rocksteady/lib/utils.js

Drink blazin' electric death, downtime! Fast, zero-downtime apps for production enviroments.

// Generated by CoffeeScript 1.9.1
var fn, i, len, level, logger, ref;

exports.logger = logger = {
  _pad: function(n) {
    n = n + '';
    if (n.length >= 2) {
      return n;
    } else {
      return new Array(2 - n.length + 1).join('0') + n;
    }
  },
  timestamp: function() {
    var d, date, hour, min, month, sec, year;
    d = new Date();
    year = d.getUTCFullYear();
    month = this._pad(d.getUTCMonth() + 1);
    date = this._pad(d.getUTCDate());
    hour = this._pad(d.getUTCHours());
    min = this._pad(d.getUTCMinutes());
    sec = this._pad(d.getUTCSeconds());
    return year + "-" + month + "-" + date + " " + hour + ":" + min + ":" + sec;
  },
  log: function(level, message, metadata) {
    var err, ref;
    if (metadata == null) {
      metadata = '';
    }
    if (level !== 'error') {
      return console.log((this.timestamp()) + " [" + level + "] " + message, metadata);
    }
    if (message instanceof Error) {
      ref = [message, message.name], err = ref[0], message = ref[1];
    }
    console.error((this.timestamp()) + " [" + level + "] " + message, metadata);
    if (err != null) {
      return require('postmortem').prettyPrint(err);
    }
  }
};

ref = ['info', 'debug', 'warn', 'error'];
fn = function(level) {
  return logger[level] = function(message, metadata) {
    return logger.log(level, message, metadata);
  };
};
for (i = 0, len = ref.length; i < len; i++) {
  level = ref[i];
  fn(level);
}

exports.serialize = function(err) {
  return {
    message: err.message,
    name: err.name,
    stack: err.stack,
    structuredStackTrace: err.structuredStackTrace
  };
};

exports.deserialize = function(err) {
  var fn1, frame, isNative, j, len1, line, message, method, name, path, stack, structuredStackTrace, type;
  name = err.name, message = err.message, stack = err.stack, structuredStackTrace = err.structuredStackTrace;
  fn1 = function(frame, path, line, isNative, name, type, method) {
    frame.getFileName = function() {
      return path;
    };
    frame.getLineNumber = function() {
      return line;
    };
    frame.isNative = function() {
      return isNative;
    };
    frame.getFunctionName = function() {
      return name;
    };
    frame.getTypeName = function() {
      return type;
    };
    return frame.getMethodName = function() {
      return method;
    };
  };
  for (j = 0, len1 = structuredStackTrace.length; j < len1; j++) {
    frame = structuredStackTrace[j];
    path = frame.path, line = frame.line, isNative = frame.isNative, name = frame.name, type = frame.type, method = frame.method;
    fn1(frame, path, line, isNative, name, type, method);
  }
  err = new Error();
  err.name = name;
  err.message = message;
  err.stack = stack;
  err.structuredStackTrace = structuredStackTrace;
  return err;
};

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