49 lines
1.1 KiB
JavaScript
49 lines
1.1 KiB
JavaScript
import globalState from '../globalState.js'
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import EventEmitter from '../utils/EventEmitter.js'
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globalState.eventEmitter = new EventEmitter()
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/**
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* @param {string} eventName
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* @param {EventHandler} eventHandler
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*/
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export const on = (eventName, eventHandler) => {
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if (globalState.eventEmitter) {
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globalState.eventEmitter.on(eventName, eventHandler)
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}
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}
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/**
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* @param {string} eventName
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* @param {EventHandler} eventHandler
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*/
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export const once = (eventName, eventHandler) => {
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if (globalState.eventEmitter) {
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globalState.eventEmitter.once(eventName, eventHandler)
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}
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}
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/**
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* @param {string} [eventName]
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* @param {EventHandler} [eventHandler]
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*/
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export const off = (eventName, eventHandler) => {
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if (!globalState.eventEmitter) {
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return
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}
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// Remove all handlers for all events
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if (!eventName) {
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globalState.eventEmitter.reset()
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return
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}
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if (eventHandler) {
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// Remove a specific handler
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globalState.eventEmitter.removeListener(eventName, eventHandler)
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} else {
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// Remove all handlers for a specific event
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globalState.eventEmitter.removeAllListeners(eventName)
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}
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}
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