downloads woff files embedded in links like https://fonts.googleapis.com/css?family=Roboto:300,400,500,700|Material+Icons

cssdownload.mjs

//  09.04.2018
//  node --experimental-modules cssdownload.mjs
//  downloads woff files embedded in links like https://fonts.googleapis.com/css?family=Roboto:300,400,500,700|Material+Icons
import http from "http";
import readline from "readline";
import fs from "fs";

const rl = readline.createInterface({ input: fs.createReadStream("css.css"), crlfDelay: Infinity });

let idx = 0;
rl.on("line", (line) => {
    if (line.indexOf("url(") > -1) {
        const linkStart = line.indexOf("url(") + 4;
        const linkStop = line.indexOf(")", linkStart);
        const link = line.substring(linkStart, linkStop).replace("https", "http");

        const fileNameStart = link.lastIndexOf("/") + 1;
        const fileNameStop = link.lenght;
        const fileName = link.substring(fileNameStart, fileNameStop);

        const file = fs.createWriteStream(fileName);
        http.get(link, (response) => response.pipe(file));

        console.log(`${new String(idx++).padStart(2, "0")}: ${fileName} `);
    }
});