BrowserTabsConnector (browser-tabs-connector.js)

Synchronizes state between browser tabs using BroadcastChannel API and manages peer identity in localStorage for cross-tab coordination.

class BrowserTabsConnector {
    constructor() {
        if (!('BroadcastChannel' in window)) return;

        this.bc = new BroadcastChannel('pairdrop');
        this.bc.addEventListener('message', e => this._onMessage(e));
        Events.on('broadcast-send', e => this._broadcastSend(e.detail));
    }

    _broadcastSend(message) {
        this.bc.postMessage(message);
    }

    _onMessage(e) {
        console.log('Broadcast:', e.data)
        switch (e.data.type) {
            case 'self-display-name-changed':
                Events.fire('self-display-name-changed', e.data.detail);
                break;
        }
    }

    static peerIsSameBrowser(peerId) {
        let peerIdsBrowser = JSON.parse(localStorage.getItem('peer_ids_browser'));
        return peerIdsBrowser
            ? pe

... (truncated -- full source via MCP)