daniel-san/utility/fileIo.js

a node-based budget-projection engine that helps your routines and finances find balance. The program features aggregates, terminal and file-based reporting output, multi-currency conversion capability and multi-frequency accounting triggers, including: o

"use strict";

var fs = require('fs');

var path = require('path');

var _require = require('../constants'),
    DEFAULT_JSON_SPACING = _require.DEFAULT_JSON_SPACING;

var defaultDirLevels = '/../../../../';

var createStream = function createStream(_ref) {
  var _ref$filepath = _ref.filepath,
      filepath = _ref$filepath === void 0 ? null : _ref$filepath,
      filename = _ref.filename,
      _ref$dirname = _ref.dirname,
      dirname = _ref$dirname === void 0 ? __dirname : _ref$dirname,
      _ref$defineEventHandl = _ref.defineEventHandlers,
      defineEventHandlers = _ref$defineEventHandl === void 0 ? true : _ref$defineEventHandl,
      _ref$json = _ref.json,
      json = _ref$json === void 0 ? false : _ref$json;
  var defaultPath = path.resolve("".concat(dirname).concat(defaultDirLevels));

  if (!filename) {
    filename = json ? 'danielSanReport.json' : 'danielSanReport.txt';
  }

  if (!filepath) {
    filepath = path.resolve("".concat(defaultPath, "/reports"));
  }

  var fullFilename = "".concat(filename);
  var absolutePath = path.resolve(filepath, fullFilename);
  var fileStream = fs.createWriteStream(absolutePath);

  if (defineEventHandlers) {
    // the finish event is emitted when all data has been flushed from the stream
    fileStream.on('finish', function () {
      console.log("wrote all contents to file ".concat(absolutePath)); // eslint-disable-line no-console
    }); // handle the errors on the write process

    fileStream.on('error', function (err) {
      console.error("there was an error writing the file ".concat(absolutePath, " => ").concat(err)); // eslint-disable-line no-console
    });
  }

  var writeStream = function writeStream(content) {
    fileStream.write("".concat(content));
  };

  return {
    fileStream: fileStream,
    writeStream: writeStream
  };
};

var closeStream = function closeStream(fileStream) {
  // close the stream
  fileStream.end();
};

var writeJsonToFile = function writeJsonToFile(_ref2) {
  var _ref2$filepath = _ref2.filepath,
      filepath = _ref2$filepath === void 0 ? null : _ref2$filepath,
      _ref2$filename = _ref2.filename,
      filename = _ref2$filename === void 0 ? 'danielSanData.json' : _ref2$filename,
      _ref2$dirname = _ref2.dirname,
      dirname = _ref2$dirname === void 0 ? __dirname : _ref2$dirname,
      _ref2$json = _ref2.json,
      json = _ref2$json === void 0 ? {} : _ref2$json,
      _ref2$jsonSpacing = _ref2.jsonSpacing,
      jsonSpacing = _ref2$jsonSpacing === void 0 ? DEFAULT_JSON_SPACING : _ref2$jsonSpacing,
      _ref2$onFinish = _ref2.onFinish,
      onFinish = _ref2$onFinish === void 0 ? null : _ref2$onFinish,
      _ref2$onError = _ref2.onError,
      onError = _ref2$onError === void 0 ? null : _ref2$onError;
  var defaultPath = path.resolve("".concat(dirname).concat(defaultDirLevels));

  if (!filepath) {
    filepath = path.resolve("".concat(defaultPath, "/data"));
  }

  var fullFilename = "".concat(filename);
  var absolutePath = path.resolve(filepath, fullFilename);
  var fileStream = fs.createWriteStream(absolutePath);

  if (onFinish) {
    fileStream.on('finish', onFinish);
  } else {
    fileStream.on('finish', function () {
      console.log("wrote all contents to file ".concat(absolutePath)); // eslint-disable-line no-console
    });
  }

  if (onError) {
    fileStream.on('error', onError);
  } else {
    fileStream.on('error', function (err) {
      console.error("there was an error writing the file ".concat(absolutePath, " => ").concat(err)); // eslint-disable-line no-console
    });
  }

  fileStream.write(JSON.stringify(json, null, jsonSpacing), function () {
    fileStream.end();
  });
};

module.exports = {
  createStream: createStream,
  closeStream: closeStream,
  writeJsonToFile: writeJsonToFile
};