VATLayer.js

import { computed, observable } from "mobx"
import VATNumber from "./VATNumber"

export default class VATLayer {
    @observable country_code
    @observable country_name
    @observable rate
    @observable forceVATList = []
    @observable vatNumber

    store = null

    constructor(store, data) {
        if ( data != null ) {
            Object.assign(this, { ...data });
        }
        this.store = store

        this.vatNumber = new VATNumber(this.store)
    }

    insertMandatory(country) {
        this.forceVATList.push(country)
    }

    @computed get VATRate() {
        console.log("this.country_code", this.country_code);
        return ( this.vatNumber.isValid && !["GB","UK"].includes(this.country_code) ? 0 : this.rate )
    }

    update(data) {
        if ( data != null ) {
            Object.assign(this, { ...data });
        }
    }
}