import path from 'path';
import fs from 'fs';

export function findCurrentPkgName(cwd: string) {
  const appBuildGradle = fs.readFileSync(
    path.join(cwd, 'android/app/build.gradle')
  ).toString();

  const pattern = /.*applicationId[\s]+"([\w.]+)"/;
  const result = appBuildGradle.match(pattern);
  return result && result[1] || null;
}