express-parameter-polution-preventer

this is an express parameter polution preventer

works array nested in an object query

install it

npm i express-parameter-polution-preventer

and then Just import it

CJS :

const EPPP = require("express-parameter-polution-preventer");

or

ES6 :

import EPPP from "express-parameter-polution-preventer";

then use it with

app.use(EPPP());

Options

you can attach an options in the middleware example :

app.use(EPPP(
    {
        join:false,
        whitelist: ["price"]
    }
))

or

app.use(EPPP(
    {
        join:["price"]
    }
))

Options Explanation

app.use(EPPP(
    {
        // Join The Array Parameter
        // Pass an boolean value or pass an Array to customize which parameter you want to join
        // if your join boolean value is false it will take the first element in Array Query value
        // !!! if the parameter name is not within your given array, your parameter will stay in array form BECAREFUL

        join:false,

        // White list just to skip some parameter if the properties name is within your given array
        whitelist: ["price"]
    }
))

and done, now your server is protected :) *probably

may not maintained for a long time Sorry