WordPress/wp-includes/js/dist/a11y.js
youknowriad ef78b5ba5a Block Editor: Add a script to run Gutenberg end 2 end tests on Core.
The script is not part of CI yet because the job takes 40mn to run
and it's not useful in all PRs/commits.

Fixes #50469.

Built from https://develop.svn.wordpress.org/trunk@48382


git-svn-id: http://core.svn.wordpress.org/trunk@48151 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 16:08:28 +00:00

318 lines
10 KiB
JavaScript

this["wp"] = this["wp"] || {}; this["wp"]["a11y"] =
/******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId]) {
/******/ return installedModules[moduleId].exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ }
/******/ };
/******/
/******/ // define __esModule on exports
/******/ __webpack_require__.r = function(exports) {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/
/******/ // create a fake namespace object
/******/ // mode & 1: value is a module id, require it
/******/ // mode & 2: merge all properties of value into the ns
/******/ // mode & 4: return value when already ns object
/******/ // mode & 8|1: behave like require
/******/ __webpack_require__.t = function(value, mode) {
/******/ if(mode & 1) value = __webpack_require__(value);
/******/ if(mode & 8) return value;
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ var ns = Object.create(null);
/******/ __webpack_require__.r(ns);
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ return ns;
/******/ };
/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function getDefault() { return module['default']; } :
/******/ function getModuleExports() { return module; };
/******/ __webpack_require__.d(getter, 'a', getter);
/******/ return getter;
/******/ };
/******/
/******/ // Object.prototype.hasOwnProperty.call
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/
/******/
/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 455);
/******/ })
/************************************************************************/
/******/ ({
/***/ 1:
/***/ (function(module, exports) {
(function() { module.exports = this["wp"]["i18n"]; }());
/***/ }),
/***/ 255:
/***/ (function(module, exports) {
(function() { module.exports = this["wp"]["domReady"]; }());
/***/ }),
/***/ 455:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);
// EXPORTS
__webpack_require__.d(__webpack_exports__, "setup", function() { return /* binding */ setup; });
__webpack_require__.d(__webpack_exports__, "speak", function() { return /* binding */ speak; });
// EXTERNAL MODULE: external {"this":["wp","domReady"]}
var external_this_wp_domReady_ = __webpack_require__(255);
var external_this_wp_domReady_default = /*#__PURE__*/__webpack_require__.n(external_this_wp_domReady_);
// EXTERNAL MODULE: external {"this":["wp","i18n"]}
var external_this_wp_i18n_ = __webpack_require__(1);
// CONCATENATED MODULE: ./node_modules/@wordpress/a11y/build-module/add-intro-text.js
/**
* WordPress dependencies
*/
/**
* Build the explanatory text to be placed before the aria live regions.
*
* This text is initially hidden from assistive technologies by using a `hidden`
* HTML attribute which is then removed once a message fills the aria-live regions.
*
* @return {HTMLParagraphElement} The explanatory text HTML element.
*/
function addIntroText() {
var introText = document.createElement('p');
introText.id = 'a11y-speak-intro-text';
introText.className = 'a11y-speak-intro-text';
introText.textContent = Object(external_this_wp_i18n_["__"])('Notifications');
introText.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;');
introText.setAttribute('hidden', 'hidden');
var _document = document,
body = _document.body;
if (body) {
body.appendChild(introText);
}
return introText;
}
// CONCATENATED MODULE: ./node_modules/@wordpress/a11y/build-module/add-container.js
/**
* Build the live regions markup.
*
* @param {string} [ariaLive] Value for the 'aria-live' attribute; default: 'polite'.
*
* @return {HTMLDivElement} The ARIA live region HTML element.
*/
function addContainer() {
var ariaLive = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'polite';
var container = document.createElement('div');
container.id = "a11y-speak-".concat(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 _document = document,
body = _document.body;
if (body) {
body.appendChild(container);
}
return container;
}
// CONCATENATED MODULE: ./node_modules/@wordpress/a11y/build-module/clear.js
/**
* Clears the a11y-speak-region elements and hides the explanatory text.
*/
function clear() {
var regions = document.getElementsByClassName('a11y-speak-region');
var introText = document.getElementById('a11y-speak-intro-text');
for (var i = 0; i < regions.length; i++) {
regions[i].textContent = '';
} // Make sure the explanatory text is hidden from assistive technologies.
if (introText) {
introText.setAttribute('hidden', 'hidden');
}
}
// CONCATENATED MODULE: ./node_modules/@wordpress/a11y/build-module/filter-message.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.
*/
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, ' ');
/*
* Safari + VoiceOver don't announce repeated, identical strings. We use
* a `no-break space` to force them to think identical strings are different.
*/
if (previousMessage === message) {
message += "\xA0";
}
previousMessage = message;
return message;
}
// CONCATENATED MODULE: ./node_modules/@wordpress/a11y/build-module/index.js
/**
* WordPress dependencies
*/
/**
* Internal dependencies
*/
/**
* Create the live regions.
*/
function setup() {
var introText = document.getElementById('a11y-speak-intro-text');
var containerAssertive = document.getElementById('a11y-speak-assertive');
var containerPolite = document.getElementById('a11y-speak-polite');
if (introText === null) {
addIntroText();
}
if (containerAssertive === null) {
addContainer('assertive');
}
if (containerPolite === null) {
addContainer('polite');
}
}
/**
* Run setup on domReady.
*/
external_this_wp_domReady_default()(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] The politeness level for aria-live; 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' );
* ```
*/
function speak(message, ariaLive) {
/*
* Clear previous messages to allow repeated strings being read out and hide
* the explanatory text from assistive technologies.
*/
clear();
message = filterMessage(message);
var introText = document.getElementById('a11y-speak-intro-text');
var containerAssertive = document.getElementById('a11y-speak-assertive');
var containerPolite = document.getElementById('a11y-speak-polite');
if (containerAssertive && ariaLive === 'assertive') {
containerAssertive.textContent = message;
} else if (containerPolite) {
containerPolite.textContent = message;
}
/*
* Make the explanatory text available to assistive technologies by removing
* the 'hidden' HTML attribute.
*/
if (introText) {
introText.removeAttribute('hidden');
}
}
/***/ })
/******/ });