@util.js/emails/dist/EmailHeaders.js

JavaScript utility methods for emails

"use strict";

/**
 * Wrapper of email headers that makes header lookup easy.
 *
 * This class makes it so that the case of header names is not important.
 * For example, Gmail might use "In-Reply-To" whereas iCloud might use "In-reply-to".
 *
 * @public
 * @class
 */
var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault");
var _weakMap = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/weak-map"));
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/createClass"));
var EmailHeaders = /*#__PURE__*/function () {
  function EmailHeaders(options) {
    (0, _classCallCheck2["default"])(this, EmailHeaders);
    dependencies.set(this, options);
  }

  /**
   * Returns the value of the Delivered-To header
   *
   * @return {undefined|string} The value of the Date header as a string or undefined
   * @public
   * @instance
   * @function
   */
  (0, _createClass2["default"])(EmailHeaders, [{
    key: "deliveredTo",
    value: function deliveredTo() {
      return this.get("delivered-to");
    }

    /**
     * Returns the value of the Date header
     *
     * @return {undefined|string} The value of the Date header as a string or undefined
     * @public
     * @instance
     * @function
     */
  }, {
    key: "date",
    value: function date() {
      return this.get("date");
    }

    /**
     * Returns the value of the From header
     *
     * @return {undefined|string} The value of the From header as a string or undefined
     * @public
     * @instance
     * @function
     */
  }, {
    key: "from",
    value: function from() {
      return this.get("from");
    }

    /**
     * Returns the value of the given headerName
     *
     * @param {string} headerName The header to look up a value for
     * @return {undefined|string} The value of the given header name as a string or undefined
     * @throws {TypeError} If headerName does not have a toLowerCase function
     * @public
     * @instance
     * @function
     */
  }, {
    key: "get",
    value: function get(headerName) {
      return lowercaseHeaderMap(this)[headerName.toLowerCase()];
    }

    /**
     * Returns the value of the In-Reply-To header
     *
     * @return {undefined|string} The value of the In-Reply-To header as a string or undefined
     * @public
     * @instance
     * @function
     */
  }, {
    key: "inReplyTo",
    value: function inReplyTo() {
      return this.get("in-reply-to");
    }

    /**
     * Returns the value of the Message-Id header
     *
     * @return {undefined|string} The value of the Message-Id header as a string or undefined
     * @public
     * @instance
     * @function
     */
  }, {
    key: "messageId",
    value: function messageId() {
      return this.get("message-id");
    }

    /**
     * Returns the value of the References header
     *
     * @return {undefined|string} The value of the References header as a string or undefined
     * @public
     * @instance
     * @function
     */
  }, {
    key: "references",
    value: function references() {
      return this.get("references");
    }

    /**
     * Returns the value of the Subject header
     *
     * @return {undefined|string} The value of the Subject header as a string or undefined
     * @public
     * @instance
     * @function
     */
  }, {
    key: "subject",
    value: function subject() {
      return this.get("subject");
    }

    /**
     * Returns the value of the To header
     *
     * @return {undefined|string} The value of the To header as a string or undefined
     * @public
     * @instance
     * @function
     */
  }, {
    key: "to",
    value: function to() {
      return this.get("to");
    }

    /**
     * Returns a string listing the email-header names and values of this object
     *
     * @return {string} A string representation of this object
     * @public
     * @instance
     * @function
     */
  }, {
    key: "toString",
    value: function toString() {
      return "EmailHeaders " + json().stringify(headerMap(this), null, "  ");
    }
  }]);
  return EmailHeaders;
}();
module.exports = EmailHeaders;
var dependencies = new _weakMap["default"]();
function get(thiz, dependency) {
  return dependencies.get(thiz)[dependency];
}
function headerMap(thiz) {
  return get(thiz, "headerMap");
}
function json() {
  return JSON;
}
function lowercaseHeaderMap(thiz) {
  return get(thiz, "lowercaseHeaderMap");
}