fix: fix minor bug

vega · Mar 22, 2020 · 4d604ab · 4d604ab
1 parent 426de17
commit 4d604ab
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/normalize/core.ts b/src/normalize/core.ts
@@ -142,7 +142,7 @@ export class CoreNormalizer extends SpecMapper<NormalizerParams, FacetedUnitSpec
 
     const concat: NormalizedSpec[] = [];
 
-    const {repeater, repeaterPrefix = ''} = params;
+    const {repeater = {}, repeaterPrefix = ''} = params;
 
     const row = (!isArray(repeat) && repeat.row) || [repeater ? repeater.row : null];
     const column = (!isArray(repeat) && repeat.column) || [repeater ? repeater.column : null];