Scriptable script to create a FiveThirtyEight forecast widget

scriptable.js

const url = `https://projects.fivethirtyeight.com/2020-election-forecast/us_simulations.json`;
const req = new Request(url);
const res = await req.loadJSON();

if (config.runsInWidget) {
    const biden = res[0].simulations.filter((x) => x.winner === 'Biden').length;
    const trump = res[0].simulations.filter((x) => x.winner === 'Trump').length;

    let widget = new ListWidget();
    widget.backgroundColor = new Color('#000');

    let preTxt = widget.addText('FiveThirtyEight');
    preTxt.textColor = Color.white();
    preTxt.textOpacity = 0.8;
    preTxt.font = Font.systemFont(16);
    widget.addSpacer(20);

    let bidenText = widget.addText(`Biden: ${biden}%`.toLocaleString());
    bidenText.textColor = Color.white();
    bidenText.font = Font.boldSystemFont(20);
    widget.addSpacer(5);

    let trumpText = widget.addText(`Trump: ${trump}%`.toLocaleString());
    trumpText.textColor = Color.white();
    trumpText.textOpacity = 0.8;
    trumpText.font = Font.systemFont(18);

    Script.setWidget(widget);
    Script.complete();
}