TYPESCRIPT

typescript convert readonly

type DeepWriteable<T> = { -readonly [P in keyof T]: DeepWriteable<T[P]> };

readonly in typescript

class Employee {
    readonly empCode: number;
    empName: string;
    
    constructor(code: number, name: string)     {
        this.empCode = code;
        this.empName = name;
    }
}
let emp = new Employee(10, "John");
emp.empCode = 20; //Compiler Error
emp.empName = 'Bill'; 

typescript readonly

class Octopus {  readonly name: string;  readonly numberOfLegs: number = 8;
  constructor(theName: string) {    this.name = theName;  }}
let dad = new Octopus("Man with the 8 strong legs");dad.name = "Man with the 3-piece suit";Cannot assign to 'name' because it is a read-only property.2540Cannot assign to 'name' because it is a read-only property.Try