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import current from '/version.js';
import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';
import CodeBlock from '@theme/CodeBlock';

# Frameworks and Bundlers

Each standalone release package is available at <https://cdn.sheetjs.com/>.  The
NodeJS package is designed to be used with frameworks and bundlers.  It is a
proper ECMAScript Module release which can be optimized with developer tools.

<p><a href={`https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`}>https://cdn.sheetjs.com/xlsx-{current}/xlsx-{current}.tgz</a> is the URL for version {current}</p>

## Installation

Tarballs can be directly installed using a package manager:

<Tabs groupId="pm">
  <TabItem value="npm" label="npm">
<CodeBlock language="bash">{`\
npm i --save https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`}
</CodeBlock>
  </TabItem>
  <TabItem value="pnpm" label="pnpm">
<CodeBlock language="bash">{`\
pnpm install https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`}
</CodeBlock>
  </TabItem>
  <TabItem value="yarn" label="Yarn" default>
<CodeBlock language="bash">{`\
yarn add https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`}
</CodeBlock>
  </TabItem>
</Tabs>

Once installed, the library can be imported under the name `xlsx`:

```js
import { read, writeFileXLSX } from "xlsx";
```

The ["Bundlers" demo](/docs/demos/bundler) includes examples for specific tools.

:::tip pass

[Watch the repo](https://git.sheetjs.com/SheetJS/sheetjs) or subscribe to the
[RSS feed](https://git.sheetjs.com/sheetjs/sheetjs/tags.rss) to be notified when
new versions are released!

:::

:::warning

Older releases are technically available on the public npm registry as `xlsx`,
but the registry is out of date.  The latest version on that registry is 0.18.5

This is a known registry bug

<https://cdn.sheetjs.com/> is the authoritative source for SheetJS scripts.

For existing projects, the easiest approach is to uninstall and reinstall:

<Tabs groupId="pm">
  <TabItem value="npm" label="npm">
<CodeBlock language="bash">{`\
npm rm --save xlsx
npm i --save https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`}
</CodeBlock>
  </TabItem>
  <TabItem value="pnpm" label="pnpm">
<CodeBlock language="bash">{`\
pnpm rm xlsx
pnpm install https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`}
</CodeBlock>
  </TabItem>
  <TabItem value="yarn" label="Yarn" default>
<CodeBlock language="bash">{`\
yarn remove xlsx
yarn add https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`}
</CodeBlock>
  </TabItem>
</Tabs>

When the `xlsx` library is a dependency of a dependency, the `overrides` field
in `package.json` can control module resolution:

<CodeBlock language="json" title="package.json">{`\
{
  // highlight-start
  "overrides": {
    "xlsx": "https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz"
  }
  // highlight-end
}`}
</CodeBlock>

:::

### Vendoring

For general stability, "vendoring" modules is the recommended approach:

<p>1) Download the tarball (<code parentName="pre">xlsx-{current}.tgz</code>) for the desired version. The current
   version is available at <a href={`https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz`}>https://cdn.sheetjs.com/xlsx-{current}/xlsx-{current}.tgz</a></p>

2) Create a `vendor` subfolder at the root of your project and move the tarball
   to that folder.  Add it to your project repository.

3) Install the tarball using a package manager:

<Tabs groupId="pm">
  <TabItem value="npm" label="npm">
<CodeBlock language="bash">{`\
npm i --save file:vendor/xlsx-${current}.tgz`}
</CodeBlock>
  </TabItem>
  <TabItem value="pnpm" label="pnpm">
<CodeBlock language="bash">{`\
pnpm install file:vendor/xlsx-${current}.tgz`}
</CodeBlock>
  </TabItem>
  <TabItem value="yarn" label="Yarn" default>
<CodeBlock language="bash">{`\
yarn add  file:vendor/xlsx-${current}.tgz`}
</CodeBlock>
  </TabItem>
</Tabs>

The package will be installed and accessible as `xlsx`.

## Usage

With most frameworks and bundler tools, named imports are recommended:

```js
import { read, utils } from 'xlsx';
```

Some legacy bundlers require the glob import:

```js
import * as XLSX from 'xlsx';
const { read, utils } = XLSX;
```

For legacy bundlers that support CommonJS, `require` will work:

```js
var XLSX = require("xlsx");
var read = XLSX.read, utils = XLSX.utils;
```

The ["Bundlers" demo](/docs/demos/bundler) includes examples for specific tools.

## Encoding support

If Encoding support is required, `cpexcel.full.mjs` must be manually imported:

```js
/* load the codepage support library for extended support with older formats  */
import { set_cptable } from "xlsx";
import * as cptable from 'xlsx/dist/cpexcel.full.mjs';
set_cptable(cptable);
```