express-save-data

Express middleware to check "data saver" header on requests. This header is currently used in the Chrome, Opera, and Yandex browsers.

For more click here

Install

npm install -s express-save-data

Usage

Use it like any middleware for express:

const expressSaveData = require("express-save-data")

app.get("/", expressSaveData, function(req, res){
    if req.dataSaver{ //alternatively, you can use req.saveData
        //Save-data is ON
    }
    else{
        //Save-data is OFF
    }
})