general-functions/EventHub.js

My-Functions

let fnLists = {}
const eventHub = {
    trigger(eventName, data) {
        let fnList = fnLists[eventName]
        if (!fnList) {return}
        for (let i = 0; i < fnList.length; i++) {
            fnList[i](data)
        }
    },
    on(eventName, fn) {
        if (!fnLists[eventName]) {
            fnLists[eventName] = []
        }
        fnLists[eventName].push(fn)
    }
}
export default eventHub;