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Laravel – Livewire dispatchTo and dispatchSelf throw "does not exist" errors

I’m trying to communicate between a parent and child component from parent -> child using Livewire 3. The ultimate goal is, once an action finishes on the parent component, I want it to trigger the child component to refresh.

I’ve tried a couple of things, but I’ve come across something strange. I’m using Livewire v3.4.6 and I’ve tried using $this->dispatchSelf() within the child component, and $this->dispatchTo() in the parent component, and both of them throw Method AppHttpLivewireComponent::dispatchTo/dispatchSelf does not exist errors!

Does this not come packaged with Livewire? Do I need to import dispatchTo/dispatchSelf into the component using use? I assumed no considering dispatch() works fine??

The documentation suggests that it comes out of the box, so I’m really confused!

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2

Answers


  1. 0

    Looking at the documentation, $this->emitTo() used to be the correct usage, but it appears now to be $this->dispatch('event')->to('foo'), instead of $this->dispatchTo('event' ...).

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  2. 0

    Livewire 3 has to() and self() methods to chain to dispatch():

    $this->dispatch('my-event')->to(AComponent::class);

$this->dispatch('another-event')->self();

    on the js side the methods becomes dispatchTo and dispatchSelf

    $wire.dispatchTo("component-name", "my-event");

$wire.dispatchSelf("another-event");

    The magic methods $dispatchTo and $dispatchSelf are also available:

    <button wire:click="$dispatchTo('component-name', 'my-event')">
   Dispatch To
</button>

<button wire:click="$dispatchSelf('another-event')">
   Dispatch Self
</button>
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