never-undefined

Optional chaining with a recursive ES6 Proxy

Installation

Just do the following in your project:

npm install never-undefined

Import and usage

import NU from 'never-undefined'

const anObject = {
  subObject: {
    anotherLevel: 55
  },
  anArray: [3, 'random values', {
    containing: 'a sub object with a string'
  }],
  aFunction() {
    return 'This is a function'
  }
};

const obj = new NU(anObject);

obj.subObject.anotherLevel.toValue(); // 55
obj.anArray[2].containing.toValue(); // 'a sub object with a string'

obj.a.b.c.d.e.f.g.h.toValue(); // undefined
obj.a.b.c.d.e.f.g.h.toValue('default value'); // 'default value'
const aFunction = obj.aFunction.toValue();
aFunction(); // 'This is a function'