From 3ce6da65adf9d8c657893edb1ee1278a18da3e4e Mon Sep 17 00:00:00 2001
From: Martin Kagamino Lehoux <martin@lehoux.net>
Date: Tue, 28 Jul 2026 18:14:56 +0200
Subject: feat: keep keyboard open on mobile when adding items to list

---
 src/routes/+page.svelte | 99 ++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 82 insertions(+), 17 deletions(-)

(limited to 'src/routes/+page.svelte')

diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index 7a367c1..6d9d85f 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -1,45 +1,110 @@
 <script lang="ts">
+	import { deserialize } from '$app/forms';
+	import { goto } from '$app/navigation';
 	import { enhance } from '$app/forms';
 
 	let { data, form } = $props();
 	let name = $state('');
+	let inputRef: HTMLInputElement;
+	// eslint-disable-next-line svelte/prefer-writable-derived
+	let localItems = $state(data?.items ?? []);
+	let addError = $state('');
 
-	let listItems = $derived(data?.items ?? []);
+	// Sync local list with server data when it changes externally (toggle, navigation)
+	$effect(() => {
+		localItems = data?.items ?? [];
+	});
 
-	function groupByCategory(items: typeof listItems) {
-		const groups: Record<string, typeof listItems> = {};
+	function groupByCategory(items: typeof localItems) {
+		const groups: Record<string, typeof localItems> = {};
 		for (const item of items) {
 			const key = item.categoryName ?? 'Non catégorisé';
 			(groups[key] ??= []).push(item);
 		}
 		return Object.entries(groups);
 	}
+
+	async function handleAdd(redirectToEdit: boolean) {
+		if (!name.trim()) {
+			addError = 'Le nom est requis';
+			return;
+		}
+		addError = '';
+
+		const formData = new FormData();
+		formData.append('name', name);
+
+		const action = redirectToEdit ? '?/addAndEdit' : '?/add';
+		name = '';
+		inputRef.focus();
+
+		try {
+			const response = await fetch(action, {
+				method: 'POST',
+				headers: {
+					accept: 'application/json',
+					'x-sveltekit-action': 'true',
+				},
+				body: formData,
+			});
+
+			const result = deserialize(await response.text());
+
+			if (result.type === 'error') {
+				addError =
+					typeof result.error === 'string'
+						? result.error
+						: result.error?.message || 'Erreur';
+				return;
+			}
+
+			if (result.type === 'redirect') {
+				goto(result.location);
+				return;
+			}
+
+			if (result.type === 'success' && result.data?.items) {
+				localItems = result.data.items;
+			}
+		} catch (err) {
+			addError = 'Erreur réseau';
+			console.error(err);
+		}
+	}
 </script>
 
-<form class="add-bar" method="POST" action="?/add" use:enhance>
+<div class="add-bar">
 	<input
+		bind:this={inputRef}
 		class="form-input"
 		type="text"
-		name="name"
 		bind:value={name}
 		placeholder="Ajouter un article..."
 		autocomplete="off"
+		onkeydown={(e) => {
+			if (e.key === 'Enter') {
+				e.preventDefault();
+				handleAdd(false);
+			}
+		}}
 	/>
-	<button type="submit" aria-label="Ajouter">+</button>
-	<button type="submit" formaction="?/addAndEdit" aria-label="Modifier"
-		>→</button
+	<button type="button" aria-label="Ajouter" onclick={() => handleAdd(false)}
+		>+</button
+	>
+	<button type="button" aria-label="Modifier" onclick={() => handleAdd(true)}
+		>&rarr;</button
 	>
-</form>
+</div>
 
-{#if form?.error}
-	<p class="error">{form.error}</p>
+{#if addError || form?.error}
+	<p class="error">{addError || form?.error}</p>
 {/if}
 
-{#if listItems.length === 0}
+{#if localItems.length === 0}
 	<p class="empty">Rien à acheter</p>
 {:else}
 	<form method="POST" action="?/toggle" use:enhance>
-		{#each groupByCategory(listItems) as [cat, items] (cat)}
+		{#each groupByCategory(localItems) as [cat, items] (cat)}
 			<h3 class="category-name">{cat}</h3>
 			<ul class="item-list">
 				{#each items as item (item.id)}
@@ -107,25 +172,25 @@
 		transition: all 0.2s ease;
 	}
 
-	.add-bar button[type='submit']:not([formaction]) {
+	.add-bar button:nth-child(2) {
 		background: var(--accent);
 		color: var(--white);
 		box-shadow: 0 1px 2px var(--shadow);
 	}
 
-	.add-bar button[type='submit']:not([formaction]):hover {
+	.add-bar button:nth-child(2):hover {
 		background: var(--accent-hover);
 		transform: translateY(-1px);
 		box-shadow: 0 4px 8px var(--shadow-accent-lg);
 	}
 
-	.add-bar button[formaction] {
+	.add-bar button:nth-child(3) {
 		background: var(--surface);
 		color: var(--text-secondary);
 		border: 1.5px solid var(--border);
 	}
 
-	.add-bar button[formaction]:hover {
+	.add-bar button:nth-child(3):hover {
 		border-color: var(--accent);
 		color: var(--text);
 	}
-- 
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