Add clone for sub objects

Author: dmantsevich-exadel

lib/view-engine/Component.js

@@ -154,7 +154,7 @@ class Component {
 
   _compileView(view = this.view, data = this.data, fileName = this.resolvePath(this.config.view)) {
     try {
-      const tplsConfig = config.doT;
+      const tplsConfig = Object.assign({}, config.doT);
       tplsConfig.varname = `${this.config.var || 'component'}, data, options, page, partial`;
       return doT.template(view, tplsConfig)(this, data, this.options, this._page, this.partial.bind(this));
     } catch (e) {