實作註冊、登入功能

lib/utils/password.ts

@@ -0,0 +1,23 @@
+import bcrypt from 'bcryptjs'
+
+const SALT_ROUNDS = 12
+
+// 雜湊密碼
+export async function hashPassword(password: string): Promise<string> {
+  return await bcrypt.hash(password, SALT_ROUNDS)
+}
+
+// 驗證密碼
+export async function verifyPassword(password: string, hashedPassword: string): Promise<boolean> {
+  return await bcrypt.compare(password, hashedPassword)
+}
+
+// 同步雜湊密碼（用於種子數據）
+export function hashPasswordSync(password: string): string {
+  return bcrypt.hashSync(password, SALT_ROUNDS)
+}
+
+// 同步驗證密碼
+export function verifyPasswordSync(password: string, hashedPassword: string): boolean {
+  return bcrypt.compareSync(password, hashedPassword)
+}