Function connectViewer

plugins/_browser/webui/browser-store.js:937–1019

(options = {})

  },

  async connectViewer(options = {}) {
    let contextId = "";
    const requestedBrowserId = this.normalizeBrowserId(options.browserId ?? this.activeBrowserId);
    const requestedContextId = this.normalizeContextId(
      options.contextId
      ?? options.context_id
      ?? this.contextIdForBrowserId(requestedBrowserId)
      ?? this.activeBrowserContextId
      ?? this.contextId
    );
    try {
      contextId = requestedContextId || await this.ensureContextId();
    } catch (error) {
      this.connected = false;
      this.switchingBrowserId = null;
      this._surfaceSwitching = false;
      throw error;
    }
    if (!contextId) {
      this.connected = false;
      this.error = "Could not create a chat for Browser.";
      this.switchingBrowserId = null;
      this._surfaceSwitching = false;
      return;
    }
    const previousContextId = this.normalizeContextId(this.contextId);
    if (previousContextId && previousContextId !== contextId) {
      try {
        await websocket.emit("browser_viewer_unsubscribe", { context_id: previousContextId });
      } catch {}
    }
    this.contextId = contextId;
    const sequence = this._connectSequence + 1;
    const viewerToken = makeViewerToken();
    this._connectSequence = sequence;
    this._viewerToken = viewerToken;
    this.error = "";
    await this._bindSocketEvents();
    if (sequence !== this._connectSequence || viewerToken !== this._viewerToken) {
      return;
    }
    const initialViewport = options.initialViewport || this.currentViewportSize();
    let response;
    try {
      response = await websocket.request(
        "browser_viewer_subscribe",
        {
          context_id: contextId,
          browser_id: requestedBrowserId,
          viewer_id: viewerToken,
          create_browser: Boolean(options.createBrowser || options.create_browser),
          viewer_transport: this.requestedViewerTransport(),
          viewport_width: initialViewport?.width,
          viewport_height: initialViewport?.height,
        },
        {
          timeoutMs: this.browserInstallExpected
            ? BROWSER_FIRST_INSTALL_TIMEOUT_MS