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@lorisleiva
Created November 15, 2021 08:39
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Auto-resize a textarea based on its content (Vue 3 composition API)
import { watchEffect } from "vue"
export const useAutoresizeTextarea = (element) => {
const resizeTextarea = () => {
element.value.style.height = 'auto'
element.value.style.height = element.value.scrollHeight + 'px'
}
watchEffect(onInvalidate => {
if (! element.value) return
resizeTextarea()
element.value.addEventListener('input', resizeTextarea)
onInvalidate(() => element.value?.removeEventListener('input', resizeTextarea))
})
}
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