dev: lock url so app restores the same game state after reloads

src/browserfs.ts

@@ -480,28 +480,29 @@ export const openWorldFromHttpDir = async (fileDescriptorUrls: string[]/*  | und
   let index
   let baseUrl
   for (const url of fileDescriptorUrls) {
-    let response: Response | undefined
+    let file
     try {
       setLoadingScreenStatus(`Trying to get world descriptor from ${new URL(url).host}`)
       const controller = new AbortController()
       setTimeout(() => {
         controller.abort()
       }, 3000)
       // eslint-disable-next-line no-await-in-loop
-      response = await fetch(url, { signal: controller.signal })
+      const response = await fetch(url, { signal: controller.signal })
+      // eslint-disable-next-line no-await-in-loop
+      file = await response.json()
     } catch (err) {
       console.error('Error fetching file descriptor', url, err)
     }
-    if (!response) continue
-    // eslint-disable-next-line no-await-in-loop
-    const file = await response.json()
+    if (!file) continue
     if (file.baseUrl) {
       baseUrl = new URL(file.baseUrl, baseUrl).toString()
       index = file.index
     } else {
       index = file
       baseUrl = baseUrlParam ?? url.split('/').slice(0, -1).join('/')
     }
+    break
   }
   if (!index) throw new Error(`The provided mapDir file is not valid descriptor file! ${fileDescriptorUrls.join(', ')}`)
   await new Promise<void>(async resolve => {

src/controls.ts

@@ -300,7 +300,7 @@ const alwaysPressedHandledCommand = (command: Command) => {
   }
 }
 
-function lockUrl () {
+export function lockUrl () {
   let newQs = ''
   if (fsState.saveLoaded) {
     const save = localServer!.options.worldFolder.split('/').at(-1)

src/index.ts

@@ -22,7 +22,7 @@ import PrismarineItem from 'prismarine-item'
 
 import { options, watchValue } from './optionsStorage'
 import './reactUi'
-import { contro, onBotCreate } from './controls'
+import { contro, lockUrl, onBotCreate } from './controls'
 import './dragndrop'
 import { possiblyCleanHandle, resetStateAfterDisconnect } from './browserfs'
 import { watchOptionsAfterViewerInit, watchOptionsAfterWorldViewInit } from './watchOptions'
@@ -692,6 +692,9 @@ async function connect (connectOptions: ConnectOptions) {
     setLoadingScreenStatus('Placing blocks (starting viewer)')
     localStorage.lastConnectOptions = JSON.stringify(connectOptions)
     connectOptions.onSuccessfulPlay?.()
+    if (process.env.NODE_ENV === 'development' && !localStorage.lockUrl && new URLSearchParams(location.search).size === 0) {
+      lockUrl()
+    }
     updateDataAfterJoin()
     if (connectOptions.autoLoginPassword) {
       bot.chat(`/login ${connectOptions.autoLoginPassword}`)