New fullscreen chat WIP:

* Fullscreen chat: now uses a custom page (in other words: when opening the chat in a new tab, you will have the Peertube menu). WIP
* some code refactoring (getBaseRoute moved to util/uri, ...)

client/videowatch/uri.ts

@@ -1,6 +1,7 @@
 import type { RegisterClientOptions } from '@peertube/peertube-types/client'
 import type { Video } from '@peertube/peertube-types'
 import { AutoColors, isAutoColorsAvailable } from 'shared/lib/autocolors'
+import { getBaseRoute } from '../utils/uri'
 import { logger } from './logger'
 import { computeAutoColors } from './colors'
 
@@ -11,19 +12,6 @@ interface UriOptions {
   permanent?: boolean
 }
 
-function getBaseRoute ({ peertubeHelpers }: RegisterClientOptions, permanent: boolean = false): string {
-  if (permanent) {
-    return '/plugins/livechat/router'
-  }
-  // NB: this will come with Peertube > 3.2.1 (3.3.0?)
-  if (peertubeHelpers.getBaseRouterRoute) {
-    return peertubeHelpers.getBaseRouterRoute()
-  }
-  // We are guessing the route with the correct plugin version with this trick:
-  const staticBase = peertubeHelpers.getBaseStaticRoute()
-  return staticBase.replace(/\/static.*$/, '/router')
-}
-
 function getIframeUri (
   registerOptions: RegisterClientOptions, settings: any, video: Video, uriOptions: UriOptions = {}
 ): string | null {
@@ -98,7 +86,6 @@ export type {
   UriOptions
 }
 export {
-  getBaseRoute,
   getIframeUri,
   getXMPPAddr
 }