cookie.ts

export class CookieParams {
  key: string = "";
  value: string = "";
  expires?: Date;
  /**
   * time in seconds
   */
  maxAge?: number;
  domain?: string;
  path?: string;
  secure?: boolean = false;
  httpOnly?: boolean = false;
  sameSite?: "Strict" | "Lax";
}

export default class Cookie extends CookieParams {
  constructor(params: CookieParams) {
    super();
    this.key = params.key;
    this.value = params.value;
    this.expires = params.expires;
    this.maxAge = params.maxAge;
    this.domain = params.domain;
    this.path = params.path;
    this.secure = params.secure;
    this.httpOnly = params.httpOnly;
    this.sameSite = params.sameSite;
  }

  public stringify() {
    let cookieString = `${this.key}=${this.value};`;
    if (this.expires) cookieString += ` Expires=${this.expires.toUTCString()};`;
    if (this.maxAge && this.maxAge > 0) {
      cookieString += ` Max-Age=${this.maxAge};`;
    }
    if (this.domain) cookieString += ` Domain=${this.domain};`;
    if (this.path) cookieString += ` Path=${this.path};`;
    if (this.secure) cookieString += ` Secure;`;
    if (this.httpOnly) cookieString += ` HttpOnly;`;
    if (this.sameSite) cookieString += ` SameSite=${this.sameSite};`;
    return cookieString;
  }
}
// How to use
const cookie: Cookie = {
  key: "myKey",
  value: "MyValue",
  maxAge: 60, // 1 minute
  HttpOnly: true,
  Secure: true,
};

console.log(cookie.stringify());

req.setHeader('Set-Cookie', cookie.stringify());