1009 lines
33 KiB
JavaScript
1009 lines
33 KiB
JavaScript
this["wp"] = this["wp"] || {}; this["wp"]["dom"] =
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/******/ (function(modules) { // webpackBootstrap
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/******/ // The module cache
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/******/ var installedModules = {};
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/******/
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/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/
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/******/ // Check if module is in cache
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/******/ if(installedModules[moduleId]) {
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/******/ return installedModules[moduleId].exports;
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/******/ }
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/******/ // Create a new module (and put it into the cache)
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/******/ var module = installedModules[moduleId] = {
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/******/ i: moduleId,
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/******/ l: false,
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/******/ exports: {}
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/******/ };
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/******/
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/******/ // Execute the module function
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/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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/******/
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/******/ // Flag the module as loaded
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/******/ module.l = true;
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/******/
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/******/ // Return the exports of the module
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/******/ return module.exports;
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/******/ }
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/******/
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/******/
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/******/ // expose the modules object (__webpack_modules__)
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/******/ __webpack_require__.m = modules;
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/******/
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/******/ // expose the module cache
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/******/ __webpack_require__.c = installedModules;
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/******/
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/******/ // define getter function for harmony exports
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/******/ __webpack_require__.d = function(exports, name, getter) {
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/******/ if(!__webpack_require__.o(exports, name)) {
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/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
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/******/ }
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/******/ };
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/******/
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/******/ // define __esModule on exports
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/******/ __webpack_require__.r = function(exports) {
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/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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/******/ }
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/******/ Object.defineProperty(exports, '__esModule', { value: true });
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/******/ };
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/******/
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/******/ // create a fake namespace object
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/******/ // mode & 1: value is a module id, require it
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/******/ // mode & 2: merge all properties of value into the ns
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/******/ // mode & 4: return value when already ns object
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/******/ // mode & 8|1: behave like require
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/******/ __webpack_require__.t = function(value, mode) {
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/******/ if(mode & 1) value = __webpack_require__(value);
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/******/ if(mode & 8) return value;
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/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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/******/ var ns = Object.create(null);
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/******/ __webpack_require__.r(ns);
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/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
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/******/ return ns;
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/******/ };
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/******/
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/******/ // getDefaultExport function for compatibility with non-harmony modules
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/******/ __webpack_require__.n = function(module) {
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/******/ var getter = module && module.__esModule ?
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/******/ function getDefault() { return module['default']; } :
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/******/ function getModuleExports() { return module; };
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/******/ __webpack_require__.d(getter, 'a', getter);
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/******/ return getter;
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/******/ };
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/******/
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/******/ // Object.prototype.hasOwnProperty.call
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/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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/******/
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/******/ // __webpack_public_path__
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/******/ __webpack_require__.p = "";
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/******/
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/******/
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/******/ // Load entry module and return exports
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/******/ return __webpack_require__(__webpack_require__.s = 324);
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/******/ })
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/************************************************************************/
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/******/ ({
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/***/ 19:
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/***/ (function(module, __webpack_exports__, __webpack_require__) {
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"use strict";
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// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayWithoutHoles.js
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function _arrayWithoutHoles(arr) {
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if (Array.isArray(arr)) {
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for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) {
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arr2[i] = arr[i];
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}
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return arr2;
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}
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}
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// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/iterableToArray.js
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var iterableToArray = __webpack_require__(33);
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// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/nonIterableSpread.js
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function _nonIterableSpread() {
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throw new TypeError("Invalid attempt to spread non-iterable instance");
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}
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// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/toConsumableArray.js
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/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _toConsumableArray; });
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function _toConsumableArray(arr) {
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return _arrayWithoutHoles(arr) || Object(iterableToArray["a" /* default */])(arr) || _nonIterableSpread();
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}
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/***/ }),
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/***/ 2:
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/***/ (function(module, exports) {
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(function() { module.exports = this["lodash"]; }());
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/***/ }),
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/***/ 324:
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/***/ (function(module, __webpack_exports__, __webpack_require__) {
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"use strict";
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__webpack_require__.r(__webpack_exports__);
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var focusable_namespaceObject = {};
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__webpack_require__.r(focusable_namespaceObject);
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__webpack_require__.d(focusable_namespaceObject, "find", function() { return find; });
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var tabbable_namespaceObject = {};
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__webpack_require__.r(tabbable_namespaceObject);
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__webpack_require__.d(tabbable_namespaceObject, "isTabbableIndex", function() { return isTabbableIndex; });
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__webpack_require__.d(tabbable_namespaceObject, "find", function() { return tabbable_find; });
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// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/toConsumableArray.js + 2 modules
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var toConsumableArray = __webpack_require__(19);
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// CONCATENATED MODULE: ./node_modules/@wordpress/dom/build-module/focusable.js
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/**
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* References:
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*
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* Focusable:
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* - https://www.w3.org/TR/html5/editing.html#focus-management
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*
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* Sequential focus navigation:
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* - https://www.w3.org/TR/html5/editing.html#sequential-focus-navigation-and-the-tabindex-attribute
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*
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* Disabled elements:
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* - https://www.w3.org/TR/html5/disabled-elements.html#disabled-elements
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*
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* getClientRects algorithm (requiring layout box):
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* - https://www.w3.org/TR/cssom-view-1/#extension-to-the-element-interface
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*
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* AREA elements associated with an IMG:
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* - https://w3c.github.io/html/editing.html#data-model
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*/
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var SELECTOR = ['[tabindex]', 'a[href]', 'button:not([disabled])', 'input:not([type="hidden"]):not([disabled])', 'select:not([disabled])', 'textarea:not([disabled])', 'iframe', 'object', 'embed', 'area[href]', '[contenteditable]:not([contenteditable=false])'].join(',');
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/**
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* Returns true if the specified element is visible (i.e. neither display: none
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* nor visibility: hidden).
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*
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* @param {Element} element DOM element to test.
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*
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* @return {boolean} Whether element is visible.
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*/
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function isVisible(element) {
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return element.offsetWidth > 0 || element.offsetHeight > 0 || element.getClientRects().length > 0;
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}
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/**
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* Returns true if the specified area element is a valid focusable element, or
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* false otherwise. Area is only focusable if within a map where a named map
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* referenced by an image somewhere in the document.
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*
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* @param {Element} element DOM area element to test.
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*
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* @return {boolean} Whether area element is valid for focus.
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*/
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function isValidFocusableArea(element) {
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var map = element.closest('map[name]');
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if (!map) {
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return false;
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}
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var img = document.querySelector('img[usemap="#' + map.name + '"]');
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return !!img && isVisible(img);
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}
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/**
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* Returns all focusable elements within a given context.
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*
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* @param {Element} context Element in which to search.
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*
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* @return {Element[]} Focusable elements.
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*/
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function find(context) {
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var elements = context.querySelectorAll(SELECTOR);
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return Object(toConsumableArray["a" /* default */])(elements).filter(function (element) {
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if (!isVisible(element)) {
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return false;
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}
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var nodeName = element.nodeName;
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if ('AREA' === nodeName) {
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return isValidFocusableArea(element);
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}
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return true;
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});
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}
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// CONCATENATED MODULE: ./node_modules/@wordpress/dom/build-module/tabbable.js
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/**
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* Internal dependencies
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*/
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/**
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* Returns the tab index of the given element. In contrast with the tabIndex
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* property, this normalizes the default (0) to avoid browser inconsistencies,
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* operating under the assumption that this function is only ever called with a
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* focusable node.
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*
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* @see https://bugzilla.mozilla.org/show_bug.cgi?id=1190261
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*
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* @param {Element} element Element from which to retrieve.
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*
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* @return {?number} Tab index of element (default 0).
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*/
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function getTabIndex(element) {
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var tabIndex = element.getAttribute('tabindex');
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return tabIndex === null ? 0 : parseInt(tabIndex, 10);
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}
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/**
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* Returns true if the specified element is tabbable, or false otherwise.
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*
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* @param {Element} element Element to test.
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*
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* @return {boolean} Whether element is tabbable.
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*/
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function isTabbableIndex(element) {
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return getTabIndex(element) !== -1;
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}
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/**
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* An array map callback, returning an object with the element value and its
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* array index location as properties. This is used to emulate a proper stable
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* sort where equal tabIndex should be left in order of their occurrence in the
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* document.
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*
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* @param {Element} element Element.
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* @param {number} index Array index of element.
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*
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* @return {Object} Mapped object with element, index.
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*/
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function mapElementToObjectTabbable(element, index) {
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return {
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element: element,
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index: index
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};
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}
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/**
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* An array map callback, returning an element of the given mapped object's
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* element value.
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*
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* @param {Object} object Mapped object with index.
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*
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* @return {Element} Mapped object element.
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*/
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function mapObjectTabbableToElement(object) {
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return object.element;
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}
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/**
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* A sort comparator function used in comparing two objects of mapped elements.
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*
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* @see mapElementToObjectTabbable
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*
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* @param {Object} a First object to compare.
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* @param {Object} b Second object to compare.
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*
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* @return {number} Comparator result.
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*/
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function compareObjectTabbables(a, b) {
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var aTabIndex = getTabIndex(a.element);
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var bTabIndex = getTabIndex(b.element);
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if (aTabIndex === bTabIndex) {
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return a.index - b.index;
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}
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return aTabIndex - bTabIndex;
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}
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function tabbable_find(context) {
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return find(context).filter(isTabbableIndex).map(mapElementToObjectTabbable).sort(compareObjectTabbables).map(mapObjectTabbableToElement);
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}
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// EXTERNAL MODULE: external "lodash"
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var external_lodash_ = __webpack_require__(2);
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// CONCATENATED MODULE: ./node_modules/@wordpress/dom/build-module/dom.js
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/**
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* External dependencies
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*/
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/**
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* Browser dependencies
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*/
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var _window = window,
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getComputedStyle = _window.getComputedStyle;
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var _window$Node = window.Node,
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TEXT_NODE = _window$Node.TEXT_NODE,
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ELEMENT_NODE = _window$Node.ELEMENT_NODE,
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DOCUMENT_POSITION_PRECEDING = _window$Node.DOCUMENT_POSITION_PRECEDING,
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DOCUMENT_POSITION_FOLLOWING = _window$Node.DOCUMENT_POSITION_FOLLOWING;
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/**
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* Returns true if the given selection object is in the forward direction, or
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* false otherwise.
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*
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* @see https://developer.mozilla.org/en-US/docs/Web/API/Node/compareDocumentPosition
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*
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* @param {Selection} selection Selection object to check.
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*
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* @return {boolean} Whether the selection is forward.
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*/
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function isSelectionForward(selection) {
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var anchorNode = selection.anchorNode,
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focusNode = selection.focusNode,
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anchorOffset = selection.anchorOffset,
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focusOffset = selection.focusOffset;
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var position = anchorNode.compareDocumentPosition(focusNode); // Disable reason: `Node#compareDocumentPosition` returns a bitmask value,
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// so bitwise operators are intended.
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/* eslint-disable no-bitwise */
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// Compare whether anchor node precedes focus node. If focus node (where
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// end of selection occurs) is after the anchor node, it is forward.
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if (position & DOCUMENT_POSITION_PRECEDING) {
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return false;
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}
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if (position & DOCUMENT_POSITION_FOLLOWING) {
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return true;
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}
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/* eslint-enable no-bitwise */
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// `compareDocumentPosition` returns 0 when passed the same node, in which
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// case compare offsets.
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if (position === 0) {
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return anchorOffset <= focusOffset;
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} // This should never be reached, but return true as default case.
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return true;
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}
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/**
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* Check whether the selection is horizontally at the edge of the container.
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*
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* @param {Element} container Focusable element.
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* @param {boolean} isReverse Set to true to check left, false for right.
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*
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* @return {boolean} True if at the horizontal edge, false if not.
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*/
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function isHorizontalEdge(container, isReverse) {
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if (Object(external_lodash_["includes"])(['INPUT', 'TEXTAREA'], container.tagName)) {
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if (container.selectionStart !== container.selectionEnd) {
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return false;
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}
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if (isReverse) {
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return container.selectionStart === 0;
|
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}
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return container.value.length === container.selectionStart;
|
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}
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|
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if (!container.isContentEditable) {
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return true;
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}
|
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var selection = window.getSelection(); // Create copy of range for setting selection to find effective offset.
|
|
|
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var range = selection.getRangeAt(0).cloneRange(); // Collapse in direction of selection.
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|
|
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if (!selection.isCollapsed) {
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range.collapse(!isSelectionForward(selection));
|
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}
|
|
|
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var node = range.startContainer;
|
|
var extentOffset;
|
|
|
|
if (isReverse) {
|
|
// When in reverse, range node should be first.
|
|
extentOffset = 0;
|
|
} else if (node.nodeValue) {
|
|
// Otherwise, vary by node type. A text node has no children. Its range
|
|
// offset reflects its position in nodeValue.
|
|
//
|
|
// "If the startContainer is a Node of type Text, Comment, or
|
|
// CDATASection, then the offset is the number of characters from the
|
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// start of the startContainer to the boundary point of the Range."
|
|
//
|
|
// See: https://developer.mozilla.org/en-US/docs/Web/API/Range/startOffset
|
|
// See: https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeValue
|
|
extentOffset = node.nodeValue.length;
|
|
} else {
|
|
// "For other Node types, the startOffset is the number of child nodes
|
|
// between the start of the startContainer and the boundary point of
|
|
// the Range."
|
|
//
|
|
// See: https://developer.mozilla.org/en-US/docs/Web/API/Range/startOffset
|
|
extentOffset = node.childNodes.length;
|
|
} // Offset of range should be at expected extent.
|
|
|
|
|
|
var position = isReverse ? 'start' : 'end';
|
|
var offset = range["".concat(position, "Offset")];
|
|
|
|
if (offset !== extentOffset) {
|
|
return false;
|
|
} // If confirmed to be at extent, traverse up through DOM, verifying that
|
|
// the node is at first or last child for reverse or forward respectively.
|
|
// Continue until container is reached.
|
|
|
|
|
|
var order = isReverse ? 'first' : 'last';
|
|
|
|
while (node !== container) {
|
|
var parentNode = node.parentNode;
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|
|
|
if (parentNode["".concat(order, "Child")] !== node) {
|
|
return false;
|
|
}
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|
|
|
node = parentNode;
|
|
} // If reached, range is assumed to be at edge.
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|
|
|
|
|
return true;
|
|
}
|
|
/**
|
|
* Check whether the selection is vertically at the edge of the container.
|
|
*
|
|
* @param {Element} container Focusable element.
|
|
* @param {boolean} isReverse Set to true to check top, false for bottom.
|
|
*
|
|
* @return {boolean} True if at the edge, false if not.
|
|
*/
|
|
|
|
function isVerticalEdge(container, isReverse) {
|
|
if (Object(external_lodash_["includes"])(['INPUT', 'TEXTAREA'], container.tagName)) {
|
|
return isHorizontalEdge(container, isReverse);
|
|
}
|
|
|
|
if (!container.isContentEditable) {
|
|
return true;
|
|
}
|
|
|
|
var selection = window.getSelection();
|
|
var range = selection.rangeCount ? selection.getRangeAt(0) : null;
|
|
|
|
if (!range) {
|
|
return false;
|
|
}
|
|
|
|
var rangeRect = getRectangleFromRange(range);
|
|
|
|
if (!rangeRect) {
|
|
return false;
|
|
}
|
|
|
|
var buffer = rangeRect.height / 2;
|
|
var editableRect = container.getBoundingClientRect(); // Too low.
|
|
|
|
if (isReverse && rangeRect.top - buffer > editableRect.top) {
|
|
return false;
|
|
} // Too high.
|
|
|
|
|
|
if (!isReverse && rangeRect.bottom + buffer < editableRect.bottom) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
/**
|
|
* Get the rectangle of a given Range.
|
|
*
|
|
* @param {Range} range The range.
|
|
*
|
|
* @return {DOMRect} The rectangle.
|
|
*/
|
|
|
|
function getRectangleFromRange(range) {
|
|
// For uncollapsed ranges, get the rectangle that bounds the contents of the
|
|
// range; this a rectangle enclosing the union of the bounding rectangles
|
|
// for all the elements in the range.
|
|
if (!range.collapsed) {
|
|
return range.getBoundingClientRect();
|
|
}
|
|
|
|
var rect = range.getClientRects()[0]; // If the collapsed range starts (and therefore ends) at an element node,
|
|
// `getClientRects` can be empty in some browsers. This can be resolved
|
|
// by adding a temporary text node with zero-width space to the range.
|
|
//
|
|
// See: https://stackoverflow.com/a/6847328/995445
|
|
|
|
if (!rect) {
|
|
var padNode = document.createTextNode("\u200B");
|
|
range.insertNode(padNode);
|
|
rect = range.getClientRects()[0];
|
|
padNode.parentNode.removeChild(padNode);
|
|
}
|
|
|
|
return rect;
|
|
}
|
|
/**
|
|
* Get the rectangle for the selection in a container.
|
|
*
|
|
* @param {Element} container Editable container.
|
|
*
|
|
* @return {?DOMRect} The rectangle.
|
|
*/
|
|
|
|
function computeCaretRect(container) {
|
|
if (!container.isContentEditable) {
|
|
return;
|
|
}
|
|
|
|
var selection = window.getSelection();
|
|
var range = selection.rangeCount ? selection.getRangeAt(0) : null;
|
|
|
|
if (!range) {
|
|
return;
|
|
}
|
|
|
|
return getRectangleFromRange(range);
|
|
}
|
|
/**
|
|
* Places the caret at start or end of a given element.
|
|
*
|
|
* @param {Element} container Focusable element.
|
|
* @param {boolean} isReverse True for end, false for start.
|
|
*/
|
|
|
|
function placeCaretAtHorizontalEdge(container, isReverse) {
|
|
if (!container) {
|
|
return;
|
|
}
|
|
|
|
if (Object(external_lodash_["includes"])(['INPUT', 'TEXTAREA'], container.tagName)) {
|
|
container.focus();
|
|
|
|
if (isReverse) {
|
|
container.selectionStart = container.value.length;
|
|
container.selectionEnd = container.value.length;
|
|
} else {
|
|
container.selectionStart = 0;
|
|
container.selectionEnd = 0;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
container.focus();
|
|
|
|
if (!container.isContentEditable) {
|
|
return;
|
|
} // Select on extent child of the container, not the container itself. This
|
|
// avoids the selection always being `endOffset` of 1 when placed at end,
|
|
// where `startContainer`, `endContainer` would always be container itself.
|
|
|
|
|
|
var rangeTarget = container[isReverse ? 'lastChild' : 'firstChild']; // If no range target, it implies that the container is empty. Focusing is
|
|
// sufficient for caret to be placed correctly.
|
|
|
|
if (!rangeTarget) {
|
|
return;
|
|
}
|
|
|
|
var selection = window.getSelection();
|
|
var range = document.createRange();
|
|
range.selectNodeContents(rangeTarget);
|
|
range.collapse(!isReverse);
|
|
selection.removeAllRanges();
|
|
selection.addRange(range);
|
|
}
|
|
/**
|
|
* Polyfill.
|
|
* Get a collapsed range for a given point.
|
|
*
|
|
* @see https://developer.mozilla.org/en-US/docs/Web/API/Document/caretRangeFromPoint
|
|
*
|
|
* @param {Document} doc The document of the range.
|
|
* @param {number} x Horizontal position within the current viewport.
|
|
* @param {number} y Vertical position within the current viewport.
|
|
*
|
|
* @return {?Range} The best range for the given point.
|
|
*/
|
|
|
|
function caretRangeFromPoint(doc, x, y) {
|
|
if (doc.caretRangeFromPoint) {
|
|
return doc.caretRangeFromPoint(x, y);
|
|
}
|
|
|
|
if (!doc.caretPositionFromPoint) {
|
|
return null;
|
|
}
|
|
|
|
var point = doc.caretPositionFromPoint(x, y); // If x or y are negative, outside viewport, or there is no text entry node.
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/Document/caretRangeFromPoint
|
|
|
|
if (!point) {
|
|
return null;
|
|
}
|
|
|
|
var range = doc.createRange();
|
|
range.setStart(point.offsetNode, point.offset);
|
|
range.collapse(true);
|
|
return range;
|
|
}
|
|
/**
|
|
* Get a collapsed range for a given point.
|
|
* Gives the container a temporary high z-index (above any UI).
|
|
* This is preferred over getting the UI nodes and set styles there.
|
|
*
|
|
* @param {Document} doc The document of the range.
|
|
* @param {number} x Horizontal position within the current viewport.
|
|
* @param {number} y Vertical position within the current viewport.
|
|
* @param {Element} container Container in which the range is expected to be found.
|
|
*
|
|
* @return {?Range} The best range for the given point.
|
|
*/
|
|
|
|
|
|
function hiddenCaretRangeFromPoint(doc, x, y, container) {
|
|
container.style.zIndex = '10000';
|
|
var range = caretRangeFromPoint(doc, x, y);
|
|
container.style.zIndex = null;
|
|
return range;
|
|
}
|
|
/**
|
|
* Places the caret at the top or bottom of a given element.
|
|
*
|
|
* @param {Element} container Focusable element.
|
|
* @param {boolean} isReverse True for bottom, false for top.
|
|
* @param {DOMRect} [rect] The rectangle to position the caret with.
|
|
* @param {boolean} [mayUseScroll=true] True to allow scrolling, false to disallow.
|
|
*/
|
|
|
|
|
|
function placeCaretAtVerticalEdge(container, isReverse, rect) {
|
|
var mayUseScroll = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;
|
|
|
|
if (!container) {
|
|
return;
|
|
}
|
|
|
|
if (!rect || !container.isContentEditable) {
|
|
placeCaretAtHorizontalEdge(container, isReverse);
|
|
return;
|
|
} // Offset by a buffer half the height of the caret rect. This is needed
|
|
// because caretRangeFromPoint may default to the end of the selection if
|
|
// offset is too close to the edge. It's unclear how to precisely calculate
|
|
// this threshold; it may be the padded area of some combination of line
|
|
// height, caret height, and font size. The buffer offset is effectively
|
|
// equivalent to a point at half the height of a line of text.
|
|
|
|
|
|
var buffer = rect.height / 2;
|
|
var editableRect = container.getBoundingClientRect();
|
|
var x = rect.left;
|
|
var y = isReverse ? editableRect.bottom - buffer : editableRect.top + buffer;
|
|
var range = hiddenCaretRangeFromPoint(document, x, y, container);
|
|
|
|
if (!range || !container.contains(range.startContainer)) {
|
|
if (mayUseScroll && (!range || !range.startContainer || !range.startContainer.contains(container))) {
|
|
// Might be out of view.
|
|
// Easier than attempting to calculate manually.
|
|
container.scrollIntoView(isReverse);
|
|
placeCaretAtVerticalEdge(container, isReverse, rect, false);
|
|
return;
|
|
}
|
|
|
|
placeCaretAtHorizontalEdge(container, isReverse);
|
|
return;
|
|
} // Check if the closest text node is actually further away.
|
|
// If so, attempt to get the range again with the y position adjusted to get the right offset.
|
|
|
|
|
|
if (range.startContainer.nodeType === TEXT_NODE) {
|
|
var parentNode = range.startContainer.parentNode;
|
|
var parentRect = parentNode.getBoundingClientRect();
|
|
var side = isReverse ? 'bottom' : 'top';
|
|
var padding = parseInt(getComputedStyle(parentNode).getPropertyValue("padding-".concat(side)), 10) || 0;
|
|
var actualY = isReverse ? parentRect.bottom - padding - buffer : parentRect.top + padding + buffer;
|
|
|
|
if (y !== actualY) {
|
|
range = hiddenCaretRangeFromPoint(document, x, actualY, container);
|
|
}
|
|
}
|
|
|
|
var selection = window.getSelection();
|
|
selection.removeAllRanges();
|
|
selection.addRange(range);
|
|
container.focus(); // Editable was already focussed, it goes back to old range...
|
|
// This fixes it.
|
|
|
|
selection.removeAllRanges();
|
|
selection.addRange(range);
|
|
}
|
|
/**
|
|
* Check whether the given element is a text field, where text field is defined
|
|
* by the ability to select within the input, or that it is contenteditable.
|
|
*
|
|
* See: https://html.spec.whatwg.org/#textFieldSelection
|
|
*
|
|
* @param {HTMLElement} element The HTML element.
|
|
*
|
|
* @return {boolean} True if the element is an text field, false if not.
|
|
*/
|
|
|
|
function isTextField(element) {
|
|
try {
|
|
var nodeName = element.nodeName,
|
|
selectionStart = element.selectionStart,
|
|
contentEditable = element.contentEditable;
|
|
return nodeName === 'INPUT' && selectionStart !== null || nodeName === 'TEXTAREA' || contentEditable === 'true';
|
|
} catch (error) {
|
|
// Safari throws an exception when trying to get `selectionStart`
|
|
// on non-text <input> elements (which, understandably, don't
|
|
// have the text selection API). We catch this via a try/catch
|
|
// block, as opposed to a more explicit check of the element's
|
|
// input types, because of Safari's non-standard behavior. This
|
|
// also means we don't have to worry about the list of input
|
|
// types that support `selectionStart` changing as the HTML spec
|
|
// evolves over time.
|
|
return false;
|
|
}
|
|
}
|
|
/**
|
|
* Check wether the current document has a selection.
|
|
* This checks both for focus in an input field and general text selection.
|
|
*
|
|
* @return {boolean} True if there is selection, false if not.
|
|
*/
|
|
|
|
function documentHasSelection() {
|
|
if (isTextField(document.activeElement)) {
|
|
return true;
|
|
}
|
|
|
|
var selection = window.getSelection();
|
|
var range = selection.rangeCount ? selection.getRangeAt(0) : null;
|
|
return range && !range.collapsed;
|
|
}
|
|
/**
|
|
* Check whether the contents of the element have been entirely selected.
|
|
* Returns true if there is no possibility of selection.
|
|
*
|
|
* @param {Element} element The element to check.
|
|
*
|
|
* @return {boolean} True if entirely selected, false if not.
|
|
*/
|
|
|
|
function isEntirelySelected(element) {
|
|
if (Object(external_lodash_["includes"])(['INPUT', 'TEXTAREA'], element.nodeName)) {
|
|
return element.selectionStart === 0 && element.value.length === element.selectionEnd;
|
|
}
|
|
|
|
if (!element.isContentEditable) {
|
|
return true;
|
|
}
|
|
|
|
var selection = window.getSelection();
|
|
var range = selection.rangeCount ? selection.getRangeAt(0) : null;
|
|
|
|
if (!range) {
|
|
return true;
|
|
}
|
|
|
|
var startContainer = range.startContainer,
|
|
endContainer = range.endContainer,
|
|
startOffset = range.startOffset,
|
|
endOffset = range.endOffset;
|
|
|
|
if (startContainer === element && endContainer === element && startOffset === 0 && endOffset === element.childNodes.length) {
|
|
return true;
|
|
}
|
|
|
|
var lastChild = element.lastChild;
|
|
var lastChildContentLength = lastChild.nodeType === TEXT_NODE ? lastChild.data.length : lastChild.childNodes.length;
|
|
return startContainer === element.firstChild && endContainer === element.lastChild && startOffset === 0 && endOffset === lastChildContentLength;
|
|
}
|
|
/**
|
|
* Given a DOM node, finds the closest scrollable container node.
|
|
*
|
|
* @param {Element} node Node from which to start.
|
|
*
|
|
* @return {?Element} Scrollable container node, if found.
|
|
*/
|
|
|
|
function getScrollContainer(node) {
|
|
if (!node) {
|
|
return;
|
|
} // Scrollable if scrollable height exceeds displayed...
|
|
|
|
|
|
if (node.scrollHeight > node.clientHeight) {
|
|
// ...except when overflow is defined to be hidden or visible
|
|
var _window$getComputedSt = window.getComputedStyle(node),
|
|
overflowY = _window$getComputedSt.overflowY;
|
|
|
|
if (/(auto|scroll)/.test(overflowY)) {
|
|
return node;
|
|
}
|
|
} // Continue traversing
|
|
|
|
|
|
return getScrollContainer(node.parentNode);
|
|
}
|
|
/**
|
|
* Returns the closest positioned element, or null under any of the conditions
|
|
* of the offsetParent specification. Unlike offsetParent, this function is not
|
|
* limited to HTMLElement and accepts any Node (e.g. Node.TEXT_NODE).
|
|
*
|
|
* @see https://drafts.csswg.org/cssom-view/#dom-htmlelement-offsetparent
|
|
*
|
|
* @param {Node} node Node from which to find offset parent.
|
|
*
|
|
* @return {?Node} Offset parent.
|
|
*/
|
|
|
|
function getOffsetParent(node) {
|
|
// Cannot retrieve computed style or offset parent only anything other than
|
|
// an element node, so find the closest element node.
|
|
var closestElement;
|
|
|
|
while (closestElement = node.parentNode) {
|
|
if (closestElement.nodeType === ELEMENT_NODE) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!closestElement) {
|
|
return null;
|
|
} // If the closest element is already positioned, return it, as offsetParent
|
|
// does not otherwise consider the node itself.
|
|
|
|
|
|
if (getComputedStyle(closestElement).position !== 'static') {
|
|
return closestElement;
|
|
}
|
|
|
|
return closestElement.offsetParent;
|
|
}
|
|
/**
|
|
* Given two DOM nodes, replaces the former with the latter in the DOM.
|
|
*
|
|
* @param {Element} processedNode Node to be removed.
|
|
* @param {Element} newNode Node to be inserted in its place.
|
|
* @return {void}
|
|
*/
|
|
|
|
function replace(processedNode, newNode) {
|
|
insertAfter(newNode, processedNode.parentNode);
|
|
remove(processedNode);
|
|
}
|
|
/**
|
|
* Given a DOM node, removes it from the DOM.
|
|
*
|
|
* @param {Element} node Node to be removed.
|
|
* @return {void}
|
|
*/
|
|
|
|
function remove(node) {
|
|
node.parentNode.removeChild(node);
|
|
}
|
|
/**
|
|
* Given two DOM nodes, inserts the former in the DOM as the next sibling of
|
|
* the latter.
|
|
*
|
|
* @param {Element} newNode Node to be inserted.
|
|
* @param {Element} referenceNode Node after which to perform the insertion.
|
|
* @return {void}
|
|
*/
|
|
|
|
function insertAfter(newNode, referenceNode) {
|
|
referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
|
|
}
|
|
/**
|
|
* Unwrap the given node. This means any child nodes are moved to the parent.
|
|
*
|
|
* @param {Node} node The node to unwrap.
|
|
*
|
|
* @return {void}
|
|
*/
|
|
|
|
function unwrap(node) {
|
|
var parent = node.parentNode;
|
|
|
|
while (node.firstChild) {
|
|
parent.insertBefore(node.firstChild, node);
|
|
}
|
|
|
|
parent.removeChild(node);
|
|
}
|
|
/**
|
|
* Replaces the given node with a new node with the given tag name.
|
|
*
|
|
* @param {Element} node The node to replace
|
|
* @param {string} tagName The new tag name.
|
|
*
|
|
* @return {Element} The new node.
|
|
*/
|
|
|
|
function replaceTag(node, tagName) {
|
|
var newNode = node.ownerDocument.createElement(tagName);
|
|
|
|
while (node.firstChild) {
|
|
newNode.appendChild(node.firstChild);
|
|
}
|
|
|
|
node.parentNode.replaceChild(newNode, node);
|
|
return newNode;
|
|
}
|
|
/**
|
|
* Wraps the given node with a new node with the given tag name.
|
|
*
|
|
* @param {Element} newNode The node to insert.
|
|
* @param {Element} referenceNode The node to wrap.
|
|
*/
|
|
|
|
function wrap(newNode, referenceNode) {
|
|
referenceNode.parentNode.insertBefore(newNode, referenceNode);
|
|
newNode.appendChild(referenceNode);
|
|
}
|
|
|
|
// CONCATENATED MODULE: ./node_modules/@wordpress/dom/build-module/index.js
|
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "focus", function() { return build_module_focus; });
|
|
/* concated harmony reexport isHorizontalEdge */__webpack_require__.d(__webpack_exports__, "isHorizontalEdge", function() { return isHorizontalEdge; });
|
|
/* concated harmony reexport isVerticalEdge */__webpack_require__.d(__webpack_exports__, "isVerticalEdge", function() { return isVerticalEdge; });
|
|
/* concated harmony reexport getRectangleFromRange */__webpack_require__.d(__webpack_exports__, "getRectangleFromRange", function() { return getRectangleFromRange; });
|
|
/* concated harmony reexport computeCaretRect */__webpack_require__.d(__webpack_exports__, "computeCaretRect", function() { return computeCaretRect; });
|
|
/* concated harmony reexport placeCaretAtHorizontalEdge */__webpack_require__.d(__webpack_exports__, "placeCaretAtHorizontalEdge", function() { return placeCaretAtHorizontalEdge; });
|
|
/* concated harmony reexport placeCaretAtVerticalEdge */__webpack_require__.d(__webpack_exports__, "placeCaretAtVerticalEdge", function() { return placeCaretAtVerticalEdge; });
|
|
/* concated harmony reexport isTextField */__webpack_require__.d(__webpack_exports__, "isTextField", function() { return isTextField; });
|
|
/* concated harmony reexport documentHasSelection */__webpack_require__.d(__webpack_exports__, "documentHasSelection", function() { return documentHasSelection; });
|
|
/* concated harmony reexport isEntirelySelected */__webpack_require__.d(__webpack_exports__, "isEntirelySelected", function() { return isEntirelySelected; });
|
|
/* concated harmony reexport getScrollContainer */__webpack_require__.d(__webpack_exports__, "getScrollContainer", function() { return getScrollContainer; });
|
|
/* concated harmony reexport getOffsetParent */__webpack_require__.d(__webpack_exports__, "getOffsetParent", function() { return getOffsetParent; });
|
|
/* concated harmony reexport replace */__webpack_require__.d(__webpack_exports__, "replace", function() { return replace; });
|
|
/* concated harmony reexport remove */__webpack_require__.d(__webpack_exports__, "remove", function() { return remove; });
|
|
/* concated harmony reexport insertAfter */__webpack_require__.d(__webpack_exports__, "insertAfter", function() { return insertAfter; });
|
|
/* concated harmony reexport unwrap */__webpack_require__.d(__webpack_exports__, "unwrap", function() { return unwrap; });
|
|
/* concated harmony reexport replaceTag */__webpack_require__.d(__webpack_exports__, "replaceTag", function() { return replaceTag; });
|
|
/* concated harmony reexport wrap */__webpack_require__.d(__webpack_exports__, "wrap", function() { return wrap; });
|
|
/**
|
|
* Internal dependencies
|
|
*/
|
|
|
|
|
|
var build_module_focus = {
|
|
focusable: focusable_namespaceObject,
|
|
tabbable: tabbable_namespaceObject
|
|
};
|
|
|
|
|
|
|
|
/***/ }),
|
|
|
|
/***/ 33:
|
|
/***/ (function(module, __webpack_exports__, __webpack_require__) {
|
|
|
|
"use strict";
|
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _iterableToArray; });
|
|
function _iterableToArray(iter) {
|
|
if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
|
|
}
|
|
|
|
/***/ })
|
|
|
|
/******/ }); |