From f880840f73b69dc07d08f0a246e5bd887cc46a12 Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Wed, 14 May 2025 01:32:56 -0700
Subject: feat(CommandPalette): Global toggle fading

---
 src/lib/CommandPalette/CommandPalette.svelte | 96 ++++++++++++++++++++++++----
 1 file changed, 84 insertions(+), 12 deletions(-)

diff --git a/src/lib/CommandPalette/CommandPalette.svelte b/src/lib/CommandPalette/CommandPalette.svelte
index 02616ba9..56542270 100644
--- a/src/lib/CommandPalette/CommandPalette.svelte
+++ b/src/lib/CommandPalette/CommandPalette.svelte
@@ -15,6 +15,8 @@
   let filtered: CommandPaletteItem[] = [];
   let selectedIndex = -1;
   let inputRef: HTMLInputElement;
+  let isVisible = false;
+  let timeoutID: ReturnType<typeof setTimeout> | null = null;
 
   $: filtered = items
     .filter((item) => item.name.toLowerCase().includes(search.toLowerCase()))
@@ -23,6 +25,23 @@
   $: if (selectedIndex >= filtered.length) selectedIndex = filtered.length - 1;
   $: if (selectedIndex < 0 && filtered.length > 0) selectedIndex = 0;
 
+  $: if (open && !isVisible) {
+    isVisible = true;
+
+    if (timeoutID !== null) {
+      clearTimeout(timeoutID);
+
+      timeoutID = null;
+    }
+  } else if (!open && isVisible) {
+    if (timeoutID === null) {
+      timeoutID = setTimeout(() => {
+        isVisible = false;
+        timeoutID = null;
+      }, 200);
+    }
+  }
+
   const executeItem = (item: CommandPaletteItem) => {
     if (item.onClick) item.onClick();
     if (!item.preventDefault) window.location.href = item.url;
@@ -53,17 +72,18 @@
   onMount(() => {
     window.addEventListener('keydown', handleGlobalKey);
 
-    return () => window.removeEventListener('keydown', handleGlobalKey);
+    return () => {
+      window.removeEventListener('keydown', handleGlobalKey);
+
+      if (timeoutID !== null) clearTimeout(timeoutID);
+    };
   });
 
   const handleClickOutside = (event: MouseEvent) => {
     const target = event.target as HTMLElement;
 
-    if (target.classList.contains('command-palette-overlay')) {
-      open = false;
-    } else if (!target.closest('.dropdown')) {
+    if (target.classList.contains('command-palette-overlay') || !target.closest('.dropdown'))
       open = false;
-    }
   };
 
   const handleGlobalKey = (e: KeyboardEvent) => {
@@ -79,14 +99,13 @@
 
 <svelte:window on:click={handleClickOutside} />
 
-{#if open}
+{#if isVisible}
   <div
-    class="command-palette-overlay"
+    class="command-palette-overlay {open ? 'fade-in' : 'fade-out'}"
     on:click={() => (open = false)}
-    on:keydown={(e) => e.key === 'Escape' && (open = false)}
   />
 
-  <div class="dropdown">
+  <div class="dropdown {open ? 'fade-in' : 'fade-out'}">
     <div class="dropdown-content card card-small">
       <input
         bind:this={inputRef}
@@ -140,11 +159,19 @@
     background-color: rgba(0, 0, 0, 0.6);
     z-index: 100;
     backdrop-filter: blur(3px);
-    animation: fadeIn 0.15s ease-in-out;
     cursor: pointer;
+    opacity: 0;
   }
 
-  @keyframes fadeIn {
+  .command-palette-overlay.fade-in {
+    animation: overlayFadeIn 0.15s ease-in-out forwards;
+  }
+
+  .command-palette-overlay.fade-out {
+    animation: overlayFadeOut 0.2s ease-in-out forwards;
+  }
+
+  @keyframes overlayFadeIn {
     from {
       opacity: 0;
       backdrop-filter: blur(0px);
@@ -156,14 +183,59 @@
     }
   }
 
+  @keyframes overlayFadeOut {
+    from {
+      opacity: 1;
+      backdrop-filter: blur(3px);
+    }
+
+    to {
+      opacity: 0;
+      backdrop-filter: blur(0px);
+    }
+  }
+
   .dropdown {
     position: fixed;
     top: 15%;
     left: 50%;
-    transform: translateX(-50%);
     z-index: 101;
     width: min(600px, 90%);
     font-size: 1.05em;
+    opacity: 0;
+    transform: translateX(-50%) translateY(-10px);
+  }
+
+  .dropdown.fade-in {
+    animation: dropdownFadeIn 0.2s ease-in-out forwards;
+  }
+
+  .dropdown.fade-out {
+    animation: dropdownFadeOut 0.2s ease-in-out forwards;
+  }
+
+  @keyframes dropdownFadeIn {
+    from {
+      opacity: 0;
+      transform: translateX(-50%) translateY(-10px);
+    }
+
+    to {
+      opacity: 1;
+      transform: translateX(-50%) translateY(0);
+    }
+  }
+
+  @keyframes dropdownFadeOut {
+    from {
+      opacity: 1;
+      transform: translateX(-50%) translateY(0);
+    }
+
+    to {
+      opacity: 0;
+      transform: translateX(-50%) translateY(-10px);
+    }
   }
 
   .command-input {
-- 
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