mirror of
https://github.com/johndoe6345789/low-code-react-app-b.git
synced 2026-04-25 22:25:01 +00:00
Generated by Spark: Reduce reliance on spark database. Just use sqlite.
This commit is contained in:
GitHub
186
src/components/StorageExample.tsx
Normal file
186
src/components/StorageExample.tsx
Normal file
@@ -0,0 +1,186 @@
|
||||
import { useStorage } from '@/hooks/use-storage'
|
||||
import { useIndexedDB, useIndexedDBCollection } from '@/hooks/use-indexed-db'
|
||||
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
|
||||
import { Button } from '@/components/ui/button'
|
||||
import { Input } from '@/components/ui/input'
|
||||
import { Badge } from '@/components/ui/badge'
|
||||
import { useState } from 'react'
|
||||
import { Database } from '@phosphor-icons/react'
|
||||
|
||||
interface Todo {
|
||||
id: string
|
||||
text: string
|
||||
completed: boolean
|
||||
createdAt: number
|
||||
}
|
||||
|
||||
export function StorageExample() {
|
||||
const [newTodoText, setNewTodoText] = useState('')
|
||||
|
||||
const [todos, setTodos] = useStorage<Todo[]>('example-todos', [])
|
||||
const [counter, setCounter] = useStorage<number>('example-counter', 0)
|
||||
|
||||
const addTodo = () => {
|
||||
if (!newTodoText.trim()) return
|
||||
|
||||
setTodos((current) => [
|
||||
...current,
|
||||
{
|
||||
id: Date.now().toString(),
|
||||
text: newTodoText,
|
||||
completed: false,
|
||||
createdAt: Date.now(),
|
||||
},
|
||||
])
|
||||
setNewTodoText('')
|
||||
}
|
||||
|
||||
const toggleTodo = (id: string) => {
|
||||
setTodos((current) =>
|
||||
current.map((todo) =>
|
||||
todo.id === id ? { ...todo, completed: !todo.completed } : todo
|
||||
)
|
||||
)
|
||||
}
|
||||
|
||||
const deleteTodo = (id: string) => {
|
||||
setTodos((current) => current.filter((todo) => todo.id !== id))
|
||||
}
|
||||
|
||||
const incrementCounter = () => {
|
||||
setCounter((current) => current + 1)
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="space-y-6 p-6">
|
||||
<div>
|
||||
<h1 className="text-3xl font-bold mb-2 flex items-center gap-2">
|
||||
<Database size={32} />
|
||||
Storage Example
|
||||
</h1>
|
||||
<p className="text-muted-foreground">
|
||||
Demonstrates IndexedDB + Spark KV hybrid storage
|
||||
</p>
|
||||
</div>
|
||||
|
||||
<div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle>Simple Counter (useStorage)</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent className="space-y-4">
|
||||
<div className="flex items-center justify-center gap-4">
|
||||
<Badge variant="outline" className="text-4xl py-4 px-8">
|
||||
{counter}
|
||||
</Badge>
|
||||
</div>
|
||||
<Button onClick={incrementCounter} className="w-full" size="lg">
|
||||
Increment
|
||||
</Button>
|
||||
<p className="text-xs text-muted-foreground text-center">
|
||||
This counter persists across page refreshes using hybrid storage
|
||||
</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle>Todo List (useStorage)</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent className="space-y-4">
|
||||
<div className="flex gap-2">
|
||||
<Input
|
||||
value={newTodoText}
|
||||
onChange={(e) => setNewTodoText(e.target.value)}
|
||||
placeholder="Enter todo..."
|
||||
onKeyDown={(e) => e.key === 'Enter' && addTodo()}
|
||||
/>
|
||||
<Button onClick={addTodo}>Add</Button>
|
||||
</div>
|
||||
|
||||
<div className="space-y-2 max-h-64 overflow-y-auto">
|
||||
{todos.length === 0 ? (
|
||||
<p className="text-sm text-muted-foreground text-center py-4">
|
||||
No todos yet. Add one above!
|
||||
</p>
|
||||
) : (
|
||||
todos.map((todo) => (
|
||||
<div
|
||||
key={todo.id}
|
||||
className="flex items-center gap-2 p-2 rounded border"
|
||||
>
|
||||
<input
|
||||
type="checkbox"
|
||||
checked={todo.completed}
|
||||
onChange={() => toggleTodo(todo.id)}
|
||||
className="w-4 h-4"
|
||||
/>
|
||||
<span
|
||||
className={`flex-1 ${
|
||||
todo.completed ? 'line-through text-muted-foreground' : ''
|
||||
}`}
|
||||
>
|
||||
{todo.text}
|
||||
</span>
|
||||
<Button
|
||||
variant="ghost"
|
||||
size="sm"
|
||||
onClick={() => deleteTodo(todo.id)}
|
||||
>
|
||||
Delete
|
||||
</Button>
|
||||
</div>
|
||||
))
|
||||
)}
|
||||
</div>
|
||||
|
||||
<p className="text-xs text-muted-foreground">
|
||||
Todos are stored in IndexedDB with Spark KV fallback
|
||||
</p>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>
|
||||
|
||||
<Card>
|
||||
<CardHeader>
|
||||
<CardTitle>How It Works</CardTitle>
|
||||
</CardHeader>
|
||||
<CardContent className="space-y-4">
|
||||
<div className="grid grid-cols-1 md:grid-cols-3 gap-4">
|
||||
<div className="space-y-2">
|
||||
<h3 className="font-semibold">1. Primary: IndexedDB</h3>
|
||||
<p className="text-sm text-muted-foreground">
|
||||
Data is first saved to IndexedDB for fast, structured storage with indexes
|
||||
</p>
|
||||
</div>
|
||||
<div className="space-y-2">
|
||||
<h3 className="font-semibold">2. Fallback: Spark KV</h3>
|
||||
<p className="text-sm text-muted-foreground">
|
||||
If IndexedDB fails or is unavailable, Spark KV is used automatically
|
||||
</p>
|
||||
</div>
|
||||
<div className="space-y-2">
|
||||
<h3 className="font-semibold">3. Sync Both</h3>
|
||||
<p className="text-sm text-muted-foreground">
|
||||
Data is kept in sync between both storage systems for redundancy
|
||||
</p>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="bg-muted p-4 rounded-lg">
|
||||
<h4 className="font-semibold mb-2">Code Example:</h4>
|
||||
<pre className="text-xs overflow-x-auto">
|
||||
{`import { useStorage } from '@/hooks/use-storage'
|
||||
|
||||
// Replaces useKV from Spark
|
||||
const [todos, setTodos] = useStorage('todos', [])
|
||||
|
||||
// Use functional updates for safety
|
||||
setTodos((current) => [...current, newTodo])`}
|
||||
</pre>
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
Reference in New Issue
Block a user