Métodos e acessores de classe privada no ES12
// Let's create a class named Str.
class Str {
// The private attributes can be created by prepending '#'
// before the attribute name.
#uniqueStr;
constructor() {}
// A private Setters can be created by prepending '#' before
// the Setter name.
set #generateUniqueStringByCustomLength(length = 24) {
const characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
let randomStr = "";
for (let i = 0; i < length; i++) {
const randomNum = Math.floor(Math.random() * characters.length);
randomStr += characters[randomNum];
}
this.#uniqueStr = randomStr;
}
// Public Setter
set setRandomString(length) {
this.#generateUniqueStringByCustomLength = length;
}
// A private getter can be created by prepending '#' before
// the Getter name.
get #fetchUniqueString() {
return this.#uniqueStr;
}
// Public Getter
get getRandomString() {
return this.#fetchUniqueString;
}
}
const str = new Str();
// Calling a public Setter which will then access the private Setter
// within the class.
str.setRandomString = 20;
// Calling a public Getter which will then access the private Getter
// withing the class.
const uniqueStr = str.getRandomString;
console.log(uniqueStr); // This will print a random string everytime you execute the Getter after the Setter.
Outrageous Ostrich