From c896691084bfc786dc1780ce36fd71e6f7ab9d60 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Fri, 27 Jun 2025 10:41:40 +0200
Subject: Migrate from react to svelte

---
 src/components/Counter.jsx        |  16 ---
 src/components/SimpleTest.tsx     |  32 ------
 src/components/TaskManager.svelte | 183 ++++++++++++++++++++++++++++++++++
 src/components/TaskManager.tsx    | 202 --------------------------------------
 4 files changed, 183 insertions(+), 250 deletions(-)
 delete mode 100644 src/components/Counter.jsx
 delete mode 100644 src/components/SimpleTest.tsx
 create mode 100644 src/components/TaskManager.svelte
 delete mode 100644 src/components/TaskManager.tsx

(limited to 'src/components')

diff --git a/src/components/Counter.jsx b/src/components/Counter.jsx
deleted file mode 100644
index 8661dc0..0000000
--- a/src/components/Counter.jsx
+++ /dev/null
@@ -1,16 +0,0 @@
-import { useState } from 'react';
-
-export default function Counter() {
-  const [count, setCount] = useState(0);
-
-  return (
-    <div className="flex justify-center">
-      <button 
-        className="px-4 py-2 bg-blue-500 text-white rounded-md hover:bg-blue-600 transition-colors"
-        onClick={() => setCount(count + 1)}
-      >
-        Clicked {count} times
-      </button>
-    </div>
-  );
-}
diff --git a/src/components/SimpleTest.tsx b/src/components/SimpleTest.tsx
deleted file mode 100644
index cfabeab..0000000
--- a/src/components/SimpleTest.tsx
+++ /dev/null
@@ -1,32 +0,0 @@
-import { useState } from 'react';
-
-export default function SimpleTest() {
-  const [count, setCount] = useState(0);
-
-  return (
-    <div className="max-w-2xl mx-auto p-6">
-      <h1 className="text-3xl font-bold mb-6">Simple Test Component</h1>
-      <div className="space-y-4">
-        <p>This is a simple React component to test if the infinite refresh is caused by the API calls.</p>
-        <div className="flex items-center space-x-4">
-          <button
-            onClick={() => setCount(count - 1)}
-            className="px-4 py-2 bg-red-500 text-white rounded hover:bg-red-600"
-          >
-            -
-          </button>
-          <span className="text-xl font-bold">{count}</span>
-          <button
-            onClick={() => setCount(count + 1)}
-            className="px-4 py-2 bg-blue-500 text-white rounded hover:bg-blue-600"
-          >
-            +
-          </button>
-        </div>
-        <p className="text-gray-600">
-          If this component works without refreshing, the issue is in the TaskManager API calls.
-        </p>
-      </div>
-    </div>
-  );
-}
\ No newline at end of file
diff --git a/src/components/TaskManager.svelte b/src/components/TaskManager.svelte
new file mode 100644
index 0000000..735a488
--- /dev/null
+++ b/src/components/TaskManager.svelte
@@ -0,0 +1,183 @@
+<script lang="ts">
+  import { onMount } from 'svelte';
+
+  interface Task {
+    id: number;
+    title: string;
+    description: string;
+    completed: boolean;
+    created_at?: string;
+    updated_at?: string;
+  }
+
+  let tasks: Task[] = [];
+  let newTask = { title: '', description: '' };
+  let loading = true;
+  let error: string | null = null;
+
+  async function fetchTasks() {
+    try {
+      error = null;
+      const response = await fetch('/api/tasks');
+      
+      if (!response.ok) {
+        throw new Error(`HTTP error! status: ${response.status}`);
+      }
+      
+      const data = await response.json();
+      console.log('Fetched tasks:', data);
+      tasks = Array.isArray(data) ? data : [];
+    } catch (err) {
+      console.error('Failed to fetch tasks:', err);
+      error = err instanceof Error ? err.message : 'Failed to fetch tasks';
+      tasks = [];
+    } finally {
+      loading = false;
+    }
+  }
+
+  onMount(() => {
+    fetchTasks();
+  });
+
+  async function createTask(e: Event) {
+    e.preventDefault();
+    if (!newTask.title.trim()) return;
+
+    try {
+      const response = await fetch('/api/tasks', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(newTask)
+      });
+      
+      if (response.ok) {
+        newTask = { title: '', description: '' };
+        fetchTasks();
+      }
+    } catch (err) {
+      console.error('Failed to create task:', err);
+    }
+  }
+
+  async function toggleTask(task: Task) {
+    try {
+      await fetch(`/api/tasks/${task.id}`, {
+        method: 'PUT',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ ...task, completed: !task.completed })
+      });
+      fetchTasks();
+    } catch (err) {
+      console.error('Failed to update task:', err);
+    }
+  }
+
+  async function deleteTask(id: number) {
+    try {
+      await fetch(`/api/tasks/${id}`, { method: 'DELETE' });
+      fetchTasks();
+    } catch (err) {
+      console.error('Failed to delete task:', err);
+    }
+  }
+</script>
+
+{#if loading}
+  <div class="max-w-2xl mx-auto p-6">
+    <h1 class="text-3xl font-bold mb-6">Task Manager</h1>
+    <div class="p-4 text-center">Loading tasks...</div>
+  </div>
+{:else if error}
+  <div class="max-w-2xl mx-auto p-6">
+    <h1 class="text-3xl font-bold mb-6">Task Manager</h1>
+    <div class="p-4 bg-red-50 border border-red-200 rounded-lg">
+      <p class="text-red-700">Error: {error}</p>
+      <button 
+        on:click={fetchTasks}
+        class="mt-2 px-4 py-2 bg-red-500 text-white rounded hover:bg-red-600"
+      >
+        Retry
+      </button>
+    </div>
+  </div>
+{:else}
+  <div class="max-w-2xl mx-auto p-6">
+    <h1 class="text-3xl font-bold mb-6">Task Manager</h1>
+    
+    <form on:submit={createTask} class="mb-8 space-y-4">
+      <div>
+        <input
+          type="text"
+          placeholder="Task title"
+          bind:value={newTask.title}
+          class="w-full p-3 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
+        />
+      </div>
+      <div>
+        <textarea
+          placeholder="Task description (optional)"
+          bind:value={newTask.description}
+          class="w-full p-3 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
+          rows="3"
+        />
+      </div>
+      <button
+        type="submit"
+        class="w-full bg-blue-500 text-white p-3 rounded-lg hover:bg-blue-600 transition-colors"
+      >
+        Add Task
+      </button>
+    </form>
+
+    <div class="space-y-4">
+      {#if tasks.length === 0}
+        <p class="text-gray-500 text-center">No tasks yet. Create your first task above!</p>
+      {:else}
+        {#each tasks as task (task.id)}
+          <div
+            class="p-4 border rounded-lg {task.completed ? 'bg-green-50 border-green-200' : 'bg-white border-gray-200'}"
+          >
+            <div class="flex items-start justify-between">
+              <div class="flex-1">
+                <h3
+                  class="font-semibold {task.completed ? 'line-through text-gray-500' : 'text-gray-900'}"
+                >
+                  {task.title}
+                </h3>
+                {#if task.description}
+                  <p
+                    class="mt-1 {task.completed ? 'line-through text-gray-400' : 'text-gray-600'}"
+                  >
+                    {task.description}
+                  </p>
+                {/if}
+                {#if task.created_at}
+                  <p class="text-xs text-gray-400 mt-2">
+                    Created: {new Date(task.created_at).toLocaleString()}
+                  </p>
+                {/if}
+              </div>
+              <div class="flex space-x-2 ml-4">
+                <button
+                  on:click={() => toggleTask(task)}
+                  class="px-3 py-1 rounded text-sm {task.completed
+                    ? 'bg-yellow-500 text-white hover:bg-yellow-600'
+                    : 'bg-green-500 text-white hover:bg-green-600'}"
+                >
+                  {task.completed ? 'Undo' : 'Complete'}
+                </button>
+                <button
+                  on:click={() => deleteTask(task.id)}
+                  class="px-3 py-1 bg-red-500 text-white rounded text-sm hover:bg-red-600"
+                >
+                  Delete
+                </button>
+              </div>
+            </div>
+          </div>
+        {/each}
+      {/if}
+    </div>
+  </div>
+{/if}
\ No newline at end of file
diff --git a/src/components/TaskManager.tsx b/src/components/TaskManager.tsx
deleted file mode 100644
index a10a5f9..0000000
--- a/src/components/TaskManager.tsx
+++ /dev/null
@@ -1,202 +0,0 @@
-import { useState, useEffect, useCallback } from 'react';
-
-interface Task {
-  id: number;
-  title: string;
-  description: string;
-  completed: boolean;
-  created_at?: string;
-  updated_at?: string;
-}
-
-export default function TaskManager() {
-  const [tasks, setTasks] = useState<Task[]>([]);
-  const [newTask, setNewTask] = useState({ title: '', description: '' });
-  const [loading, setLoading] = useState(true);
-  const [error, setError] = useState<string | null>(null);
-
-  const fetchTasks = useCallback(async () => {
-    try {
-      setError(null);
-      const response = await fetch('/api/tasks');
-      
-      if (!response.ok) {
-        throw new Error(`HTTP error! status: ${response.status}`);
-      }
-      
-      const data = await response.json();
-      console.log('Fetched tasks:', data);
-      setTasks(Array.isArray(data) ? data : []);
-    } catch (error) {
-      console.error('Failed to fetch tasks:', error);
-      setError(error instanceof Error ? error.message : 'Failed to fetch tasks');
-      setTasks([]);
-    } finally {
-      setLoading(false);
-    }
-  }, []);
-
-  useEffect(() => {
-    fetchTasks();
-  }, [fetchTasks]);
-
-  const createTask = async (e: React.FormEvent) => {
-    e.preventDefault();
-    if (!newTask.title.trim()) return;
-
-    try {
-      const response = await fetch('/api/tasks', {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify(newTask)
-      });
-      
-      if (response.ok) {
-        setNewTask({ title: '', description: '' });
-        fetchTasks();
-      }
-    } catch (error) {
-      console.error('Failed to create task:', error);
-    }
-  };
-
-  const toggleTask = async (task: Task) => {
-    try {
-      await fetch(`/api/tasks/${task.id}`, {
-        method: 'PUT',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ ...task, completed: !task.completed })
-      });
-      fetchTasks();
-    } catch (error) {
-      console.error('Failed to update task:', error);
-    }
-  };
-
-  const deleteTask = async (id: number) => {
-    try {
-      await fetch(`/api/tasks/${id}`, { method: 'DELETE' });
-      fetchTasks();
-    } catch (error) {
-      console.error('Failed to delete task:', error);
-    }
-  };
-
-  if (loading) {
-    return (
-      <div className="max-w-2xl mx-auto p-6">
-        <h1 className="text-3xl font-bold mb-6">Task Manager</h1>
-        <div className="p-4 text-center">Loading tasks...</div>
-      </div>
-    );
-  }
-
-  if (error) {
-    return (
-      <div className="max-w-2xl mx-auto p-6">
-        <h1 className="text-3xl font-bold mb-6">Task Manager</h1>
-        <div className="p-4 bg-red-50 border border-red-200 rounded-lg">
-          <p className="text-red-700">Error: {error}</p>
-          <button 
-            onClick={fetchTasks}
-            className="mt-2 px-4 py-2 bg-red-500 text-white rounded hover:bg-red-600"
-          >
-            Retry
-          </button>
-        </div>
-      </div>
-    );
-  }
-
-  return (
-    <div className="max-w-2xl mx-auto p-6">
-      <h1 className="text-3xl font-bold mb-6">Task Manager</h1>
-      
-      <form onSubmit={createTask} className="mb-8 space-y-4">
-        <div>
-          <input
-            type="text"
-            placeholder="Task title"
-            value={newTask.title}
-            onChange={(e) => setNewTask({ ...newTask, title: e.target.value })}
-            className="w-full p-3 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
-          />
-        </div>
-        <div>
-          <textarea
-            placeholder="Task description (optional)"
-            value={newTask.description}
-            onChange={(e) => setNewTask({ ...newTask, description: e.target.value })}
-            className="w-full p-3 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
-            rows={3}
-          />
-        </div>
-        <button
-          type="submit"
-          className="w-full bg-blue-500 text-white p-3 rounded-lg hover:bg-blue-600 transition-colors"
-        >
-          Add Task
-        </button>
-      </form>
-
-      <div className="space-y-4">
-        {tasks.length === 0 ? (
-          <p className="text-gray-500 text-center">No tasks yet. Create your first task above!</p>
-        ) : (
-          tasks.map((task) => (
-            <div
-              key={task.id}
-              className={`p-4 border rounded-lg ${
-                task.completed ? 'bg-green-50 border-green-200' : 'bg-white border-gray-200'
-              }`}
-            >
-              <div className="flex items-start justify-between">
-                <div className="flex-1">
-                  <h3
-                    className={`font-semibold ${
-                      task.completed ? 'line-through text-gray-500' : 'text-gray-900'
-                    }`}
-                  >
-                    {task.title}
-                  </h3>
-                  {task.description && (
-                    <p
-                      className={`mt-1 ${
-                        task.completed ? 'line-through text-gray-400' : 'text-gray-600'
-                      }`}
-                    >
-                      {task.description}
-                    </p>
-                  )}
-                  {task.created_at && (
-                    <p className="text-xs text-gray-400 mt-2">
-                      Created: {new Date(task.created_at).toLocaleString()}
-                    </p>
-                  )}
-                </div>
-                <div className="flex space-x-2 ml-4">
-                  <button
-                    onClick={() => toggleTask(task)}
-                    className={`px-3 py-1 rounded text-sm ${
-                      task.completed
-                        ? 'bg-yellow-500 text-white hover:bg-yellow-600'
-                        : 'bg-green-500 text-white hover:bg-green-600'
-                    }`}
-                  >
-                    {task.completed ? 'Undo' : 'Complete'}
-                  </button>
-                  <button
-                    onClick={() => deleteTask(task.id)}
-                    className="px-3 py-1 bg-red-500 text-white rounded text-sm hover:bg-red-600"
-                  >
-                    Delete
-                  </button>
-                </div>
-              </div>
-            </div>
-          ))
-        )}
-      </div>
-    </div>
-  );
-}
\ No newline at end of file
-- 
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