From da0d79f0db873c08fab3bc85023167e174d18b0e Mon Sep 17 00:00:00 2001
From: 苏向夜 <fu050409@163.com>
Date: Mon, 19 Jan 2026 14:17:32 +0800
Subject: chore(ui): refactor workspace to monorepo

---
 packages/ui/src/components/CustomSelect.svelte | 173 +++++++++++++++++++++++++
 1 file changed, 173 insertions(+)
 create mode 100644 packages/ui/src/components/CustomSelect.svelte

(limited to 'packages/ui/src/components/CustomSelect.svelte')

diff --git a/packages/ui/src/components/CustomSelect.svelte b/packages/ui/src/components/CustomSelect.svelte
new file mode 100644
index 0000000..0767471
--- /dev/null
+++ b/packages/ui/src/components/CustomSelect.svelte
@@ -0,0 +1,173 @@
+<script lang="ts">
+  import { ChevronDown, Check } from 'lucide-svelte';
+
+  interface Option {
+    value: string;
+    label: string;
+    disabled?: boolean;
+  }
+
+  interface Props {
+    options: Option[];
+    value: string;
+    placeholder?: string;
+    disabled?: boolean;
+    class?: string;
+    allowCustom?: boolean; // New prop to allow custom input
+    onchange?: (value: string) => void;
+  }
+
+  let { 
+    options, 
+    value = $bindable(), 
+    placeholder = "Select...", 
+    disabled = false,
+    class: className = "",
+    allowCustom = false,
+    onchange
+  }: Props = $props();
+
+  let isOpen = $state(false);
+  let containerRef: HTMLDivElement;
+  let customInput = $state(""); // State for custom input
+
+  let selectedOption = $derived(options.find(o => o.value === value));
+  // Display label: if option exists use its label, otherwise if custom is allowed use raw value, else placeholder
+  let displayLabel = $derived(selectedOption ? selectedOption.label : (allowCustom && value ? value : placeholder));
+
+  function toggle() {
+    if (!disabled) {
+      isOpen = !isOpen;
+      // When opening, if current value is custom (not in options), pre-fill input
+      if (isOpen && allowCustom && !selectedOption) {
+          customInput = value;
+      }
+    }
+  }
+
+  function select(option: Option) {
+    if (option.disabled) return;
+    value = option.value;
+    isOpen = false;
+    onchange?.(option.value);
+  }
+
+  function handleCustomSubmit() {
+      if (!customInput.trim()) return;
+      value = customInput.trim();
+      isOpen = false;
+      onchange?.(value);
+  }
+
+  function handleKeydown(e: KeyboardEvent) {
+    if (disabled) return;
+    
+    if (e.key === 'Enter' || e.key === ' ') {
+      e.preventDefault();
+      toggle();
+    } else if (e.key === 'Escape') {
+      isOpen = false;
+    } else if (e.key === 'ArrowDown' && isOpen) {
+      e.preventDefault();
+      const currentIndex = options.findIndex(o => o.value === value);
+      const nextIndex = Math.min(currentIndex + 1, options.length - 1);
+      if (!options[nextIndex].disabled) {
+        value = options[nextIndex].value;
+      }
+    } else if (e.key === 'ArrowUp' && isOpen) {
+      e.preventDefault();
+      const currentIndex = options.findIndex(o => o.value === value);
+      const prevIndex = Math.max(currentIndex - 1, 0);
+      if (!options[prevIndex].disabled) {
+        value = options[prevIndex].value;
+      }
+    }
+  }
+
+  function handleClickOutside(e: MouseEvent) {
+    if (containerRef && !containerRef.contains(e.target as Node)) {
+      isOpen = false;
+    }
+  }
+
+  $effect(() => {
+    if (isOpen) {
+      document.addEventListener('click', handleClickOutside);
+      return () => document.removeEventListener('click', handleClickOutside);
+    }
+  });
+</script>
+
+<div 
+  bind:this={containerRef}
+  class="relative {className}"
+>
+  <!-- Trigger Button -->
+  <button
+    type="button"
+    onclick={toggle}
+    onkeydown={handleKeydown}
+    {disabled}
+    class="w-full flex items-center justify-between gap-2 px-3 py-2 pr-8 text-left
+           bg-zinc-900 border border-zinc-700 rounded-md text-sm text-zinc-200
+           hover:border-zinc-600 focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500/30
+           transition-colors cursor-pointer outline-none
+           disabled:opacity-50 disabled:cursor-not-allowed disabled:hover:border-zinc-700"
+  >
+    <span class="truncate {(!selectedOption && !value) ? 'text-zinc-500' : ''}">
+      {displayLabel}
+    </span>
+    <ChevronDown 
+      size={14} 
+      class="absolute right-3 top-1/2 -translate-y-1/2 text-zinc-500 transition-transform duration-200 {isOpen ? 'rotate-180' : ''}" 
+    />
+  </button>
+
+  <!-- Dropdown Menu -->
+  {#if isOpen}
+    <div 
+      class="absolute z-50 w-full mt-1 py-1 bg-zinc-900 border border-zinc-700 rounded-md shadow-xl
+             max-h-60 overflow-y-auto animate-in fade-in slide-in-from-top-1 duration-150 flex flex-col"
+    >
+      {#if allowCustom}
+        <div class="px-2 py-2 border-b border-zinc-700/50 mb-1">
+            <div class="flex gap-2">
+                <input 
+                    type="text" 
+                    bind:value={customInput}
+                    placeholder="Custom value..."
+                    class="flex-1 bg-black/30 border border-zinc-700 rounded px-2 py-1 text-xs text-white focus:border-indigo-500 outline-none"
+                    onkeydown={(e) => e.key === 'Enter' && handleCustomSubmit()}
+                    onclick={(e) => e.stopPropagation()} 
+                />
+                <button 
+                    onclick={(e) => { e.stopPropagation(); handleCustomSubmit(); }}
+                    class="px-2 py-1 bg-indigo-600 hover:bg-indigo-500 text-white rounded text-xs transition-colors"
+                >
+                    Set
+                </button>
+            </div>
+        </div>
+      {/if}
+
+      {#each options as option}
+        <button
+          type="button"
+          onclick={() => select(option)}
+          disabled={option.disabled}
+          class="w-full flex items-center justify-between px-3 py-2 text-sm text-left
+                 transition-colors outline-none
+                 {option.value === value 
+                   ? 'bg-indigo-600 text-white' 
+                   : 'text-zinc-300 hover:bg-zinc-800'}
+                 {option.disabled ? 'opacity-40 cursor-not-allowed' : 'cursor-pointer'}"
+        >
+          <span class="truncate">{option.label}</span>
+          {#if option.value === value}
+            <Check size={14} class="shrink-0 ml-2" />
+          {/if}
+        </button>
+      {/each}
+    </div>
+  {/if}
+</div>
-- 
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