feat(engine-handlebars): Demonstration of custom Handlebars helper

Author: engelfrost

packages/development-edition-engine-handlebars/helpers/test.js

@@ -0,0 +1,5 @@
+module.exports = function(Handlebars) {
+  Handlebars.registerHelper('test', function() {
+    return 'This is a test helper';
+  });
+};

packages/development-edition-engine-handlebars/patternlab-config.json

@@ -85,5 +85,10 @@
       "excludedPatternStates": [],
       "excludedTags": []
     }
-  ]
+  ],
+  "engines": {
+    "handlebars": {
+      "helpers": "helpers/*.js"
+    }
+  }
 }

packages/development-edition-engine-handlebars/source/_patterns/atoms/text/helper.hbs

@@ -0,0 +1 @@
+{{test}}