Using Shopify's JS Buy SDK with the Back In Stock App outside of Shopify's Store Front

Back In Stock with JS Buy SDK

var processedProducts = []

var shopClient = ShopifyBuy.buildClient({
  accessToken: 'your-access-token',
  domain: 'your-shop-subdomain.myshopify.com',
  appId: '6'
})

shopClient.fetchAllProducts().then((products) => {
  processedProducts = products.map((product) => {
    var item = product.attrs
    item.id = item.product_id
    item.CONTAINS_OUT_OF_STOCK_ITEM = false
    
    for (var i = 0; i < item.variants.length; i++) {
      var variant = item.variants[i]
      if (!variant.available) {
        item.CONTAINS_OUT_OF_STOCK_ITEM = true
        variant.inventory_quantity = 0
      }
      variant.inventory_management = 'shopify'
      variant.option_values.map((option, index) => {
        variant['option' + (index + 1)] = option.value
        return option.value
      })
      variant.option = variant.option_values
      item.variants[i] = variant
    }
    // Back in stock will only trigger if the item is unavailable
    // status of item also available under item.CONTAINS_OUT_OF_STOCK_ITEM
    return '<a class="BIS_trigger" data-product-data="' + JSON.stringify(item) + '" href="#">' + item.title + '</a>'
  })
})