address pr feedback

aws · Jul 7, 2022 · 914eb5f · 914eb5f
1 parent 72bc58b
commit 914eb5f
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/packages/@aws-cdk/aws-synthetics/lib/code.ts b/packages/@aws-cdk/aws-synthetics/lib/code.ts
@@ -129,15 +129,16 @@ export class AssetCode extends Code {
    * @param handler the canary handler
    */
   private validateCanaryAsset(scope: Construct, handler: string, family: RuntimeFamily) {
+    if (!this.asset) {
+      throw new Error("'validateCanaryAsset' must be called after 'this.asset' is instantiated");
+    }
+
     // Get the staged (or copied) asset path.
     const assetOutdir = cdk.Stage.of(scope)?.assetOutdir;
-    let assetPath = this.assetPath;
-    if (assetOutdir) {
-      assetPath = path.join(assetOutdir, this.asset!.assetPath);
-    }
+    const assetPath = assetOutdir ? path.join(assetOutdir, this.asset.assetPath) : this.assetPath;
 
     if (path.extname(this.assetPath) !== '.zip') {
-      if (this.asset!.isFile) {
+      if (this.asset.isFile) {
         throw new Error(`Asset must be a .zip file or a directory (${this.assetPath})`);
       }
       const filename = handler.split('.')[0];