docs.sheetjs.com/tests/bundler-browserify.sh
2024-07-18 18:19:02 -04:00

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#!/bin/bash
# https://docs.sheetjs.com/docs/demos/frontend/bundler/browserify
# requires global puppeteer and express
# sudo npm i -g puppeteer express@4
cd /tmp
rm -rf sheetjs-browserify-tests
mkdir sheetjs-browserify-tests
cd sheetjs-browserify-tests
for n in {3..17}; do
mkdir sheetjs-browserify-$n
cd sheetjs-browserify-$n
npm init -y
npm i --save https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz
cat >index.js <<EOF
const { utils, version, writeFileXLSX } = require('xlsx');
document.getElementById("xport").addEventListener("click", function() {
/* fetch JSON data and parse */
var url = "https://sheetjs.com/data/executive.json";
fetch(url).then(function(res) { return res.json(); }).then(function(raw_data) {
/* filter for the Presidents */
var prez = raw_data.filter(function(row) { return row.terms.some(function(term) { return term.type === "prez"; }); });
/* sort by first presidential term */
prez.forEach(function(row) {
row.start = row.terms.find(function(term) {
return term.type === "prez";
}).start
});
prez.sort(function(l,r) { return l.start.localeCompare(r.start); });
/* flatten objects */
var rows = prez.map(function(row) { return {
name: row.name.first + " " + row.name.last,
birthday: row.bio.birthday
}; });
/* generate worksheet and workbook */
var worksheet = utils.json_to_sheet(rows);
var workbook = utils.book_new();
utils.book_append_sheet(workbook, worksheet, "Dates");
/* fix headers */
utils.sheet_add_aoa(worksheet, [["Name", "Birthday"]], { origin: "A1" });
/* calculate column width */
var max_width = rows.reduce(function(w, r) { return Math.max(w, r.name.length); }, 10);
worksheet["!cols"] = [ { wch: max_width } ];
/* create an XLSX file and try to save to Presidents.xlsx */
//writeFileXLSX(workbook, "Presidents.xlsx");
console.log(utils.sheet_to_csv(worksheet));
});
});
EOF
npm install --save browserify@$n
npm ls | grep browserify
npx browserify@$n index.js > index.min.js
cat >index.html <<EOF
<!DOCTYPE html>
<html lang="en">
<head></head>
<body>
<h1>SheetJS Presidents Demo</h1>
<button id="xport">Click here to export</button>
<script src="./index.min.js"></script>
</body>
</html>
EOF
cat >test.js <<EOF
const puppeteer = require('puppeteer');
const express = require('express');
const app = express();
app.use(express.static('./'));
app.listen(7262, async() => {
await new Promise((res,rej) => setTimeout(res, 1000));
const browser = await puppeteer.launch();
const page = await browser.newPage();
page.on("console", msg => console.log("PAGE LOG:", msg.text()));
await page.setViewport({width: 1920, height: 1080});
await page.goto('http://localhost:7262/');
await page.click("#xport");
await new Promise((res,rej) => setTimeout(res, 1000));
await browser.close();
process.exit();
});
EOF
node test.js
cd -
done