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Add warning to prevent Alpine from being loaded twice on the same page #3565

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May 10, 2023
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Add warning to prevent Alpine from being loaded twice on the same page #3565

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6 changes: 6 additions & 0 deletions packages/alpinejs/src/lifecycle.js
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Expand Up @@ -4,7 +4,13 @@ import { dispatch } from './utils/dispatch'
import { walk } from "./utils/walk"
import { warn } from './utils/warn'

let started = false

export function start() {
if (started) warn('Alpine has already been initialized on this page. Calling Alpine.start() more than once can cause problems.')

started = true

if (! document.body) warn('Unable to initialize. Trying to load Alpine before `<body>` is available. Did you forget to add `defer` in Alpine\'s `<script>` tag?')

dispatch(document, 'alpine:init')
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