Show a plain form field's errors under its name

Fields read their errors only under the wire:model name, so a Fortify
login form (name="email", no wire:model) never showed "These
credentials do not match". Without wire:model they now read the name,
turning brackets into dots.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01V9NnLxnPp8vaaurb3Z1MFy

resources/boost/skills/livewire-material-development/SKILL.md

@@ -467,7 +467,7 @@ A one-column grid of fields with an `actions` slot at the foot (the slot takes i
 
 ### `<x-field>`, `<x-input>`, `<x-password>`, `<x-textarea>`, `<x-select>`, `<x-file>`
 
-M3 text fields. `variant`: `outlined` or `filled`; without it, `config('livewire-material.fields.variant')` (`outlined`). All take `label`, `hint`, `variant`, and read their errors from the bag under the `wire:model` name (the error replaces the hint, sets `aria-invalid`). `class` lands on the field's outer element (margins, widths); every other attribute (`wire:model`, `type`, `required`, `readonly`, `autocomplete`) reaches the control. Never pass `placeholder` expecting it to show while a label rests in the field: it shows once the field has focus.
+M3 text fields. `variant`: `outlined` or `filled`; without it, `config('livewire-material.fields.variant')` (`outlined`). All take `label`, `hint`, `variant`, and read their errors from the bag under the `wire:model` name, or the `name` in a plain form (`photos[]` → `photos`, `address[city]` → `address.city`); the error replaces the hint and sets `aria-invalid`. `class` lands on the field's outer element (margins, widths); every other attribute (`wire:model`, `type`, `required`, `readonly`, `autocomplete`) reaches the control. Never pass `placeholder` expecting it to show while a label rests in the field: it shows once the field has focus.
 
 - `<x-input>`: `icon`, `icon-right`, `prefix`, `suffix`, `clearable`, `copyable` (copies the value, confirms with a snackbar), `size` (`sm` 40px, `xs` 32px — for unlabelled toolbar controls; give them `aria-label`), `mono`.
 - `<x-password>`: a reveal button; `icon`, `size`.

resources/views/components/checkbox.blade.php

@@ -18,7 +18,9 @@
 @php
     $model = $attributes->whereStartsWith('wire:model')->first();
     $id = $attributes->get('id') ?? 'check-'.substr(md5($model.'|'.$label.'|'.$attributes->get('value')), 0, 12);
-    $messages = $model !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($model)) : [];
+    // A plain form's field is named, not bound: its errors are under its name (`files[]` → `files`, `a[b]` → `a.b`).
+    $errorKey = $model ?? (filled($attributes->get('name')) ? str_replace(['[]', '[', ']'], ['', '.', ''], (string) $attributes->get('name')) : null);
+    $messages = $errorKey !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($errorKey)) : [];
 @endphp
 
 <div {{ $attributes->only(['class', 'wire:key'])->class(['min-w-0']) }}>

resources/views/components/choices.blade.php

@@ -35,8 +35,10 @@
 
 @php
     $model = $attributes->wire('model')->value() ?: null;
-    $messages = $model !== null && isset($errors)
+    // A plain form's field is named, not bound: its errors are under its name (`files[]` → `files`, `a[b]` → `a.b`).
-        ? array_values(array_unique(\Illuminate\Support\Arr::flatten([$errors->get($model), $errors->get($model.'.*')])))
+    $errorKey = $model ?? (filled($attributes->get('name')) ? str_replace(['[]', '[', ']'], ['', '.', ''], (string) $attributes->get('name')) : null);
+    $messages = $errorKey !== null && isset($errors)
+        ? array_values(array_unique(\Illuminate\Support\Arr::flatten([$errors->get($errorKey), $errors->get($errorKey.'.*')])))
         : [];
     $choices = collect($options)->map(fn ($option): array => [
         'value' => data_get($option, $optionValue),

resources/views/components/datepicker.blade.php

@@ -57,8 +57,10 @@
     $mode = in_array($mode, ['docked', 'modal', 'input'], true) ? $mode : 'docked';
     $id = $attributes->get('id') ?? 'field-'.substr(md5($model.'|'.$label.'|datepicker'), 0, 12);
     $anchor = '--material-datepicker-'.preg_replace('/[^A-Za-z0-9_-]/', '-', $id);
-    $messages = $model !== null && isset($errors)
+    // A plain form's field is named, not bound: its errors are under its name (`files[]` → `files`, `a[b]` → `a.b`).
-        ? array_values(array_unique(\Illuminate\Support\Arr::flatten([$errors->get($model), $errors->get($model.'.*')])))
+    $errorKey = $model ?? (filled($attributes->get('name')) ? str_replace(['[]', '[', ']'], ['', '.', ''], (string) $attributes->get('name')) : null);
+    $messages = $errorKey !== null && isset($errors)
+        ? array_values(array_unique(\Illuminate\Support\Arr::flatten([$errors->get($errorKey), $errors->get($errorKey.'.*')])))
         : [];
     $locale = str_replace('_', '-', app()->getLocale());
 

resources/views/components/file.blade.php

@@ -21,8 +21,10 @@
 @php
     $model = $attributes->whereStartsWith('wire:model')->first();
     $id = $attributes->get('id') ?? 'field-'.substr(md5('file|'.$model.'|'.$label), 0, 12);
-    $messages = $model !== null && isset($errors)
+    // A plain form's field is named, not bound: its errors are under its name (`files[]` → `files`, `a[b]` → `a.b`).
-        ? array_values(array_unique(\Illuminate\Support\Arr::flatten([$errors->get($model), $errors->get($model.'.*')])))
+    $errorKey = $model ?? (filled($attributes->get('name')) ? str_replace(['[]', '[', ']'], ['', '.', ''], (string) $attributes->get('name')) : null);
+    $messages = $errorKey !== null && isset($errors)
+        ? array_values(array_unique(\Illuminate\Support\Arr::flatten([$errors->get($errorKey), $errors->get($errorKey.'.*')])))
         : [];
 @endphp
 

resources/views/components/group.blade.php

@@ -33,7 +33,9 @@
 @php
     $model = $attributes->whereStartsWith('wire:model')->first();
     $name ??= $model;
-    $messages = $model !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($model)) : [];
+    // A plain form's field is named, not bound: its errors are under its name (`files[]` → `files`, `a[b]` → `a.b`).
+    $errorKey = $model ?? (filled($attributes->get('name')) ? str_replace(['[]', '[', ']'], ['', '.', ''], (string) $attributes->get('name')) : null);
+    $messages = $errorKey !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($errorKey)) : [];
     $size = in_array($size, ['xs', 'sm', 'md', 'lg', 'xl'], true) ? $size : 'sm';
 
     $segment = [

resources/views/components/input.blade.php

@@ -30,7 +30,9 @@
     $model = $attributes->whereStartsWith('wire:model')->first();
     $placeholder = filled($attributes->get('placeholder')) ? $attributes->get('placeholder') : ' ';
     $id = $attributes->get('id') ?? 'field-'.substr(md5($model.'|'.$label.'|'.$placeholder), 0, 12);
-    $messages = $model !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($model)) : [];
+    // A plain form's field is named, not bound: its errors are under its name (`files[]` → `files`, `a[b]` → `a.b`).
+    $errorKey = $model ?? (filled($attributes->get('name')) ? str_replace(['[]', '[', ']'], ['', '.', ''], (string) $attributes->get('name')) : null);
+    $messages = $errorKey !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($errorKey)) : [];
 @endphp
 
 <x-livewire-material::field :$id :$label :$hint :hint-class="$hintClass" :$messages :$icon :$prefix :$suffix :$size :$variant :$mono :class="$attributes->get('class')" :data-readonly="$attributes->get('readonly') ? '' : null">

resources/views/components/password.blade.php

@@ -17,7 +17,9 @@
 @php
     $model = $attributes->whereStartsWith('wire:model')->first();
     $id = $attributes->get('id') ?? 'field-'.substr(md5($model.'|'.$label.'|password'), 0, 12);
-    $messages = $model !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($model)) : [];
+    // A plain form's field is named, not bound: its errors are under its name (`files[]` → `files`, `a[b]` → `a.b`).
+    $errorKey = $model ?? (filled($attributes->get('name')) ? str_replace(['[]', '[', ']'], ['', '.', ''], (string) $attributes->get('name')) : null);
+    $messages = $errorKey !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($errorKey)) : [];
 @endphp
 
 <x-livewire-material::field :$id :$label :$hint :hint-class="$hintClass" :$messages :$icon :$size :$variant :class="$attributes->get('class')" x-data="{ shown: false }">

resources/views/components/radio.blade.php

@@ -23,7 +23,9 @@
     $model = $attributes->whereStartsWith('wire:model')->first();
     $name = $attributes->get('name') ?? $model ?? 'radio-'.substr(md5($label.'|'.json_encode($options)), 0, 12);
     $id = 'radio-'.substr(md5($name.'|'.$label), 0, 12);
-    $messages = $model !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($model)) : [];
+    // A plain form's field is named, not bound: its errors are under its name (`files[]` → `files`, `a[b]` → `a.b`).
+    $errorKey = $model ?? (filled($attributes->get('name')) ? str_replace(['[]', '[', ']'], ['', '.', ''], (string) $attributes->get('name')) : null);
+    $messages = $errorKey !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($errorKey)) : [];
 @endphp
 
 <fieldset

resources/views/components/select.blade.php

@@ -29,7 +29,9 @@
 @php
     $model = $attributes->whereStartsWith('wire:model')->first();
     $id = $attributes->get('id') ?? 'field-'.substr(md5($model.'|'.$label.'|select'), 0, 12);
-    $messages = $model !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($model)) : [];
+    // A plain form's field is named, not bound: its errors are under its name (`files[]` → `files`, `a[b]` → `a.b`).
+    $errorKey = $model ?? (filled($attributes->get('name')) ? str_replace(['[]', '[', ']'], ['', '.', ''], (string) $attributes->get('name')) : null);
+    $messages = $errorKey !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($errorKey)) : [];
 @endphp
 
 <x-livewire-material::field :$id :$label :$hint :hint-class="$hintClass" :$messages :$icon :$size :$variant floated :class="$attributes->get('class')">

resources/views/components/textarea.blade.php

@@ -19,7 +19,9 @@
     $model = $attributes->whereStartsWith('wire:model')->first();
     $placeholder = filled($attributes->get('placeholder')) ? $attributes->get('placeholder') : ' ';
     $id = $attributes->get('id') ?? 'field-'.substr(md5($model.'|'.$label.'|textarea'), 0, 12);
-    $messages = $model !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($model)) : [];
+    // A plain form's field is named, not bound: its errors are under its name (`files[]` → `files`, `a[b]` → `a.b`).
+    $errorKey = $model ?? (filled($attributes->get('name')) ? str_replace(['[]', '[', ']'], ['', '.', ''], (string) $attributes->get('name')) : null);
+    $messages = $errorKey !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($errorKey)) : [];
 @endphp
 
 <x-livewire-material::field :$id :$label :$hint :hint-class="$hintClass" :$messages :$variant :class="$attributes->get('class')" :data-readonly="$attributes->get('readonly') ? '' : null">

resources/views/components/timepicker.blade.php

@@ -58,7 +58,9 @@
 
 @php
     $model = $attributes->wire('model')->value() ?: null;
-    $messages = $model !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($model)) : [];
+    // A plain form's field is named, not bound: its errors are under its name (`files[]` → `files`, `a[b]` → `a.b`).
+    $errorKey = $model ?? (filled($name) ? str_replace(['[]', '[', ']'], ['', '.', ''], (string) $name) : null);
+    $messages = $errorKey !== null && isset($errors) ? \Illuminate\Support\Arr::flatten($errors->get($errorKey)) : [];
     $id = $attributes->get('id') ?? 'timepicker-'.substr(md5($model.'|'.$label.'|'.$name.'|timepicker'), 0, 12);
 
     $cycle = in_array((string) $format, ['12', '24'], true) ? (int) $format : null;

tests/Feature/Components/PlainFormErrorsTest.php

@@ -0,0 +1,24 @@
+<?php
+
+it('shows the errors of a plain form field under its name', function (string $blade, string $key) {
+    $html = (string) $this->withViewErrors([$key => ['Something is wrong here.']])->blade($blade);
+
+    expect($html)
+        ->toContain('Something is wrong here.')
+        ->toContain('aria-invalid="true"');
+})->with([
+    'input' => ['<x-input name="email" label="Email" />', 'email'],
+    'password' => ['<x-password name="password" label="Password" />', 'password'],
+    'textarea' => ['<x-textarea name="message" label="Message" />', 'message'],
+    'select' => ['<x-select name="hours" label="Expires" :options="[[\'id\' => 1, \'name\' => \'1 hour\']]" />', 'hours'],
+    'checkbox' => ['<x-checkbox name="terms" label="Terms" />', 'terms'],
+    'radio' => ['<x-radio name="audience" :options="[[\'id\' => \'a\', \'name\' => \'A\']]" />', 'audience'],
+    'file with brackets' => ['<x-file name="photos[]" label="Photos" multiple />', 'photos'],
+    'nested name' => ['<x-input name="address[city]" label="City" />', 'address.city'],
+    'timepicker' => ['<x-timepicker name="starts_at" label="Starts at" />', 'starts_at'],
+]);
+
+it('keeps reading the wire:model name when both are there', function () {
+    expect((string) $this->withViewErrors(['form.email' => ['Taken.']])->blade('<x-input name="email" wire:model="form.email" label="Email" />'))
+        ->toContain('Taken.');
+});