@sammwy/milkshake/src/preprocessors/compilers.js

<p align="center"> <img src="https://raw.githubusercontent.com/sammwyy/milkshake/master/docs/milkshake.png" height="64px"> <h1 align="center">MilkShake</h1> <p align="center"> <b>Automatize Tasks, Compile, concatenate and minify automaticall

const sass = require('node-sass');
const less = require("less");
const stylus = require('stylus')
const fs = require("fs");

exports.compileSass = (fileDir) => {
    return new Promise ( (resolve, reject ) => {
        sass.render({
            file: fileDir,
            indentedSyntax: true,
            outputStyle : 'expanded'
        }, function(err, result) {
            if(err) return console.log(err);
    
            let compiled = result.css.toString();
            resolve(compiled);
        });
    })
}

exports.compileStylus = (dir, fileDir) => {
    dir = [dir];
    return new Promise ( (resolve, reject) => {
        fs.readFile(fileDir, (err, data) => {
            stylus(data.toString())
                .set("paths", dir)
                .set("include css", true)
                .render((err, css) => {
                    if (err) {
                        console.error(err);
                        resolve(null);
                    }
                    
                    resolve(css);
                })
        });
    });
}

exports.compileLess = (dir, fileDir) => {
    return new Promise ( (resolve, reject) => {
        fs.readFile(fileDir, (err, data) => {
            if (err) {
                console.error(err);
                resolve(css);
                return;
            }
    
            less.render(data.toString(), {
                compress: true,
                paths: dir
            }, (e, css) => {
                if (e) {
                    console.error(e);
                }

                resolve(css);
            })
        })
    })
}