fix(repeat): throw on non-repeatable expressions

aurelia · Mar 7, 2016 · 1d7bbcc · 1d7bbcc
1 parent d38f77c
commit 1d7bbcc
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/repeat.js b/src/repeat.js
@@ -120,6 +120,9 @@ export class Repeat {
 
     let items = this.items;
     this.strategy = this.strategyLocator.getStrategy(items);
+    if (!this.strategy) {
+      throw new Error(`Value for '${this.sourceExpression}' is non-repeatable`);
+    }
 
     if (!this.isOneTime && !this._observeInnerCollection()) {
       this._observeCollection();