updateone on sequelize node code example

Example 1: create or update in sequelize

async function updateOrCreate (model, where, newItem) {
    // First try to find the record
   const foundItem = await model.findOne({where});
   if (!foundItem) {
        // Item not found, create a new one
        const item = await model.create(newItem)
        return  {item, created: true};
    }
    // Found an item, update it
    const item = await model.update(newItem, {where});
    return {item, created: false};
}

Example 2: sequelize update

var Book = db.define(‘books’, {
 title: {
   type: Sequelize.STRING
 },
 pages: {
   type: Sequelize.INTEGER
 }
})

Book.update(
   {title: req.body.title},
   {where: req.params.bookId}
 )