sheetjs/sheetaki
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base: sheetjs:front-end
Branches Tags
sheetjs:master
sheetjs:dependabot/npm_and_yarn/xlsx-0.17.0
sheetjs:front-end
sheetjs:trial-by-fire
sheetjs:v1
..
compare: sheetjs:master
Branches Tags
sheetjs:dependabot/npm_and_yarn/xlsx-0.17.0
sheetjs:front-end
sheetjs:trial-by-fire
sheetjs:master
sheetjs:v1

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43 changed files with 115 additions and 40856 deletions
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1
.gitignore vendored
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.now
node_modules
build
# Environment Variables
.env

16
api/file/index.js
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const URL = require('url');
const do_wb = require('../../src/util');
fs = require('fs');
module.exports = function (req, res) {
res.setHeader('Access-Control-Allow-Origin', '*');
const url = URL.parse(req.url, true);
if (!url.query.filename) return res.status(400).send("Must specify filename");
if (url.query.filename){
fs.readFile(url.query.filename, (err, body) => {
if (err) return res.status(500).send(err.message || err);
do_wb(req, body, url, res);
});
}
};

44
api/save/index.js
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const URL = require('url'), fs = require('fs');
const do_wb = require('../../src/util');
const formidable = require('formidable-serverless');
const tmp = require('tmp');
module.exports = function (req, res) {
res.setHeader('Access-Control-Allow-Origin', '*');
const url = URL.parse(req.url, true);
/* parse form data */
const form = formidable({ multiples: true, maxFileSize: 2 * 1024 * 1024 });
/*create temp file*/
const newFile = () => {
const tmpobj = tmp.fileSync({postfix: '.xlsx'});
return tmpobj.name;
}
const writeFile = (fileName, file) => {
fs.writeFile(fileName, file, (err) => {
if (err) return res.status(500).send(err.message || err);
res.status(201).send(fileName);
});
}
form.parse(req, (err, fields, files) => {
if (err) return res.status(400).send(err.message || err);
if (!url.query) url.query = fields;
["N", "t"].forEach(k => { if (!url.query[k] && fields[k] != null) url.query[k] = fields[k]; });
/* look for first uploaded file entry */
if (!files) return res.status(400).send("Missing file");
const fentries = Object.entries(files);
if (fentries.length == 0) return res.status(400).send("Missing file");
/* read file */
const file = fentries[0][1];
fs.readFile(file.path, (err, body) => {
if (err) return res.status(500).send(err.message || err);
const tmpFile = newFile();
writeFile(tmpFile, body);
});
});
};

10
api/server.js
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@ -2,22 +2,16 @@ const express = require('express');
const app = express();
const data = require('./data/index');
const upload = require('./upload/index');
const save = require('./save/index');
const file = require('./file/index');
const bodyParser = require('body-parser');
const port = 50001;
const port = 3000;
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
// app.use(express.static('public'));
//serve static files from build folder instead of public folder
app.use('/', express.static('build'));
app.use(express.static('public'));
app.use('/api/data', data);
app.use('/api/upload', upload);
app.use('/api/save', save);
app.use('/api/file', file);
app.listen(port, () => {
console.log(`Listening on port: ${port}`);

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package-lock.json generated
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71
package.json
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{
"name": "sheetaki",
"version": "0.0.1",
"author": "sheetjs",
"description": "Spreadsheet CSV conversion microservice",
"keywords": [
"csv",
"spreadsheet",
"data",
"conversion",
"excel"
],
"proxy": "http://localhost:5000/",
"dependencies": {
"axios": "^0.19.0",
"body-parser": "^1.19.0",
"express": "^4.17.1",
"formidable-serverless": "",
"react": "^17.0.2",
"react-dom": "^17.0.2",
"react-scripts": "4.0.3",
"request": "",
"tmp": "^0.2.1",
"xlsx": ""
},
"scripts": {
"build": "react-scripts build",
"start": "node api/server.js",
"client": "react-scripts start",
"server": "nodemon --watch server api/server.js"
},
"devDependencies": {
"nodemon": "^2.0.4"
},
"homepage": "https://sheetaki.now.sh",
"license": "Apache-2.0",
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
"name": "sheetaki",
"version": "0.0.1",
"author": "sheetjs",
"description": "Spreadsheet CSV conversion microservice",
"keywords": [
"csv",
"spreadsheet",
"data",
"conversion",
"excel"
],
"dependencies": {
"body-parser": "^1.19.0",
"express": "^4.17.1",
"formidable-serverless": "",
"request": "",
"xlsx": ""
},
"scripts": {
"build": "echo hai",
"start": "node api/server.js"
},
"homepage": "https://sheetaki.now.sh",
"license": "Apache-2.0"
}

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public/client.js
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$(document).ready(readyNow);
var $content = $('.demoContent');
function readyNow() {
$('.barSection').on('click', barClick);
$('.demoContent').hide();
$('.proxy').show();
$('#proxy').toggleClass('clicked');
}
// function showContent(type){
// alert(type);
// $content.hide().filter('.' + type).show();
// }
function barClick(e){
$('.barSection').removeClass('clicked');
$(this).toggleClass('clicked');
$('.demoContent').hide();
switch (e.currentTarget.id) {
case 'proxy':
$('.proxy').show();
break;
case 'upload':
$('.upload').show();
break;
case 'save':
$('.save').show();
break;
default:
// code block
}
// showContent(e.currentTarget.hash.slice(1));
e.preventDefault();
}
// $('.barSection').click(function () {
// $(this).toggleClass('clicked');
// });

201
public/index.html
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@ -1,117 +1,92 @@
<!DOCTYPE html>
<html lang="en">
<head>
<!-- <script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="client.js"></script> -->
<title>SheetJS Spreadsheet Conversion Service</title>
<link rel="icon" type="image/png" href="//sheetjs.com/logo.png" />
<link rel="stylesheet" type="text/css" href="style.css" />
<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Roboto&display=swap" rel="stylesheet">
</head>
<body>
<style>
a {
text-decoration: none;
}
</style>
<div id="root">
<!-- <div class="headerBar">
<img src="assets/logo.png" class="logo" alt="logo" />
<h2 class="title">SheetJS Spreadsheet Conversion Service</h2>
</div>
<div class="container">
<div class="bar">
<div id="proxy" class="barSection" style="border-right: solid #B5B5B5 1px;">
<h2>Proxy</h2>
</div>
<div id="upload" class="barSection">
<h2>Upload</h2>
</div>
<div id="save" class="barSection" style="border-left: solid #B5B5B5 1px;">
<h2>Save</h2>
</div>
</div>
<div class="demo">
<div class="demoContent proxy">
<h2>Proxy</h2>
<p>
</p>
<div class="testButtons">
<p>
Send a request to /api/data to convert the spreadsheet at
`url` to a simpler format
</p>
<b>Parameters:</b>
<p>
- url=&lt;url&gt; the url to request
</p>
<p>
- N=&lt;idx&gt; the sheet index to use (-1 returns a list of sheet names in the workbook)
</p>
<p>
- t=&lt;type&gt; export type: "json" for json, "html" for html, default is CSV
</p>
<br/>
<html>
<head>
<title>SheetJS Spreadsheet Conversion Service</title>
<link rel="icon" type="image/png" href="//sheetjs.com/logo.png"/>
</head>
<body>
<style> a { text-decoration: none } </style>
<pre>
<b><a href="http://sheetjs.com">SheetJS</a> Spreadsheet Conversion Service</b>
<b>Examples:</b>
</div>
</div>
<div class="demoContent upload">
<h2>
Read a file
</h2>
<p>
using /api/upload
</p>
<form method="POST" action="api/upload" enctype="multipart/form-data">
<input type="hidden" name="N" value="0" />
<label class="button1" for="file">
<input
name="file"
type="file"
onChange={handleFileSelect}
/>
Choose file
</label>
<label for="t">Export type</label>
<select name="t" id="t">
<option value="csv" selected>CSV</option>
<option value="json">Array of arrays</option>
<option value="html">HTML TABLE</option>
</select>
<b>Proxy:</b> send a request to /api/data to convert the spreadsheet at `url` to a simpler format
<input class="button1" type="submit" value="Click here to upload!" />
</form>
</div>
<div class="demoContent save">
Save
</div>
</div>
</div> -->
</div>
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(["_setAccount", "UA-36810333-1"]);
_gaq.push(["_setDomainName", "sheetjs.com"]);
_gaq.push(["_setAllowLinker", true]);
_gaq.push(["_trackPageview"]);
<b>parameters:</b>
- url=&lt;url&gt; the url to request
- N=&lt;idx&gt; the sheet index to use (-1 returns a list of sheet names in the workbook)
- t=&lt;type&gt; export type: "json" for json, "html" for html, default is CSV
(function () {
var ga = document.createElement("script");
ga.type = "text/javascript";
ga.async = true;
ga.src =
("https:" == document.location.protocol
? "https://ssl"
: "http://www") + ".google-analytics.com/ga.js";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(ga, s);
})();
</script>
</body>
<b>examples:</b>
</pre>
<pre id="examples"></pre>
<script>
var URL1 = "https://obamawhitehouse.archives.gov/sites/default/files/omb/budget/fy2014/assets/receipts.xls";
var URL2 = "https://www.ers.usda.gov/webdocs/DataFiles/50048/Feed%20Grains%20Yearbook%20Tables-All%20Years.xls?v=42839"
var URLS = [
["[CSV] ", {url:URL1}],
["[JSON]", {url:URL1, t:"json"}],
["[HTML]", {url:URL1, t:"html"}],
[],
["[LIST]", {url:URL2,N:-1}],
["[N=1] ", {url:URL2,N:1}],
// ["[N=2] ", {url:URL2,N:2}],
// ["[N=3] ", {url:URL2,N:3}],
["[N=4] ", {url:URL2,N:4}],
// ["[N=5] ", {url:URL2,N:5}],
// ["[N=6] ", {url:URL2,N:6}],
// ["[N=7] ", {url:URL2,N:7}],
["[N=8] ", {url:URL2,N:8}]
];
var parms = ["N", "t"];
for(var i = 0; i < URLS.length; ++i) {
if(URLS[i].length < 2) { document.getElementById("examples").innerHTML += (URLS[i][0]||"") + "\n"; continue; }
var path = '/api/data?url=' + URLS[i][1].url;
for(var j = 0; j < parms.length; ++j) if(URLS[i][1][parms[j]]) path += '&' + parms[j] + '=' + URLS[i][1][parms[j]];
document.getElementById("examples").innerHTML += '- ' + URLS[i][0] + ' <a href="' + path + '">' + path + '</a>\n';
}
</script>
<pre>
<b>Upload:</b> upload a file to /api/upload to convert the spreadsheet at `url` to a simpler format
<b>parameters:</b>
- N=&lt;idx&gt; the sheet index to use (-1 returns a list of sheet names in the workbook)
- t=&lt;type&gt; export type: "json" for json, "html" for html, default is CSV
<b>example:</b>
<form method="POST" action="api/upload" enctype="multipart/form-data"><input type="hidden" name="N" value="0">
<label for="file">Upload a file</label>
<input type="file" name="file" id="file">
<label for="t">Export type</label>
<select name="t" id="t">
<option value="csv" selected>CSV</option>
<option value="json">Array of arrays</option>
<option value="html">HTML TABLE</option>
</select>
<input type="submit" value="Click here to upload!">
</form>
<b>This service is powered by <a href="http://sheetjs.com">SheetJS</a></b>
<b>Source Code:</b>
- <a href="https://github.com/SheetJS/sheetaki">Source code for this service</a>
- <a href="https://github.com/SheetJS/sheetjs">Source code for the SheetJS spreadsheet library</a>
</pre>
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-36810333-1']);
_gaq.push(['_setDomainName', 'sheetjs.com']);
_gaq.push(['_setAllowLinker', true]);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
</body>
</html>

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public/jquery.js vendored
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112
public/style.css
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body {
background-color: #E5E5E5;
font-family: Roboto, Helvetica, Arial, FreeSans, sans-serif;
color: #454545;
font-size: 14px;
/* margin: 0;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale; */
}
.App {
text-align: center;
}
.headerBar{
width: 800px;
height: 100px;
margin: auto;
margin-top: 30px;
background-color: #FFFFFF;
border: solid #B5B5B5 1px;
justify-content: center;
position: relative;
}
.title{
padding-top: 15px;
position: absolute;
left: 200px;
}
.logo{
float:left;
width: 60px;
padding-left: 20px;
padding-top: 20px;
padding-right: 0px;
/* position: absolute; */
}
.container{
text-align: center;
margin: auto;
width: 85%;
background-color: #FFFFFF;
margin-top: 30px;
/* display: flex; */
border: solid #B5B5B5 1px;
}
.bar{
display: flex;
}
.exampleForms{
display: flex;
}
.formContainer{
width: 50%;
display: block;
padding-top: 20px;
/* background-color: #454545; */
/* border: solid #000; */
border-width: 1px;
}
.barSection{
margin: auto;
padding: 10px;
width: 33%;
cursor:pointer;
border-bottom: solid #B5B5B5 1px;
}
input[type="file"]{
display: table-cell;
position: absolute;
/* left: 0; */
opacity: 0;
/* top: 0; */
/* bottom: 0; */
width: 40px;
height: 30px;
}
.button1{
cursor: pointer;
display: inline-block;
padding:0.35em 1.2em;
border:0.1em solid #E18874;
margin:0 0.3em 0.3em 0;
border-radius:0.12em;
box-sizing: border-box;
text-decoration:none;
font-family:'Roboto',sans-serif;
font-weight:300;
color:#454545;
background-color: Transparent;
text-align:center;
transition: all 0.2s;
}
.button1:hover{
color:#FFFFFF;
background-color:#E18874;
}
.clicked {
background: #77E2B6;
}

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src/App.css
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.App {
text-align: center;
font-family: 'Roboto', sans-serif;
}
@font-face {
font-family: 'Roboto';
src: local('Roboto'), url(./fonts/Roboto/Roboto-Regular.ttf) format('truetype');
}
html { font-family: Roboto, sans-serif; }
body {
background-color: #E5E5E5;
color: #282c34;
font-size: 14px;
}
hr{
border: 0;
height: 0;
border-top: 1px solid rgba(0, 0, 0, 0.5);
border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}
code {
font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
monospace;
}
::selection {
background: #E18874;
}
.headerBar{
border-radius: 2px;
width: 800px;
height: 100px;
margin: auto;
margin-top: 30px;
background-color: #FFFFFF;
border: solid #B5B5B5 1px;
text-align: center;
}
.title{
padding-top: 15px;
position: absolute;
}
.logo{
float:left;
width: 60px;
padding-left: 20px;
padding-top: 20px;
padding-right: 0px;
}
.container{
border-radius: 2px;
text-align: center;
margin: auto;
width: 85%;
background-color: #FFFFFF;
margin-top: 30px;
margin-bottom: 10px;
border: solid #B5B5B5 1px;
}
.bar{
border-top-left-radius: 2px;
border-top-right-radius: 2px;
display: flex;
}
.exampleForms{
display: flex;
}
.descriptionContainer{
width: 40%;
margin: auto;
}
.formContainer{
width: 50%;
display: block;
padding-top: 20px;
border-width: 1px;
}
.barSection{
margin: auto;
padding: 10px;
width: 33.333333333333%;
cursor:pointer;
border-bottom: solid #B5B5B5 1px;
}
.fileInputWrapper{
width: 80%;
margin: auto;
}
input[type="file"]{
margin: auto;
padding: 0;
width: 500px;
height: 200px;
outline: none;
opacity: 0;
cursor: pointer;
}
input[type=text] {
width: 80%;
text-align: center;
padding: 12px 0px;
margin: 8px 0;
font-size: 14px;
-webkit-border-radius: 20px;
-moz-border-radius: 20px;
border-radius: 20px;
border: 2px solid #707070;
outline: none;
-webkit-transition: all 0.1s ease-in-out;
-moz-transition: all 0.1s ease-in-out;
-ms-transition: all 0.1s ease-in-out;
-o-transition: all 0.1s ease-in-out;
}
input[type=text]:hover {
border: 2px solid #E18874;
}
input[type=text]:focus, textarea:focus {
border: 2px solid #E18874;
}
.button1{
width: 40%;
cursor: pointer;
display: inline-block;
padding:0.35em 1.2em;
margin: auto;
margin-top: 20px;
margin-bottom: 20px;
border-radius:2px;
border: 2px solid #707070;
box-sizing: border-box;
text-decoration:none;
font-family:'Roboto',sans-serif;
font-weight:300;
color:#454545;
background-color: #e2b5aa;
text-align:center;
padding: 10px;
font-size: 15px;
text-transform: uppercase;
letter-spacing: 5px;
transition: 150ms ease-in;
}
.button1:hover{
color:#FFFFFF;
background-color:#E18874;
border: 2px solid #707070;
cursor: pointer;
}
.button2{
overflow: hidden;
width: 5%;
cursor: pointer;
display: inline-block;
margin: auto;
margin-right: 5px;
border-radius:2px;
border: 2px solid #707070;
box-sizing: border-box;
text-decoration:none;
font-family:'Roboto',sans-serif;
font-weight:300;
color:#454545;
background-color: #e2b5aa;
text-align:center;
transition: 150ms ease-in;
}
.button2:hover{
color:#FFFFFF;
background-color:#E18874;
border: 2px solid #707070;
cursor: pointer;
}
.scrollableDiv{
width: 100%;
max-height: 800px;
overflow-y: scroll;
overflow-x: scroll;
border-top: solid #B5B5B5 1px;
}
.demoForm{
width: 80%;
margin: auto;
border: solid #B5B5B5 1px;
margin-bottom: 20px;
border-radius: 2px;
box-shadow: 0 0 2px #B5B5B5;
background: #A2C5F0;
}
select{
width: 50%;
height:40px;
border:0px;
outline:none;
text-align-last:center;
}
.selectWrapper{
margin: 8px 0;
background: #FFFFFF;
text-align: center;
width: 20%;
border-radius:36px;
display:inline-block;
overflow:hidden;
border:2px solid #707070;
}
.selectWrapper:hover{
border: 2px solid #E18874;
}
label{
display: block;
}
ol li{
list-style-type: none;
border-bottom: 1px solid #B5B5B5;
}
ul li{
color: #6d6d6d;
padding: 5px;
}
.centering{
width: 100%;
margin: auto;
}
.fileInputContainer{
margin: auto;
width: 500px;
height: 200px;
border: 4px dashed #fff;
margin-bottom: 10px;
}
.fileInputContainer:hover{
border: 4px dashed #E18874;
}
.fileInputText{
width: 100%;
height: 100%;
text-align: center;
line-height: 170px;
color: #ffffff;
font-family: Arial;
}

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src/App.js
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import './App.css';
import React, { useState } from 'react';
import logo from './assets/logo.png'
import Proxy from './Features/Data/Data';
import Upload from './Features/Upload/Upload';
import Save from './Features/Save/Save'
import ReadWorkbook from './Features/ReadWorkbook/ReadWorkbook';
function App() {
const [active, setActive] = useState('proxy');
return (
<div className="App">
<div className="headerBar">
<a href="https://sheetjs.com/"><img src={logo} className="logo" alt="logo" /></a>
<h2 className="title" style={{paddingTop:"15px"}}>SheetJS Spreadsheet Conversion Service</h2>
</div>
<div className="container">
<div className="bar">
{active == 'proxy'?
<div className="barSection" style={{ borderRight: "solid #B5B5B5 1px", background:'#77E2B6' }} onClick={(() => setActive('proxy'))}>
<h2>Read</h2>
</div>
:
<div className="barSection" style={{ borderRight: "solid #B5B5B5 1px" }} onClick={(() => setActive('proxy'))}>
<h2>Read</h2>
</div>
}
{active == 'upload'?
<div className="barSection" style={{ background: '#77E2B6' }} onClick={(() => setActive('upload'))}>
<h2>Upload</h2>
</div>
:
<div className="barSection" onClick={(() => setActive('upload'))}>
<h2>Upload</h2>
</div>
}
{active == 'save'?
<div className="barSection" onClick={(() => setActive('save'))} style={{ borderLeft: "solid #B5B5B5 1px", background: '#77E2B6' }}>
<h2>Save</h2>
</div>
:
<div className="barSection" onClick={(() => setActive('save'))} style={{ borderLeft: "solid #B5B5B5 1px" }}>
<h2>Save</h2>
</div>
}
</div>
<div className="demo">
{active == 'proxy' &&
<Proxy />
}
{active == 'workbook' &&
<ReadWorkbook/>
}
{active == 'upload'&&
<Upload/>
}
{active == 'save' &&
<Save/>
}
</div>
</div>
<footer style={{justifyContent:'left', width:'80%', margin:'auto'}}>
<b style={{ textAlign: 'left', width: '5018%', margin: 'auto' }}>Source Code:</b>
<ol style={{ textAlign: 'left', width: '18%', margin:'auto' }}>
<li style={{padding:'0px'}}>
<a href="https://github.com/SheetJS/sheetaki">Source code for this service</a>
</li>
<li>
<a href="https://github.com/SheetJS/sheetjs">Source code for the SheetJS spreadsheet library</a>
</li>
</ol>
</footer>
</div>
);
}
export default App;

8
src/App.test.js
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@ -1,8 +0,0 @@
import { render, screen } from '@testing-library/react';
import App from './App';
test('renders learn react link', () => {
render(<App />);
const linkElement = screen.getByText(/learn react/i);
expect(linkElement).toBeInTheDocument();
});

56
src/Features/Data/Data.js
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@ -1,56 +0,0 @@
import React, { useState } from 'react';
import ResponseDisplay from '../ResponseDisplay/ResponseDisplay';
import DataForm from './DataForm/DataForm';
const Proxy = () => {
const [type, setType] = useState('csv');
const [apiResponse, setApiResponse] = useState();
return (
<div>
<div>
<div className="descriptionContainer">
<h2>/api/data</h2>
<p style={{ color:'#6d6d6d'}}>
Send a request to /api/data to convert the spreadsheet at
`url` to a simpler format
</p>
<b>Parameters:</b>
<ul style={{textAlign:'left'}}>
<li>
url=&lt;url&gt; the url to request
</li>
<li>
N=&lt;idx&gt; the sheet index to use (-1 returns a list of sheet names in the workbook)
</li>
<li>
t=&lt;type&gt; export type: default is csv, "json" for json, "html" for html, "file" is to download the file
</li>
<li>
addr=&lt;cell address&gt; the address of the cell that you want to change the value of
</li>
<li>
val=&lt;value&gt; the value you want in that cell
</li>
<li>
name=&lt;name for file&gt; the name you want to give to a file for downloading
</li>
</ul>
<br/>
</div>
<DataForm
type={type}
setType={setType}
setApiResponse={setApiResponse}
/>
</div>
<ResponseDisplay
apiResponse={apiResponse}
type={type}
endpoint='/api/data'
/>
</div>
);
}
export default (Proxy);

147
src/Features/Data/DataForm/DataForm.js
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@ -1,147 +0,0 @@
import React, { useState } from 'react';
import axios from 'axios';
import Loader from '../../Loader/Loader';
const downloadFile = require('../../../downloadFile');
const DataForm = ({type, setType, setApiResponse}) => {
const [addr, setAddr] = useState('');
const [val, setVal] = useState('');
const [N, setN] = useState('');
const [url, setUrl] = useState('');
const [downloadName, setDownloadName] = useState('');
const [loading, setLoading] = useState(false);
//send request to /api/data
const handleSubmit = () => {
setLoading(true);
event.preventDefault();
axios({
method: 'GET',
url: `/api/data?url=${url}&N=${N}&t=${type}&name=${downloadName}&addr=${addr}&val=${val}`,
responseType: 'text',
headers: { 'Content-Type': 'application/octet-stream' }
}).then((response) => {
if(type=='file'){
var workbook = response.data.workbook;
var filename = response.data.newName;
var byteCharacters = atob(workbook);
var byteNumbers = new Array(byteCharacters.length);
for (var i = 0; i < byteCharacters.length; i++) {
byteNumbers[i] = byteCharacters.charCodeAt(i);
}
var byteArray = new Uint8Array(byteNumbers);
var blob = new Blob([byteArray], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
var url = URL.createObjectURL(blob);
downloadFile(url, filename);
}else{
setApiResponse(response.data);
}
setLoading(false);
}).catch((error) => {
if(error.response.data){
setApiResponse(error.response.data);
} else {
alert(error);
}
setLoading(false);
})
}
return (
<div className="demoForm">
<h2>Demo</h2>
<p>
Sample single worksheet url:
<div>
<button className="button2" onClick={(() => setUrl('https://obamawhitehouse.archives.gov/sites/default/files/omb/budget/fy2014/assets/receipts.xls'))}>select</button>
<a href="https://obamawhitehouse.archives.gov/sites/default/files/omb/budget/fy2014/assets/receipts.xls">https://obamawhitehouse.archives.gov/sites/default/files/omb/budget/fy2014/assets/receipts.xls</a>
</div>
</p>
<p>
Sample workbook url:
<div>
<button className="button2" onClick={(() => setUrl('https://www.ers.usda.gov/webdocs/DataFiles/50048/Feed%20Grains%20Yearbook%20Tables-All%20Years.xls?v=42839'))}>select</button>
<a href="https://www.ers.usda.gov/webdocs/DataFiles/50048/Feed%20Grains%20Yearbook%20Tables-All%20Years.xls?v=42839">https://www.ers.usda.gov/webdocs/DataFiles/50048/Feed%20Grains%20Yearbook%20Tables-All%20Years.xls</a>
</div>
</p>
<form onSubmit={(e) => handleSubmit(e)}>
<label for="t">Type:</label>
<div className="selectWrapper">
<select name="t" id="t" onChange={(e) => setType(e.target.value)} value={type}>
<option value="csv" selected>CSV</option>
<option value="json">Array of arrays</option>
<option value="html">HTML TABLE</option>
<option value="file">Download file</option>
</select>
</div>
{type == 'file' &&
<div style={{ width: "25%", margin:'auto' }}>
<label for="name">Name to give file:</label>
<input name="name" type="text" onChange={((e) => setDownloadName(e.target.value))} placeholder="name" value={downloadName} />
</div>
}
<div style={{ display: "flex", margin:'auto', width: '100%'}}>
<div style={{width: "25%"}}>
<label for="url">url:</label>
<input name="url" type="text" onChange={((e) => setUrl(e.target.value))} placeholder="url" value={url}/>
</div>
<div style={{ width: "25%" }}>
<label for="N">Worksheet:</label>
<input name="N" type="text" onChange={((e) => setN(e.target.value))} placeholder="N" />
</div>
<div style={{ width: "25%" }}>
<label for="addr">Cell address:</label>
<input name="addr" type="text" onChange={((e) => setAddr(e.target.value))} placeholder="addr"/>
</div>
<div style={{ width: "25%" }}>
<label for="val">New value:</label>
<input name="val" type="text" onChange={((e) => setVal(encodeURIComponent(e.target.value)))} placeholder="val"/>
</div>
</div>
<p>request url:</p>
<div className="urlWrapper">
<p style={{overflowWrap: 'break-word', wordWrap:'break-word', width:'90%', margin:'auto'}}>
/api/data?url=
{url &&
<>
{url}
</>
}
{N &&
<>
&N={N}
</>
}
{type != 'csv' &&
<>
&t={type}
</>
}
{downloadName &&
<>
&name={encodeURIComponent(downloadName)}
</>
}
{addr &&
<>
&addr={addr}
</>
}
{val &&
<>
&val={val}
</>
}
</p>
</div>
{loading?
<Loader/>
:
<button className="button1">Send Request</button>
}
</form>
</div>
);
}
export default (DataForm);

17
src/Features/Loader/Loader.css
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@ -1,17 +0,0 @@
/* --------loader modal css--------- */
.loader {
/* background-color: #b90e0a; */
border: 16px solid #efefef; /* Light grey */
border-top: 16px solid #E18874; /* Blue */
border-radius: 50%;
width: 20px;
height: 20px;
margin: auto;
margin-bottom: 10px;
animation: spin .7s linear infinite;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}

11
src/Features/Loader/Loader.js
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@ -1,11 +0,0 @@
import React from 'react';
import './Loader.css';
const Loader = () => {
// const loader = useSelector((state) => state.loader)
return (
<div className="loader"></div>
);
}
export default (Loader);

37
src/Features/ReadWorkbook/ReadWorkbook.js
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@ -1,37 +0,0 @@
import React, { useState } from 'react';
import ResponseDisplay from '../ResponseDisplay/ResponseDisplay';
import ReadWorkbookForm from './ReadWorkbookForm/ReadWorkbookForm';
const ReadWorkbook = ({ activeItem }) => {
const [apiResponse, setApiResponse] = useState();
return (
<div>
<div>
<div style={{ width: '40%', margin: 'auto' }}>
<h2>Read Workbook</h2>
<p>
Send a request to /api/data to convert the spreadsheet at
`url` to a simpler format
</p>
<b>Parameters:</b>
<ol style={{ textAlign: 'left' }}>
<li>
N=&lt;idx&gt; the sheet index to use (-1 returns a list of sheet names in the workbook)
</li>
</ol>
<br />
</div>
{/* <hr style={{width:'40%'}}/> */}
<ReadWorkbookForm
setApiResponse={setApiResponse}
/>
</div>
<ResponseDisplay apiResponse={apiResponse}/>
</div>
);
}
export default (ReadWorkbook);

67
src/Features/ReadWorkbook/ReadWorkbookForm/ReadWorkbookForm.js
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@ -1,67 +0,0 @@
import React, { useState } from 'react';
import axios from 'axios';
import Loader from '../../Loader/Loader';
const ReadWorkbookForm = ({ setApiResponse }) => {
const [N, setN] = useState('');
const [url, setUrl] = useState();
const [loading, setLoading] = useState(false);
const handleSubmit = () => {
setLoading(true);
event.preventDefault();
axios({
method: 'GET',
url: `/api/data?url=https://www.ers.usda.gov/webdocs/DataFiles/50048/Feed%20Grains%20Yearbook%20Tables-All%20Years.xls?v=42839&N=${N}`
}).then((response) => {
setApiResponse(response.data);
setLoading(false);
}).catch((error) => {
setApiResponse(error.response.data);
// alert(error);
setLoading(false);
})
}
return (
<div className="demoForm">
<h2>Demo</h2>
<p>
Sample url to use:
<div>
<a href="https://www.ers.usda.gov/webdocs/DataFiles/50048/Feed%20Grains%20Yearbook%20Tables-All%20Years.xls?v=42839">https://obamawhitehouse.archives.gov/sites/default/files/omb/budget/fy2014/assets/receipts.xls</a>
</div>
</p>
<form onSubmit={(e) => handleSubmit(e)}>
<div style={{ display: "flex", margin: 'auto', width: '100%' }}>
<div style={{ width: "33.3333%" }}>
<label for="N">N:</label>
<input name="N" type="text" onChange={((e) => setN(e.target.value))} placeholder="N" />
</div>
</div>
<p>request url:</p>
<p>
/api/data?url=
{url &&
<>
{url}
</>
}
{N &&
<>
&N={N}
</>
}
</p>
{loading ?
<Loader />
:
<button style={{ marginBottom: '20px' }} className="button1">Send Request</button>
}
</form>
</div>
);
}
export default (ReadWorkbookForm);

36
src/Features/ResponseDisplay/ResponseDisplay.js
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@ -1,36 +0,0 @@
import React, {useEffect} from 'react';
//renders a response from an api request
const ResponseDisplay = ({ apiResponse, type, endpoint }) => {
useEffect(() => {
//render the table html
if(type=='html'){
var tag_id = document.getElementById('apiResponse');
tag_id.innerHTML = apiResponse;
}
}, [apiResponse])
return (
<>
{apiResponse &&
<div style={{ borderTop: 'solid #77E2B6 5px' }}>
<h2 >
Response from {endpoint}:
</h2>
<div className="scrollableDiv" id="apiResponse">
{type == 'json' &&
JSON.stringify(apiResponse)
}
{type == 'csv' &&
apiResponse
}
{type == 'file' &&
apiResponse
}
</div>
</div>
}
</>
);
}
export default (ResponseDisplay);

49
src/Features/Save/Save.js
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@ -1,49 +0,0 @@
import React, { useState } from 'react';
import SaveForm from './SaveForm/SaveForm';
import ResponseDisplay from '../ResponseDisplay/ResponseDisplay';
const Save = () => {
const [type, setType] = useState('csv');
const [apiResponse, setApiResponse] = useState();
return (
<div>
<div className="descriptionContainer">
<h2>
/api/save
</h2>
<div style={{ color: '#6d6d6d' }}>
<p>
Use /api/save to save a file to an AWS S3 Bucket
</p>
</div>
<h2>
/api/file
</h2>
<div style={{ color: '#6d6d6d' }}>
<p>
Then use /api/file?filename=
to read the saved file. Choose t=file to download the file.
</p>
</div>
<b>Parameters:</b>
<ul style={{ textAlign: 'left' }}>
<li>
t=&lt;type&gt; export type: default is csv, "json" for json, "html" for html, "file" is to download the file
</li>
<li>
name=&lt;name for file&gt; the name you want to give to a file for downloading
</li>
</ul>
</div>
<SaveForm type={type} setType={setType} setApiResponse={setApiResponse}/>
<ResponseDisplay
apiResponse={apiResponse}
type={type}
endpoint='/api/file'
/>
</div>
);
}
export default (Save);

164
src/Features/Save/SaveForm/SaveForm.js
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@ -1,164 +0,0 @@
import React, { useState } from 'react';
import axios from 'axios';
import Loader from '../../Loader/Loader';
const downloadFile = require('../../../downloadFile');
const SaveForm = ({ type, setType, setApiResponse }) => {
const [selectedFile, setSelectedFile] = useState();
const [filename, setFilename] = useState();
const [loadingSave, setLoadingSave] = useState(false);
const [loadingGetFile, setLoadingGetFile] = useState(false);
const [filenameInput, setFilenameInput] = useState();
const [downloadName, setDownloadName] = useState('');
//post file to /api/save
const handleSubmitFile = (event) => {
setLoadingSave(true);
event.preventDefault();
let formData = new FormData();
formData.append("file", selectedFile);
let url = '/api/save';
axios.post(url, formData, {
headers: {
"Content-Type": "multipart/form-data"
}
}).then((response) => {
setFilename(response.data);
setLoadingSave(false);
}).catch((error) => {
if (error.response.data) {
setApiResponse(error.response.data);
} else {
alert(error);
}
setLoadingSave(false);
});
}
//read file using /api/file
const handleGetFile = (event) =>{
setLoadingGetFile(true);
event.preventDefault();
let formData = new FormData();
formData.append("file", selectedFile);
axios({
method: 'GET',
url: `/api/file?filename=${filenameInput}&t=${type}&name=${downloadName}`
}).then((response) => {
if (type == 'file') {
var workbook = response.data.workbook;
var filename = response.data.newName;
var byteCharacters = atob(workbook);
var byteNumbers = new Array(byteCharacters.length);
for (var i = 0; i < byteCharacters.length; i++) {
byteNumbers[i] = byteCharacters.charCodeAt(i);
}
var byteArray = new Uint8Array(byteNumbers);
var blob = new Blob([byteArray], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
var url = URL.createObjectURL(blob);
downloadFile(url, filename);
} else {
setApiResponse(response.data);
}
setLoadingGetFile(false);
}).catch((error) => {
if (error.response.data){
setApiResponse(error.response.data);
} else {
alert(error);
}
setLoadingGetFile(false);
})
}
return (
<div className="demoForm">
<h2>Demo</h2>
<form onSubmit={(e) => handleSubmitFile(e)}>
<input type="hidden" name="N" value="0" />
<div className="centering">
<div className="fileInputContainer">
<input
name="file"
type="file"
onChange={((e) => setSelectedFile(e.target.files[0]))}
/>
{selectedFile ?
<p className="fileInputText">
{selectedFile.name}
</p>
:
<p className="fileInputText">
Drag file or click here.
</p>
}
</div>
</div>
{loadingSave?
<Loader/>
:
<div>
<button style={{ marginTop:'10px', marginBottom: '0px' }} type="submit" className="button1">Click here to save file!</button>
</div>
}
</form>
<br />
{filename &&
<>
<p>Your saved file:</p>
<b>{filename}</b>
</>
}
<form onSubmit={(e) => handleGetFile(e)} style={{marginTop:'20px'}}>
<div style={{ width: "25%", margin:'auto' }}>
<label for="filename">Paste your saved file filename here:</label>
<input type="text" id="filename" name="filename" onChange={((e) => setFilenameInput(e.target.value))} placeholder="filename"/>
</div>
<div>
<label for="t">Type:</label>
<div className="selectWrapper">
<select name="t" id="t" onChange={(e) => setType(e.target.value)} value={type}>
<option value="csv" selected>CSV</option>
<option value="json">Array of arrays</option>
<option value="html">HTML TABLE</option>
<option value="file">Download file</option>
</select>
</div>
{type == 'file' &&
<div style={{ width: "25%", margin: 'auto' }}>
<label for="name">Name to give file:</label>
<input name="name" type="text" onChange={((e) => setDownloadName(e.target.value))} placeholder="name" value={downloadName} />
</div>
}
</div>
<p>request url:</p>
<p style={{ overflowWrap: 'break-word', wordWrap: 'break-word', width: '90%', margin: 'auto' }}>
/api/file?filename=
{filenameInput&&
<>
{encodeURIComponent(filenameInput)}
</>
}
{type != 'csv' &&
<>
&t={type}
</>
}
{downloadName &&
<>
&name={encodeURIComponent(downloadName)}
</>
}
</p>
{loadingGetFile?
<Loader />
:
<button style={{ marginBottom: '20px' }} className="button1" type="submit">Read file</button>
}
</form>
</div>
);
}
export default (SaveForm);

50
src/Features/Upload/Upload.js
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@ -1,50 +0,0 @@
import React, { useState } from 'react';
import ResponseDisplay from '../ResponseDisplay/ResponseDisplay';
import UploadForm from './UploadForm/UploadForm';
const Upload = () => {
const [type, setType] = useState('csv');
const [selectedFile, setSelectedFile] = useState();
const [apiResponse, setApiResponse] = useState();
return (
<div>
<div className="descriptionContainer">
<h2>/api/upload</h2>
<p style={{ color: '#6d6d6d' }}>
Upload a file to /api/upload to convert the spreadsheet to a simpler format
</p>
<b>Parameters:</b>
<ul style={{ textAlign: 'left' }}>
<li>
t=&lt;type&gt; export type: default is csv, "json" for json, "html" for html, "file" is to download the file
</li>
<li>
addr=&lt;cell address&gt; the address of the cell that you want to change the value of
</li>
<li>
val=&lt;value&gt; the value you want in that cell
</li>
<li>
name=&lt;name for file&gt; the name you want to give to a file for downloading
</li>
</ul>
<br />
</div>
<UploadForm
setApiResponse={setApiResponse}
setType={setType}
type={type}
setSelectedFile={setSelectedFile}
selectedFile={selectedFile}
/>
<ResponseDisplay
apiResponse={apiResponse}
type={type}
endpoint='/api/upload'
/>
</div>
);
}
export default (Upload);

123
src/Features/Upload/UploadForm/UploadForm.js
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import React, { useState } from 'react';
import axios from 'axios';
import Loader from '../../Loader/Loader';
const downloadFile = require('../../../downloadFile');
const UploadForm = ({ type, setType, setApiResponse, selectedFile, setSelectedFile }) => {
const [addr, setAddr] = useState('');
const [val, setVal] = useState('');
const [loading, setLoading] = useState(false);
const [downloadName, setDownloadName] = useState('');
//post file to /api/upload
const handleSubmit = (event) => {
setLoading(true);
event.preventDefault();
let formData = new FormData();
formData.append("file", selectedFile);
let url = `/api/upload?t=${type}&addr=${addr}&val=${val}&name=${downloadName}`;
axios.post(url, formData, {
headers: {
"Content-Type": "multipart/form-data"
}
}).then((response) => {
if (type == 'file') {
var workbook = response.data.workbook;
var filename = response.data.newName;
var byteCharacters = atob(workbook);
var byteNumbers = new Array(byteCharacters.length);
for (var i = 0; i < byteCharacters.length; i++) {
byteNumbers[i] = byteCharacters.charCodeAt(i);
}
var byteArray = new Uint8Array(byteNumbers);
var blob = new Blob([byteArray], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
var url = URL.createObjectURL(blob);
downloadFile(url, filename);
}else{
setApiResponse(response.data);
}
setLoading(false);
}).catch((error) => {
if (error.response.data){
setApiResponse(error.response.data);
}else{
alert(error);
}
setLoading(false);
});
}
return (
<div className="demoForm">
<h2>Demo</h2>
<form encType="multipart/form-data" onSubmit={(e) => handleSubmit(e)}>
<input type="hidden" value="0" />
<div className="centering">
<div className="fileInputContainer">
<input
name="file"
type="file"
onChange={((e) => setSelectedFile(e.target.files[0]))}
/>
{selectedFile ?
<p className="fileInputText">
{selectedFile.name}
</p>
:
<p className="fileInputText">
Drag file or click here.
</p>
}
</div>
</div>
<label for="t">Export Type:</label>
<div className="selectWrapper">
<select name="t" id="t" onChange={(e) => setType(e.target.value)} value={type}>
<option value="csv" selected>CSV</option>
<option value="json">Array of arrays</option>
<option value="html">HTML TABLE</option>
<option value="file">Download file</option>
</select>
</div>
{type == 'file' &&
<div style={{ width: "25%", margin: 'auto' }}>
<label for="name">Name to give file:</label>
<input name="name" type="text" onChange={((e) => setDownloadName(e.target.value))} placeholder="name" value={downloadName} />
</div>
}
<div style={{ display: "flex", margin: 'auto', width: '80%' }}>
<div style={{ width: "50%" }}>
<label for="addr">Cell address to change:</label>
<input name="addr" type="text" onChange={((e) => setAddr(e.target.value))} placeholder="addr" />
</div>
<div style={{ width: "50%" }}>
<label for="val">New value:</label>
<input name="val" type="text" onChange={((e) => setVal(encodeURIComponent(e.target.value)))} placeholder="val" />
</div>
</div>
<p>request url:</p>
<p style={{ overflowWrap: 'break-word', wordWrap: 'break-word', width: '90%', margin: 'auto' }}>
/api/upload
{type != 'csv' &&
<>
?t={type}
</>
}
{downloadName &&
<>
&name={encodeURIComponent(downloadName)}
</>
}
</p>
{loading ?
<Loader />
:
<button style={{ marginBottom: '20px' }} className="button1">Click here to upload!</button>
}
</form>
</div>
);
}
export default (UploadForm);

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src/downloadFile.js
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//creates link to download a file. then clicks link automatically. then removes link
module.exports = function (url, filename) {
var a = document.createElement("a");
a.download = filename;
a.href = url;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
if (URL.revokeObjectURL && typeof setTimeout !== 'undefined') setTimeout(function () { URL.revokeObjectURL(url); }, 60000);
}

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src/fonts/Roboto/LICENSE.txt
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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src/index.js
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import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
ReactDOM.render(
<React.StrictMode>
<App />
</React.StrictMode>,
document.getElementById('root')
);

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src/util.js
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/* N parameter specifies worksheet index */
const N = url.query.N ? parseInt(url.query.N,10) : 0;
const addr = url.query.addr || null;
const val = url.query.val || null;
const name = url.query.name || null;
if (addr != null && val != null) {
XLSX.utils.sheet_add_aoa(wb.Sheets[wb.SheetNames[0]], [[val]], { origin: addr });
}
/* -1 -> return sheet names */
if(N < 0) switch(url.query.t || "csv") {
@ -36,25 +28,6 @@ module.exports = function(req, body, url, res) {
switch(url.query.t) {
case "json": return res.status(200).json(XLSX.utils.sheet_to_json(ws, {header:1, raw:true}));
case "html": return XLSX.stream.to_html(ws).pipe(res);
case "file":
var newName;
if(name!=null){
newName = name + '.xlsx';
}else{
newName = 'yourFile.xlsx'
}
// const buf = XLSX.write(wb, { type: "buffer", bookType: "xlsx" });
// res.header("Content-Type", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
// res.header("Content-Disposition", `attachment; filename="${newName}"`);
// return res.status(200).end(buf);
res.setHeader('Content-Type', 'application/octet-stream');
var wbopts = {
type: 'base64',
bookType: "xlsx",
bookSST: false
}
var wbout = XLSX.write(wb, wbopts);
return res.send({workbook: wbout, newName: newName});
default: return XLSX.stream.to_csv(ws).pipe(res);
}
};