refactor(web): migrate webapp email code fields

Move the email code request behind the native form submit boundary, add stable email field metadata, and verify Enter submits exactly once.

oxlint-suppressions.json

@@ -141,11 +141,6 @@
       "count": 1
     }
   },
-  "web/app/(shareLayout)/webapp-signin/components/mail-and-code-auth.tsx": {
-    "no-restricted-imports": {
-      "count": 1
-    }
-  },
   "web/app/(shareLayout)/webapp-signin/components/mail-and-password-auth.tsx": {
     "jsx_a11y/tabindex-no-positive": {
       "count": 3

web/app/(shareLayout)/webapp-signin/components/__tests__/mail-and-code-auth.spec.tsx

@@ -0,0 +1,58 @@
+import { render, screen, waitFor } from '@testing-library/react'
+import userEvent from '@testing-library/user-event'
+import MailAndCodeAuth from '../mail-and-code-auth'
+
+const pushMock = vi.fn()
+const replaceMock = vi.fn()
+const setCountdownLeftTimeMock = vi.fn()
+const sendWebAppEMailLoginCodeMock = vi.fn()
+const searchParams = new URLSearchParams({
+  redirect_url: encodeURIComponent('/chatbot/test-app'),
+})
+
+vi.mock('@/next/navigation', () => ({
+  useRouter: () => ({ push: pushMock, replace: replaceMock }),
+  useSearchParams: () => searchParams,
+}))
+
+vi.mock('@/context/i18n', () => ({
+  useLocale: () => 'en-US',
+}))
+
+vi.mock('@/app/components/signin/storage', () => ({
+  COUNT_DOWN_TIME_MS: 60_000,
+  useSetCountdownLeftTime: () => setCountdownLeftTimeMock,
+}))
+
+vi.mock('@/service/common', () => ({
+  sendWebAppEMailLoginCode: (...args: unknown[]) => sendWebAppEMailLoginCodeMock(...args),
+}))
+
+describe('MailAndCodeAuth', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    sendWebAppEMailLoginCodeMock.mockResolvedValue({ result: 'success', data: 'token-abc' })
+  })
+
+  it('submits from the email field through the native form', async () => {
+    const user = userEvent.setup()
+    render(<MailAndCodeAuth />)
+
+    const emailInput = screen.getByRole('textbox', { name: 'login.email' })
+    const submitButton = screen.getByRole('button', { name: 'login.signup.verifyMail' })
+
+    expect(emailInput).toHaveAttribute('name', 'email')
+    expect(emailInput).toHaveAttribute('autocomplete', 'email')
+    expect(emailInput).toHaveAttribute('spellcheck', 'false')
+    expect(submitButton).toHaveAttribute('type', 'submit')
+
+    await user.tab()
+    expect(emailInput).toHaveFocus()
+    await user.type(emailInput, 'user@example.com{Enter}')
+
+    await waitFor(() => {
+      expect(sendWebAppEMailLoginCodeMock).toHaveBeenCalledTimes(1)
+    })
+    expect(pushMock).toHaveBeenCalledWith(expect.stringContaining('/webapp-signin/check-code?'))
+  })
+})

web/app/(shareLayout)/webapp-signin/components/mail-and-code-auth.tsx

@@ -1,10 +1,10 @@
 import { Button } from '@langgenius/dify-ui/button'
+import { Field, FieldControl, FieldLabel } from '@langgenius/dify-ui/field'
+import { Form } from '@langgenius/dify-ui/form'
 import { toast } from '@langgenius/dify-ui/toast'
-import { noop } from 'es-toolkit/function'
 import { useEffect, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import { resolveWebAppLoginRedirect } from '@/app/(shareLayout)/webapp-signin/login-redirect'
-import Input from '@/app/components/base/input'
 import { COUNT_DOWN_TIME_MS, useSetCountdownLeftTime } from '@/app/components/signin/storage'
 import { emailRegex } from '@/config'
 import { useLocale } from '@/context/i18n'
@@ -64,33 +64,37 @@ export default function MailAndCodeAuth() {
   }
 
   return (
-    <form onSubmit={noop}>
-      <input type="text" className="hidden" />
-      <div className="mb-2">
-        <label htmlFor="email" className="my-2 system-md-semibold text-text-secondary">
+    <Form
+      onFormSubmit={() => {
+        void handleGetEMailVerificationCode()
+      }}
+    >
+      <Field name="email" className="mb-2 block">
+        <FieldLabel className="my-2 py-0 system-md-semibold! text-text-secondary">
           {t(($) => $.email, { ns: 'login' })}
-        </label>
+        </FieldLabel>
         <div className="mt-1">
-          <Input
-            id="email"
+          <FieldControl
             type="email"
+            autoComplete="email"
+            spellCheck={false}
             value={email}
             placeholder={t(($) => $.emailPlaceholder, { ns: 'login' }) as string}
-            onChange={(e) => setEmail(e.target.value)}
+            onValueChange={setEmail}
           />
         </div>
         <div className="mt-3">
           <Button
+            type="submit"
             loading={loading}
             disabled={loading || !email}
             variant="primary"
             className="w-full"
-            onClick={handleGetEMailVerificationCode}
           >
             {t(($) => $['signup.verifyMail'], { ns: 'login' })}
           </Button>
         </div>
-      </div>
-    </form>
+      </Field>
+    </Form>
   )
 }