Andrew Bruner andrewbruner

## indexedDB.js
const request = indexedDb.open(name: string, ?version: number);

request.onupgradeneeded = () => {
	const database = request.result;
	const store = database.createObjectStore(name: string, ?options: { ?keyPath: string, ?autoIncrement: boolean });
	const index = store.createIndex(indexName: string, keyPath: string, ?options: { ?unique: boolean, ?multiEntry: boolean });
	store.transaction.oncomplete = () => {

		const transaction = database.transaction(storeNames: string[] | string, ?mode: enum = 'readonly' | 'readwrite' );
		const store = transaction.objectStore(name: string);

## index.html
<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8" />
	<title></title>
	<meta name="viewport" content="width=device-width, initial-scale=1" />
	<meta name="description" content="" />
	<link rel="stylesheet" type="text/css" href="" />
	<link rel="icon" href="favicon.png">
</head>

## split.js
function split(input, char) {
	let arr = [ ];
	let prevIdx = 0;
	for (let i = 0; i < input.length; i++) {
		if (input[i] === char) {
			let item = '';
			for (let j = prevIdx; j < i; j++) {
				item += input[j];
			}
			arr = [ ...arr, item, ];

## isbn13.js
/**
 * Returns if ISBN-13 is valid
 *
 * @param {string} isbn
 * @returns {boolean}
 */

function isbn13IsValid(isbn) {
  // split isbn into an array
  let isbnArr = isbn.split('');

## isbn10.js
/**
 * Returns if ISBN-10 is valid
 *
 * @param {string} isbn
 * @returns {boolean}
 */

function isbn10IsValid(isbn) {
  // split isbn into an array
  let isbnArr = isbn.split('');

## blockchain.js
// Block Object
function Block(previousHash, data) {
  this.previousHash = previousHash;
  this.data = data;
  this.hash = SHA256(JSON.stringify(this));
}

// Blockchain Object
function Blockchain() {
	const request = indexedDb.open(name: string, ?version: number);

	request.onupgradeneeded = () => {
	const database = request.result;
	const store = database.createObjectStore(name: string, ?options: { ?keyPath: string, ?autoIncrement: boolean });
	const index = store.createIndex(indexName: string, keyPath: string, ?options: { ?unique: boolean, ?multiEntry: boolean });
	store.transaction.oncomplete = () => {

	const transaction = database.transaction(storeNames: string[] \| string, ?mode: enum = 'readonly' \| 'readwrite' );
	const store = transaction.objectStore(name: string);
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<title></title>
	<meta name="viewport" content="width=device-width, initial-scale=1" />
	<meta name="description" content="" />
	<link rel="stylesheet" type="text/css" href="" />
	<link rel="icon" href="favicon.png">
	</head>
	function split(input, char) {
	let arr = [ ];
	let prevIdx = 0;
	for (let i = 0; i < input.length; i++) {
	if (input[i] === char) {
	let item = '';
	for (let j = prevIdx; j < i; j++) {
	item += input[j];
	}
	arr = [ ...arr, item, ];
	/**
	* Returns if ISBN-13 is valid
	*
	* @param {string} isbn
	* @returns {boolean}
	*/

	function isbn13IsValid(isbn) {
	// split isbn into an array
	let isbnArr = isbn.split('');
	/**
	* Returns if ISBN-10 is valid
	*
	* @param {string} isbn
	* @returns {boolean}
	*/

	function isbn10IsValid(isbn) {
	// split isbn into an array
	let isbnArr = isbn.split('');
	// Block Object
	function Block(previousHash, data) {
	this.previousHash = previousHash;
	this.data = data;
	this.hash = SHA256(JSON.stringify(this));
	}

	// Blockchain Object
	function Blockchain() {