Response handler middleware for koa.
$yarnaddkoa-response-handlerimportKoafrom'koa'importRouterfrom'koa-router'importresponseHandlerfrom'koa-response-handler'constapp=newKoa()constrouter=newRouter()app.use(responseHandler({contentType: 'application/json'})).use(router.routes()).use(router.allowedMethods())router.get('/:id',functionasync(ctx,next){letdata={id: 1,hello: 'world'}if(ctx.params.id!==data.id){ctx.response.notFound()return}ctx.response.ok(data)})MIT