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#!/usr/bin/env node
'use strict'
const ansi = require('ansi-escape-sequences')
const path = require('path')
const arrayify = require('array-back')
const t = require('typical')
const CommandLineTool = require('command-line-tool')
const MiddlewareStack = require('./middleware-stack')
const debug = require('./debug')
const tool = new CommandLineTool()
class LocalWebServer extends MiddlewareStack {
getApplication () {
const Koa = require('koa')
const app = new Koa()
app.use(this.compose(this.options))
return app
}
getServer () {
const options = this.options
let key = options.key
let cert = options.cert
const app = this.getApplication()
app.on('error', err => {
if (options['log-format']) {
console.error(ansi.format(err.message, 'red'))
}
})
if (options.https) {
key = path.resolve(__dirname, '..', 'ssl', '127.0.0.1.key')
cert = path.resolve(__dirname, '..', 'ssl', '127.0.0.1.crt')
}
let server = null
if (key && cert) {
const fs = require('fs')
const serverOptions = {
key: fs.readFileSync(key),
cert: fs.readFileSync(cert)
}
const https = require('https')
server = https.createServer(serverOptions, app.callback())
server.isHttps = true
} else {
const http = require('http')
server = http.createServer(app.callback())
}
return server
}
start () {
const options = collectOptions(this.getOptionDefinitions())
this.options = options
if (options.verbose) {
debug.setLevel(1)
}
if (options.config) {
tool.stop(JSON.stringify(options, null, ' '), 0)
} else if (options.version) {
const pkg = require(path.resolve(__dirname, '..', 'package.json'))
tool.stop(pkg.version)
} else {
const server = this.getServer()
server.listen(options.port, onServerUp.bind(null, options, server.isHttps))
return server
}
}
}
function onServerUp (options, isHttps) {
const ipList = getIPList(isHttps)
.map(iface => `[underline]{${isHttps ? 'https' : 'http'}://${iface.address}:${options.port}}`)
.join(', ')
console.error(ansi.format(
path.resolve(options.directory) === process.cwd()
? `serving at ${ipList}`
: `serving [underline]{${options.directory}} at ${ipList}`
))
}
function getIPList (isHttps) {
const flatten = require('reduce-flatten')
const os = require('os')
let ipList = Object.keys(os.networkInterfaces())
.map(key => os.networkInterfaces()[key])
.reduce(flatten, [])
.filter(iface => iface.family === 'IPv4')
ipList.unshift({ address: os.hostname() })
return ipList
}
/**
* Return default, stored and command-line options combined
*/
function collectOptions (mwOptionDefinitions) {
const loadConfig = require('config-master')
const stored = loadConfig('local-web-server')
const cli = require('../lib/cli-data')
/* parse command line args */
const definitions = cli.optionDefinitions.concat(arrayify(mwOptionDefinitions))
let cliOptions = tool.getOptions(definitions, cli.usage(definitions))
/* override built-in defaults with stored config and then command line options */
const options = Object.assign({
port: 8000,
directory: process.cwd()
}, stored, cliOptions.server, cliOptions.middleware, cliOptions.misc)
// console.error(require('util').inspect(options, { depth: 3, colors: true }))
validateOptions(options)
return options
}
function validateOptions (options) {
if (!t.isNumber(options.port)) {
tool.printError('--port must be numeric')
console.error(tool.usage)
tool.halt()
}
}
module.exports = LocalWebServer