| 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | function eventBus() {
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| 4 | const eventHandlerMap = new Map();
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| 5 | function publish(channel, event) {
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| 6 | const eventHandlers = eventHandlerMap.get(channel);
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| 7 | if (!eventHandlers) {
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| 8 | return;
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| 9 | }
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| 10 | for (const handle of eventHandlers) {
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| 11 | handle(event);
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| 12 | }
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| 13 | }
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| 14 | function subscribe(channel, handler) {
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| 15 | let eventHandlers = eventHandlerMap.get(channel);
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| 16 | if (!eventHandlers) {
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| 17 | eventHandlers = new Set();
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| 18 | eventHandlerMap.set(channel, eventHandlers);
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| 19 | }
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| 20 | eventHandlers.add(handler);
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| 21 | }
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| 22 | const bus = {
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| 23 | publish,
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| 24 | subscribe,
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| 25 | };
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| 26 | return Object.freeze(bus);
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| 27 | }
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| 28 | exports.default = eventBus;
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