Start to refactor mermaid.js

.ackrc

@@ -1,3 +1,2 @@
 --ignore-dir=dist
 --ignore-file=match:/^yarn\.lock$/
---ignore-dir=test

src/logger.new.js

@@ -0,0 +1,45 @@
+import moment from 'moment'
+import chalk from 'chalk'
+
+export const Log = {
+  debug: () => {},
+  info: () => {},
+  warn: () => {},
+  error: () => {},
+  fatal: () => {}
+}
+export const level = {
+  debug: 1,
+  info: 2,
+  warn: 3,
+  error: 4,
+  fatal: 5
+}
+
+export const setLogLevel = function (level) {
+  Log.fatal = () => {}
+  Log.error = () => {}
+  Log.warn = () => {}
+  Log.info = () => {}
+  Log.debug = () => {}
+  if (level <= level.fatal) {
+    Log.fatal = (message) => chalk.bgHex('#DDDDDD').red(format('FATAL', message))
+  }
+  if (level <= level.error) {
+    Log.error = (message) => chalk.bgHex('#DDDDDD').red(format('ERROR', message))
+  }
+  if (level <= level.warn) {
+    Log.warn = (message) => chalk.bgHex('#DDDDDD').orange(format('WARN', message))
+  }
+  if (level <= level.info) {
+    Log.info = (message) => chalk.bgHex('#DDDDDD').blue(format('INFO', message))
+  }
+  if (level <= level.debug) {
+    Log.debug = (message) => chalk.bgHex('#DDDDDD').green(format('DEBUG', message))
+  }
+}
+
+const format = (level, message) => {
+  const time = moment().format('HH:mm:ss (SSS)')
+  return `${level} : ${time} : ${message}`
+}

src/mermaid.js

@@ -2,14 +2,13 @@
  * Web page integration module for the mermaid framework. It uses the mermaidAPI for mermaid functionality and to render
  * the diagrams to svg code.
  */
+var he = require('he')
 
 var Logger = require('./logger')
 var log = Logger.Log
 var mermaidAPI = require('./mermaidAPI')
 var nextId = 0
 
-var he = require('he')
-
 module.exports.mermaidAPI = mermaidAPI
 /**
  * ## init
@@ -111,14 +110,14 @@ var init = function () {
   }
 }
 
-exports.init = init
-exports.parse = mermaidAPI.parse
+module.exports.init = init
+module.exports.parse = mermaidAPI.parse
 /**
  * ## version
  * Function returning version information
  * @returns {string} A string containing the version info
  */
-exports.version = function () {
+module.exports.version = function () {
   return 'v' + require('../package.json').version
 }
 
@@ -127,7 +126,7 @@ exports.version = function () {
  * This function overrides the default configuration.
  * @param config
  */
-exports.initialize = function (config) {
+module.exports.initialize = function (config) {
   log.debug('Initializing mermaid')
   if (typeof config.mermaid !== 'undefined') {
     if (typeof config.mermaid.startOnLoad !== 'undefined') {
@@ -165,7 +164,7 @@ global.mermaid = {
     init.apply(null, arguments)
   },
   initialize: function (config) {
-    exports.initialize(config)
+    module.exports.initialize(config)
   },
   version: function () {
     return mermaidAPI.version()
@@ -187,14 +186,14 @@ global.mermaid = {
  * This function overrides the default configuration.
  * @param config
  */
-exports.parseError = global.mermaid.parseError
+module.exports.parseError = global.mermaid.parseError
 
 /**
  * ##contentLoaded
  * Callback function that is called when page is loaded. This functions fetches configuration for mermaid rendering and
  * calls init for rendering the mermaid diagrams on the page.
  */
-exports.contentLoaded = function () {
+module.exports.contentLoaded = function () {
   var config
   // Check state of start config mermaid namespace
   if (typeof global.mermaid_config !== 'undefined') {
@@ -233,6 +232,6 @@ if (typeof document !== 'undefined') {
    * Wait for document loaded before starting the execution
    */
   window.addEventListener('load', function () {
-    exports.contentLoaded()
+    module.exports.contentLoaded()
   }, false)
 }