Add list view toggle to event listing

Adds EventListRow component and a card/list toggle (persisted in ?view=
URL param) so users can switch between the grid card layout and a
compact single-row list layout.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 33 insertions, 2 deletions

diff --git a/app/routes/events._index.tsx b/app/routes/events._index.tsx
index 1917ace..174c81e 100644
--- a/app/routes/events._index.tsx
+++ b/app/routes/events._index.tsx
@@ -2,6 +2,7 @@ import { useLoaderData, useSearchParams, Link } from "react-router";
 import type { Route } from "./+types/events._index";
 import { queryEvents, getVenues } from "~/lib/db.server";
 import EventCard from "~/components/EventCard";
+import EventListRow from "~/components/EventListRow";
 import FilterBar from "~/components/FilterBar";
 
 function defaultWindow() {
@@ -34,7 +35,15 @@ export async function loader({ request }: Route.LoaderArgs) {
 
 export default function EventsIndex() {
   const { events, venues, page, hasMore, date_from, date_to } = useLoaderData<typeof loader>();
-  const [searchParams] = useSearchParams();
+  const [searchParams, setSearchParams] = useSearchParams();
+  const view = (searchParams.get("view") ?? "card") as "card" | "list";
+
+  function switchView(next: "card" | "list") {
+    const next_params = new URLSearchParams(searchParams);
+    next_params.set("view", next);
+    next_params.delete("page");
+    setSearchParams(next_params, { preventScrollReset: true });
+  }
 
   return (
     <div className="min-h-screen bg-gray-950 text-gray-100">
@@ -49,8 +58,24 @@ export default function EventsIndex() {
       </header>
 
       <main className="max-w-6xl mx-auto px-4 py-8">
-        <div className="mb-6">
+        <div className="mb-6 flex items-center justify-between">
           <h1 className="text-2xl font-bold">イベント一覧</h1>
+          <div className="flex rounded-lg overflow-hidden border border-gray-700 text-sm">
+            <button
+              onClick={() => switchView("card")}
+              className={`px-3 py-1.5 transition-colors ${view === "card" ? "bg-indigo-600 text-white" : "bg-gray-800 text-gray-400 hover:text-white"}`}
+              title="カード表示"
+            >
+              ▦
+            </button>
+            <button
+              onClick={() => switchView("list")}
+              className={`px-3 py-1.5 transition-colors ${view === "list" ? "bg-indigo-600 text-white" : "bg-gray-800 text-gray-400 hover:text-white"}`}
+              title="リスト表示"
+            >
+              ☰
+            </button>
+          </div>
         </div>
 
         <FilterBar venues={venues} defaultDateFrom={date_from} defaultDateTo={date_to} />
@@ -60,6 +85,12 @@ export default function EventsIndex() {
             <p className="text-lg">イベントが見つかりません</p>
             <p className="mt-2 text-sm">スクレイパーを実行してデータを取得してください: <code>npm run scrape</code></p>
           </div>
+        ) : view === "list" ? (
+          <div className="mt-6 flex flex-col gap-1.5">
+            {events.map((event) => (
+              <EventListRow key={event.id} event={event} />
+            ))}
+          </div>
         ) : (
           <div className="mt-6 grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
             {events.map((event) => (