userstyles/generate.js

// Generates all *.user.css styles.

// Require dependencies
// const fs = require('fs')
const klawSync = require('klaw-sync')
const path = require('path')
const userCss = require('usercss-creator')

// Define constants
const stylesDirectory = path.join(__dirname, 'sass')
const cssDirectory = path.join(__dirname, 'css')

// Walk recursively through styles directory
let files = klawSync(stylesDirectory, {nodir: true})

// Filter out any files that aren't .js files
files = files.filter(file => path.extname(file.path) === '.js')

// Iterate through all .js files
for (const file of files) {
  // Requiring the .js files as the descriptor of the style
  const descriptor = require(file.path)
  // Creating the css path and generating the .user.css file with the options
  const cssPath = path.join(cssDirectory, descriptor.folder, descriptor.entry)
  userCss.create(cssPath, descriptor.options)
}