vcard4/src/values/DateTimeListType.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 DateTimeListType extends BaseValue {
  static identifier = "DateTimeListType";

  #datetimelist;

  get value() {
    return this.#datetimelist
      .reduce((accumulatedDateTimeTypes, currentDateTimeType) => {
        accumulatedDateTimeTypes.push(currentDateTimeType.repr());
        return accumulatedDateTimeTypes;
      }, [])
      .join(",");
  }

  get valueXML() {
    return this.#datetimelist.reduce(
      (accumulatedDateTimeTypes, currentDateTimeType) =>
        accumulatedDateTimeTypes + currentDateTimeType.reprXML(),
      ""
    );
  }

  get valueJSON() {
    const value = this.#datetimelist.reduce(
      (accumulatedIntegerTypes, currentIntegerType) => {
        accumulatedIntegerTypes.push(currentIntegerType.reprJSON().pop());
        return accumulatedIntegerTypes;
      },
      []
    );

    value.unshift(this.type.toLowerCase());

    return value;
  }

  #validate(datetimelist) {
    if (typeof datetimelist === "undefined")
      throw new MissingArgument("Value for DateTimeListType must be supplied");
    else if (!Array.isArray(datetimelist))
      throw new TypeError(
        "Value for DateTimeListType should be passed in an array"
      );

    const conformType = datetimelist[0]["type"];

    for (const datetime of datetimelist) {
      if (datetime.type !== conformType)
        throw new TypeError(
          "Value for DateTimeListType should be an array of DateTimeTypes of the same type"
        );
      else if (datetime.type === "UTC-OFFSET")
        throw new TypeError("Invalid type for value of DateTimeListType");
      else if (datetime.constructor.identifier !== "DateTimeType")
        throw new TypeError(
          "Value for DateTimeListType should be an array of DateTimeTypes"
        );
    }
  }

  constructor(datetimelist) {
    super();

    this.#validate(datetimelist);
    this.#datetimelist = datetimelist;
    this.type = datetimelist[0]["type"];

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

Object.freeze(DateTimeListType);