fs.realpathSync is not a function

[marc1404]

Using: plugin-jade@1.1.2

Stack trace:

Error: (SystemJS) fs.realpathSync is not a function 
 TypeError: fs.realpathSync is not a function 
 at eval (http://localhost:8100/jspm_packages/npm/uglify-js@2.2.5/tools/node.js:36:38) 
 at Array.map (native) 
 at Object.eval (http://localhost:8100/jspm_packages/npm/uglify-js@2.2.5/tools/node.js:35:3) 
 at eval (http://localhost:8100/jspm_packages/npm/uglify-js@2.2.5/tools/node.js:166:4) 
 at eval (http://localhost:8100/jspm_packages/npm/uglify-js@2.2.5/tools/node.js:167:3) 
 Evaluating http://localhost:8100/jspm_packages/npm/uglify-js@2.2.5/tools/node.js 
 Evaluating http://localhost:8100/jspm_packages/npm/transformers@2.1.0/lib/transformers.js 
 Evaluating http://localhost:8100/jspm_packages/npm/jade@1.11.0/lib/filters.js 
 Evaluating http://localhost:8100/jspm_packages/npm/jade@1.11.0/lib/parser.js 
 Evaluating http://localhost:8100/jspm_packages/npm/jade@1.11.0/lib/index.js 
 Error loading http://localhost:8100/jspm_packages/github/johnsoftek/plugin-jade@1.1.2/jade.js 
 Error loading http://localhost:8100/app/directives/document_uploader/document_uploader.jade as "./document_uploader.jade" from http://localhost:8100/app/directives/document_uploader/document_uploader_directive.js

Import statement:
import { html as template } from './document_uploader.jade';

jspm config:

"meta": {
 "*.jade": {
 "loader": "jade"
 },

[johnsoftek]

@marc1404 Are you using a file reference such as extends?

[marc1404]

The template is not using extends but include instead. Is this the cause of the problem?