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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 Tool = require('command-line-tool') const tool = new Tool()
class Cli { constructor (options) { this.options = null this.app = null this.middleware = null
options = collectOptions() this.options = options
if (options.misc.config) { tool.stop(JSON.stringify(options.server, null, ' '), 0) } else { const Koa = require('koa') const app = new Koa() this.app = app
const MiddlewareStack = require('./middleware-stack') this.middleware = new MiddlewareStack(options) const a = { compress: options.server.compress, mime: options.server.mime, forbid: options.server.forbid, spa: options.server.spa, 'no-cache': options.server['no-cache'], rewrite: options.server.rewrite, verbose: options.server.verbose, mocks: options.server.mocks }
app.on('error', err => { if (options.server['log-format']) { console.error(ansi.format(err.message, 'red')) } }) } }
listen () { this.app.use(this.middleware.getMiddleware()) const options = this.options if (options.server.https) { options.server.key = path.resolve(__dirname, '..', 'ssl', '127.0.0.1.key') options.server.cert = path.resolve(__dirname, '..', 'ssl', '127.0.0.1.crt') }
if (options.server.key && options.server.cert) { const https = require('https') const fs = require('fs')
const serverOptions = { key: fs.readFileSync(options.server.key), cert: fs.readFileSync(options.server.cert) }
const server = https.createServer(serverOptions, this.app.callback()) server.listen(options.server.port, onServerUp.bind(null, options, true)) } else { this.app.listen(options.server.port, onServerUp.bind(null, options)) } } }
function onServerUp (options, isHttps) { const ipList = getIPList(isHttps) .map(iface => `[underline]{${isHttps ? 'https' : 'http'}://${iface.address}:${options.server.port}}`) .join(', ')
console.error(ansi.format( path.resolve(options.server.directory) === process.cwd() ? `serving at ${ipList}` : `serving [underline]{${options.server.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 () { const loadConfig = require('config-master') const stored = loadConfig('local-web-server') const cli = require('../lib/cli-data')
/* parse command line args */ let options = tool.getOptions(cli.optionDefinitions, cli.usage)
const builtIn = { port: 8000, directory: process.cwd() }
if (options.server.rewrite) { options.server.rewrite = parseRewriteRules(options.server.rewrite) }
/* override built-in defaults with stored config and then command line args */ options.server = Object.assign(builtIn, stored, options.server)
validateOptions(options) return options }
function parseRewriteRules (rules) { return rules && rules.map(rule => { const matches = rule.match(/(\S*)\s*->\s*(\S*)/) return { from: matches[1], to: matches[2] } }) }
function validateOptions (options) { if (!t.isNumber(options.server.port)) { tool.printError('--port must be numeric') console.error(tool.usage) tool.halt() } }
module.exports = Cli
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