19 lines
537 B
TypeScript
19 lines
537 B
TypeScript
type Listener = () => void;
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const state = globalThis as typeof globalThis & { workspaceActivityListeners?: Set<Listener> };
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const listeners = (state.workspaceActivityListeners ??= new Set<Listener>());
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export function subscribeActivities(listener: Listener) {
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listeners.add(listener);
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return () => {
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listeners.delete(listener);
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};
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}
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export function notifyActivities() {
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for (const listener of listeners) {
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try {
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listener();
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} catch {
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/* A disconnected viewer cannot fail a committed write. */
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}
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}
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}
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