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browserslist

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browserslist

Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset

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What is browserslist?

The browserslist npm package is used to share target browsers and Node.js versions between different front-end tools, like Autoprefixer, Babel, and others. It utilizes a configuration file or package.json entries to specify the range of browser versions that your project supports. It helps in making decisions for transpiling JavaScript, adding vendor prefixes to CSS, and even defining which browser versions to test during the development process.

What are browserslist's main functionalities?

Defining target browsers

This feature allows you to define a range of browsers your project supports by specifying queries like market share, last versions, or excluding certain browsers. The code sample would typically be placed in a package.json file.

"browserslist": ["> 1%", "last 2 versions", "not dead"]

Integration with build tools

Browserslist can be integrated with build tools like Webpack, Babel, or PostCSS to automatically apply browser-specific transformations based on the defined browser support criteria.

const browserslist = require('browserslist');
const supportedBrowsers = browserslist('> 0.5%, last 2 versions, Firefox ESR, not dead');

CLI Usage

Browserslist provides a command-line interface (CLI) that can be used to check which browsers and versions are selected by your queries.

npx browserslist "> 1%, last 2 versions"

Configuring environments

You can define different sets of browsers for various environments, like production or development, within a .browserslistrc file.

[production]
> 1% in US
[development]
last 1 chrome version

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Package last updated on 21 Oct 2024

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