Lifecycle hooks suna ba ka aiki lambar gida a matsanancin lokta cikin rayi na ɓangare — ayowa, shigar da jiya, sabuntawa, da cirewa. A cikin Composition API sune aiki ne da kake karanta a cikin setup.
Mahimman hooks a jiya
vue
<script setup>
import { onMounted, onUpdated, onUnmounted, ref } from "vue";
const data = ref(null);
onMounted(() => {
// component is now in the DOM — fetch data, access elements, init libraries
fetchData().then(d => (data.value = d));
});
onUpdated(() => {
// runs after the DOM re-renders due to a reactive change
});
onUnmounted(() => {
// component is being removed — CLEAN UP here
clearInterval(timer);
window.removeEventListener("resize", handler);
});
</script>