2024-04-14 07:05:36 +00:00
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#!/bin/bash
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# https://docs.sheetjs.com/docs/demos/frontend/bundler/browserify
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cd /tmp
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rm -rf sheetjs-browserify-tests
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mkdir sheetjs-browserify-tests
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cd sheetjs-browserify-tests
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for n in {3..17}; do
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mkdir sheetjs-browserify-$n
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cd sheetjs-browserify-$n
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npm init -y
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2025-06-20 05:45:27 +00:00
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npm i --save https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz puppeteer express@4
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2024-04-14 07:05:36 +00:00
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cat >index.js <<EOF
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const { utils, version, writeFileXLSX } = require('xlsx');
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document.getElementById("xport").addEventListener("click", function() {
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/* fetch JSON data and parse */
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var url = "https://sheetjs.com/data/executive.json";
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fetch(url).then(function(res) { return res.json(); }).then(function(raw_data) {
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/* filter for the Presidents */
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var prez = raw_data.filter(function(row) { return row.terms.some(function(term) { return term.type === "prez"; }); });
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/* sort by first presidential term */
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prez.forEach(function(row) {
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row.start = row.terms.find(function(term) {
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return term.type === "prez";
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}).start
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});
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prez.sort(function(l,r) { return l.start.localeCompare(r.start); });
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/* flatten objects */
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var rows = prez.map(function(row) { return {
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name: row.name.first + " " + row.name.last,
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birthday: row.bio.birthday
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}; });
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/* generate worksheet and workbook */
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var worksheet = utils.json_to_sheet(rows);
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var workbook = utils.book_new();
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utils.book_append_sheet(workbook, worksheet, "Dates");
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/* fix headers */
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utils.sheet_add_aoa(worksheet, [["Name", "Birthday"]], { origin: "A1" });
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/* calculate column width */
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var max_width = rows.reduce(function(w, r) { return Math.max(w, r.name.length); }, 10);
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worksheet["!cols"] = [ { wch: max_width } ];
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/* create an XLSX file and try to save to Presidents.xlsx */
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2025-06-20 05:45:27 +00:00
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writeFileXLSX(workbook, "Presidents.xlsx");
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2024-04-14 07:05:36 +00:00
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});
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});
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EOF
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npm install --save browserify@$n
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npm ls | grep browserify
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npx browserify@$n index.js > index.min.js
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cat >index.html <<EOF
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<!DOCTYPE html>
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<html lang="en">
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<head></head>
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<body>
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<h1>SheetJS Presidents Demo</h1>
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<button id="xport">Click here to export</button>
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<script src="./index.min.js"></script>
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</body>
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</html>
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EOF
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cat >test.js <<EOF
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const puppeteer = require('puppeteer');
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const express = require('express');
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const app = express();
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app.use(express.static('./'));
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app.listen(7262, async() => {
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2024-06-03 00:59:49 +00:00
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await new Promise((res,rej) => setTimeout(res, 1000));
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2024-04-14 07:05:36 +00:00
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const browser = await puppeteer.launch();
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const page = await browser.newPage();
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page.on("console", msg => console.log("PAGE LOG:", msg.text()));
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await page.setViewport({width: 1920, height: 1080});
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2025-06-20 05:45:27 +00:00
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const client = await page.target().createCDPSession();
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await client.send('Browser.setDownloadBehavior', {
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behavior: 'allow',
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downloadPath: require("path").resolve('./')
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});
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2024-04-14 07:05:36 +00:00
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await page.goto('http://localhost:7262/');
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await page.click("#xport");
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2024-06-03 00:59:49 +00:00
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await new Promise((res,rej) => setTimeout(res, 1000));
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2024-04-14 07:05:36 +00:00
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await browser.close();
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2024-06-03 00:59:49 +00:00
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process.exit();
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2024-04-14 07:05:36 +00:00
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});
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EOF
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node test.js
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2025-06-20 05:45:27 +00:00
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npx -y xlsx-cli Presidents.xlsx | head -n 3
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2024-04-14 07:05:36 +00:00
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cd -
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done
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