Implement Autocomplete component with options and navigation

src/components/Autocomplete.js

@@ -0,0 +1,95 @@
+import { $, $html, $for } from "sigpro";
+import { val } from "../core/utils.js";
+import { tt } from "../core/i18n.js";
+import { Input } from "./Input.js"; // Importamos el componente hermano
+
+/** AUTOCOMPLETE */
+export const Autocomplete = (props) => {
+  const { options = [], value, onSelect, label, placeholder, ...rest } = props;
+
+  const query = $(val(value) || "");
+  const isOpen = $(false);
+  const cursor = $(-1);
+
+  const list = $(() => {
+    const q = query().toLowerCase();
+    const data = val(options) || [];
+    return q 
+      ? data.filter((o) => (typeof o === "string" ? o : o.label).toLowerCase().includes(q)) 
+      : data;
+  });
+
+  const pick = (opt) => {
+    const valStr = typeof opt === "string" ? opt : opt.value;
+    const labelStr = typeof opt === "string" ? opt : opt.label;
+
+    query(labelStr);
+    if (typeof value === "function") value(valStr);
+    onSelect?.(opt);
+
+    isOpen(false);
+    cursor(-1);
+  };
+
+  const nav = (e) => {
+    const items = list();
+    if (e.key === "ArrowDown") {
+      e.preventDefault();
+      isOpen(true);
+      cursor(Math.min(cursor() + 1, items.length - 1));
+    } else if (e.key === "ArrowUp") {
+      e.preventDefault();
+      cursor(Math.max(cursor() - 1, 0));
+    } else if (e.key === "Enter" && cursor() >= 0) {
+      e.preventDefault();
+      pick(items[cursor()]);
+    } else if (e.key === "Escape") {
+      isOpen(false);
+    }
+  };
+
+  return $html("div", { class: "relative w-full" }, [
+    Input({
+      label,
+      placeholder: placeholder || tt("search")(),
+      value: query,
+      onfocus: () => isOpen(true),
+      onblur: () => setTimeout(() => isOpen(false), 150),
+      onkeydown: nav,
+      oninput: (e) => {
+        const v = e.target.value;
+        query(v);
+        if (typeof value === "function") value(v);
+        isOpen(true);
+        cursor(-1);
+      },
+      ...rest,
+    }),
+    $html(
+      "ul",
+      {
+        class: "absolute left-0 w-full menu bg-base-100 rounded-box mt-1 p-2 shadow-xl max-h-60 overflow-y-auto border border-base-300 z-50",
+        style: () => (isOpen() && list().length ? "display:block" : "display:none"),
+      },
+      [
+        $for(
+          list,
+          (opt, i) =>
+            $html("li", {}, [
+              $html(
+                "a",
+                {
+                  class: () => `block w-full ${cursor() === i ? "active bg-primary text-primary-content" : ""}`,
+                  onclick: () => pick(opt),
+                  onmouseenter: () => cursor(i),
+                },
+                typeof opt === "string" ? opt : opt.label,
+              ),
+            ]),
+          (opt, i) => (typeof opt === "string" ? opt : opt.value) + i,
+        ),
+        () => (list().length ? null : $html("li", { class: "p-2 text-center opacity-50" }, "No results")),
+      ],
+    ),
+  ]);
+};