18 lines
548 B
JavaScript
18 lines
548 B
JavaScript
let storage = new Map();
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export function publish(message, publisher, data) {
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console.log(message, publisher, data);
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if (!storage.has(message)) { return; }
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storage.get(message).forEach(listener => listener(message, publisher, data));
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}
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export function subscribe(message, listener) {
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if (!storage.has(message)) { storage.set(message, new Set()); }
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storage.get(message).add(listener);
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}
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export function unsubscribe(message, listener) {
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if (!storage.has(message)) { storage.set(message, new Set()); }
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storage.get(message).remove(listener);
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}
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