file-utils.ts

import fs from 'fs';

export class FileUtils {
  /**
   * Create/overwrite a new JSON file saving the inputted data at the specified path location.
   * @static
   * @param {any} data The data to write to file.
   * @param {string} path A file descriptor like 'User/documents/new-data.json'.
   */
  static saveJsonToFile(data: any, path: string): void {
    try {
      fs.writeFileSync(path, JSON.parse(JSON.stringify(data, null, 4)));
    } catch (err: any) {
        throw new Error(err);
    }
  }

  // ```js
  //     // import fs, express, cors, bodyParser
  //     // do the usual express setup

  //     app.use(cors());
  //     app.use(bodyParser.json());

  //     // set up a port listener that the frontend will call to make request

  //     app.get('/api/get-file-contents', (req, res) => {
  //         res.json(loadFiles('myPath/here/'));
  //     });

  //     loadFiles(path) {
  //         results = [];
  //         fs.readdirSync(path).forEach(file => {
  //             results.push(readFile(path, file));
  //         });
  //         return results;
  //     }

  //     readFile(path, file) {
  //         let contents = fs.readFileSync(path+'/'+fileName, 'utf8');
  //         return contents;
  //     }
  // ```
}