fix(router-configuration): throw early on invalid pipeline steps

aurelia · May 16, 2018 · e6e2f62 · e6e2f62
1 parent fb09343
commit e6e2f62
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/router-configuration.js b/src/router-configuration.js
@@ -30,6 +30,9 @@ export class RouterConfiguration {
   * @chainable
   */
   addPipelineStep(name: string, step: Function|PipelineStep): RouterConfiguration {
+    if (step === null || step === undefined) {
+      throw new Error('Pipeline step cannot be null or undefined.');
+    }
     this.pipelineSteps.push({name, step});
     return this;
   }