vue3-core/playground/src/todo-mvc.vue

97 lines
2.3 KiB
Vue

<script setup lang="ts">
import { computed } from 'vue/vapor'
import { useLocalStorage } from '@vueuse/core'
interface Task {
title: string
completed: boolean
}
const tasks = useLocalStorage<Task[]>('tasks', [])
const value = useLocalStorage('value', '')
const remaining = computed(() => {
return tasks.value.filter(task => !task.completed).length
})
function handleAdd() {
tasks.value.push({
title: value.value,
completed: false,
})
// TODO: clear input
value.value = ''
}
function handleComplete(index: number, evt: Event) {
tasks.value[index].completed = (evt.target as HTMLInputElement).checked
}
function handleClearComplete() {
tasks.value = tasks.value.filter(task => !task.completed)
}
function handleClearAll() {
tasks.value = []
}
</script>
<template>
<h1>todos</h1>
<ul>
<!-- TODO: v-for -->
<li v-show="tasks[0]" :class="{ del: tasks[0]?.completed }">
<input
type="checkbox"
:checked="tasks[0]?.completed"
@change="handleComplete(0, $event)"
/>
{{ tasks[0]?.title }}
</li>
<li v-show="tasks[1]" :class="{ del: tasks[1]?.completed }">
<input
type="checkbox"
:checked="tasks[1]?.completed"
@change="handleComplete(1, $event)"
/>
{{ tasks[1]?.title }}
</li>
<li v-show="tasks[2]" :class="{ del: tasks[2]?.completed }">
<input
type="checkbox"
:checked="tasks[2]?.completed"
@change="handleComplete(2, $event)"
/>
{{ tasks[2]?.title }}
</li>
<li v-show="tasks[3]" :class="{ del: tasks[3]?.completed }">
<input
type="checkbox"
:checked="tasks[3]?.completed"
@change="handleComplete(3, $event)"
/>
{{ tasks[3]?.title }}
</li>
</ul>
<p>
{{ remaining }} item{{ remaining !== 1 ? 's' : '' }} left /
{{ tasks.length }} item{{ tasks.length !== 1 ? 's' : '' }} in total
</p>
<div style="display: flex; gap: 8px">
<input
type="text"
v-model="value"
@keydown.enter="handleAdd"
placeholder="What need to be done?"
/>
<button @click="handleAdd">Add</button>
<button @click="handleClearComplete">Clear completed</button>
<button @click="handleClearAll">Clear all</button>
</div>
</template>
<style>
.del {
text-decoration: line-through;
}
</style>