mermaidjs#68 Class diagram parser breaks depending on length of conte…

…nt between brackets

src/components/Preview.js

@@ -58,12 +58,11 @@ class Preview extends React.Component {
     try {
       mermaid.parse(code)
       // Replacing special characters '<' and '>' with encoded '&lt;' and '&gt;'
-      let _code= code;
-      _code = _code.replace(/</g,'&lt;');
-      _code = _code.replace(/>/g,'&gt;');
-
-     // Overriding the innerHTML with the updated code string 
-      this.container.innerHTML = _code;
+      let _code = code
+      _code = _code.replace(/</g, '&lt;')
+      _code = _code.replace(/>/g, '&gt;')
+      // Overriding the innerHTML with the updated code string
+      this.container.innerHTML = _code
       mermaid.init(undefined, this.container)
     } catch (e) {
       // {str, hash}