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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/textarea.blade.php
+6 -2
View File
@@ -3,7 +3,8 @@
It starts at `rows` lines (3) and grows with what is typed up to `max-rows`, then scrolls;
`:autogrow="false"` keeps it at `rows` and lets it be resized by hand, vertically only, so a
form's column never moves. The label rests on the first line rather than in the middle of the
box. `label`, `hint`, `variant`; every other attribute reaches the `<textarea>`. --}}
box. `label`, `hint`, `variant`, and `counter` for M3's character counter against `maxlength`;
every other attribute reaches the `<textarea>`. --}}
@props([
'label' => null,
@@ -13,6 +14,7 @@
'rows' => 3,
'maxRows' => null,
'autogrow' => true,
'counter' => false,
])
@php
@@ -22,9 +24,11 @@
// 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 :$variant :class="$attributes->get('class')" :data-readonly="$attributes->get('readonly') ? '' : null">
<x-livewire-material::field :$id :$label :$hint :hint-class="$hintClass" :$messages :$variant :counter="$max" :class="$attributes->get('class')" :data-readonly="$attributes->get('readonly') ? '' : null">
<textarea
{{ $attributes->except(['class', 'id', 'placeholder']) }}
id="{{ $id }}"