const fs = require('fs');
const sh = require('shelljs');

PATCH_LOCK = 'node_modules/@angular/cli/models/webpack-configs/.patched';

if (!fs.existsSync(PATCH_LOCK)) {
  sh.touch(PATCH_LOCK);
  sh.exec(`patch -p0 -i tools/cli-patches/ngo-loader.patch &&
           patch -p0 -i node_modules/purify/angular-cli.patch &&
           patch -p0 -i tools/cli-patches/uglify-config.patch`);
}