperator'),
+      m(m.route.Link, {
+        href: '/',
+        class: path === '/' ? 'active' : '',
+      }, 'Frontpage'),
+      m('div.seperator'),
+      m(m.route.Link, {
+        href: '/log',
+        class: path === '/log' ? 'active' : '',
+      }, 'Log'),
+      m('div.seperator'),
+      !this.connected && m('div.disconnected', `
+        Lost connection with server, Attempting to reconnect
+      `) || null,
+    ]
+  }
+}
+
+module.exports = Header

example/app/index.js

@@ -0,0 +1,28 @@
+/**
+ * @license
+ * stream-manager <https://filadelfia.is>
+ * Copyright 2015 Jonatan Nilsson <http://jonatan.nilsson.is/>
+ *
+ * Available under WTFPL License (http://www.wtfpl.net/txt/copying/)
+*/
+
+'use strict'
+
+//Add debug components to window. Allows us to play with controls
+//in the console. 
+window.components = {}
+
+require('./socket')
+
+const m = require('mithril')
+const Header = require('./header')
+
+const Frontpage = require('./frontpage/frontpage')
+const Log = require('./log/log')
+
+m.mount(document.getElementById('header'), Header)
+
+m.route(document.getElementById('content'), '/', {
+    '/': Frontpage,
+    '/log': Log,
+})

example/app/log/log.js

@@ -0,0 +1,56 @@
+const m = require('mithril')
+const socket = require('../socket')
+
+const Log = {
+  oninit: function() {
+    this.connected = socket.connected
+    this.loglines = []
+    
+    socket.on('newlog', data => {
+      this.loglines.push(this.formatLine(data))
+      m.redraw()
+    })
+
+    socket.on('connect', () => {
+      this.loglines = []
+      this.loadData()
+      socket.emit('core.listenlogs', {})
+      m.redraw()
+    })
+
+    this.loadData()
+  },
+
+  loadData: function() {
+    socket.emit('core.getlastlogs', {}, (res) => {
+      this.loglines = res.map(this.formatLine)
+      m.redraw()
+    })
+  },
+
+  formatLine: function(line) {
+    return m.trust(line.replace(/\\033\[37m/g, '<span class="white">')
+                       .replace(/\\033\[33m/g, '<span class="yellow">')
+                       .replace(/\\033\[36m/g, '<span class="cyan">')
+                       .replace(/\\033\[35m/g, '<span class="magenta">')
+                       .replace(/\\033\[31m/g, '<span class="red">')
+                       .replace(/\\033\[7m/g, '<span class="inverse">')
+                       .replace(/\\033\[32m/g, '<span class="green">')
+                       .replace(/\\033\[27m/g, '</span>')
+                       .replace(/\\033\[39m/g, '</span>'))
+  },
+
+  view: function() {
+    return [
+      m('h1.header', 'Log'),
+      m('div#logger', [
+        this.loglines.map((line, i) => {
+          return m('div', { key: i }, line)
+        }),
+        m('div.padder'),
+      ]),
+    ]
+  }
+}
+
+module.exports = Log

example/app/socket.js

@@ -0,0 +1,4 @@
+var io = require('./client')
+var socket = io()
+
+module.exports = socket

example/build.bat

@@ -0,0 +1 @@
+@ECHO off

example/index.mjs

@@ -0,0 +1,5 @@
+export function start(config, db, log, next) {
+  return import('./api/server.mjs').then(function(module) {
+    return module.run(config, db, log, next)
+  })
+}

example/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "app",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "js:build:main": "asbundle app/index.js public/main.js",
+    "dev": "nodemon --watch app --exec \"npm run js:build:main\"",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "asbundle": "^2.6.1",
+    "mithril": "^2.0.4",
+    "node-static": "^0.7.11",
+    "nodemon": "^2.0.4",
+    "socket.io-serveronly": "^2.3.0"
+  }
+}

example/public/index.html

@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta content="text/html;charset=utf-8" http-equiv="Content-Type">
+  <meta content="utf-8" http-equiv="encoding">
+  <title>Service Core</title>
+  <link href="/main.css" rel="stylesheet" />
+</head>
+<body>
+  <section id="header"></section>
+  <main id="content"></main>
+  <script src="main.js"></script>
+</body>
+</html>

example/public/main.css

@@ -0,0 +1,129 @@
+html {
+  box-sizing: border-box;
+  font-size: 16px;
+  height: 100%;
+}
+
+*, *:before, *:after {
+  box-sizing: inherit;
+}
+
+body, h1, h2, h3, h4, h5, h6, p {
+  margin: 0;
+  padding: 0;
+  font-weight: normal;
+}
+
+body {
+  background: #3d3d3d;
+  color: #f1f1f1;
+  display: flex;
+  font-size: 16px;
+  min-height: 100vh;
+  flex-direction: column;
+  font-family: Helvetica, sans-serif, Arial;
+}
+
+a, a:visited {
+  color: #eee;
+  text-decoration: underline;
+}
+
+#header {
+  display: flex;
+  justify-content: center;
+  width: 100%;
+  background: #292929;
+  align-items: center;
+}
+
+#header a {
+  width: 150px;
+  text-align: center;
+  padding: 1rem;
+}
+
+#header .seperator {
+  border-right: 1px solid #999;
+  height: 1rem;
+}
+
+/* Container */
+.container {
+  display: flex;
+  align-items: stretch;
+  flex-direction: column;
+  flex-grow: 2;
+}
+
+.disconnected {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0,0,0,0.8);
+  color: #fff;
+  font-size: 1em;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+main {
+  display: flex;
+  flex-direction: column;
+  align-items: stretch;
+  flex-grow: 2;
+  width: 100%;
+}
+
+main h1 {
+  text-align: center;
+  font-size: 1.6rem;
+  line-height: 3.6rem;
+}
+
+form.login {
+  align-self: center;
+  display: flex;
+  flex-direction: column;
+}
+
+
+/***************** Log ********************/
+#logger {
+  margin: 0 2rem;
+  display: flex;
+  flex-direction: column;
+  border: 1px solid #999;
+  padding: 0.5rem;
+  overflow-y: scroll;
+  height: calc(100vh - 160px);
+  background: #0c0c0c;
+}
+
+#logger div {
+  color: #ccc;
+  margin-left: 1rem;
+  text-indent: -1rem;
+  line-height: 1.4rem;
+  margin-bottom: 0.1rem;
+}
+
+#logger span.white { color: rgb(242,242,242); }
+#logger span.yellow { color: rgb(193,156,0); }
+#logger span.cyan { color: rgb(58,150,221); }
+#logger span.magenta { color: rgb(136,23,152); }
+#logger span.red { color: rgb(197,15,31); }
+#logger span.green { color: rgb(19,161,14); }
+#logger span.inverse {
+  color: #0c0c0c;
+  background: white;
+  display: inline-block;
+}
+
+#logger .padder {
+  height: 0.5rem;
+  flex: 0 0 auto;
+}

install.bat

@@ -0,0 +1 @@
+node service\install.mjs

log.mjs

@@ -0,0 +1,57 @@
+import nodewindows from 'node-windows'
+import bunyan from 'bunyan-lite'
+import lowdb from './db.mjs'
+
+export default function getLog(name) {
+  let settings
+  let ringbuffer = new bunyan.RingBuffer({ limit: 10 })
+
+  if (process.env.NODE_ENV === 'production') {
+    settings = {
+      "name": "service-core",
+      "streams": [{
+          path: 'log.log',
+          level: 'info',
+        }
+      ]
+    }
+  } else {
+    settings = {
+      "name": "service-core",
+      "streams": [{
+          "stream": process.stdout,
+          "level": "debug"
+        }
+      ]
+    }
+  }
+
+  let logger
+
+  settings.streams.push({
+    stream: ringbuffer,
+    type: 'raw',
+    level: 'info',
+  })
+
+  settings.streams.push({
+    stream: {
+      write: function(record) {
+        logger.emit('newlog', record)
+      },
+      end: function() {},
+      destroy: function() {},
+      destroySoon: function() {},
+    },
+    type: 'raw',
+    level: 'info',
+  })
+
+  // Create our logger.
+  logger = bunyan.createLogger(settings)
+
+  logger.event = new nodewindows.EventLogger(name)
+  logger.ringbuffer = ringbuffer
+
+  return logger
+}

package.json

@@ -0,0 +1,29 @@
+{
+  "name": "service-core",
+  "version": "1.0.0",
+  "description": "Core boiler plate code to install node server as windows service",
+  "main": "index.js",
+  "scripts": {
+    "dev": "nodemon --watch example/api --watch runner.mjs --watch db.mjs --watch log.mjs runner.mjs | bunyan",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/TheThing/service-core.git"
+  },
+  "author": "Jonatan Nilsson",
+  "license": "WTFPL",
+  "bugs": {
+    "url": "https://github.com/TheThing/service-core/issues"
+  },
+  "homepage": "https://github.com/TheThing/service-core#readme",
+  "dependencies": {
+    "bunyan-lite": "^1.0.1",
+    "lodash": "^4.17.20",
+    "lowdb": "^1.0.0",
+    "node-windows": "^1.0.0-beta.5"
+  },
+  "devDependencies": {
+    "nodemon": "^2.0.4"
+  }
+}

runner.mjs

@@ -0,0 +1,41 @@
+import { readFileSync } from 'fs'
+import getLog from './log.mjs'
+import lowdb from './db.mjs'
+
+let config
+
+try {
+  config = JSON.parse(readFileSync('./config.json'))
+} catch (err) {
+  let logger = getLog('critical-error')
+  logger.fatal('Error opening config file')
+  logger.fatal('Make sure it is valid JSON')
+  logger.fatal(err)
+  logger.event.error('Unable to start, error in config.json: ' + err.message)
+  process.exit(10)
+}
+
+const log = getLog(config.name)
+
+lowdb(log).then(function(db) {
+  return import('./example/index.mjs').then(function(module) {
+    return module.start(config, db, log, function(err) {
+      if (err) {
+        log.fatal(err, 'App recorded a fatal error')
+        log.event.error('App recorded a fatal error: ' + err.message)
+        process.exit(4)
+      }
+      log.warn('App asked to be shut down')
+      log.event.warn('App requested to be closed')
+      process.exit(0)
+    })
+  })
+}, function(err) {
+  log.fatal(err, 'Critical error opening database')
+  log.event.error('Critical error opening database: ' + err.message)
+  process.exit(2)
+}).catch(function(err) {
+  log.fatal(err, 'Unknown error occured opening app')
+  log.event.error('Unknown error occured opening app: ' + err.message)
+  process.exit(3)
+})

service/install.mjs

@@ -0,0 +1,11 @@
+import svc from './service.mjs'
+
+svc.on('install',function(){
+  svc.start();
+});
+
+svc.on('alreadyinstalled',function(){
+  svc.start();
+});
+
+svc.install();

service/service.mjs

@@ -0,0 +1,24 @@
+import path from 'path'
+import { readFileSync } from 'fs'
+import { fileURLToPath } from 'url'
+import nodewindows from 'node-windows'
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+let config = JSON.parse(readFileSync(path.join(__dirname,'../config.json')))
+
+const Service = nodewindows.Service
+
+// Create a new service object
+var svc = new Service({
+  name: config.serviceName,
+  description: config.description,
+  script: path.join(__dirname,'../runner.mjs'),
+  env: {
+    name: 'NODE_ENV',
+    value: 'production',
+  },
+  //, workingDirectory: '...'
+  //, allowServiceLogon: true
+});
+
+export default svc

service/start.mjs

@@ -0,0 +1,3 @@
+import svc from './service.mjs'
+
+svc.start();

service/stop.mjs

@@ -0,0 +1,3 @@
+import svc from './service.mjs'
+
+svc.stop();

service/uninstall.mjs

@@ -0,0 +1,10 @@
+import svc from './service.mjs'
+
+// Listen for the "install" event, which indicates the
+// process is available as a service.
+svc.on('uninstall',function(){
+  console.log('Uninstall complete.');
+  console.log('The service exists: ',svc.exists);
+});
+
+svc.uninstall();

start.bat

@@ -0,0 +1 @@
+node service\start.mjs

stop.bat

@@ -0,0 +1 @@
+node service\stop.mjs

uninstall.bat

@@ -0,0 +1 @@
+node service\uninstall.mjs