Shows widget for steam wishlist of given steamID on Scriptable app

steam-wishlist.js

const STEAM_STORE_URL = "https://store.steampowered.com"
const steamId = args.widgetParameter ?? "76561198008818777"
try {
  const wishListGames = await fetchWishListById(steamId) 
  const widget = await createWidget(wishListGames)
  renderWidget(widget)
} catch(error) {
  const widget = await createErrorWidget(error)
  renderWidget(widget)
}
  
async function createWidget(games) {
  const widget = new ListWidget()
  setBackground(widget, games[0])
  widget.addSpacer()
  await setTitleStack(widget)
  widget.addSpacer()
  await createGameGrid(widget, games, getMaxQuantityAllowed())
  widget.url = getUserWishListUrl()
  widget.addSpacer()
  return widget
}

async function createErrorWidget(error) {
  const widget = new ListWidget()
  setBackground(widget, {})
  widget.addSpacer()
  const contentStack = widget.addStack()
  contentStack.layoutHorizontally()
  contentStack.addSpacer()
  const imageElement = contentStack.addImage(SFSymbol.named("wifi.exclamationmark").image)
  imageElement.tintColor = Color.white()
  imageElement.imageSize = new Size(27, 27)
  contentStack.addSpacer()
  const textElement = contentStack.addText("Cannot load games")
  textElement.font = Font.systemFont(23)
  contentStack.addSpacer()
  widget.addSpacer(10)
  const errorDetailStack = widget.addStack()
  errorDetailStack.layoutHorizontally()
  errorDetailStack.addSpacer()
  const errorDetailElement = errorDetailStack.addText(error.toString().replace("Error: ", ""))
  errorDetailElement.font = Font.systemFont(13)
  errorDetailStack.addSpacer()
  widget.addSpacer()
  return widget
}

async function fetchWishListById(steamId) {
  const url = `${STEAM_STORE_URL}/wishlist/profiles/${steamId}/wishlistdata`
  const request = new Request(url)
  const response = await request.loadJSON()
  return Object.keys(response)
    .map((steamIdMap) => response[steamIdMap])
    .filter((steamWishedGame) => steamWishedGame.subs && steamWishedGame.subs.length > 0)
    .sort((game1, game2) => game2.subs[0].discount_pct > game1.subs[0].discount_pct)
    .map((steamWishedGame) => {
      const idMatch = steamWishedGame.capsule.match('/apps/\\d+')
      if (idMatch && idMatch.length > 0) {
        return {
          ...steamWishedGame,
          name: replaceUnusedCharacters(steamWishedGame.name),
          id: Number(idMatch[0].replace('/apps/', '')),
        }
      }
      throw Error('Missing ID on steam wished game')
    })
}

function replaceUnusedCharacters(name) {
  return name
    .replace('™', '')
    .replace('®', '')
}

async function loadImageFromUrl(url) {
    let req = new Request(url)
    return req.loadImage()
}

async function setTitleStack(widget) {
  const titleStack = widget.addStack()
  titleStack.size = new Size(330, 15)
  const dateFormatter = new DateFormatter()
  dateFormatter.dateFormat = "HH:mm"
  const lastUpdate = titleStack.addText(`Last update: ${dateFormatter.string(new Date())}`)
  lastUpdate.font = Font.mediumSystemFont(13)
  lastUpdate.textOpacity = 0.7
}

async function createGameGrid(widget, games, maxAmount) {
  let countAddedGames = 0
  let gameArray = []
  const gridStack = widget.addStack()
  gridStack.layoutVertically()
  const addGame = async (stack, game) => {
    if (countAddedGames >= maxAmount) {
      return
    }
    await addGameToStack(stack, game)
    countAddedGames++
  }
  
  if (maxAmount === 1) {
    gridStack.layoutHorizontally()
    gridStack.addSpacer(90)
    await addGame(gridStack, games[0])
    return
  }
  for (let count = 1; count <= games.length; count++) {
    const isCountEven = count % 2 === 0
    if (isCountEven) {
      const stack = gridStack.addStack()
      stack.addSpacer(10)
      await addGame(stack, games[count - 2])
      stack.addSpacer()
      await addGame(stack, games[count - 1])
      stack.addSpacer()
    } else if (count === games.length && !isCountEven) {
      const stack = gridStack.addStack()
      await addGame(stack, games[count - 1])
    }
  }
}

async function setBackground(widget, game) {
  const useGradientOnBackground = () => {
    const gradient = new LinearGradient()
    gradient.locations = [0, 1]
    gradient.colors = [
      new Color("171a21"),
      new Color("1b2838")
    ]
    widget.backgroundGradient = gradient
  }
  if (game.background) {
    try {
      widget.backgroundImage = await loadImageFromUrl(game.background)
    } catch (error) {
      log(error)
      useGradientOnBackground()
    }
  } else {
    useGradientOnBackground()
  }
}

async function addGameToStack(stack, game, allowVerticalPadding) {
  const bodyStack = stack.addStack()
  bodyStack.setPadding(5, 3, 5, 3)
  bodyStack.url = `https://store.steampowered.com/app/${game.id}`
  const folderElement = bodyStack.addImage(await loadImageFromUrl(game.capsule))
  folderElement.imageSize = new Size(80, 50)
  folderElement.cornerRadius = 10
  bodyStack.addSpacer(10)
  
  const pricingStack = bodyStack.addStack()
  pricingStack.layoutVertically()
  pricingStack.size = new Size(55, 45)
  
  const {discount_pct, discount_block} = game.subs?.[0] 
  const [, originalPrice, discountedPrice] = discount_block.toString()
      .match(new RegExp("\\w*[$฿₹¥₡£₩₪₺₱]?\\s?\\d+[,.]?[\\d-\\s]+[\\w₫ł₽₸€]+", 'mg'))
  const priceElement = pricingStack.addText(getFormattedPrice(discountedPrice ?? originalPrice))
  priceElement.minimumScaleFactor = 0.5
  priceElement.textColor = Color.white()
  priceElement.font = Font.semiboldSystemFont(14)
  pricingStack.addSpacer(5)
  
  if (discount_pct > 0) {
    const discountElement = pricingStack.addText(`-${discount_pct}%`)  
    discountElement.minimumScaleFactor = 0.5
    discountElement.textColor = Color.yellow()
    discountElement.font = Font.semiboldSystemFont(12)
  }
}

function renderWidget(widget) {
  if (config.runsInWidget) {
    Script.setWidget(widget)
  } else {
    widget.presentMedium()
  }

  Script.complete()
}

function getFormattedPrice(price) {
  return price.replace(new RegExp("-", "mg"), '0')
}

function getUserWishListUrl() {
  return `${STEAM_STORE_URL}/wishlist/profiles/${steamId}/`
}

function getMaxQuantityAllowed() {
  switch(config.widgetFamily) {
    case 'small':
      return 1
    case 'medium':
      return 4
    case 'large':
      return 10
    default:
      return 4
  }
}

When I try to run this code, I get the error: "Uncaught SyntaxError: await is only valid in async functions and the top level bodies of modules"

So everyone knows you will need need to change (steam ID) to the id associated with your account, and you need to have your wishlist public in your steam account for it to show or work.