fix(date): support string adapter

packages/vuetify-nuxt-module/src/types.ts

@@ -1,6 +1,6 @@
 import type { LocaleOptions, RtlOptions, VuetifyOptions } from 'vuetify'
 
-export type DateAdapter = 'vuetify' | 'date-fns' | 'moment' | 'luxon' | 'dayjs' | 'js-joda' | 'date-fns-jalali' | 'jalaali' | 'hijri' | 'custom'
+export type DateAdapter = 'vuetify' | 'string' | 'date-fns' | 'moment' | 'luxon' | 'dayjs' | 'js-joda' | 'date-fns-jalali' | 'jalaali' | 'hijri' | 'custom'
 
 /**
  * Date configuration.

packages/vuetify-nuxt-module/src/vite/vuetify-date-configuration-plugin.ts

@@ -32,6 +32,10 @@ export function dateConfiguration() {
 `
         }
 
+        if (ctx.dateAdapter === 'string' && !ctx.vuetifyGte('3.9.0')) {
+          throw new Error('[vuetify-nuxt-module] The "string" date adapter requires Vuetify 3.9.0 or newer.')
+        }
+
         const { adapter: _adapter, ...newDateOptions } = ctx.vuetifyOptions.date ?? {}
 
         let dateFnsLocale: string | undefined
@@ -71,6 +75,10 @@ export function dateConfiguration() {
       return `options.adapter = new Adapter({ locale: ${dateFnsLocale} })`
     }
 
+    if (ctx.dateAdapter === 'string') {
+      return 'options.adapter = StringDateAdapter'
+    }
+
     return 'options.adapter = Adapter'
   }
 
@@ -83,6 +91,10 @@ export function dateConfiguration() {
       return 'import { VuetifyDateAdapter } from \'vuetify/labs/date/adapters/vuetify\''
     }
 
+    if (ctx.dateAdapter === 'string') {
+      return 'import { StringDateAdapter } from \'vuetify/date/adapters/string\''
+    }
+
     const imports = [`import Adapter from '@date-io/${ctx.dateAdapter}'`]
     if (ctx.dateAdapter === 'date-fns') {
       imports.push(`import { ${dateFnsLocale} } from 'date-fns/locale'`)

packages/vuetify-nuxt-module/test/date-configuration-plugin.test.ts

@@ -53,3 +53,25 @@ describe('vuetifyDateConfigurationPlugin date-fns locale', () => {
     expect(ctx.logger.warn).toHaveBeenCalledExactlyOnceWith(expect.stringContaining('(unset)'))
   })
 })
+
+describe('vuetifyDateConfigurationPlugin string adapter', () => {
+  it('imports and configures Vuetify StringDateAdapter', async () => {
+    const ctx = makeCtx('en')
+    ctx.dateAdapter = 'string'
+    ctx.vuetifyOptions.date.adapter = 'string'
+
+    const code = await loadModule(ctx)
+
+    expect(code).toContain('import { StringDateAdapter } from \'vuetify/date/adapters/string\'')
+    expect(code).toContain('options.adapter = StringDateAdapter')
+  })
+
+  it('rejects Vuetify versions without StringDateAdapter', async () => {
+    const ctx = makeCtx('en')
+    ctx.dateAdapter = 'string'
+    ctx.vuetifyOptions.date.adapter = 'string'
+    ctx.vuetifyGte = (version: string) => version !== '3.9.0'
+
+    await expect(loadModule(ctx)).rejects.toThrow('requires Vuetify 3.9.0 or newer')
+  })
+})