create-proton-app/src/utils.js

Create Proton Native apps

const dns = require('dns');

const isOnline = () => {
  return new Promise((resolve) => {
    dns.lookup('www.gnome.org', (error) => {
      if (error) {
        resolve(false);
      }
      else {
        resolve(true);
      }
    });
  });
};

const isOldNode = () => {
  // anything older than v4 is considered old
  let currentMajorNodeVersion = parseInt(process.versions.node.split('.')[0]);
  let acceptableMajorVersion = 6;
  return currentMajorNodeVersion < acceptableMajorVersion;
};

const ansiColors = {
  "reset" : "\x1b[0m",
  "hicolor" : "\033[1m",
  "underline" : "\033[4m",
  "inverse" : "\033[7m",
  // foreground colors
  "black" : "\033[30m",
  "red" : "\033[31m",
  "green" : "\033[32m",
  "yellow" : "\033[33m",
  "blue" : "\033[34m",
  "magenta" : "\033[35m",
  "cyan" : "\033[36m",
  "white" : "\033[37m",
  // background colors
  "bg_black" : "\033[40m",
  "bg_red" : "\033[41m",
  "bg_green" : "\033[42m",
  "bg_yellow" : "\033[43m",
  "bg_blue" : "\033[44m",
  "bg_magenta" : "\033[45m",
  "bg_cyan" : "\033[46m",
  "bg_white" : "\033[47m",
};


module.exports = {
  isOnline,
  isOldNode,
  ansiColors,
};