vcard4/src/values/BooleanType.js

An RFC 6350 compliant JavaScript library for generating and parsing version 4.0 vCards. Can also generate RFC 6351 compliant XML vCards and RFC 7095 compliant jCards. TypeScript type declarations are provided.

import { BaseValue } from "./BaseValue.js";
import { MissingArgument } from "../errors/index.js";

export class BooleanType extends BaseValue {
  static type = "BOOLEAN";
  static identifier = "BooleanType";

  #boolValue;

  #validate(boolValue) {
    if (typeof boolValue === "undefined")
      throw new MissingArgument("boolValue must be supplied");
    else if (typeof boolValue !== "boolean")
      throw new TypeError("Value for BooleanType should be of type boolean");
  }

  get value() {
    return `${this.#boolValue}`;
  }

  get valueXML() {
    return `<${this.constructor.type.toLowerCase()}>${
      this.#boolValue
    }</${this.constructor.type.toLowerCase()}>`;
  }

  get valueJSON() {
    return [this.constructor.type.toLowerCase(), this.#boolValue];
  }

  constructor(boolValue) {
    super();

    this.#validate(boolValue);
    this.#boolValue = boolValue;

    this.checkAbstractPropertiesAndMethods();
    Object.freeze(this);
  }
}

Object.freeze(BooleanType);