add nova

nova/src/Fields/Email.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Laravel\Nova\Fields;
+
+use Illuminate\Support\Arr;
+use Laravel\Nova\Contracts\FilterableField;
+use Laravel\Nova\Fields\Filters\TextFilter;
+use Laravel\Nova\Http\Requests\NovaRequest;
+
+class Email extends Text implements FilterableField
+{
+    use FieldFilterable;
+    use SupportsDependentFields;
+
+    /**
+     * The field's component.
+     *
+     * @var string
+     */
+    public $component = 'email-field';
+
+    /**
+     * Create a new field.
+     *
+     * @param  string|null  $name
+     * @param  string|\Closure|callable|object|null  $attribute
+     * @param  (callable(mixed, mixed, ?string):(mixed))|null  $resolveCallback
+     * @return void
+     */
+    public function __construct($name = 'Email', $attribute = 'email', callable $resolveCallback = null)
+    {
+        parent::__construct($name, $attribute, $resolveCallback);
+    }
+
+    /**
+     * Make the field filter.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return \Laravel\Nova\Fields\Filters\Filter
+     */
+    protected function makeFilter(NovaRequest $request)
+    {
+        return tap(new TextFilter($this), function ($filter) {
+            $filter->component = 'email-field';
+        });
+    }
+
+    /**
+     * Prepare the field for JSON serialization.
+     *
+     * @return array
+     */
+    public function serializeForFilter()
+    {
+        return transform($this->jsonSerialize(), function ($field) {
+            return Arr::only($field, [
+                'uniqueKey',
+                'name',
+                'attribute',
+                'type',
+                'min',
+                'max',
+                'step',
+                'pattern',
+                'placeholder',
+                'extraAttributes',
+            ]);
+        });
+    }
+}