ntts/lib/ignore-config-parser/ignore-config-parser.ts

A CLI tool for refactoring an existing NodeJs application to a fully functional TypeScript application.

import { existsSync, readFileSync } from 'fs';
import Logger from '../logger/logger';

const gitignore = '.gitignore';
const nttsignore = '.nttsignore';
const defaultIgnore = ['node_modules/'];

class IgnoreConfigParser {
  static getIgnores = (): string[] => {
    if (existsSync(nttsignore)) {
      Logger.info('Reading .nttsignore file');
      return IgnoreConfigParser.parseFile(nttsignore).concat(defaultIgnore);
    }
    if (existsSync(gitignore)) {
      Logger.info('Reading .gitignore file');
      return IgnoreConfigParser.parseFile(gitignore).concat(defaultIgnore);
    }
    Logger.warn('No ignore file found!');
    return defaultIgnore;
  };

  private static parseFile = (path: string): string[] => readFileSync(path, { encoding: 'utf-8' })
    .replace('\r\n', '\n')
    .split('\n')
    .map((line) => line.trim())
    .filter((line) => !!line && !line.startsWith('#'));
}

export default IgnoreConfigParser;