WAT

Add type safety to any route you have in your express.js

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Installation

npm install --save type-safety

Usage

const hasShape = require('type-safety')
const router = express.Router()

//.. later
router
    .post('/api/route', hasShape({
        text: String,
        sentiment: String
    }), routeHandler)
    .post('/api/route2', hasShape({
        text: String,
        lang: String
    }), route2Handler)

//.. where  routeHandler, and route2Handler are plain express routes

function routeHandler(req, res, next) {
    // its safe to use
    console.log(req.body.text)
}