26 lines
1.0 KiB
TypeScript
26 lines
1.0 KiB
TypeScript
// Cross-window session-list sync. Each desktop window is its own renderer
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// process with its own gateway socket and session store, so a mutation in one
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// (e.g. a new chat started in the compact pop-out) never reaches another
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// window. This bus pings every window to re-pull the shared session list; the
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// data already lives in the backend, the other window just doesn't know to look.
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const CHANNEL = 'hermes:sessions'
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const channel = typeof BroadcastChannel === 'undefined' ? null : new BroadcastChannel(CHANNEL)
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// A window that mutated the session list (created / titled a chat) tells the
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// others to refresh. A BroadcastChannel never delivers to its own poster, so the
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// caller refreshes locally as it already does.
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export function broadcastSessionsChanged(): void {
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channel?.postMessage(1)
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}
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export function onSessionsChanged(handler: () => void): () => void {
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if (!channel) {
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return () => {}
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}
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channel.addEventListener('message', handler)
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return () => channel.removeEventListener('message', handler)
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}
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