alpinejs/src/directives/x-html.js

The rugged, minimal JavaScript framework

import { directive } from '../directives'
import { destroyTree, initTree } from '../lifecycle'
import { mutateDom } from '../mutation'

directive('html', (el, { expression }, { effect, evaluateLater }) => {
    let evaluate = evaluateLater(expression)

    effect(() => {
        evaluate(value => {
            mutateDom(() => {
                Array.from(el.children).forEach(child => destroyTree(child))
                el.innerHTML = value ?? ''

                el._x_ignoreSelf = true
                initTree(el)
                delete el._x_ignoreSelf
            })
        })
    }, { priority: 'structural' })
})