to-have-description.js 1.46 KB
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.toHaveDescription = toHaveDescription;

var _utils = require("./utils");

// See algoritm: https://www.w3.org/TR/accname-1.1/#mapping_additional_nd_description
function toHaveDescription(htmlElement, checkWith) {
  (0, _utils.deprecate)('toHaveDescription', 'Please use toHaveAccessibleDescription.');
  (0, _utils.checkHtmlElement)(htmlElement, toHaveDescription, this);
  const expectsDescription = checkWith !== undefined;
  const descriptionIDRaw = htmlElement.getAttribute('aria-describedby') || '';
  const descriptionIDs = descriptionIDRaw.split(/\s+/).filter(Boolean);
  let description = '';

  if (descriptionIDs.length > 0) {
    const document = htmlElement.ownerDocument;
    const descriptionEls = descriptionIDs.map(descriptionID => document.getElementById(descriptionID)).filter(Boolean);
    description = (0, _utils.normalize)(descriptionEls.map(el => el.textContent).join(' '));
  }

  return {
    pass: expectsDescription ? checkWith instanceof RegExp ? checkWith.test(description) : this.equals(description, checkWith) : Boolean(description),
    message: () => {
      const to = this.isNot ? 'not to' : 'to';
      return (0, _utils.getMessage)(this, this.utils.matcherHint(`${this.isNot ? '.not' : ''}.toHaveDescription`, 'element', ''), `Expected the element ${to} have description`, this.utils.printExpected(checkWith), 'Received', this.utils.printReceived(description));
    }
  };
}