Express.js v4+ params handler
This lib is replacement of express-params which is made for Express 2.5. Express v4+ deprecated number of features which are in use of that original library. This lib offers similar functionality but doesn't use deprecated methods of new Express.
npm i express-params-handler
varexpressParams=require('express-params-handler')varapp=express()app.param('id',expressParams(Number))app.param('date',expressParams(/^\d{4}-\d{2}-\d{2}$/))app.get('/by-id/:id',function(req,res,next){// req.params.id will be a number})app.get('/by-date/:date',function(req,res,next){// req.params.date will be a string with YYYY-MM-DD format})MIT