JSFiddle - React, Tailwind, and code Playground

by Chetan Motamarri

TypeScript

import * as fs from "fs";
  
let blob;
fs.readFile('Input.txt', 'utf-8', (err, data) => { 
    if (err) throw err; 
  	blob = data;
    console.log(data); 
}) 

private _readDataBlob(blob: Blob): Promise<void> {

        return new Promise(function (resolve, reject) {

            let arrayBuffer;
            let fileReader = new FileReader();

            fileReader.onload = function (event: any) {
                arrayBuffer = fileReader.result;
                console.log(arrayBuffer);
                this._byteArray = new Uint8Array(arrayBuffer);
                resolve();
            }

            fileReader.onerror = (err) => {
                reject(err);
            }

            fileReader.readAsArrayBuffer(blob);
        });
    }