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node_modules/element-plus/lib/utils/dom/aria.js

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+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+const FOCUSABLE_ELEMENT_SELECTORS = `a[href],button:not([disabled]),button:not([hidden]),:not([tabindex="-1"]),input:not([disabled]),input:not([type="hidden"]),select:not([disabled]),textarea:not([disabled])`;
+const isHTMLElement = (e) => {
+  if (typeof Element === "undefined")
+    return false;
+  return e instanceof Element;
+};
+const isVisible = (element) => {
+  const computed = getComputedStyle(element);
+  return computed.position === "fixed" ? false : element.offsetParent !== null;
+};
+const obtainAllFocusableElements = (element) => {
+  return Array.from(element.querySelectorAll(FOCUSABLE_ELEMENT_SELECTORS)).filter((item) => isFocusable(item) && isVisible(item));
+};
+const isFocusable = (element) => {
+  if (element.tabIndex > 0 || element.tabIndex === 0 && element.getAttribute("tabIndex") !== null) {
+    return true;
+  }
+  if (element.tabIndex < 0 || element.hasAttribute("disabled") || element.getAttribute("aria-disabled") === "true") {
+    return false;
+  }
+  switch (element.nodeName) {
+    case "A": {
+      return !!element.href && element.rel !== "ignore";
+    }
+    case "INPUT": {
+      return !(element.type === "hidden" || element.type === "file");
+    }
+    case "BUTTON":
+    case "SELECT":
+    case "TEXTAREA": {
+      return true;
+    }
+    default: {
+      return false;
+    }
+  }
+};
+const triggerEvent = function(elm, name, ...opts) {
+  let eventName;
+  if (name.includes("mouse") || name.includes("click")) {
+    eventName = "MouseEvents";
+  } else if (name.includes("key")) {
+    eventName = "KeyboardEvent";
+  } else {
+    eventName = "HTMLEvents";
+  }
+  const evt = document.createEvent(eventName);
+  evt.initEvent(name, ...opts);
+  elm.dispatchEvent(evt);
+  return elm;
+};
+const isLeaf = (el) => !el.getAttribute("aria-owns");
+const getSibling = (el, distance, elClass) => {
+  const { parentNode } = el;
+  if (!parentNode)
+    return null;
+  const siblings = parentNode.querySelectorAll(elClass);
+  const index = Array.prototype.indexOf.call(siblings, el);
+  return siblings[index + distance] || null;
+};
+const focusElement = (el, options) => {
+  if (!el || !el.focus)
+    return;
+  let cleanup = false;
+  if (isHTMLElement(el) && !isFocusable(el) && !el.getAttribute("tabindex")) {
+    el.setAttribute("tabindex", "-1");
+    cleanup = true;
+  }
+  el.focus(options);
+  if (isHTMLElement(el) && cleanup) {
+    el.removeAttribute("tabindex");
+  }
+};
+const focusNode = (el) => {
+  if (!el)
+    return;
+  focusElement(el);
+  !isLeaf(el) && el.click();
+};
+
+exports.focusElement = focusElement;
+exports.focusNode = focusNode;
+exports.getSibling = getSibling;
+exports.isFocusable = isFocusable;
+exports.isLeaf = isLeaf;
+exports.isVisible = isVisible;
+exports.obtainAllFocusableElements = obtainAllFocusableElements;
+exports.triggerEvent = triggerEvent;
+//# sourceMappingURL=aria.js.map