1142 lines
38 KiB
JavaScript
1142 lines
38 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 = 460);
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/******/ })
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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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/***/ 460:
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/***/ (function(module, __webpack_exports__, __webpack_require__) {
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"use strict";
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// ESM COMPAT FLAG
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__webpack_require__.r(__webpack_exports__);
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// EXPORTS
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__webpack_require__.d(__webpack_exports__, "focus", function() { return /* binding */ build_module_focus; });
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__webpack_require__.d(__webpack_exports__, "isHorizontalEdge", function() { return /* reexport */ isHorizontalEdge; });
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__webpack_require__.d(__webpack_exports__, "isVerticalEdge", function() { return /* reexport */ isVerticalEdge; });
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__webpack_require__.d(__webpack_exports__, "getRectangleFromRange", function() { return /* reexport */ getRectangleFromRange; });
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__webpack_require__.d(__webpack_exports__, "computeCaretRect", function() { return /* reexport */ computeCaretRect; });
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__webpack_require__.d(__webpack_exports__, "placeCaretAtHorizontalEdge", function() { return /* reexport */ placeCaretAtHorizontalEdge; });
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__webpack_require__.d(__webpack_exports__, "placeCaretAtVerticalEdge", function() { return /* reexport */ placeCaretAtVerticalEdge; });
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__webpack_require__.d(__webpack_exports__, "isTextField", function() { return /* reexport */ isTextField; });
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__webpack_require__.d(__webpack_exports__, "isNumberInput", function() { return /* reexport */ isNumberInput; });
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__webpack_require__.d(__webpack_exports__, "documentHasTextSelection", function() { return /* reexport */ documentHasTextSelection; });
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__webpack_require__.d(__webpack_exports__, "documentHasUncollapsedSelection", function() { return /* reexport */ documentHasUncollapsedSelection; });
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__webpack_require__.d(__webpack_exports__, "documentHasSelection", function() { return /* reexport */ documentHasSelection; });
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__webpack_require__.d(__webpack_exports__, "isEntirelySelected", function() { return /* reexport */ isEntirelySelected; });
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__webpack_require__.d(__webpack_exports__, "getScrollContainer", function() { return /* reexport */ getScrollContainer; });
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__webpack_require__.d(__webpack_exports__, "getOffsetParent", function() { return /* reexport */ getOffsetParent; });
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__webpack_require__.d(__webpack_exports__, "replace", function() { return /* reexport */ replace; });
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__webpack_require__.d(__webpack_exports__, "remove", function() { return /* reexport */ remove; });
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__webpack_require__.d(__webpack_exports__, "insertAfter", function() { return /* reexport */ insertAfter; });
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__webpack_require__.d(__webpack_exports__, "unwrap", function() { return /* reexport */ unwrap; });
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__webpack_require__.d(__webpack_exports__, "replaceTag", function() { return /* reexport */ replaceTag; });
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__webpack_require__.d(__webpack_exports__, "wrap", function() { return /* reexport */ wrap; });
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__webpack_require__.d(__webpack_exports__, "__unstableStripHTML", function() { return /* reexport */ __unstableStripHTML; });
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// NAMESPACE OBJECT: ./node_modules/@wordpress/dom/build-module/focusable.js
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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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// NAMESPACE OBJECT: ./node_modules/@wordpress/dom/build-module/tabbable.js
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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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__webpack_require__.d(tabbable_namespaceObject, "findPrevious", function() { return findPrevious; });
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__webpack_require__.d(tabbable_namespaceObject, "findNext", function() { return findNext; });
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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 Array.from(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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// EXTERNAL MODULE: external {"this":"lodash"}
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var external_this_lodash_ = __webpack_require__(2);
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// CONCATENATED MODULE: ./node_modules/@wordpress/dom/build-module/tabbable.js
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/**
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* External dependencies
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*/
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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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* Returns a stateful reducer function which constructs a filtered array of
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* tabbable elements, where at most one radio input is selected for a given
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* name, giving priority to checked input, falling back to the first
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* encountered.
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*
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* @return {Function} Radio group collapse reducer.
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*/
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function createStatefulCollapseRadioGroup() {
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var CHOSEN_RADIO_BY_NAME = {};
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return function collapseRadioGroup(result, element) {
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var nodeName = element.nodeName,
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type = element.type,
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checked = element.checked,
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name = element.name; // For all non-radio tabbables, construct to array by concatenating.
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if (nodeName !== 'INPUT' || type !== 'radio' || !name) {
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return result.concat(element);
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}
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var hasChosen = CHOSEN_RADIO_BY_NAME.hasOwnProperty(name); // Omit by skipping concatenation if the radio element is not chosen.
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var isChosen = checked || !hasChosen;
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if (!isChosen) {
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return result;
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} // At this point, if there had been a chosen element, the current
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// element is checked and should take priority. Retroactively remove
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// the element which had previously been considered the chosen one.
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if (hasChosen) {
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var hadChosenElement = CHOSEN_RADIO_BY_NAME[name];
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result = Object(external_this_lodash_["without"])(result, hadChosenElement);
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}
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CHOSEN_RADIO_BY_NAME[name] = element;
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return result.concat(element);
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};
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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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/**
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* Givin focusable elements, filters out tabbable element.
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*
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* @param {Array} focusables Focusable elements to filter.
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*
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* @return {Array} Tabbable elements.
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*/
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function filterTabbable(focusables) {
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return focusables.filter(isTabbableIndex).map(mapElementToObjectTabbable).sort(compareObjectTabbables).map(mapObjectTabbableToElement).reduce(createStatefulCollapseRadioGroup(), []);
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}
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function tabbable_find(context) {
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return filterTabbable(find(context));
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}
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/**
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* Given a focusable element, find the preceding tabbable element.
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*
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* @param {Element} element The focusable element before which to look. Defaults
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* to the active element.
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*/
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function findPrevious() {
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var element = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : document.activeElement;
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var focusables = find(document.body);
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var index = focusables.indexOf(element); // Remove all focusables after and including `element`.
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focusables.length = index;
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return Object(external_this_lodash_["last"])(filterTabbable(focusables));
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}
|
|
/**
|
|
* Given a focusable element, find the next tabbable element.
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|
*
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|
* @param {Element} element The focusable element after which to look. Defaults
|
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* to the active element.
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|
*/
|
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function findNext() {
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var element = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : document.activeElement;
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var focusables = find(document.body);
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var index = focusables.indexOf(element); // Remove all focusables before and inside `element`.
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var remaining = focusables.slice(index + 1).filter(function (node) {
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return !element.contains(node);
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});
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return Object(external_this_lodash_["first"])(filterTabbable(remaining));
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}
|
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// CONCATENATED MODULE: ./node_modules/@wordpress/dom/build-module/dom.js
|
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/**
|
|
* External dependencies
|
|
*/
|
|
|
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/**
|
|
* Browser dependencies
|
|
*/
|
|
|
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var _window = window,
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|
DOMParser = _window.DOMParser,
|
|
getComputedStyle = _window.getComputedStyle;
|
|
var _window$Node = window.Node,
|
|
TEXT_NODE = _window$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;
|
|
/**
|
|
* Returns true if the given selection object is in the forward direction, or
|
|
* false otherwise.
|
|
*
|
|
* @see https://developer.mozilla.org/en-US/docs/Web/API/Node/compareDocumentPosition
|
|
*
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|
* @param {Selection} selection Selection object to check.
|
|
*
|
|
* @return {boolean} Whether the selection is forward.
|
|
*/
|
|
|
|
function isSelectionForward(selection) {
|
|
var anchorNode = selection.anchorNode,
|
|
focusNode = selection.focusNode,
|
|
anchorOffset = selection.anchorOffset,
|
|
focusOffset = selection.focusOffset;
|
|
var position = anchorNode.compareDocumentPosition(focusNode); // Disable reason: `Node#compareDocumentPosition` returns a bitmask value,
|
|
// so bitwise operators are intended.
|
|
|
|
/* eslint-disable no-bitwise */
|
|
// Compare whether anchor node precedes focus node. If focus node (where
|
|
// end of selection occurs) is after the anchor node, it is forward.
|
|
|
|
if (position & DOCUMENT_POSITION_PRECEDING) {
|
|
return false;
|
|
}
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|
|
|
if (position & DOCUMENT_POSITION_FOLLOWING) {
|
|
return true;
|
|
}
|
|
/* eslint-enable no-bitwise */
|
|
// `compareDocumentPosition` returns 0 when passed the same node, in which
|
|
// case compare offsets.
|
|
|
|
|
|
if (position === 0) {
|
|
return anchorOffset <= focusOffset;
|
|
} // This should never be reached, but return true as default case.
|
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|
|
|
|
return true;
|
|
}
|
|
/**
|
|
* Check whether the selection is at the edge of the container. Checks for
|
|
* horizontal position by default. Set `onlyVertical` to true to check only
|
|
* vertically.
|
|
*
|
|
* @param {Element} container Focusable element.
|
|
* @param {boolean} isReverse Set to true to check left, false to check right.
|
|
* @param {boolean} onlyVertical Set to true to check only vertical position.
|
|
*
|
|
* @return {boolean} True if at the edge, false if not.
|
|
*/
|
|
|
|
|
|
function isEdge(container, isReverse, onlyVertical) {
|
|
if (Object(external_this_lodash_["includes"])(['INPUT', 'TEXTAREA'], container.tagName)) {
|
|
if (container.selectionStart !== container.selectionEnd) {
|
|
return false;
|
|
}
|
|
|
|
if (isReverse) {
|
|
return container.selectionStart === 0;
|
|
}
|
|
|
|
return container.value.length === container.selectionStart;
|
|
}
|
|
|
|
if (!container.isContentEditable) {
|
|
return true;
|
|
}
|
|
|
|
var selection = window.getSelection();
|
|
|
|
if (!selection.rangeCount) {
|
|
return false;
|
|
}
|
|
|
|
var originalRange = selection.getRangeAt(0);
|
|
var range = originalRange.cloneRange();
|
|
var isForward = isSelectionForward(selection);
|
|
var isCollapsed = selection.isCollapsed; // Collapse in direction of selection.
|
|
|
|
if (!isCollapsed) {
|
|
range.collapse(!isForward);
|
|
}
|
|
|
|
var rangeRect = getRectangleFromRange(range);
|
|
|
|
if (!rangeRect) {
|
|
return false;
|
|
}
|
|
|
|
var computedStyle = window.getComputedStyle(container);
|
|
var lineHeight = parseInt(computedStyle.lineHeight, 10) || 0; // Only consider the multiline selection at the edge if the direction is
|
|
// towards the edge.
|
|
|
|
if (!isCollapsed && rangeRect.height > lineHeight && isForward === isReverse) {
|
|
return false;
|
|
}
|
|
|
|
var padding = parseInt(computedStyle["padding".concat(isReverse ? 'Top' : 'Bottom')], 10) || 0; // Calculate a buffer that is half the line height. In some browsers, the
|
|
// selection rectangle may not fill the entire height of the line, so we add
|
|
// 3/4 the line height to the selection rectangle to ensure that it is well
|
|
// over its line boundary.
|
|
|
|
var buffer = 3 * parseInt(lineHeight, 10) / 4;
|
|
var containerRect = container.getBoundingClientRect();
|
|
var originalRangeRect = getRectangleFromRange(originalRange);
|
|
var verticalEdge = isReverse ? containerRect.top + padding > originalRangeRect.top - buffer : containerRect.bottom - padding < originalRangeRect.bottom + buffer;
|
|
|
|
if (!verticalEdge) {
|
|
return false;
|
|
}
|
|
|
|
if (onlyVertical) {
|
|
return true;
|
|
} // In the case of RTL scripts, the horizontal edge is at the opposite side.
|
|
|
|
|
|
var direction = computedStyle.direction;
|
|
var isReverseDir = direction === 'rtl' ? !isReverse : isReverse; // To calculate the horizontal position, we insert a test range and see if
|
|
// this test range has the same horizontal position. This method proves to
|
|
// be better than a DOM-based calculation, because it ignores empty text
|
|
// nodes and a trailing line break element. In other words, we need to check
|
|
// visual positioning, not DOM positioning.
|
|
|
|
var x = isReverseDir ? containerRect.left + 1 : containerRect.right - 1;
|
|
var y = isReverse ? containerRect.top + buffer : containerRect.bottom - buffer;
|
|
var testRange = hiddenCaretRangeFromPoint(document, x, y, container);
|
|
|
|
if (!testRange) {
|
|
return false;
|
|
}
|
|
|
|
var side = isReverseDir ? 'left' : 'right';
|
|
var testRect = getRectangleFromRange(testRange); // Allow the position to be 1px off.
|
|
|
|
return Math.abs(testRect[side] - rangeRect[side]) <= 1;
|
|
}
|
|
/**
|
|
* Check whether the selection is horizontally at the edge of the container.
|
|
*
|
|
* @param {Element} container Focusable element.
|
|
* @param {boolean} isReverse Set to true to check left, false for right.
|
|
*
|
|
* @return {boolean} True if at the horizontal edge, false if not.
|
|
*/
|
|
|
|
|
|
function isHorizontalEdge(container, isReverse) {
|
|
return isEdge(container, isReverse);
|
|
}
|
|
/**
|
|
* 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 vertical edge, false if not.
|
|
*/
|
|
|
|
function isVerticalEdge(container, isReverse) {
|
|
return isEdge(container, isReverse, 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 _range = range,
|
|
startContainer = _range.startContainer; // Correct invalid "BR" ranges. The cannot contain any children.
|
|
|
|
if (startContainer.nodeName === 'BR') {
|
|
var parentNode = startContainer.parentNode;
|
|
var index = Array.from(parentNode.childNodes).indexOf(startContainer);
|
|
range = document.createRange();
|
|
range.setStart(parentNode, index);
|
|
range.setEnd(parentNode, index);
|
|
}
|
|
|
|
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"); // Do not modify the live range.
|
|
|
|
range = range.cloneRange();
|
|
range.insertNode(padNode);
|
|
rect = range.getClientRects()[0];
|
|
padNode.parentNode.removeChild(padNode);
|
|
}
|
|
|
|
return rect;
|
|
}
|
|
/**
|
|
* Get the rectangle for the selection in a container.
|
|
*
|
|
* @return {?DOMRect} The rectangle.
|
|
*/
|
|
|
|
function computeCaretRect() {
|
|
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_this_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) {
|
|
var originalZIndex = container.style.zIndex;
|
|
var originalPosition = container.style.position; // A z-index only works if the element position is not static.
|
|
|
|
container.style.zIndex = '10000';
|
|
container.style.position = 'relative';
|
|
var range = caretRangeFromPoint(doc, x, y);
|
|
container.style.zIndex = originalZIndex;
|
|
container.style.position = originalPosition;
|
|
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;
|
|
}
|
|
|
|
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 whether the given element is an input field of type number
|
|
* and has a valueAsNumber
|
|
*
|
|
* @param {HTMLElement} element The HTML element.
|
|
*
|
|
* @return {boolean} True if the element is input and holds a number.
|
|
*/
|
|
|
|
function isNumberInput(element) {
|
|
var nodeName = element.nodeName,
|
|
type = element.type,
|
|
valueAsNumber = element.valueAsNumber;
|
|
return nodeName === 'INPUT' && type === 'number' && !!valueAsNumber;
|
|
}
|
|
/**
|
|
* Check whether the current document has selected text. This applies to ranges
|
|
* of text in the document, and not selection inside <input> and <textarea>
|
|
* elements.
|
|
*
|
|
* See: https://developer.mozilla.org/en-US/docs/Web/API/Window/getSelection#Related_objects.
|
|
*
|
|
* @return {boolean} True if there is selection, false if not.
|
|
*/
|
|
|
|
function documentHasTextSelection() {
|
|
var selection = window.getSelection();
|
|
var range = selection.rangeCount ? selection.getRangeAt(0) : null;
|
|
return range && !range.collapsed;
|
|
}
|
|
/**
|
|
* Check whether the given element, assumed an input field or textarea,
|
|
* contains a (uncollapsed) selection of text.
|
|
*
|
|
* Note: this is perhaps an abuse of the term "selection", since these elements
|
|
* manage selection differently and aren't covered by Selection#collapsed.
|
|
*
|
|
* See: https://developer.mozilla.org/en-US/docs/Web/API/Window/getSelection#Related_objects.
|
|
*
|
|
* @param {HTMLElement} element The HTML element.
|
|
*
|
|
* @return {boolean} Whether the input/textareaa element has some "selection".
|
|
*/
|
|
|
|
function inputFieldHasUncollapsedSelection(element) {
|
|
if (!isTextField(element) && !isNumberInput(element)) {
|
|
return false;
|
|
}
|
|
|
|
try {
|
|
var selectionStart = element.selectionStart,
|
|
selectionEnd = element.selectionEnd;
|
|
return selectionStart !== null && selectionStart !== selectionEnd;
|
|
} 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 whether the current document has any sort of selection. This includes
|
|
* ranges of text across elements and any selection inside <input> and
|
|
* <textarea> elements.
|
|
*
|
|
* @return {boolean} Whether there is any sort of "selection" in the document.
|
|
*/
|
|
|
|
|
|
function documentHasUncollapsedSelection() {
|
|
return documentHasTextSelection() || inputFieldHasUncollapsedSelection(document.activeElement);
|
|
}
|
|
/**
|
|
* Check whether the current document has a selection. This checks for both
|
|
* focus in an input field and general text selection.
|
|
*
|
|
* @return {boolean} True if there is selection, false if not.
|
|
*/
|
|
|
|
function documentHasSelection() {
|
|
return isTextField(document.activeElement) || isNumberInput(document.activeElement) || documentHasTextSelection();
|
|
}
|
|
/**
|
|
* 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_this_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);
|
|
}
|
|
/**
|
|
* Removes any HTML tags from the provided string.
|
|
*
|
|
* @param {string} html The string containing html.
|
|
*
|
|
* @return {string} The text content with any html removed.
|
|
*/
|
|
|
|
function __unstableStripHTML(html) {
|
|
var document = new DOMParser().parseFromString(html, 'text/html');
|
|
return document.body.textContent || '';
|
|
}
|
|
|
|
// CONCATENATED MODULE: ./node_modules/@wordpress/dom/build-module/index.js
|
|
/**
|
|
* Internal dependencies
|
|
*/
|
|
|
|
|
|
/**
|
|
* Object grouping `focusable` and `tabbable` utils
|
|
* under the keys with the same name.
|
|
*/
|
|
|
|
var build_module_focus = {
|
|
focusable: focusable_namespaceObject,
|
|
tabbable: tabbable_namespaceObject
|
|
};
|
|
|
|
|
|
|
|
/***/ })
|
|
|
|
/******/ }); |