広場投稿追加画面の刷新 (#399) (#413)

Reviewed-on: http://git.miteruzo.com/miteruzo/btrc-hub/pulls/413
Co-authored-by: miteruzo <miteruzo@naver.com>
Co-committed-by: miteruzo <miteruzo@naver.com>

frontend/src/components/posts/PostTextField.tsx

@@ -0,0 +1,52 @@
+import FieldWarning from '@/components/common/FieldWarning'
+import FormField from '@/components/common/FormField'
+import { inputClass } from '@/lib/utils'
+
+import type { FC, ReactNode } from 'react'
+
+type Props = {
+  label:        string
+  value:        string
+  onChange:     (value: string) => void
+  warnings?:    string[]
+  errors?:      string[]
+  disabled?:    boolean
+  type?:        string
+  placeholder?: string
+  className?:   string
+  after?:       ReactNode
+  onBlur?:      () => void }
+
+
+const PostTextField: FC<Props> = (
+    { label,
+      value,
+      onChange,
+      warnings,
+      errors,
+      disabled,
+      type = 'text',
+      placeholder,
+      className,
+      after,
+      onBlur },
+) => (
+    <FormField label={label} messages={errors}>
+      {({ describedBy, invalid }) => (
+          <>
+            <input
+                type={type}
+                value={value}
+                disabled={disabled}
+                placeholder={placeholder}
+                onBlur={onBlur}
+                onChange={ev => onChange (ev.target.value)}
+                aria-describedby={describedBy}
+                aria-invalid={invalid}
+                className={inputClass (invalid, className)}/>
+            <FieldWarning messages={warnings}/>
+            {after}
+          </>)}
+    </FormField>)
+
+export default PostTextField