friends list UI

src/lib/bindings.ts

@@ -22,6 +22,11 @@ async deleteFriend(id: string) : Promise<boolean> {
 /** user-defined events **/
 
 
+export const events = __makeEvents__<{
+friendsChanged: FriendsChanged
+}>({
+friendsChanged: "friends-changed"
+})
 
 /** user-defined constants **/
 
@@ -30,6 +35,7 @@ async deleteFriend(id: string) : Promise<boolean> {
 /** user-defined types **/
 
 export type Friend = { id: string; displayName: string }
+export type FriendsChanged = { friends: Friend[] }
 
 /** tauri-specta globals **/
 

src/lib/components/friends-list.svelte

@@ -0,0 +1,87 @@
+<script lang="ts">
+  import { onMount } from "svelte";
+  import { commands, events, type Friend } from "$lib/bindings";
+
+  let friends: Friend[] = [];
+  let error = "";
+
+  onMount(() => {
+    const unlisten = events.friendsChanged.listen((event) => {
+      friends = event.payload.friends;
+    });
+
+    commands.listFriends().catch((err) => {
+      error = String(err);
+    });
+
+    return () => {
+      unlisten.then((stop) => stop());
+    };
+  });
+
+  async function createFriend(event: SubmitEvent) {
+    const form = event.currentTarget as HTMLFormElement;
+    const data = new FormData(form);
+
+    error = "";
+
+    try {
+      await commands.createFriend({
+        id: String(data.get("id") ?? ""),
+        displayName: String(data.get("displayName") ?? ""),
+      });
+      form.reset();
+    } catch (err) {
+      error = String(err);
+    }
+  }
+
+  async function deleteFriend(id: string) {
+    error = "";
+
+    try {
+      await commands.deleteFriend(id);
+    } catch (err) {
+      error = String(err);
+    }
+  }
+</script>
+
+<section>
+  <h1>Friends</h1>
+
+  <form onsubmit={createFriend}>
+    <p>
+      <label>
+        ID
+        <input name="id" required />
+      </label>
+    </p>
+
+    <p>
+      <label>
+        Display name
+        <input name="displayName" required />
+      </label>
+    </p>
+
+    <button type="submit">Create friend</button>
+  </form>
+
+  {#if error}
+    <p>{error}</p>
+  {/if}
+
+  {#if friends.length === 0}
+    <p>No friends saved.</p>
+  {:else}
+    <ul>
+      {#each friends as friend (friend.id)}
+        <li>
+          <span>{friend.displayName} ({friend.id})</span>
+          <button type="button" onclick={() => deleteFriend(friend.id)}>Delete</button>
+        </li>
+      {/each}
+    </ul>
+  {/if}
+</section>