docs.sheetjs.com/docz/docs/03-demos/02-frontend/19-bundler/index.md

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import current from '/version.js'; import Tabs from '@theme/Tabs'; import TabItem from '@theme/TabItem'; import CodeBlock from '@theme/CodeBlock'; import {useCurrentSidebarCategory} from '@docusaurus/theme-common';

SheetJS predates ECMAScript modules and most bundler tools. As best practices have evolved, stress testing SheetJS libraries have revealed bugs in bundlers and other tools. This demo collects various notes and provides basic examples.

:::note pass

Issues should be reported to the respective bundler projects. Typically it is considered a bundler bug if the tool cannot properly handle JS libraries.

:::

The following tools are covered in separate pages:

    {useCurrentSidebarCategory().items.filter(item => !item?.customProps?.skip).map((item, index) => { const listyle = (item.customProps?.icon) ? { listStyleImage: `url("${item.customProps.icon}")` } : {}; return (
  • {item.label}{item.customProps?.summary && (" - " + item.customProps.summary)}
  • ); })}

Dojo

Integration details are included in the "AMD" installation

Complete Examples are included in the "Dojo" demo

Snowpack

Snowpack was a development tool built by the AstroJS team.

:::caution pass

Snowpack is no longer maintained. The developers recommend ViteJS

:::

Snowpack works with no caveats.

Complete Example (click to show)

:::note Tested Deployments

This demo was tested in the following environments:

Version Date
3.8.8 2024-04-14

:::

  1. Initialize a new project:
mkdir sheetjs-snowpack
cd sheetjs-snowpack
npm init -y
  1. Install the tarball using a package manager:
{`\ npm i --save https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`} {`\ pnpm install --save https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`} {`\ yarn add https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`}
  1. Save the following to index.js:
// highlight-next-line
import { utils, version, writeFileXLSX } from 'xlsx';

document.getElementById("xport").addEventListener("click", async() => {
/* fetch JSON data and parse */
const url = "https://docs.sheetjs.com/executive.json";
const raw_data = await (await fetch(url)).json();

/* filter for the Presidents */
const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));

/* sort by first presidential term */
prez.forEach(row => row.start = row.terms.find(term => term.type === "prez").start);
prez.sort((l,r) => l.start.localeCompare(r.start));

/* flatten objects */
const rows = prez.map(row => ({
  name: row.name.first + " " + row.name.last,
  birthday: row.bio.birthday
}));

/* generate worksheet and workbook */
const worksheet = utils.json_to_sheet(rows);
const 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 */
const max_width = rows.reduce((w, r) => 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");
});
  1. Create a small HTML page that loads the script. Save to index.html:
<!DOCTYPE html>
<html lang="en">
  <head></head>
  <body>
    <h1>SheetJS Presidents Demo</h1>
    <button id="xport">Click here to export</button>
    <script type="module" src="./index.js"></script>
  </body>
</html>

:::note pass

Unlike other bundlers, Snowpack requires a full page including HEAD element.

:::

  1. Build for production:
npx snowpack@3.8.8 build
  1. Start a local HTTP server, then go to http://localhost:8080/
npx http-server build/

Click on "Click here to export" to generate a file.

WMR

WMR was a development tool built by the PreactJS team.

:::caution pass

WMR is no longer maintained. The developers recommend ViteJS

:::

WMR works with no caveats.

Complete Example (click to show)

:::note Tested Deployments

This demo was tested in the following environments:

Version Date
3.8.0 2024-04-14

:::

  1. Initialize a new project:
mkdir sheetjs-wmr
cd sheetjs-wmr
npm init -y
  1. Install the tarball using a package manager:
{`\ npm i --save https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`} {`\ pnpm install --save https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`} {`\ yarn add https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`}
  1. Save the following to index.js:
// highlight-next-line
import { utils, version, writeFileXLSX } from 'xlsx';

document.getElementById("xport").addEventListener("click", async() => {
/* fetch JSON data and parse */
const url = "https://docs.sheetjs.com/executive.json";
const raw_data = await (await fetch(url)).json();

/* filter for the Presidents */
const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));

/* sort by first presidential term */
prez.forEach(row => row.start = row.terms.find(term => term.type === "prez").start);
prez.sort((l,r) => l.start.localeCompare(r.start));

/* flatten objects */
const rows = prez.map(row => ({
  name: row.name.first + " " + row.name.last,
  birthday: row.bio.birthday
}));

/* generate worksheet and workbook */
const worksheet = utils.json_to_sheet(rows);
const 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 */
const max_width = rows.reduce((w, r) => 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");
});
  1. Create a small HTML page that loads the script. Save to index.html:
<!DOCTYPE html>
<html lang="en">
  <head></head>
  <body>
    <h1>SheetJS Presidents Demo</h1>
    <button id="xport">Click here to export</button>
    <script type="module" src="./index.js"></script>
  </body>
</html>
  1. Build for production:
npx wmr@3.8.0 build
  1. Start a local HTTP server in dist folder and go to http://localhost:8080/
npx http-server dist/

Click on "Click here to export" to generate a file.

Browserify

The exposition has been moved to a separate page.

Bun

The exposition has been moved to a separate page.

esbuild

The exposition has been moved to a separate page.

Parcel

The exposition has been moved to a separate page.

RequireJS

The exposition has been moved to a separate page.

Rollup

The exposition has been moved to a separate page.

SWC

The exposition has been moved to a separate page.

SystemJS

The exposition has been moved to a separate page.

Vite

The exposition has been moved to a separate page.

Webpack

The exposition has been moved to a separate page.