mongoose update add to array code example
Example 1: add items to a list in a document monoose
const {name , id} = req.body
Category.update(
{_id: id},
{$push: {items: {"name": name}}},{new: true, upsert: true }).exec();
res.sendStatus(200)
Example 2: how to append data to a field in mongoose model
//mongoose appending data
var objFriends = { fname:"fname",lname:"lname",surname:"surname" };
Friend.findOneAndUpdate(
{ _id: req.body.id },
{ $push: { friends: objFriends } },
function (error, success) {
if (error) {
console.log(error);
} else {
console.log(success);
}
});
)
Example 3: add in to array mongoose
// With { $push: { field: element } }
// Example:
const elementToPush = { a: 1, b: 2 };
const body = { $push: { arrayField: elementToPush } };
model.patch(id, body);