import * as path from 'path';

export function helper() {
  let filesIndex: number = process.argv.indexOf('--files');
  let outIndex: number = process.argv.indexOf('--out');
  let outDir: string = path.join(process.cwd(), process.argv[outIndex + 1]);
  let writeDefinitions: boolean = process.argv.indexOf('--definitions') > 0;
  let files: string[] = process.argv.filter((input: string, index: number) => {
    if (filesIndex > outIndex) {
      return index > filesIndex
    } else {
      return index > filesIndex && index < outIndex;
    }
  });

  return {
    filesIndex: filesIndex,
    outIndex: outIndex,
    outDir: outDir,
    writeDefinitions: writeDefinitions,
    files: files
  }
}