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16 lines
412 B
JavaScript
16 lines
412 B
JavaScript
const EventEmitter = require('events').EventEmitter;
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const bus = new EventEmitter();
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module.exports = {
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subscribe(events, handler) {
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for (let event of events)
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bus.on(event, handler);
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},
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unsubscribe(events, handler) {
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for (let event of events)
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bus.off(event, handler);
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},
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publish(event, data) {
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bus.emit(event, { value: data, event });
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}
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};
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