2024-06-09 03:40:45 +00:00
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#!/bin/bash
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# https://docs.sheetjs.com/docs/demos/frontend/bundler/parcel
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cd /tmp
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rm -rf sheetjs-parceljs
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mkdir sheetjs-parceljs
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cd sheetjs-parceljs
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npm init -y
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2024-07-18 22:19:02 +00:00
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npm i --save https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz
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2024-06-09 03:40:45 +00:00
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cat >index.html <<EOF
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<body>
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<h3>SheetJS <span id="vers"></span> export demo</h3>
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<button id="xport">Click to Export!</button>
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<script src="index.js" type="module"></script>
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<body>
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EOF
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cat >index.js <<EOF
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// ESM-style import from "xlsx"
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import { utils, version, writeFileXLSX } from 'xlsx';
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document.getElementById("vers").innerText = version;
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document.getElementById("xport").onclick = async() => {
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/* fetch JSON data and parse */
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const url = "https://docs.sheetjs.com/executive.json";
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const raw_data = await (await fetch(url)).json();
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/* filter for the Presidents */
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const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));
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/* sort by first presidential term */
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prez.forEach(row => row.start = row.terms.find(term => term.type === "prez").start);
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prez.sort((l,r) => l.start.localeCompare(r.start));
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/* flatten objects */
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const rows = prez.map(row => ({
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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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const worksheet = utils.json_to_sheet(rows);
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const 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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const max_width = rows.reduce((w, r) => 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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writeFileXLSX(workbook, "Presidents.xlsx");
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};
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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('./dist'));
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app.listen(7262, async() => {
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await new Promise((res,rej) => setTimeout(res, 1000));
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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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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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page.on('request', req => console.log(req.url()));
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await page.goto('http://localhost:7262/');
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await new Promise((res,rej) => setTimeout(res, 1000));
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await page.click("#xport");
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await new Promise((res,rej) => setTimeout(res, 1000));
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await browser.close();
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process.exit();
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});
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EOF
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node -e 'var pjson = JSON.parse(fs.readFileSync("./package.json")); console.log(pjson); delete pjson.main; fs.writeFileSync("package.json", JSON.stringify(pjson))'
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for n in 1.12.4 2.12.0; do
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npx -y parcel build index.html
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node test.js
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npx -y xlsx-cli Presidents.xlsx | head -n 3
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rm -f Presidents.xlsx
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done
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