trim-mirror-test-packages.js

'use strict';

/**
 * For linking test purposes we may use a mirror of real life packages.
 * This script goes through all packages in a mirror folder, strips anything
 * that is not package.json because it is irrelevant to tests
 */

require('shelljs/global');

cd('__tests__/fixtures/install');
let files = ls('common-mirror-2');
cd('common-mirror-2');

for (let file of files) {
  echo('repacking', file);
  exec(`tar -xvzf ${file}`, {silent: true});
  let folder = ls('').filter((name) => name.indexOf('.tgz') === -1 && name !== 'trimmed-package')[0];
  mkdir('trimmed-package');
  cp(`${folder}/package.json`, 'trimmed-package/package.json');
  cd('trimmed-package');
  let packageJson = JSON.parse(cat('package.json'));
  // these sections have references to code and will fail installation
  delete packageJson.scripts;
  delete packageJson.bin;
  JSON.stringify(packageJson, null, 4).to('package.json');
  exec('npm pack');
  mv(file, '..');
  cd('..');
  rm('-rf', [folder, 'trimmed-package']);
}