{"version":3,"file":"chunk-drawers-3394e513-esm.js","sources":["src/modules/drawers.ts"],"sourcesContent":["const trapFocus = (e: KeyboardEvent): void => {\n  const currentTarget = e.currentTarget;\n  if (!currentTarget || !(currentTarget instanceof HTMLElement)) {\n    return;\n  }\n\n  const focusable = currentTarget?.querySelectorAll<HTMLElement>(\n    'button, [href], input, select, textarea, [tabindex]:not([tabindex=\"-1\"])'\n  );\n\n  const isHidden = (el: HTMLElement) => {\n    const style = window.getComputedStyle(el);\n    return style.display === 'none';\n  };\n\n  const filteredFocusableElements = Array.from(focusable).filter((el) => !isHidden(el));\n\n  const firstFocusableElement = filteredFocusableElements[0];\n  const lastFocusableElement = filteredFocusableElements[filteredFocusableElements.length - 1];\n\n  if (e instanceof KeyboardEvent) {\n    if (e.key === 'Tab') {\n      if (e.shiftKey && e.target === firstFocusableElement) {\n        e.preventDefault();\n        lastFocusableElement?.focus();\n      } else if (!e.shiftKey && e.target === lastFocusableElement) {\n        e.preventDefault();\n        firstFocusableElement?.focus();\n      }\n    }\n  }\n};\n\nconst openDrawer = (trigger: Element | null): void => {\n  if (!trigger || !(trigger instanceof Element)) {\n    return;\n  }\n  const target = document.getElementById(<string>trigger.getAttribute('data-controls'));\n\n  const buttonClose = target?.querySelector('.drawer__close');\n  window._modalOpenedBy = trigger;\n\n  target?.classList.add('is-active');\n  document.documentElement.style.overflow = 'hidden';\n  setTimeout(function () {\n    target?.classList.add('is-visible');\n    if (buttonClose instanceof HTMLElement) {\n      buttonClose?.focus();\n    }\n  }, 50);\n\n  target?.addEventListener('keydown', trapFocus);\n};\n\nconst closeDrawer = (event: Element): void => {\n  const closestParent = event.closest('[data-drawer-target]');\n  closestParent?.classList.remove('is-visible');\n  document.documentElement.style.overflow = '';\n  setTimeout(function () {\n    closestParent?.classList.remove('is-active');\n  }, 350);\n\n  const openingButton = window._modalOpenedBy;\n\n  if (openingButton && (openingButton instanceof HTMLElement || openingButton instanceof SVGElement)) {\n    openingButton.focus();\n  }\n};\n\nconst handleDrawerKeyEvent = (event: Event | KeyboardEvent): void => {\n  if (event instanceof KeyboardEvent && event.target instanceof Element) {\n    if (event.key === 'Escape') {\n      document.querySelectorAll('[data-drawer-target].is-active').forEach(closeDrawer);\n    }\n\n    if (event.target.hasAttribute('data-drawer-trigger') && (event.key === 'Enter' || event.key === ' ')) {\n      event.preventDefault();\n      openDrawer(event.target);\n      return;\n    }\n  }\n};\n\nexport function initDrawers(): void {\n  document.addEventListener('keydown', handleDrawerKeyEvent);\n\n  document.addEventListener('click', (e) => {\n    if (!(e.target instanceof HTMLElement) && !(e.target instanceof Element)) {\n      return;\n    }\n\n    if (e.target.hasAttribute('data-drawer-trigger')) {\n      e.preventDefault();\n      openDrawer(e.target);\n      return;\n    }\n\n    if (e.target.hasAttribute('data-drawer-close')) {\n      e.preventDefault();\n      closeDrawer(e.target);\n      return;\n    }\n  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