feat: auth client setup

Author: productdevbook

playground/app.vue

@@ -0,0 +1,17 @@
+<script setup lang="ts">
+const { signIn } = useUserSession()
+
+async function _login() {
+  await signIn.username({
+    username: 'test',
+    password: 'test',
+
+  })
+}
+</script>
+
+<template>
+  <div>
+    Nuxt module playground!
+  </div>
+</template>

playground/app/app.vue

@@ -0,0 +1,9 @@
+import type { ClientOptions } from 'better-auth'
+import { usernameClient, adminClient } from 'better-auth/client/plugins'
+
+export default {
+  plugins: [
+    adminClient(),
+    usernameClient(),
+  ],
+} satisfies ClientOptions

playground/app/utils/auth.better-auth-client.ts

@@ -1,7 +1,9 @@
 export default defineNuxtConfig({
   modules: ['../src/module'],
   devtools: { enabled: true },
-
+  future: {
+    compatibilityVersion: 4,
+  },
   compatibilityDate: '2025-04-15',
 
   betterAuth: {

playground/nuxt.config.ts

@@ -1,8 +1,10 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
-export async function useUserSession({ options: _ }: any) {
+export async function useUserSession({ options }: any) {
   return [
-    'import { adminClient, usernameClient } from \'better-auth/client/plugins\'',
     'import { createAuthClient } from \'better-auth/vue\'',
+    ...options.configs.map((config: any) => {
+      return `import ${config.key} from "${config.path}"`
+    }),
     'import { defu } from \'defu\'',
     'import { computed, ref } from \'vue\'',
     'import { navigateTo, useRequestHeaders, useRequestURL, useRuntimeConfig, useState } from \'#app\'',
@@ -16,11 +18,20 @@ export async function useUserSession({ options: _ }: any) {
     '',
     '  const authClient = createAuthClient({',
     '    baseURL: url.origin,',
-    '    fetchOptions: { headers },',
-    '    plugins: [',
-    '      adminClient(),',
-    '      usernameClient(),',
-    '    ],',
+    '    fetchOptions: {',
+    ...options.configs.map((config: any) => {
+      return `    ...${config.key}?.fetchOptions || {},`
+    }),
+    '      headers,',
+    '    },',
+    ...options.configs.map((config: any) => {
+      return `    ${config.key},`
+    }),
+    '   plugins: [',
+    ...options.configs.map((config: any) => {
+      return `    ...${config.key}?.plugins || [],`
+    }),
+    ' ],',
     '  })',
     '',
     '  const options = defu(config.public.betterAuth.redirectOptions || {}, {',