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#!/usr/bin/env node
'use strict'
const localWebServer = require('../')
const cliOptions = require('../lib/cli-options')
const commandLineArgs = require('command-line-args')
const ansi = require('ansi-escape-sequences')
const loadConfig = require('config-master')
const path = require('path')
const os = require('os')
const arrayify = require('array-back')
const t = require('typical')
const flatten = require('reduce-flatten')
const cli = commandLineArgs(cliOptions.definitions)
const usage = cli.getUsage(cliOptions.usageData)
const stored = loadConfig('local-web-server')
const options = collectOptions()
if (options.misc.help) stop(usage, 0)
if (options.misc.config) stop(JSON.stringify(options.server, null, ' '), 0)
validateOptions(options)
const app = localWebServer({
static: {
root: options.server.directory,
options: {
hidden: true
}
},
serveIndex: {
path: options.server.directory,
options: {
icons: true,
hidden: true
}
},
log: {
format: options.server['log-format']
},
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
})
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')
}
let isHttps = false
if (options.server.key && options.server.cert) {
const https = require('https')
const fs = require('fs')
isHttps = true
const serverOptions = {
key: fs.readFileSync(options.server.key),
cert: fs.readFileSync(options.server.cert)
}
const server = https.createServer(serverOptions, app.callback())
server.listen(options.server.port, onServerUp)
} else {
app.listen(options.server.port, onServerUp)
}
function stop (msgs, exitCode) {
arrayify(msgs).forEach(msg => console.error(ansi.format(msg)))
process.exit(exitCode)
}
function onServerUp () {
let ipList = Object.keys(os.networkInterfaces())
.map(key => os.networkInterfaces()[key])
.reduce(flatten, [])
.filter(iface => iface.family === 'IPv4')
ipList.unshift({ address: os.hostname() })
ipList = ipList
.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 collectOptions () {
let options = {}
/* parse command line args */
try {
options = cli.parse()
} catch (err) {
stop([ `[red]{Error}: ${err.message}`, usage ], 1)
}
const builtIn = {
port: 8000,
directory: process.cwd(),
forbid: [],
rewrite: []
}
if (options.server.rewrite) {
options.server.rewrite = parseRewriteRules(options.server.rewrite)
}
/* override built-in defaults with stored config and then command line args */
options.server = Object.assign(builtIn, stored, options.server)
return options
}
function parseRewriteRules (rules) {
return rules && rules.map(rule => {
const matches = rule.match(/(\S*)\s*->\s*(\S*)/)
return {
from: matches[1],
to: matches[2]
}
})
}
function validateOptions (options) {
function invalid (msg) {
return `[red underline]{Invalid:} [bold]{${msg}}`
}
if (!t.isNumber(options.server.port)) {
stop([ invalid(`--port must be numeric [value=${options.server.port}]`), usage ], 1)
}
}