Updated to work with rug 0.21.0

Author: Rod Johnson

operations/RootHandler.ts

@@ -1,17 +1,21 @@
 
 import { Match, GraphNode } from "@atomist/rug/tree/PathExpression";
-import { Plan, Message, HandleEvent } from "@atomist/rug/operations/Handlers";
+import { Plan, HandleEvent } from "@atomist/rug/operations/Handlers";
 
 /**
  * Convenient event handler superclass when we're only interested in the root
- * match
+ * match. This is the commonest case.
  */
-export abstract class RootHandler<R extends GraphNode> implements HandleEvent<R,R> {
+export abstract class RootHandler<R extends GraphNode> implements HandleEvent<R, R> {
 
-     handle(m: Match<R,R>): Plan | Message {
-        return this.onMatch(m.root());
-      }
+  handle(m: Match<R, R>): Plan {
+    return this.onMatch(m.root());
+  }
 
-      abstract onMatch(root: R): Plan | Message;
+  /**
+   * Handle the given root match
+   * @param root root node of the match 
+   */
+  abstract onMatch(root: R): Plan;
 
 }

package.json

@@ -4,6 +4,7 @@
   "description": "Helper functions for Rugs",
   "dependencies": {
     "@atomist/cortex": "^0.19.0",
+    "@atomist/rug": "^0.20.0",
     "mustache": "^2.3.0"
   },
   "scripts": {