winston-console-formatter/dist/index.js

Pretty print console formatter in yaml like style

'use strict';

var yamlifyObject = require('yamlify-object');
var yamlifyColors = require('yamlify-object-colors');

var utils = require('./utils');
var Message = require('./message');
var Colorizer = require('./colorizer');
var defaultErrorColors = require('./colors');

function configuredFormatter(_ref) {
  var _ref$postfix = _ref.postfix,
      postfix = _ref$postfix === undefined ? '' : _ref$postfix,
      _ref$prefix = _ref.prefix,
      prefix = _ref$prefix === undefined ? '' : _ref$prefix,
      _ref$stackTrace = _ref.stackTrace,
      stackTrace = _ref$stackTrace === undefined ? true : _ref$stackTrace,
      _ref$meta = _ref.meta,
      props = _ref$meta === undefined ? true : _ref$meta,
      _ref$colors = _ref.colors,
      colors = _ref$colors === undefined ? defaultErrorColors : _ref$colors,
      _ref$types = _ref.types,
      types = _ref$types === undefined ? yamlifyColors : _ref$types;

  /**
   * @param {Object} options
   * @return {string}
   */
  return function formatter(options) {
    var meta = options.meta,
        level = options.level,
        label = options.label,
        message = options.message,
        timestamp = options.timestamp;
    var from = meta.from,
        stack = meta.stack,
        trace = meta.trace,
        objectMessage = meta.message;


    delete meta.from;
    delete meta.message;
    delete meta.stack;
    delete meta.trace;

    var stackTraceRaw = stack || trace;
    var stackTraceJoined = void 0;
    var stackTraceMesssage = void 0;

    if (!(message || objectMessage) && Array.isArray(stackTraceRaw)) {
      stackTraceMesssage = stackTraceRaw[0];
    }

    if (Array.isArray(stackTraceRaw)) {
      stackTraceJoined = stackTraceRaw.join('\n');
    }

    var formattedMessage = new Message().setColorizer(new Colorizer(colors)).setTime(timestamp).setLabel(label).setLevel(level).setFrom(from).setMessage(stackTraceMesssage || message || objectMessage).toString();

    if (stackTrace) {
      formattedMessage += utils.getStackTrace(stackTraceJoined === undefined ? stackTraceRaw : stackTraceJoined, Boolean(colors));
    }

    if (props) {
      formattedMessage += yamlifyObject(meta, {
        colors: types,
        indent: '  ',
        prefix: '\n',
        postfix: ''
      });
    }

    return `${prefix}${formattedMessage}${postfix}`;
  };
}

module.exports = function config() {
  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

  return {
    timestamp: utils.getISOTime,
    formatter: configuredFormatter(options)
  };
};