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CrastyCrap's avatar

Livewire reinitialize js

How can i re call js function when livewire component re render

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LaryAI's avatar
Level 58

To reinitialize JavaScript functions when a Livewire component re-renders, you can use Livewire's lifecycle hooks. Specifically, you can use the Livewire.hook method to listen for the message.processed event, which is triggered after Livewire updates the DOM.

Here's a step-by-step solution:

  1. Define your JavaScript function: This is the function you want to reinitialize after Livewire updates the DOM.

  2. Use Livewire hooks: Attach your JavaScript function to the message.processed event.

Here's an example:

<!-- Your Livewire component -->
<div>
    <!-- Your component's HTML -->
</div>

<script>
    // Define your JavaScript function
    function initializeMyJsFunction() {
        // Your JS code here
        console.log('JavaScript function reinitialized!');
    }

    // Attach the function to Livewire's message.processed hook
    document.addEventListener('livewire:load', function () {
        Livewire.hook('message.processed', (message, component) => {
            initializeMyJsFunction();
        });
    });

    // Optionally, call the function on initial page load
    document.addEventListener('DOMContentLoaded', function () {
        initializeMyJsFunction();
    });
</script>

Explanation:

  1. JavaScript Function: The initializeMyJsFunction is defined to contain the JavaScript code you want to reinitialize.

  2. Livewire Hook: The Livewire.hook('message.processed', ...) is used to call initializeMyJsFunction every time Livewire processes a message and updates the DOM.

  3. Initial Load: The DOMContentLoaded event ensures that the JavaScript function is also called when the page initially loads.

By using this approach, you ensure that your JavaScript function is reinitialized every time the Livewire component re-renders, keeping your JavaScript and Livewire components in sync.

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