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webpack-xlsx-loader

library1.0.0jsnpmunverified

Webpack loader that imports and parses .xlsx files into a workbook object compatible with the xlsx npm module. Version 1.0.0 is the initial release with no active development since 2016. It transforms xlsx files into a JSON representation (SheetNames and Sheets) that can be directly consumed by xlsx utility functions. Differentiated by simplicity: just a loader with no extra configuration required. Alternatives include raw xlsx import with file-loader or manual parsing.

http-networking data

npm install webpack-xlsx-loader

github ↗package ↗

INSTALL

IMPORT

SIG · WEBPACK-XLSX-LOADE

webpack-xlsx-loader

http-networkingjavascriptv1.0.0

harness data pending

Install & Compatibility

Where this runs

No compatibility data collected yet for this library.

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

default

✓ import spreadsheet from './path/to/file.xlsx'

✗ import { default } from './path/to/file.xlsx'

Default import returns the workbook object. No named export.

xlsx

✓ import xlsx from 'xlsx'

✗ const xlsx = require('xlsx')

xlsx is a peer dependency; must be installed separately. ESM import is recommended.

Configures webpack to load xlsx files, then imports a spreadsheet and converts first sheet to CSV.

// webpack.config.js module.exports = { module: { rules: [ { test: /\.xlsx$/, loader: 'webpack-xlsx-loader' } ] } }; // app.js import spreadsheet from './data.xlsx'; import xlsx from 'xlsx'; console.log(spreadsheet.SheetNames); // ['Sheet1'] console.log(xlsx.utils.sheet_to_csv(spreadsheet.Sheets['Sheet1']));

Debug

Known issues

deprecatedNo updates since 2016; not compatible with webpack 5+ (deprecated loader API).

fix

Use a modern replacement like @softarc/xlsx-loader or raw xlsx with asset modules.

affects: >=1.0.0

gotchaRequires xlsx as a peer dependency; not automatically installed.

fix

Run npm install xlsx separately.

affects: >=1.0.0

breakingWebpack 4 loader API changes: pitch phase may break with extract-text-webpack-plugin.

fix

Use MiniCssExtractPlugin or avoid loaders that intercept pitch.

affects: >=1.0.0

Errors

Common errors & fixes

Module parse failed: Unexpected token (1:0) in file.xlsx

Webpack doesn't have a loader for .xlsx files.

fix

Add webpack-xlsx-loader to webpack config as shown in usage.

Cannot find module 'xlsx'

xlsx is not installed.

fix

Run npm install xlsx.

Spreadsheet import is undefined

The loader output is a JSON object; must be default imported.

fix

Use import spreadsheet from './file.xlsx' not import { SheetNames } from './file.xlsx'.

Upgrade

Version history

1.0.0latest on npm

Audit

Dependencies

No dependency data recorded yet.

Agent activity

30 hits · last 30 days

node

OpenAI (training)

Resources

githubhttps://github.com/seveibar/xlsx-loader ↗

packagehttps://www.npmjs.com/package/webpack-xlsx-loader ↗