javascript - [] operator overload (this[index] operator overload)

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function SomeClass() {
    const array = ['a', 'b', 'c'];
    // this.method1 = function() { };
    // this.method2 = function() { };
    // this.method3 = function() { };
    return new Proxy(this, {
        get: function(target, name) {
            return (name in target ? target[name] : array[name]);
        },
        set: function(target, name, value) {  // Remove it to disable setter ...
            if (name in target) {             // Remove it to disable setter ...
                target[name] = value;         // Remove it to disable setter ...
            } else {                          // Remove it to disable setter ...
                array[name] = value;          // Remove it to disable setter ...
            }                                 // Remove it to disable setter ...
        }                                     // Remove it to disable setter ...
    });
};


// Usage example:

const object = new SomeClass();

console.log(object[0]);  // a
console.log(object[1]);  // b
console.log(object[2]);  // c

// object.method1();
// object.method2();
// object.method3();