Fixed an issue with flowchart rendering. Remember to render html, securityLevel='loose' must be set by the siteConfig. The default securityLevel as of now is 'strict'. This causes html to be url encoded.

src/diagrams/flowchart/flowDb.js

@@ -1,8 +1,8 @@
 import { select } from 'd3';
-import { logger } from '../../logger'; // eslint-disable-line
 import utils from '../../utils';
 import { getConfig } from '../../config';
 import common from '../common/common';
+import mermaidAPI from '../../mermaidAPI';
 
 // const MERMAID_DOM_ID_PREFIX = 'mermaid-dom-id-';
 const MERMAID_DOM_ID_PREFIX = '';
@@ -20,6 +20,10 @@ let direction;
 // Functions to be run after graph rendering
 let funs = [];
 
+export const parseDirective = function(statement, context, type) {
+  mermaidAPI.parseDirective(statement, context, type);
+};
+
 /**
  * Function called by parser when a node definition has been found
  * @param id
@@ -617,6 +621,7 @@ const destructLink = (_str, _startStr) => {
 };
 
 export default {
+  parseDirective,
   addVertex,
   addLink,
   updateLinkInterpolate,