in codelab-final-state/public/js/data.js [77:94]
export async function createItems(db) {
console.log("createItems()");
const batch = db.batch();
for (let i = 0; i < 9; i++) {
const data = {
name: _getProductName(),
price: _getProductPrice(),
description: _getProductDescription(),
imageUrl: _getProductImageUrl()
};
const ref = db.collection("items").doc();
batch.set(ref, data);
}
await batch.commit();
}