xliff-generator/dist/services/csv-service.js

A simple module to create xliff files

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const csvParse = require("csv-parse");
const csvParseSync = require("csv-parse/lib/sync");
const csv_parse_error_1 = require("../errors/csv-parse.error");
class CsvService {
    constructor(logger, fileService) {
        this.logger = logger;
        this.fileService = fileService;
    }
    parseCsvSync(config) {
        this.logger.trace('Enter CsvService.parseCsvSync(CreateFromCsvConfig)');
        try {
            const csvFileAsString = this.fileService.readFileSync(config.csvFile).toString('utf8');
            let csvValues;
            try {
                csvValues = csvParseSync(csvFileAsString, {
                    comment: config.csvComment,
                    delimiter: config.csvDelimiter,
                    escape: config.csvEscape,
                    quote: config.csvQuote,
                    skip_empty_lines: true
                });
            }
            catch (e) {
                this.logger.info('An error occured parse the csv file', e);
                throw new csv_parse_error_1.CsvParseError(e);
            }
            const result = csvValues;
            this.checkParsedCsvFile(result);
            return result;
        }
        finally {
            this.logger.trace('Leave CsvService.parseCsvSync(CreateFromCsvConfig)');
        }
    }
    parseCsv(config) {
        return this.fileService.readFileAsPromise(config.csvFile, 'UTF-8').then((data) => {
            return this.parseCsvAsPromise(config, data);
        });
    }
    checkParsedCsvFile(parsedValues) {
        if (parsedValues.length === 0) {
            throw new csv_parse_error_1.CsvParseError('The csv file contains no parsed csv values. '
                + 'At least the first row with the header has to exist.');
        }
    }
    parseCsvAsPromise(config, csvFileAsString) {
        return new Promise((resolve, reject) => {
            csvParse(csvFileAsString, {
                comment: config.csvComment,
                delimiter: config.csvDelimiter,
                escape: config.csvEscape,
                quote: config.csvQuote,
                skip_empty_lines: true
            }, (csvErr, csvData) => {
                if (csvErr) {
                    reject(new csv_parse_error_1.CsvParseError(csvErr));
                    return;
                }
                const result = csvData;
                try {
                    this.checkParsedCsvFile(result);
                }
                catch (e) {
                    reject(new csv_parse_error_1.CsvParseError(e.message));
                    return;
                }
                resolve(result);
            });
        });
    }
}
exports.CsvService = CsvService;