first commit

resources/assets/vendor/js/dropdown-hover.js

@@ -0,0 +1,78 @@
+// Add onHover event for dropdowns
+
+(function($) {
+  if (!$ || !$.fn) return
+
+  const SELECTOR = '[data-toggle=dropdown][data-trigger=hover]'
+  const TIMEOUT = 150
+
+  function openDropdown($i) {
+    let t = $i.data('dd-timeout')
+
+    if (t) {
+      clearTimeout(t)
+      t = null
+      $i.data('dd-timeout', t)
+    }
+
+    if ($i.attr('aria-expanded') !== 'true') $i.dropdown('toggle')
+  }
+
+  function closeDropdown($i) {
+    let t = $i.data('dd-timeout')
+
+    if (t) clearTimeout(t)
+
+    t = setTimeout(() => {
+      let t2 = $i.data('dd-timeout')
+
+      if (t2) {
+        clearTimeout(t2)
+        t2 = null
+        $i.data('dd-timeout', t2)
+      }
+
+      if ($i.attr('aria-expanded') === 'true') $i.dropdown('toggle')
+    }, TIMEOUT)
+
+    $i.data('dd-timeout', t)
+  }
+
+  $(function() {
+    $('body')
+      .on('mouseenter', `${SELECTOR}, ${SELECTOR} ~ .dropdown-menu`, function() {
+        const $toggle = $(this).hasClass('dropdown-toggle') ? $(this) : $(this).prev('.dropdown-toggle')
+        const $dropdown = $(this).hasClass('dropdown-menu') ? $(this) : $(this).next('.dropdown-menu')
+
+        if (window.getComputedStyle($dropdown[0], null).getPropertyValue('position') === 'static') return
+
+        // Set hovered flag
+        if ($(this).is(SELECTOR)) {
+          $(this).data('hovered', true)
+        }
+
+        openDropdown(
+          $(this).hasClass('dropdown-toggle') ? $(this) : $(this).prev('.dropdown-toggle')
+        )
+      })
+      .on('mouseleave', `${SELECTOR}, ${SELECTOR} ~ .dropdown-menu`, function() {
+        const $toggle = $(this).hasClass('dropdown-toggle') ? $(this) : $(this).prev('.dropdown-toggle')
+        const $dropdown = $(this).hasClass('dropdown-menu') ? $(this) : $(this).next('.dropdown-menu')
+
+        if (window.getComputedStyle($dropdown[0], null).getPropertyValue('position') === 'static') return
+
+        // Remove hovered flag
+        if ($(this).is(SELECTOR)) {
+          $(this).data('hovered', false)
+        }
+
+        closeDropdown(
+          $(this).hasClass('dropdown-toggle') ? $(this) : $(this).prev('.dropdown-toggle')
+        )
+      })
+      .on('hide.bs.dropdown', function(e) {
+        if ($(this).find(SELECTOR).data('hovered')) e.preventDefault()
+      })
+  })
+
+})(window.jQuery)