xiv

A full typed micro-service rpc system for Node.js.

Features

• Full typed with TypeScript
• High configurable, just like method, url, and headers forward
• Framework free, works with any framework, such as express, koa, etc.
• Support any encoding protocol, such as JSON(default), Protobuf, Msgpack, urlencoded, etc.
• Support different client with fetch, http2, websocket, etc.
• Support browser and Node.js.

Install

yarn add xiv

# or via npm
npm i xiv

Usage

Service definition

The following code declared a service EchoService which with name echo, and has one method echo:

import { XivModel } from './src/model';
import { XivService } from './src/types';
import { str } from './src/validate/string';
import { XivClient } from './src/client';

export class EchoInput extends XivModel {
  @str() message: string;
}

export class EchoOutput extends XivModel {
  @str() message: string;
}

export const EchoService = XivService('echo', {
  echo: [EchoInput, EchoOutput],
});

export type EchoService = XivService<typeof EchoService>;

export const EchoClient = XivClient(EchoService);

Service Implementation

The following class EchoServiceImpl implemented EchoService:

import { XivServiceImpl, XivServiceApi } from './src/types';

export class EchoServiceImpl implements XivServiceImpl<EchoService> {
  service = EchoService;

  echo: XivServiceApi<EchoService, 'echo'> = async (input, req) => {
    const output = EchoOutput.c();
    output.message = input.message + '';
    return output;
  };
}

Mount service to express application

The following code mounted the EchoServiceImpl to express application app:

import e from 'express';
import { applyExpressService } from './src/apply/express';

const app = e();

// you should use json parser for xiv use json as default encoding
app.use(e.json());

applyExpressService(app, [new EchoServiceImpl()], { prefix: '/api/' });

app.listen(3000);

Client usage

Before call the service, you should configure its address:

import { XivClient } from './src/client';

// config for EchoClient only
EchoClient.config({
  address: 'http://localhost:3000/api/{service}.{action}',
});

// or config for all the clients created by XivClient,
// this will not overwrite the client instance custom config
XivClient.config({
  address: 'http://localhost:3000/api/{service}.{action}',
});

And then, you can call the service very easy:

EchoClient.echo({ message: 'hello world!' }).then((r) => {
  console.log(r); // { message: 'hello world!' }
});

Advanced usage

Model validation

TODO

Complex model definition

TODO

Submodule definition

TODO

Invoke service implementation locally

TODO

Call options

TODO

Configure api schema

TODO

With koa

TODO

With WebSocket(stmp)

TODO

Change encoding

TODO

LICENSE

MIT

The MIT License (MIT)

Copyright (c) 2016 acrazing

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.