type Listener = (data: any) => void;
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const listeners: Record<string, Listener[]> = {};
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export const trigger = (key: string, data: any) => {
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if (listeners[key]) {
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listeners[key].forEach((item) => item(data));
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}
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};
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export const subscribe = (key: string, listener: Listener) => {
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if (!listeners[key]) {
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listeners[key] = [];
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}
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listeners[key].push(listener);
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return function unsubscribe() {
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const index = listeners[key].indexOf(listener);
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listeners[key].splice(index, 1);
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};
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};
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