WordPress/wp-includes/js/dist/a11y.js

this["wp"] = this["wp"] || {}; this["wp"]["a11y"] =
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/***/ 260:
/***/ (function(module, exports) {

(function() { module.exports = this["wp"]["domReady"]; }());

/***/ }),

/***/ 446:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);

// EXTERNAL MODULE: external {"this":["wp","domReady"]}
var external_this_wp_domReady_ = __webpack_require__(260);
var external_this_wp_domReady_default = /*#__PURE__*/__webpack_require__.n(external_this_wp_domReady_);

// CONCATENATED MODULE: ./node_modules/@wordpress/a11y/build-module/addContainer.js
/**
 * Build the live regions markup.
 *
 * @param {string} ariaLive Optional. Value for the 'aria-live' attribute, default 'polite'.
 *
 * @return {HTMLDivElement} The ARIA live region HTML element.
 */
var addContainer = function addContainer(ariaLive) {
  ariaLive = ariaLive || 'polite';
  var container = document.createElement('div');
  container.id = 'a11y-speak-' + ariaLive;
  container.className = 'a11y-speak-region';
  container.setAttribute('style', 'position: absolute;' + 'margin: -1px;' + 'padding: 0;' + 'height: 1px;' + 'width: 1px;' + 'overflow: hidden;' + 'clip: rect(1px, 1px, 1px, 1px);' + '-webkit-clip-path: inset(50%);' + 'clip-path: inset(50%);' + 'border: 0;' + 'word-wrap: normal !important;');
  container.setAttribute('aria-live', ariaLive);
  container.setAttribute('aria-relevant', 'additions text');
  container.setAttribute('aria-atomic', 'true');
  var body = document.querySelector('body');

  if (body) {
    body.appendChild(container);
  }

  return container;
};

/* harmony default export */ var build_module_addContainer = (addContainer);

// CONCATENATED MODULE: ./node_modules/@wordpress/a11y/build-module/clear.js
/**
 * Clear the a11y-speak-region elements.
 */
var clear = function clear() {
  var regions = document.querySelectorAll('.a11y-speak-region');

  for (var i = 0; i < regions.length; i++) {
    regions[i].textContent = '';
  }
};

/* harmony default export */ var build_module_clear = (clear);

// CONCATENATED MODULE: ./node_modules/@wordpress/a11y/build-module/filterMessage.js
var previousMessage = '';
/**
 * Filter the message to be announced to the screenreader.
 *
 * @param {string} message The message to be announced.
 *
 * @return {string} The filtered message.
 */

var filterMessage = function filterMessage(message) {
  /*
   * Strip HTML tags (if any) from the message string. Ideally, messages should
   * be simple strings, carefully crafted for specific use with A11ySpeak.
   * When re-using already existing strings this will ensure simple HTML to be
   * stripped out and replaced with a space. Browsers will collapse multiple
   * spaces natively.
   */
  message = message.replace(/<[^<>]+>/g, ' ');

  if (previousMessage === message) {
    message += "\xA0";
  }

  previousMessage = message;
  return message;
};

/* harmony default export */ var build_module_filterMessage = (filterMessage);

// CONCATENATED MODULE: ./node_modules/@wordpress/a11y/build-module/index.js
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "setup", function() { return build_module_setup; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "speak", function() { return build_module_speak; });
/**
 * WordPress dependencies
 */

/**
 * Internal dependencies
 */




/**
 * Create the live regions.
 */

var build_module_setup = function setup() {
  var containerPolite = document.getElementById('a11y-speak-polite');
  var containerAssertive = document.getElementById('a11y-speak-assertive');

  if (containerPolite === null) {
    build_module_addContainer('polite');
  }

  if (containerAssertive === null) {
    build_module_addContainer('assertive');
  }
};
/**
 * Run setup on domReady.
 */

external_this_wp_domReady_default()(build_module_setup);
/**
 * Allows you to easily announce dynamic interface updates to screen readers using ARIA live regions.
 * This module is inspired by the `speak` function in wp-a11y.js
 *
 * @param {string} message  The message to be announced by Assistive Technologies.
 * @param {string} ariaLive Optional. The politeness level for aria-live. Possible values:
 *                          polite or assertive. Default polite.
 *
 * @example
 * ```js
 * import { speak } from '@wordpress/a11y';
 *
 * // For polite messages that shouldn't interrupt what screen readers are currently announcing.
 * speak( 'The message you want to send to the ARIA live region' );
 *
 * // For assertive messages that should interrupt what screen readers are currently announcing.
 * speak( 'The message you want to send to the ARIA live region', 'assertive' );
 * ```
 */

var build_module_speak = function speak(message, ariaLive) {
  // Clear previous messages to allow repeated strings being read out.
  build_module_clear();
  message = build_module_filterMessage(message);
  var containerPolite = document.getElementById('a11y-speak-polite');
  var containerAssertive = document.getElementById('a11y-speak-assertive');

  if (containerAssertive && 'assertive' === ariaLive) {
    containerAssertive.textContent = message;
  } else if (containerPolite) {
    containerPolite.textContent = message;
  }
};


/***/ })

/******/ });