Package Exports
- koa-tcomb-validation
This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (koa-tcomb-validation) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.
Readme
koa-tcomb-validation 
tcomb validation as koa middleware
Description
A koa middleware that checks body/query request matches with tcomb type, if not valid, return standard 400 http code, or can be intercepted via koa global error handling.
API
validate(type, [location])
type
Type: Function
a type defined with the tcomb library
location
Type: String
Default: body
request property to compare with type object, eg body/query
Usage
const Koa = require('koa')
const bodyParser = require('koa-bodyparser')
const validate = require('koa-tcomb-validation')
const Router = require('koa-router')
const app = new Koa()
const router = new Router()
const body = t.struct({
x: t.Number,
y: t.Number
})
// request body will be check
router.post('/', validate(body, 'body'), async (ctx, next) => {
ctx.status = 200
})
app.use(bodyParser())
// global middlewares
app.use(async (ctx, next) => {
// the parsed body will store in ctx.request.body
// if nothing was parsed, body will be an empty object {}
ctx.body = ctx.request.body
await next()
})
app.use(router.routes())
.use(router.allowedMethods())
app.listen(3000)