koa-mapper

koa-mapper is a better and smart router middleware for koa.

Installation

npm install koa-mapper

Example

import Koa from 'koa';
import logger from 'koa-logger';
import Mapper from 'koa-mapper';

const app = new Koa();

app.use(logger());

const mapper = new Mapper();

mapper.get('/users/:id', {
  params: {
    id: { type: 'number' },
    info: { type: 'User', in: 'query' }
  }
}, (ctx) => {
  ctx.body = ctx.params;
});

mapper.define('User', {
  id: { type: 'number', required: true },
  name: { type: 'string', required: true }
});

app.use(mapper.routes());
app.use(mapper.allowedMethods());

app.listen(3000);

// open http://localhost:3000/users/123?info[id]=456&info[name]=hello
// open http://localhost:3000/openapi.json

License

MIT