- add an ability to use RT with custom domain (#220)

Author: Valodya

package-lock.json

@@ -92,6 +92,6 @@
   "dependencies": {
     "@babel/runtime": "^7.14.6",
     "backendless-request": "^0.1.1",
-    "backendless-rt-client": "0.0.24"
+    "backendless-rt-client": "0.0.25"
   }
 }

package.json

@@ -1,10 +1,15 @@
+import Request from 'backendless-request'
 import BackendlessRTClient from 'backendless-rt-client'
 
 import Utils from './utils'
 
 export const RTListeners = BackendlessRTClient.Listeners
 export const RTScopeConnector = BackendlessRTClient.ScopeConnector
 
+function loadAppInfo(appPath) {
+  return Request.get(`${appPath}/info`)
+}
+
 export default class RT extends BackendlessRTClient {
   constructor(app) {
     const { applicationId: appId, secretKey: apiKey, appPath, debugMode } = app
@@ -13,17 +18,29 @@ export default class RT extends BackendlessRTClient {
     const lookupPath = `${appPath}/rt/lookup`
 
     super({
-      appId,
+      appId: appId || undefined,
       lookupPath,
       debugMode,
       connectQuery() {
         const userToken = app.getCurrentUserToken()
 
         return {
-          apiKey,
+          apiKey: apiKey || undefined,
           clientId,
           userToken,
         }
+      },
+
+      socketConfigTransform: async socketConfig => {
+        if (!appId) {
+          const appInfo = await loadAppInfo(appPath)
+
+          socketConfig.url = `${socketConfig.host}/${appInfo.appId}`
+          socketConfig.options.path = `/${appInfo.appId}`
+          socketConfig.options.query.apiKey = appInfo.apiKey
+        }
+
+        return socketConfig
       }
     })
 

src/rt.js

@@ -43,10 +43,10 @@ export const RTMethodTypes = {
   PUB_SUB_COMMAND: 'PUB_SUB_COMMAND',
 }
 
-export function createMockRTServer() {
+export function createMockRTServer(appId = APP_ID) {
   const server = require('http').createServer()
 
-  const io = require('socket.io')({ path: `/${APP_ID}` })
+  const io = require('socket.io')({ path: `/${appId}` })
 
   io.attach(server, {
     pingInterval: 10000,
@@ -86,7 +86,7 @@ export function createMockRTServer() {
 
   let socket
 
-  io.of(`/${APP_ID}`).on('connection', (s) => {
+  io.of(`/${appId}`).on('connection', (s) => {
     socket = s
 
     const { apiKey, clientId, userToken } = socket.handshake.query