w3wconverter/src/lib/read-csv-file.js

Coverts postcodes to lat-long coordinates via Google Places API, then into What3Words addresses.

/**** W3WConverter turns a postcode into a set of lat-long coordinates via the Google Places API
    and then, in turn, converts these into a What3Words address via the W3W API.
    Copyright (C) 2021  Gareth Whitley

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>. ****/
    
const fs = require('fs');
const neatCsv = require('neat-csv');

class ReadCsvFile {
    #fileToConvert;

    constructor(fileToConvert) {
        this.#fileToConvert = fileToConvert;
    }

    async readFile() {
        try {
            const data = fs.readFileSync(this.#fileToConvert,'utf8');
            console.log('Reading CSV data...');
            const tempArr = await neatCsv(data);
            return tempArr;

          } catch (err) {
            console.error(err)
            return `Error reading CSV file: ${err}`;
          }
    }
    
}

module.exports = ReadCsvFile;