Extract CSS from websites and browser extensions

npm i fetch-css

const fetchCss = require("fetch-css");

// retrieve CSS of a website
const [{css}] = await fetchCss([{url: "https://google.com"}]);

// extract CSS from a Chrome extension
const [{css}] = await fetchCss([{crx: "hlepfoohegkhhmjieoechaddaejaokhf"}]);

• sources: Array Array of source objects
  • source: Object
    • url: string An absolute URL pointing to either a website or directly to a CSS file
    • fetchOpts: Object Options passed to fetch
    • crx: string A Chrome extension id
    • contentScriptsOnly: boolean Whether to pull only content scripts from a extension. Default: false

Returns a promise that resolves to a sources object with additional css properties present.

• remap-css - Remap CSS rules based on declaration value

© silverwind, distributed under BSD licence