import * as nodehash from "nodehash";

// from stream
let readStream = fs.createReadStream("./somefile.txt")
nodehash.sha256FromStream(readStream)
    .then((resultString){
        console.log(resultString); // prints hash of the file
    });

// from file
nodehash.sha256FromFile("./somefile.txt")
    .then((resultString){
        console.log(resultString); // prints hash of the file
    });

// from string
nodehash.sha256FromString("some weird random string")
    .then((resultString){
        console.log(resultString); // prints hash of the file
    });

let hashString = nodehash.sha256FromStringSync("some weird random string");