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[rbdr/cologne] / lib / formatters / simple.js

diff --git a/lib/formatters/simple.js b/lib/formatters/simple.js
index 24f65b37378bbfe1223e24892784342a04227280..bfaa76c7dd068d9a28783e82917e473281e01dc6 100644 (file)
--- a/lib/formatters/simple.js
+++ b/lib/formatters/simple.js
@@ -1,30 +1,62 @@
-(function (global) {
-  var Module;
-
-  // Load up dependencies
-  if (typeof require === 'function') {
-    var Ne = require('neon');
-    Module = Ne.Module;
-  } else {
-    Module = global.Module;
+'use strict';
+
+const Utilities = require('../utilities');
+
+/**
+ * Simple formatter. Outputs a predefined format:
+ * `[{{_timestamp}}][{{_levelString}}] {{_from}}: {{message}}`;
+ *
+ * @memberof Formatters
+ * @implements IFormatter
+ * @class Simple
+ */
+module.exports = class SimpleFormatter {
+
+  constructor(config) {
+
+    /**
+     * Flag that tells us whether or not to use ANSI color. Defaults to
+     * false.
+     *
+     * @name colorize
+     * @instance
+     * @memberof Formatters.Simple
+     * @type Boolean
+     * @default false
+     */
+    this.colorize = false;
+
+    Object.assign(this, config || {});
   }
 
-  var Cobalt = {};
-  Module(Cobalt, 'Formatter')({});
+  /**
+   * Main entry point, it will read the incoming log object and convert
+   * it to the output string.
+   *
+   * @function format
+   * @instance
+   * @memberof Formatters.Simple
+   * @param {tCologneLog} logObjet the log to format
+   * @return {String} the formatted object
+   */
+  format(logObject) {
+
+    const date = (new Date(Number(logObject._timestamp) / 1000000)).toISOString();
+    const levelString = this._colorize(logObject._levelString, logObject._level);
 
-  Cobalt.Formatter.Simple = Module(Cobalt.Formatter, 'Simple')({
-    format : function (logObject, opts){
-      var indent;
+    return `[${date}][${levelString}] ${logObject._from}: ${logObject.message}`;
+  }
 
-      indent = Array(logObject._indentLevel + 1).join(' ');
+  _colorize(levelString, level) {
 
-      return indent + logObject.message;
+    if (!this.colorize) {
+      return levelString;
     }
-  });
 
-  if (typeof require === 'function') {
-    global.Simple = Cobalt.Formatter.Simple;
-  } else {
-    global.Cobalt.Formatter.Simple = Cobalt.Formatter.Simple;
+    const escapeCode = String.fromCharCode(27);
+    const color = escapeCode + Utilities.getAnsiCode(Utilities.getLevelAnsi(level));
+    const reset = escapeCode + Utilities.getAnsiCode('reset');
+
+    return color + levelString + reset;
   }
-}(typeof window !== 'undefined' ? window : (typeof exports !== 'undefined' ? exports : self)));
+};