build dynamic ststic class methods

DynamicMethods.js

class DynamicMethods{
    constructor(action){
        for (const key in action) {

            DynamicMethods[`${key}`] = new Function(`cb`, `${action[key]}`);
        }
    }
}

const action = {
    onFoo : "console.log('foo')",
    onBar : "console.log('BAR')"
}

const t =  new DynamicMethods(action);
DynamicMethods.onFoo();
DynamicMethods.onBar();