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Alpine Livewire Errors
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| <h1>List</h1> | |
| <ul | |
| x-data="{items: @entangle('items').defer, newItem:'', errors:{}}" | |
| @validation.window="errors = $event.detail"> | |
| <template x-for="(item, index) in items"> | |
| <li x-bind:class="errors['item.'+index'] ? 'text-danger' : ''"> | |
| <span x-text="item"></span> | |
| <i x-show="errors['item.'+index']" | |
| x-text="errors['item.'+index] ? errors['item.'+index].join(' ') : ''" | |
| > | |
| </i> | |
| </li> | |
| </template> | |
| </ul> | |
| <input type="text" x-model="newItem" placeholder="Enter something"> | |
| <button type="button" @click="items.push(newItem)">Append</button> | |
| <button type="button" @click="$wire.persistItems()">Persist</button> |
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| let alpineLoaded = false; | |
| let livewireLoaded = false; | |
| document.addEventListener('alpine:init', () => { | |
| alpineLoaded = true; | |
| setupLivewireErrorListener(); | |
| }); | |
| document.addEventListener('livewire:load', () => { | |
| livewireLoaded = true; | |
| setupLivewireErrorListener(); | |
| }); | |
| function setupLivewireErrorListener() { | |
| if (!alpineLoaded || !livewireLoaded) { | |
| return; | |
| } | |
| //Because errorBag is a global Alpine.reactive, it can be accessed inside alpine | |
| //via $watch(() => window.errorBag, val => errors = val.errors) | |
| window.errorBag = Alpine.reactive({errors:{}}); | |
| window.Livewire.hook("message.processed", (message, component) => { | |
| let errorEvent; | |
| if (Array.isArray(message.response.serverMemo.errors) && message.response.serverMemo.errors.length === 0) { | |
| window.errorBag.errors = {}; | |
| errorEvent = new CustomEvent('validation', {detail: {}}); | |
| } else { | |
| window.errorBag.errors = message.response.serverMemo.errors | |
| errorEvent = new CustomEvent('validation', {detail: message.response.serverMemo.errors}); | |
| } | |
| //dispatch custom validation event so it can be listened for via @validation.window or via @validation on the root level node | |
| window.dispatchEvent(errorEvent); | |
| component.el.dispatchEvent(errorEvent); | |
| }); | |
| } |
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