pikachu/main.js at master · jiedong9/pikachu · GitHub

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import string from "./css"

const player = {
    id: undefined,
    time: 100,
    ui: {
        demo: document.querySelector('#demo'),
        demo2: document.querySelector('#demo2')
    },
    events: {
        '#btnPause': 'pause',
        '#btnPlay': 'play',
        '#btnSlow': 'slow',
        '#btnNormal': 'normal',
        '#btnFast': 'fast'
    },
    n: 1,
    init: () => {
        player.ui.demo.innerText = string.substr(0, player.n)
        player.ui.demo2.innerHTML = string.substr(0, player.n)
        player.bindEvents()
        player.play()
    },
    bindEvents() {
        for (let key in player.events) {
            if (player.events.hasOwnProperty(key)) {
                const value = player.events[key]
                document.querySelector(key).onclick = player[value]
            }
        }
    },
    run: () => {
        player.n += 1
        if (player.n > string.length){
            window.clearInterval(player.id)
            return
        }
        player.ui.demo.innerText = string.substr(0,player.n)
        player.ui.demo2.innerHTML = string.substr(0,player.n)
        player.ui.demo.scrollTop = player.ui.demo.scrollHeight
    },
    play:()=>{
        player.id = setInterval(player.run,player.time)
    },
    pause:() =>{
        window.clearInterval(player.run,player.id)
    },
    slow:() =>{
        player.pause()
        player.time = 300
        player.play()
    },
    normal:()=>{
        player.pause()
        player.time = 100
        player.play()
    },
    fast:()=>{
        player.pause()
        player.time = 0
        player.play()
    }
}

player.init()