DEV/DEV4.1/tp4/ex1/todo.riot

70 lines
1.6 KiB
Plaintext

<todo>
<h3>{ props.title }</h3>
<ul>
<li each={ item in state.items }>
<label class={ item.done ? 'completed' : null }>
<input
type="checkbox"
checked={ item.done }
onclick={ () => toggle(item) } />
{ item.title }
</label>
</li>
</ul>
<form onsubmit={ add }>
<input oninput={ edit } />
<button disabled={ !state.text }>
Addddd #{ state.items.length + 1 }
</button>
<button disabled={ this.state.items.some(item => !item.done) } onclick={ clear }>Clear done</button>
<ul class="filters">
<li> <a href="#">All</a></li>
<li> <a href="#">Active</a></li>
<li> <a href="#">Done</a></li>
</ul>
</form>
<script>
export default function todos(){
return {
onBeforeMount(props, state) {
// initial state
this.state = {
items: props.items,
text: ''
}
},
edit(e) {
// update only the text state
this.update({
text: e.target.value
})
},
clear(e) {
this.update({
items: this.state.items.filter(item => !item.done)
})
this.update()
},
add(e) {
e.preventDefault()
if (this.state.text) {
this.update({
items: [
...this.state.items,
// add a new item
{title: this.state.text}
],
text: ''
})
}
},
toggle(item) {
item.done = !item.done
// trigger a component update
this.update()
}
}
}
</script>
</todo>