tcp-5.js

function tryCatchProxy (superClass) {
    const prototype = superClass.prototype;

    if (Object.getOwnPropertyNames(prototype).length < 2) {
        return superClass;
    }

    const handler = fn => () => {
        try {
            // Return is required for exposing result of execution
            return fn.apply(this, arguments);
        } catch (error) {
            // Your catch logic. For example, log to database or send email.
            console.log(error);
        }
    };

    for (const property in Object.getOwnPropertyDescriptors(prototype)) {
        if (prototype.hasOwnProperty(property) && property !== 'constructor' && typeof prototype[property] === 'function') {
            superClass.prototype[property] = handler(superClass.prototype[property]);
        }
    }

    return superClass;
}


class Person {
    constructor () {
        this.name = 'John';
        this.surname = 'Doe';
    }

    get fullName () {
        return `${this.name} ${this.surname}`;
    }

    get reverseName () {
        return this.fullName.split('').reverse().join('');
    }

    addHelloPrefix () {
        this.name = `Hello, ${this.reverseName}`;
        // A undefined exception will be handled in proxy
        f;
        return this.name;
    }
}

var person = new (tryCatchProxy(Person));