updateLicenses.js

let fs = require('fs');
let checker = require('license-checker');
let path = require('path');

let basePath = path.join(__dirname, '.');

checker.init(
  {
    start: basePath,
    customPath: './licenseFormat.json',
    production: true,
    //relativeLicensePath: true,
  },

  function (err, json) {
    if (err) {
      return console.error('error', err);
    }

    const deleteKeys = ['vortex-api', 'vortex'];

    Object.keys(json).forEach(key => {
      if (key.startsWith('@types')
          || ((json[key].publisher !== undefined) && json[key].publisher.startsWith('Black Tree Gaming'))) {
        deleteKeys.push(key);
        return;
      }

      // make the license path relative. license-checker has an option
      // to do that for us but that causes errors
      if (json[key].licenseFile) {
        json[key].licenseFile = path.relative(basePath, json[key].licenseFile).split(path.sep);
      }
      
      delete json[key].path;
    });

    deleteKeys.forEach(key => delete json[key]);

    console.log(`Writing ${Object.keys(json).length} modules`);

    fs.writeFile(path.join('assets', 'modules.json'), JSON.stringify(json, undefined, 2), { encoding: 'utf-8' }, () => null);
  });