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Count a text field's characters against its maximum

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M3 lists "supporting text + character counter" as a configuration of both
text-field variants; nothing in the package drew one (plan step 24, audit
docs/audits/m3-alignment/inputs.md § Missing). `counter` on `<x-input>` and
`<x-textarea>` now puts `n/max` at the end of the supporting-text row, counted
from the control on every input, in the error colour past the maximum, and said
as M3's own "Character count, 5/20" from a polite region once typing settles.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9
This commit is contained in:
Andreas Reinhold / reini
2026-09-14 06:21:22 +02:00
co-authored by Claude Fable 5.1
parent 71442831ff
commit c8c2d2e13e
7 changed files with 127 additions and 14 deletions
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resources/views/components/input.blade.php
+6 -2
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@@ -4,7 +4,8 @@
value, such as a currency or a unit), `variant`, `size` for unlabelled controls in toolbars,
and `mono` for a field that holds code. `clearable` adds a trailing button that empties the
field once it holds something; `copyable` one that copies its value and says so in a snackbar
(a share link, a token). Every other attribute reaches the `<input>`: `type`, `min`, `step`,
(a share link, a token). `counter` counts the characters used against `maxlength`, at the end of
the supporting-text row. Every other attribute reaches the `<input>`: `type`, `min`, `step`,
`readonly`, `wire:model` and the rest. Errors are read from the bag under the `wire:model` name.
The placeholder is a single space when none is given, because the label can only tell an
@@ -21,6 +22,7 @@
'suffix' => null,
'clearable' => false,
'copyable' => false,
'counter' => false,
'size' => 'md',
'variant' => null,
'mono' => false,
@@ -33,9 +35,11 @@
// 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)) : [];
// M3's counter needs a maximum to count against: without `maxlength` there is nothing to show.
$max = $counter ? $attributes->get('maxlength') : null;
@endphp
<x-livewire-material::field :$id :$label :$hint :hint-class="$hintClass" :$messages :$icon :$prefix :$suffix :$size :$variant :$mono :class="$attributes->get('class')" :data-readonly="$attributes->get('readonly') ? '' : null">
<x-livewire-material::field :$id :$label :$hint :hint-class="$hintClass" :$messages :$icon :$prefix :$suffix :$size :$variant :$mono :counter="$max" :class="$attributes->get('class')" :data-readonly="$attributes->get('readonly') ? '' : null">
<input
{{ $attributes->except(['class', 'id', 'placeholder'])->merge(['type' => 'text']) }}
id="{{ $id }}"