First development of the deploy action (#6)

Deploy js code to an instance of screeps.
Some debugging tools are implemented.

Reviewed-on: #6
Co-authored-by: Philipp Horstenkamp <philipp@horstenkamp.de>
Co-committed-by: Philipp Horstenkamp <philipp@horstenkamp.de>

node_modules/simple-get/index.js

@@ -0,0 +1,121 @@
+module.exports = simpleGet
+
+var concat = require('simple-concat')
+var http = require('http')
+var https = require('https')
+var once = require('once')
+var querystring = require('querystring')
+var decompressResponse = require('decompress-response') // excluded from browser build
+var url = require('url')
+
+function simpleGet (opts, cb) {
+  opts = typeof opts === 'string' ? {url: opts} : Object.assign({}, opts)
+  cb = once(cb)
+
+  opts.headers = Object.assign({}, opts.headers)
+
+  Object.keys(opts.headers).forEach(function (h) {
+    if (h.toLowerCase() !== h) {
+      opts.headers[h.toLowerCase()] = opts.headers[h]
+      delete opts.headers[h]
+    }
+  })
+
+  if (opts.url) {
+    var loc = url.parse(opts.url)
+    if (loc.hostname) opts.hostname = loc.hostname
+    if (loc.port) opts.port = loc.port
+    if (loc.protocol) opts.protocol = loc.protocol
+    if (loc.auth) opts.auth = loc.auth
+    opts.path = loc.path
+    delete opts.url
+  }
+
+  if (opts.maxRedirects == null) opts.maxRedirects = 10
+  if (opts.method) opts.method = opts.method.toUpperCase()
+
+  var body
+  if (opts.body) {
+    body = opts.json && !isStream(opts.body) ? JSON.stringify(opts.body) : opts.body
+  } else if (opts.form) {
+    body = typeof opts.form === 'string' ? opts.form : querystring.stringify(opts.form)
+    opts.headers['content-type'] = 'application/x-www-form-urlencoded'
+  }
+  delete opts.body; delete opts.form
+
+  if (body) {
+    if (!opts.method) opts.method = 'POST'
+    if (!isStream(body)) opts.headers['content-length'] = Buffer.byteLength(body)
+    if (opts.json) opts.headers['content-type'] = 'application/json'
+  }
+
+  if (opts.json) opts.headers.accept = 'application/json'
+  if (!opts.headers['accept-encoding']) opts.headers['accept-encoding'] = 'gzip, deflate' // Prefer gzip
+
+  var originalHost = opts.hostname // hostname before potential redirect
+  var protocol = opts.protocol === 'https:' ? https : http // Support http/https urls
+  var req = protocol.request(opts, function (res) {
+    if (res.statusCode >= 300 && res.statusCode < 400 && 'location' in res.headers) {
+      opts.url = res.headers.location // Follow 3xx redirects
+      delete opts.headers.host // Discard `host` header on redirect (see #32)
+      res.resume() // Discard response
+
+      var redirectHost = url.parse(opts.url).hostname // eslint-disable-line node/no-deprecated-api
+      // If redirected host is different than original host, drop headers to prevent cookie leak (#73)
+      if (redirectHost !== null && redirectHost !== originalHost) {
+        delete opts.headers.cookie
+        delete opts.headers.authorization
+      }
+
+      if ((res.statusCode === 301 || res.statusCode === 302) && opts.method === 'POST') {
+        opts.method = 'GET' // On 301/302 redirect, change POST to GET (see #35)
+        delete opts.headers['content-length']
+        delete opts.headers['content-type']
+      }
+
+      if (opts.maxRedirects === 0) return cb(new Error('too many redirects'))
+      opts.maxRedirects -= 1
+      return simpleGet(opts, cb)
+    }
+
+    var tryUnzip = typeof decompressResponse === 'function' && opts.method !== 'HEAD'
+    cb(null, tryUnzip ? decompressResponse(res) : res)
+  })
+  req.on('timeout', function () {
+    req.abort()
+    cb(new Error('Request timed out'))
+  })
+  req.on('error', cb)
+
+  if (body && isStream(body)) body.on('error', cb).pipe(req)
+  else req.end(body)
+
+  return req
+}
+
+simpleGet.concat = function (opts, cb) {
+  return simpleGet(opts, function (err, res) {
+    if (err) return cb(err)
+    concat(res, function (err, data) {
+      if (err) return cb(err)
+      if (opts.json) {
+        try {
+          data = JSON.parse(data.toString())
+        } catch (err) {
+          return cb(err, res, data)
+        }
+      }
+      cb(null, res, data)
+    })
+  })
+}
+
+;['get', 'post', 'put', 'patch', 'head', 'delete'].forEach(function (method) {
+  simpleGet[method] = function (opts, cb) {
+    if (typeof opts === 'string') opts = {url: opts}
+    opts.method = method.toUpperCase()
+    return simpleGet(opts, cb)
+  }
+})
+
+function isStream (obj) { return typeof obj.pipe === 'function' }