15 - 切换器

[FakerM]

// 你的答案
<script setup lang='ts'>
import {ref} from "vue"
/**
 * Implement a composable function that toggles the state
 * Make the function work correctly
*/
function useToggle(open: boolean) {
  const stateRef = ref(open)
	const toggle = () => {
    	stateRef.value = !stateRef.value
  }
  return [stateRef, toggle]
}

const [state, toggle] = useToggle(false)

</script>

<template>
  <p>State: {{ state ? 'ON' : 'OFF' }}</p>
  <p @click="toggle">
    Toggle state
  </p>
</template>