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@omni-api/http

v0.0.2

Published

OmniAPI HTTP Adapter (Fastify) with built-in OpenAPI 3.1 generation

Readme

@omni/http

OmniAPI 的 HTTP Adapter(基于 Fastify),内置 OpenAPI 3.1 文档自动生成。

安装

pnpm add @omni/http @omni/core zod fastify

快速使用

import { Registry, defineProcedure } from '@omni/core';
import { createHttpAdapter } from '@omni/http';
import { z } from 'zod';

const registry = new Registry();
registry.register(
  defineProcedure({
    name: 'hello.world',
    description: 'say hello',
    input: z.object({ name: z.string() }),
    output: z.object({ greeting: z.string() }),
    handler: ({ input }) => ({ greeting: `Hello, ${input.name}!` }),
  }),
);

const adapter = createHttpAdapter({
  registry,
  port: 3000,
  openapi: { title: 'My API', version: '1.0.0' },
});
await adapter.listen();

启动后默认获得:

  • POST /hello/world 业务接口
  • GET /openapi.json OpenAPI 3.1 文档
  • GET /docs 内嵌 Swagger UI(CDN 模式,零额外依赖)
  • GET /_health 存活检查
  • GET /_ready 就绪检查

路由派生规则

  • meta.http.path 优先;否则按 name 派生:order.create/order/create
  • meta.http.method 优先;否则按 name 第二段动词推断(create/add → POST,get/list/query → GET,update/patch → PATCH,set/replace → PUT,delete/remove → DELETE,未知 → POST)
  • meta.http.expose === false 排除该路由

输入装配

合并优先级:path > body > query

  • GET / DELETE:query + path
  • 其他 method:body + path

错误映射

所有 OmniError 自动映射为 {code, message, details?} JSON + 对应状态码;RateLimitError.retryAfterMs 自动转为 Retry-After header。

API

  • createHttpAdapter(options){ server, listen, close, toOpenAPI }
  • buildOpenAPI(registry, opts?) → 直接拿 OpenAPI 文档对象
  • deriveRoute(procedure) → 路由派生
  • assembleInput(req) → 输入装配