iOS Scriptable script - customizing widget

Ctreat_Widget.js

// Variables used by Scriptable.
// These must be at the very top of the file. Do not edit.
// icon-color: orange; icon-glyph: quote-right;

// Thanks to: https://gist.github.com/spencerwooo/7955aefc4ffa5bc8ae7c83d85d05e7a4

/**
 * query keys for each site
 */
const github = "SaoYan"
const zhihu = "harry-yiqi-yan"

/**
 * display color for each site
 */
const dispColor = {
    Github: "#ff9468",
    Zhihu: "#2e96ff"
}

/**
 * gather follower info for each site
 */
let siteStats = {}

const githubStats = await fetchSiteStats(`https://api.github.com/users/${github}`)
siteStats["Github"] = githubStats === null ? -1 : githubStats.followers

const zhihuStats = await fetchSiteStats(`https://www.zhihu.com/api/v4/members/${zhihu}?include=follower_count`)
siteStats["Zhihu"] = zhihuStats === null ? -1 : zhihuStats.follower_count

/**
 * create widget
 */
const widget = createWidget(siteStats)
Script.setWidget(widget)
Script.complete()

async function fetchSiteStats(url) {
    const request = new Request(url)
    const res = await request.loadJSON()

    if (request.response.statusCode !== 200) {
        return null;
    } else {
        return res;
    }
}

function createWidget(data) {
    console.log(data)
    const w = new ListWidget()
    const bgColor = new LinearGradient()
    bgColor.colors = [new Color("#1c1c1c"), new Color("#29323c")]
    bgColor.locations = [0.0, 1.0]
    w.backgroundGradient = bgColor
    w.spacing = 2

    const deviceLine = w.addText(`📱 ${Device.name()}`)
    deviceLine.textSize = 5
    deviceLine.textColor = Color.white()
    deviceLine.textOpacity = 0.7
    deviceLine.leftAlignText()

    const osLine = w.addText(`⚙️ ${Device.systemName()} ${Device.systemVersion()}`)
    osLine.textSize = 5
    osLine.textColor = Color.white()
    osLine.textOpacity = 0.7
    osLine.leftAlignText()

    const batteryLine = w.addText(`🔋 ${Math.round(Device.batteryLevel() * 100)}%`)
    batteryLine.textSize = 5
    batteryLine.textColor = new Color("#6ef2ae")
    batteryLine.leftAlignText()

    let siteLine
    for (let site in siteStats) {
        const stats = siteStats[site];
        if (stats >= 0) {
            siteLine = w.addText(`${site}: ${stats}`)
            siteLine.textSize = 5
            siteLine.textColor = new Color(dispColor[site])
            siteLine.leftAlignText()
        }
    }
    
    return w
}