22 lines
551 B
JavaScript
22 lines
551 B
JavaScript
import EventEmitter from 'events'
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const eventBus = new EventEmitter()
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// we need enough 'postedStatus' listeners for each
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// visible status in a timeline
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eventBus.setMaxListeners(1000)
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if (process.browser && process.env.NODE_ENV !== 'production') {
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window.eventBus = eventBus
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}
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export function on (eventName, component, method) {
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let callback = method.bind(component)
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eventBus.on(eventName, callback)
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component.on('destroy', () => {
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eventBus.removeListener(eventName, callback)
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})
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}
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export const emit = eventBus.emit.bind(eventBus)
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