Automatically update items in databse when component schema has changed

[mStirner]

To automatically update items stored in the database collections, e.g added or removed field(s), a mechanism is need to sync the changes. Possible solution, this.items is proxied array:

const items = new Proxy([], {
    get(target, prop, receiver) {
        return target[prop];
    },
    set(obj, prop, value) {

        if (!["length"].includes(prop)) {

            // apply missing item properties here
            // verfiy object item, if verfiy fails, return false
            console.log("Add item: %j", value);

            //let { error } = schema.validate(value);
            //return error ? false : true;
            // save update obj in database?

        }

        obj[prop] = value;
        return true;

    }
});


//console.log(items)

try {

    items.push({
        name: "Room #1",
        enabled: true
    }, {
        name: "Room #2",
        enabled: true
    });

} catch (err) {
    console.log("Could not push", err);
}
//console.log(items[0])

With this its possible when the components init, add/remove properties.
Need to test how this affects the performance. How could we prevent that the check runs when component.add is called & through the joi.validate process goes. (First idea: check for the timestamp, if timestamps.created - Date.now() in push is smaller then x does nothing, if greather, run) How to not run this validation on every startup?

[mStirner]

To avoid to run the schema validation/update process, a "secret" store could be use, which can be manipulated from component methods (add) and through the proxy from other things (like component init)

const store = [];

const items = new Proxy(store, {
    get(target, prop, receiver) {
        return target[prop];
    },
    set(obj, prop, value) {

        if (!["length"].includes(prop)) {

            // apply missing item properties here
            // verfiy object item, if verfiy fails, return false
            console.log("Add item: %j", value);

            //let { error } = schema.validate(value);
            //return error ? false : true;
            // save update obj in database?

        }

        obj[prop] = value;
        return true;

    }
});


//console.log(items)

try {

    store.push({
        name: "Room #0"
    });

    items.push({
        name: "Room #1",
        enabled: true
    }, {
        name: "Room #2",
        enabled: true
    });

} catch (err) {
    console.log("Could not push", err);
}

console.log(items);