vcard4/src/parameters/LevelParameter.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 { BaseParameter } from "./BaseParameter.js";
import { MissingArgument, InvalidArgument } from "../errors/index.js";

export class LevelParameter extends BaseParameter {
  static param = "LEVEL";
  static identifier = "LevelParameter";

  #expertiseRegExp = /^(?:beginner|average|expert)$/;
  #hobbyInterestRegExp = /^(?:high|medium|low)$/;
  #levelValue;

  get value() {
    return this.#levelValue.repr();
  }

  get valueXML() {
    return this.#levelValue.reprXML();
  }

  get valueJSON() {
    return this.#levelValue.reprJSON();
  }

  #validate(targetProp, levelValue) {
    if (typeof levelValue === "undefined" || typeof targetProp === "undefined")
      throw new MissingArgument(
        "Value and target property for LevelParameter must be supplied"
      );
    else if (levelValue.constructor.identifier !== "ParameterValueType")
      throw new InvalidArgument("Invalid value for LevelParameter");

    switch (true) {
      case /^expertiseProperty$/i.test(targetProp) &&
        this.#expertiseRegExp.test(levelValue.repr()):
        break;
      case /^(?:hobby|interest)Property$/i.test(targetProp) &&
        this.#hobbyInterestRegExp.test(levelValue.repr()):
        break;
      default:
        throw new InvalidArgument("Invalid value for LevelParameter");
    }
  }

  constructor(targetProp, levelValue) {
    super();

    this.#validate(targetProp, levelValue);
    this.#levelValue = levelValue;
    this.targetProp = targetProp.toUpperCase();

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

Object.freeze(LevelParameter);