balances.js

const widget = new ListWidget()

widget.backgroundColor = Color.black()

const amount = (number) => '$' + new Intl.NumberFormat().format(Math.round(number))

const text = (text, fontSize) => {
    const t = widget.addText(text)
    t.font = new Font('Avenir-Heavy', fontSize)
    t.textColor = Color.white()
}

const alias = {
    'Freetrade': 'FT',
    'TransferWise': 'TW',
}

data.balances.slice(0, 6).forEach(balance => {
    balance.name = alias[balance.name] || balance.name

    text(`${amount(balance.total)} ${balance.name}`, 12)
})

text(`${amount(data.total)} 🔥️`, 16)

Script.setWidget(widget)
Script.complete()

positions.js

const widget = new ListWidget()

widget.backgroundColor = Color.black()

const amount = (number) => '$' + new Intl.NumberFormat().format(Math.round(number))

const text = (text, fontSize) => {
    const t = widget.addText(text)
    t.font = new Font('Avenir-Heavy', fontSize)
    t.textColor = Color.white()
}

data.positions.sort((a, b) => b.total - a.total).slice(0, 18).forEach(position => {
    text(`${amount(position.total)} ${position.name} (${position.symbol})`, 12)
})

Script.setWidget(widget)
Script.complete()

widget.js

const request = new Request('https://path/to/some/json')

const data = await request.loadJSON()

const gist = new Request(`${args.widgetParameter}?v=${Math.round(new Date().getTime() / 1000)}`)

const script = await gist.loadString()

eval(script)