nesh/lib/log.js

An enhanced, extensible shell for Node.js

// Generated by CoffeeScript 1.11.1

/*
Nesh logging module. This is exposed as `nesh.logger` and can be
hooked into your app's logging infrastructure. By default the
messages get printed to stdout.
 */

(function() {
  var logger;

  require('colors');

  module.exports = logger = {
    DEBUG: 4,
    INFO: 3,
    WARN: 2,
    ERROR: 1,
    level: 3,
    colors: true,
    levelName: function() {
      var names;
      names = {};
      names[logger.DEBUG] = 'debug';
      names[logger.INFO] = 'info';
      names[logger.WARN] = 'warn';
      names[logger.ERROR] = 'error';
      return names[logger.level];
    },
    log: function(level, msg) {
      if (level <= logger.level) {
        return console.log(msg);
      }
    },
    debug: function(msg) {
      return logger.log(logger.DEBUG, logger.colors ? msg.grey : msg);
    },
    info: function(msg) {
      return logger.log(logger.INFO, msg);
    },
    warn: function(msg) {
      return logger.log(logger.WARN, logger.colors ? msg.yellow : msg);
    },
    error: function(msg) {
      return logger.log(logger.ERROR, logger.colors ? msg.red : msg);
    },

    /*
    Convenience methods for logging frameworks
     */
    test: function() {
      logger.colors = false;
      logger.output = '';
      logger.level = logger.DEBUG;
      return logger.log = function(level, message) {
        if (level <= logger.level) {
          return logger.output += message;
        }
      };
    },
    winston: function() {
      var winston;
      winston = require('winston');
      logger.colors = false;
      return logger.log = function(level, msg) {
        if (level <= logger.level) {
          return winston[logger.levelName()](msg);
        }
      };
    }
  };

}).call(this);

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