fillObjectSettingsByKeys.js

"use strict";

class Something {
	constructor (settings) {
		let {
			someoption = 'Default something value',
			anotheroption = 0, 
		} = settings;
    
    // Need to autofill object by known key names
		let somethingSettings = {
			someoption: someoption, 
			anotheroption: anotheroption, 
		};
    
		Object.assign(this, somethingSettings);
	}
};