router
Simple Router for Koa
Install
$ npm install @koex/router
Usage
// See more in test
import * as router from '@koex/router';
import * as Koa from 'koa';
const app = new Koa();
app.use(router.get('/', async (ctx) => {
ctx.body = 'home';
}));
app.use(router.get('/health', async (ctx) => {
ctx.status = 200;
ctx.body = 'ok';
}));
app.use(router.get('/product/:pid', async (ctx) => {
ctx.body = ctx.params.pid;
}));
// support middlewares for router
const md5 = crypto.createHash('md5').update('123').digest('hex');
const responseTime = async (ctx, next) => {
const start = Date.now();
await next();
ctx.set('X-Response-Time', Date.now() - start);
};
const requestId = async (ctx, next) => {
await next();
const id = md5(ctx.url + Date.now());
ctx.set('X-Request-Id', id);
};
const handler = async (ctx) => {
ctx.body = ctx.params.pid + ': ' + ctx.params.cid;
};
app.use(router.get('/product/:pid/:cid', responseTime, requestId, handler));
// fallback
app.use(async (ctx) => {
ctx.body = {
name: 'name',
value: 'value',
};
});
app.listen(8000, '0.0.0.0', () => {
console.log('koa server start at port: 8000');
});