element-plus/es/utils/dom/aria.mjs.map

A Component Library for Vue 3

{"version":3,"file":"aria.mjs","sources":["../../../../../packages/utils/dom/aria.ts"],"sourcesContent":["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])`\n\nconst isHTMLElement = (e: unknown): e is Element => {\n  if (typeof Element === 'undefined') return false\n  return e instanceof Element\n}\n\n/**\n * Determine if the testing element is visible on screen no matter if its on the viewport or not\n */\nexport const isVisible = (element: HTMLElement) => {\n  if (process.env.NODE_ENV === 'test') return true\n  const computed = getComputedStyle(element)\n  // element.offsetParent won't work on fix positioned\n  // WARNING: potential issue here, going to need some expert advices on this issue\n  return computed.position === 'fixed' ? false : element.offsetParent !== null\n}\n\nexport const obtainAllFocusableElements = (\n  element: HTMLElement\n): HTMLElement[] => {\n  return Array.from(\n    element.querySelectorAll<HTMLElement>(FOCUSABLE_ELEMENT_SELECTORS)\n  ).filter((item: HTMLElement) => isFocusable(item) && isVisible(item))\n}\n\n/**\n * @desc Determine if target element is focusable\n * @param element {HTMLElement}\n * @returns {Boolean} true if it is focusable\n */\nexport const isFocusable = (element: HTMLElement): boolean => {\n  if (\n    element.tabIndex > 0 ||\n    (element.tabIndex === 0 && element.getAttribute('tabIndex') !== null)\n  ) {\n    return true\n  }\n  if (\n    element.tabIndex < 0 ||\n    element.hasAttribute('disabled') ||\n    element.getAttribute('aria-disabled') === 'true'\n  ) {\n    return false\n  }\n\n  switch (element.nodeName) {\n    case 'A': {\n      // casting current element to Specific HTMLElement in order to be more type precise\n      return (\n        !!(element as HTMLAnchorElement).href &&\n        (element as HTMLAnchorElement).rel !== 'ignore'\n      )\n    }\n    case 'INPUT': {\n      return !(\n        (element as HTMLInputElement).type === 'hidden' ||\n        (element as HTMLInputElement).type === 'file'\n      )\n    }\n    case 'BUTTON':\n    case 'SELECT':\n    case 'TEXTAREA': {\n      return true\n    }\n    default: {\n      return false\n    }\n  }\n}\n\n/**\n * Trigger an event\n * mouseenter, mouseleave, mouseover, keyup, change, click, etc.\n * @param  {HTMLElement} elm\n * @param  {String} name\n * @param  {*} opts\n */\nexport const triggerEvent = function (\n  elm: HTMLElement,\n  name: string,\n  ...opts: Array<boolean>\n): HTMLElement {\n  let eventName: string\n\n  if (name.includes('mouse') || name.includes('click')) {\n    eventName = 'MouseEvents'\n  } else if (name.includes('key')) {\n    eventName = 'KeyboardEvent'\n  } else {\n    eventName = 'HTMLEvents'\n  }\n  const evt = document.createEvent(eventName)\n\n  evt.initEvent(name, ...opts)\n  elm.dispatchEvent(evt)\n  return elm\n}\n\nexport const isLeaf = (el: HTMLElement) => !el.getAttribute('aria-owns')\n\nexport const getSibling = (\n  el: HTMLElement,\n  distance: number,\n  elClass: string\n) => {\n  const { parentNode } = el\n  if (!parentNode) return null\n  const siblings = parentNode.querySelectorAll(elClass)\n  const index = Array.prototype.indexOf.call(siblings, el)\n  return siblings[index + distance] || null\n}\n\nexport const focusElement = (\n  el?: HTMLElement | { focus: () => void } | null,\n  options?: FocusOptions\n) => {\n  if (!el || !el.focus) return\n  let cleanup: boolean = false\n\n  if (isHTMLElement(el) && !isFocusable(el) && !el.getAttribute('tabindex')) {\n    el.setAttribute('tabindex', '-1')\n    cleanup = true\n  }\n\n  el.focus(options)\n\n  if (isHTMLElement(el) && cleanup) {\n    el.removeAttribute('tabindex')\n  }\n}\n\nexport const focusNode = (el: HTMLElement) => {\n  if (!el) return\n  focusElement(el)\n  !isLeaf(el) && 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