Fix for issue #501

Added heko request to readme

src/diagrams/classDiagram/classDb.js

@@ -1,7 +1,6 @@
 
 var Logger = require('../../logger');
-var log = new Logger.Log();
-
+var log = Logger.Log;
 var relations = [];
 
 var classes;

src/diagrams/classDiagram/classRenderer.js

@@ -7,8 +7,8 @@ var cDDb = require('./classDb');
 cd.yy = cDDb;
 var d3 = require('../../d3');
 var Logger = require('../../logger');
+var log = Logger.Log;
 var dagre = require('dagre');
-var log = new Logger.Log();
 
 var idCache;
 idCache = {};

src/diagrams/example/exampleDb.js

@@ -2,7 +2,7 @@
  * Created by knut on 15-01-14.
  */
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 var message = '';
 var info = false;

src/diagrams/example/exampleRenderer.js

@@ -4,8 +4,10 @@
 var db = require('./exampleDb');
 var exampleParser = require('./parser/example.js');
 var d3 = require('../../d3');
+
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
+// var log = new Logger.Log();
 
 /**
  * Draws a an info picture in the tag with id: id based on the graph definition in text.

src/diagrams/flowchart/dagre-d3.js

@@ -1,6 +1,6 @@
 /* global window */
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 var dagreD3;
 //log.debug('setting up dagre-d3');

src/diagrams/flowchart/flowRenderer.js

@@ -7,7 +7,7 @@ var dot = require('./parser/dot');
 var d3 = require('../../d3');
 var dagreD3 = require('./dagre-d3');
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 
 var conf = {

src/diagrams/flowchart/graphDb.js

@@ -2,7 +2,7 @@
  * Created by knut on 14-11-03.
  */
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 var utils = require('../../utils');
 
 var d3 = require('../../d3');

src/diagrams/gantt/ganttDb.js

@@ -3,7 +3,7 @@
  */
 var moment = require('moment');
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 
 var dateFormat = '';

src/diagrams/gitGraph/gitGraphAst.js

@@ -1,9 +1,7 @@
 var Logger = require('../../logger');
+var log = Logger.Log;
 var _ = require('lodash');
 
-//var log = new Logger.Log();
-var log = new Logger.Log(1);
-
 
 var commits = {};
 var head  = null;

src/diagrams/gitGraph/gitGraphRenderer.js

@@ -3,8 +3,8 @@ var _ = require('lodash');
 var gitGraphParser = require('./parser/gitGraph');
 var d3 = require('../../d3');
 var Logger = require('../../logger');
+var log = Logger.Log;
 
-var log = new Logger.Log();
 var allCommitsDict = {};
 var branchNum;
 var config = {

src/diagrams/sequenceDiagram/sequenceDb.js

@@ -6,7 +6,7 @@ var messages  = [];
 var notes     = [];
 var title = '';
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 
 

src/diagrams/sequenceDiagram/sequenceRenderer.js

@@ -7,7 +7,7 @@ sq.yy = require('./sequenceDb');
 var svgDraw = require('./svgDraw');
 var d3 = require('../../d3');
 var Logger = require('../../logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 var conf = {
 

src/logger.js

@@ -21,9 +21,9 @@ const LEVELS = {
 
 var defaultLevel = LEVELS.error;
 
-exports.setLogLevel = function (level) {
-    defaultLevel = level;
-};
+// exports.setLogLevel = function (level) {
+//     defaultLevel = level;
+// };
 
 function formatTime(timestamp) {
     var hh = timestamp.getUTCHours();
@@ -58,38 +58,39 @@ function format(level) {
   return '%c ' + time  +' :%c' + level + ': ';
 }
 
-function Log(level) {
-    this.level = level;
-
-    this.log = function() {
-        var args = Array.prototype.slice.call(arguments);
-        var level = args.shift();
-        var logLevel = this.level;
-        if(typeof logLevel === 'undefined'){
-            logLevel = defaultLevel;
-        }
-        if (logLevel <= level) {
-            if (typeof console !== 'undefined') { //eslint-disable-line no-console
-                if (typeof console.log !== 'undefined') { //eslint-disable-line no-console
-                    //return console.log('[' + formatTime(new Date()) + '] ' , str); //eslint-disable-line no-console
-                    args.unshift('[' + formatTime(new Date()) + '] ');
-                    console.log.apply(console, args.map(function(a){
-                        if (typeof a === "object") {
-                          return a.toString() + JSON.stringify(a, null, 2);
-                        }
-                        return a;
-                    }));
-                }
-            }
-        }
-    };
-
-    this.trace = window.console.debug.bind(window.console, format('TRACE', name), 'color:grey;', 'color: grey;');
-    this.debug = window.console.debug.bind(window.console, format('DEBUG', name), 'color:grey;', 'color: green;');
-    this.info  = window.console.debug.bind(window.console, format('INFO',  name), 'color:grey;', 'color: blue;');
-    this.warn  = window.console.debug.bind(window.console, format('WARN',  name), 'color:grey;', 'color: orange;');
-    this.error = window.console.debug.bind(window.console, format('ERROR', name), 'color:grey;', 'color: red;');
+var debug = function(){};
+var info = function(){};
+var warn = function(){};
+var error = function(){};
+var fatal = function(){};
 
+/**
+ * logLevel , decides the amount of logging to be used.
+ *    * debug: 1
+ *    * info: 2
+ *    * warn: 3
+ *    * error: 4
+ *    * fatal: 5
+ */
+exports.setLogLevel = function(level){
+    switch(level){
+        case 1:
+            exports.Log.debug = window.console.debug.bind(window.console, format('DEBUG', name), 'color:grey;', 'color: green;');
+        case 2:
+            exports.Log.info = window.console.debug.bind(window.console, format('INFO', name), 'color:grey;', 'color: info;');
+        case 3:
+            exports.Log.warn  = window.console.debug.bind(window.console, format('INFO',  name), 'color:grey;', 'color: orange;');
+        case 4:
+            exports.Log.error  = window.console.debug.bind(window.console, format('ERROR',  name), 'color:grey;', 'color: red;');
+        case 5:
+            exports.Log.fatal = window.console.debug.bind(window.console, format('FATAL', name), 'color:grey;', 'color: red;');
+    }
 }
 
-exports.Log = Log;
+exports.Log = {
+    debug: debug,
+    info: info,
+    warn: warn,
+    error: error,
+    fatal: fatal,
+};

src/mermaid.js

@@ -4,8 +4,7 @@
  */
 
 var Logger = require('./logger');
-
-var log = new Logger.Log();
+var log = Logger.Log;
 var mermaidAPI = require('./mermaidAPI');
 var nextId = 0;
 

src/mermaidAPI.js

@@ -12,7 +12,7 @@
  * somewhere in the page or something completely different.
  */
 var Logger = require('./logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 var graph = require('./diagrams/flowchart/graphDb');
 var utils = require('./utils');

src/utils.js

@@ -2,7 +2,7 @@
  * Created by knut on 14-11-23.
  */
 var Logger = require('./logger');
-var log = new Logger.Log();
+var log = Logger.Log;
 
 /**
  * @function detectType