initial commit

src/components/admin/search/Search.svelte

@@ -0,0 +1,97 @@
+<script lang="ts">
+  // types
+  interface Props {
+    id?: string;
+    value?: string | null;
+    label?: string;
+    readonly?: boolean;
+    required?: boolean;
+    mustMatch?: boolean;
+
+    requestSuggestions: (query: string, limit: number) => Promise<string[]>;
+
+    onSubmit?: (value: string | null) => void;
+  }
+
+  // html bindings
+  let container: HTMLDivElement;
+
+  // inputs
+  let { id, value = $bindable(), label, readonly, required, mustMatch, requestSuggestions, onSubmit }: Props = $props();
+
+  // states
+  let inputValue = $state(value);
+  let suggestions = $state<string[]>([]);
+  let matched = $state(false);
+
+  // callbacks
+  async function onBodyMouseDown(e: MouseEvent) {
+    if (!container.contains(e.target as Node)) suggestions = [];
+  }
+
+  async function onSearchInput() {
+    if (readonly) return;
+
+    suggestions = await requestSuggestions(inputValue ?? '', 5);
+
+    let suggestion = suggestions.find((s) => s === inputValue);
+    if (suggestion != null) {
+      inputValue = value = suggestion;
+      matched = true;
+      onSubmit?.(value);
+    } else if (!mustMatch) {
+      value = inputValue;
+      matched = false;
+    } else {
+      value = null;
+      matched = false;
+      onSubmit?.(null);
+    }
+  }
+
+  function onSuggestionClick(suggestion: string) {
+    inputValue = value = suggestion;
+    suggestions = [];
+    onSubmit?.(value);
+  }
+</script>
+
+<svelte:body onmousedown={onBodyMouseDown} />
+
+<fieldset class="fieldset">
+  <legend class="fieldset-legend">
+    <span>
+      {label}
+      {#if required}
+        <span class="text-red-700">*</span>
+      {/if}
+    </span>
+  </legend>
+  <div class="relative" bind:this={container}>
+    <input
+      {id}
+      {readonly}
+      type="search"
+      autocomplete="off"
+      class="input"
+      bind:value={inputValue}
+      oninput={() => onSearchInput()}
+      onfocusin={() => onSearchInput()}
+      pattern={mustMatch && matched ? `^(${suggestions.join('|')})$` : undefined}
+    />
+    {#if suggestions.length > 0}
+      <ul class="absolute bg-base-200 w-full z-20 menu menu-sm rounded-box">
+        {#each suggestions as suggestion (suggestion)}
+          <li class="w-full text-left">
+            <button
+              class="block w-full overflow-hidden text-ellipsis whitespace-nowrap"
+              title={suggestion}
+              onclick={() => onSuggestionClick(suggestion)}>{suggestion}</button
+            >
+          </li>
+        {/each}
+      </ul>
+    {/if}
+  </div>
+  <p class="fieldset-label"></p>
+</fieldset>