dev-log.js

var gutil = require('gulp-util');

module.exports = dev = (function() {
  let isDebugMode = false;
  let isVerboseMode = false;
  let logToFile = false;

  const API = {
    init: (isDebug, isVerbose, logToFile) => {
      return initModule(isDebug, isVerbose, logToFile);
    },
    log: log,
    logverbose: logverbose,
    logpackets: logpackets,
    logfunction: logfunction,
    error: error,
    isDebug: () => isDebugMode
  };

  function initModule(d, v, l) {
    isDebugMode = d;
    isVerboseMode = v;
    logToFile = l;
    console.log(`Init module with debug = ${d} and verbose = ${v}`);

    if (isDebugMode) {
      console.log('Debug mode is Enabled');
      console.log('---');
      dev.logfunction('(log) magenta is for functions');
      dev.logpackets('(log) green is for packets');
      dev.logpackets('(log) green is for packets');
      if (isVerboseMode) {
        dev.logverbose('(dev and verbose) gray for regular parsing data');
      }
    }
    if (logToFile) {
      console.log('Logging to file');
    } else {
      console.log('Not logging to a file');
    }
    return;
  }

  function log() {
    var args = Array.prototype.slice.call(arguments);
    var logArgs = args;
    _sendToLogFile(logArgs);
    _sendToConsole(logArgs, gutil.colors.white);
  }
  function logverbose() {
    // gray
    var args = Array.prototype.slice.call(arguments);
    var logArgs = '- '.concat(args);

    if (logToFile) {
      _sendToLogFile(logArgs);
    }
    if (isDebugMode && isVerboseMode) {
      _sendToConsole(logArgs, gutil.colors.gray);
    }
  }
  function logpackets() {
    // green
    var args = Array.prototype.slice.call(arguments);
    var logArgs = '* '.concat(args);

    if (logToFile) {
      _sendToLogFile(logArgs);
    }
    if (isDebugMode) {
      _sendToConsole(logArgs, gutil.colors.green);
    }
  }
  function logfunction() {
    // magenta
    var args = Array.prototype.slice.call(arguments);
    var logArgs = '~ '.concat(args);

    if (logToFile) {
      _sendToLogFile(logArgs);
    }
    if (isDebugMode) {
      _sendToConsole(logArgs, gutil.colors.magenta);
    }
  }
  function error() {
    // red
    var args = Array.prototype.slice.call(arguments);
    var logArgs = 'ERROR! '.concat(args);

    _sendToLogFile(logArgs);
    _sendToConsole(logArgs, gutil.colors.red);
  }

  function _sendToLogFile(logArgs) {}
  function _sendToConsole(logArgs, color = gutil.colors.white) {
    gutil.log(color(logArgs));
  }

  return API;
})();