refactor: 重构RPC合约与客户端类型体系

- 更新客户端类型引用，将APIClient替换为RouterClient以保持类型一致性。
- 删除旧的 RPC 合约定义文件，移除过时的类型和验证逻辑。
- 添加合约入口文件并导出待办事项合约
- 添加待办事项合约，定义列表、创建、更新和删除操作的输入输出验证规则。
- 更新 todo 处理程序以使用统一的合约导入并简化导入路径。
- 调整导出内容，仅导出客户端的orpc函数和类型模块。
- 使用合约类型替换原有路由客户端类型，并引入合约输入输出的类型推断。

src/orpc/client.ts

@@ -1,11 +1,11 @@
 import { createORPCClient } from '@orpc/client'
 import { RPCLink } from '@orpc/client/fetch'
-import { createRouterClient, type RouterClient } from '@orpc/server'
+import { createRouterClient } from '@orpc/server'
 import { createTanstackQueryUtils } from '@orpc/tanstack-query'
 import { createIsomorphicFn } from '@tanstack/react-start'
 import { getRequestHeaders } from '@tanstack/react-start/server'
 import { router } from './router'
-import type { APIClient } from './types'
+import type { RouterClient } from './types'
 
 const getORPCClient = createIsomorphicFn()
   .server(() =>
@@ -19,9 +19,9 @@ const getORPCClient = createIsomorphicFn()
     const link = new RPCLink({
       url: `${window.location.origin}/api/rpc`,
     })
-    return createORPCClient<APIClient>(link)
+    return createORPCClient<RouterClient>(link)
   })
 
-const client: APIClient = getORPCClient()
+const client: RouterClient = getORPCClient()
 
 export const orpc = createTanstackQueryUtils(client)

src/orpc/contract.ts

@@ -1,49 +0,0 @@
-import { oc } from '@orpc/contract'
-import { z } from 'zod'
-
-export const todoSchema = z.object({
-  id: z.uuid(),
-  title: z.string(),
-  completed: z.boolean(),
-  createdAt: z.date(),
-  updatedAt: z.date(),
-})
-
-export const todoInsertSchema = z.object({
-  title: z.string().min(1),
-  completed: z.boolean().optional(),
-})
-
-export const todoUpdateSchema = z.object({
-  title: z.string().min(1).optional(),
-  completed: z.boolean().optional(),
-})
-
-export const todoContract = {
-  list: oc.input(z.void()).output(z.array(todoSchema)),
-
-  create: oc.input(todoInsertSchema).output(todoSchema),
-
-  update: oc
-    .input(
-      z.object({
-        id: z.uuid(),
-        data: todoUpdateSchema,
-      }),
-    )
-    .output(todoSchema),
-
-  remove: oc
-    .input(
-      z.object({
-        id: z.uuid(),
-      }),
-    )
-    .output(z.void()),
-}
-
-export const contract = {
-  todo: todoContract,
-}
-
-export type Contract = typeof contract

src/orpc/contracts/index.ts

@@ -0,0 +1,5 @@
+import { todoContract } from './todo'
+
+export const contract = {
+  todo: todoContract,
+}

src/orpc/contracts/todo.ts

@@ -0,0 +1,45 @@
+import { oc } from '@orpc/contract'
+import {
+  createInsertSchema,
+  createSelectSchema,
+  createUpdateSchema,
+} from 'drizzle-zod'
+import { z } from 'zod'
+import { todoTable } from '@/db/schema'
+
+const selectSchema = createSelectSchema(todoTable).omit({
+  id: true,
+  createdAt: true,
+  updatedAt: true,
+})
+
+const insertSchema = createInsertSchema(todoTable).omit({
+  id: true,
+  createdAt: true,
+  updatedAt: true,
+})
+
+const updateSchema = createUpdateSchema(todoTable)
+
+export const todoContract = {
+  list: oc.input(z.void()).output(z.array(selectSchema)),
+
+  create: oc.input(insertSchema).output(selectSchema),
+
+  update: oc
+    .input(
+      z.object({
+        id: z.uuid(),
+        data: updateSchema,
+      }),
+    )
+    .output(selectSchema),
+
+  remove: oc
+    .input(
+      z.object({
+        id: z.uuid(),
+      }),
+    )
+    .output(z.void()),
+}

src/orpc/handlers/todo.ts

@@ -1,10 +1,10 @@
 import { implement, ORPCError } from '@orpc/server'
 import { eq } from 'drizzle-orm'
 import { todoTable } from '@/db/schema'
-import { todoContract } from '@/orpc/contract'
 import { dbProvider } from '@/orpc/middlewares'
+import { contract } from '../contracts'
 
-export const list = implement(todoContract.list)
+export const list = implement(contract.todo.list)
   .use(dbProvider)
   .handler(async ({ context }) => {
     const todos = await context.db.query.todoTable.findMany({
@@ -13,7 +13,7 @@ export const list = implement(todoContract.list)
     return todos
   })
 
-export const create = implement(todoContract.create)
+export const create = implement(contract.todo.create)
   .use(dbProvider)
   .handler(async ({ context, input }) => {
     const [newTodo] = await context.db
@@ -28,7 +28,7 @@ export const create = implement(todoContract.create)
     return newTodo
   })
 
-export const update = implement(todoContract.update)
+export const update = implement(contract.todo.update)
   .use(dbProvider)
   .handler(async ({ context, input }) => {
     const [updatedTodo] = await context.db
@@ -44,7 +44,7 @@ export const update = implement(todoContract.update)
     return updatedTodo
   })
 
-export const remove = implement(todoContract.remove)
+export const remove = implement(contract.todo.remove)
   .use(dbProvider)
   .handler(async ({ context, input }) => {
     await context.db.delete(todoTable).where(eq(todoTable.id, input.id))

src/orpc/index.ts

@@ -1,2 +1,2 @@
-export * from './client'
-export * from './contract'
+export { orpc } from './client'
+export * from './types'

src/orpc/types.ts

@@ -1,4 +1,11 @@
-import type { RouterClient } from '@orpc/server'
-import type { router } from './router'
+import type {
+  ContractRouterClient,
+  InferContractRouterInputs,
+  InferContractRouterOutputs,
+} from '@orpc/contract'
+import type { contract } from './contracts'
 
-export type APIClient = RouterClient<typeof router>
+export type Contract = typeof contract
+export type RouterClient = ContractRouterClient<Contract>
+export type RouterInputs = InferContractRouterInputs<Contract>
+export type RouterOutputs = InferContractRouterOutputs<Contract>