@tangelo/tangelo-configuration-toolkit/src/lib/package-update-check.js

Tangelo Configuration Toolkit is a command-line toolkit which offers support for developing a Tangelo configuration.

const {compare}   = require('compare-versions');
const exec        = require('util').promisify(require('child_process').exec);


const packages = {TCT: _package};

const doUpdateCheck = (pkg) => (
  exec(`npm view -g ${packages[pkg].name} version`)
    .then(r => {
      const versionAvailable = r.stdout.match(/([\d/.]+)/)[1];
      if (!packages[pkg].version) _warn(`${pkg} is not installed! Run ` + `npm i -g ${packages[pkg].name}`.white);
      else if (compare(packages[pkg].version, versionAvailable, '<')) {
        _appdata._update({[`updateCheck${pkg}`]: {executed: new Date(), versionAvailable}});
        return versionAvailable;
      }
      else _appdata._update({[`updateCheck${pkg}`]: {executed: new Date()}});
      return;
    })
    .catch(() => _warn(`Failed checking latest version of ${pkg}.`))
);

let checkUpdatesDone = false;


module.exports = function packageUpdateCheck () {
  if (!checkUpdatesDone) { // check if updatecheck has ran before because async calls below trigger beforeExit again
    checkUpdatesDone = true;

    ['TCT'].forEach(pkg => {
      const updateMsg = (va) => `| Update ${pkg} to ${va} | ` + `npm i -g ${packages[pkg].name}`.white;
      const {versionAvailable} = _appdata[`updateCheck${pkg}`] || {};

      if (new Date() - new Date(_appdata[`updateCheck${pkg}`]?.executed || 0) > 1000*3600*24*1) { // check every day
        doUpdateCheck(pkg).then(r => r && _warn(updateMsg(r)));
      }
      else if (versionAvailable) {
        if (compare(packages[pkg].version, versionAvailable, '<')) _warn(updateMsg(versionAvailable));
        else _appdata._update({[`updateCheck${pkg}`]: {executed: new Date()}});
      }
    });
  }
};