salix/print/core/stylesheet.js

const fs = require('fs-extra');
const path = require('path');

class Stylesheet {
    constructor(files) {
        this.files = files;
        this.css = [];
    }

    mergeStyles() {
        for (const file of this.files) {
            this.css.push(fs.readFileSync(file));
        }

        return this.css.join('\n');
    }
}

module.exports = Stylesheet;