fix: make encoding null override parent encoding (#6763)

vega · Jul 30, 2020 · f6c2fca · f6c2fca
1 parent dd2858b
commit f6c2fca
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/normalize/core.ts b/src/normalize/core.ts
@@ -361,7 +361,7 @@ function mergeEncoding({
             ...channelDef.condition
           }
         };
-      } else if (channelDef) {
+      } else if (channelDef || channelDef === null) {
         merged[channel] = channelDef;
       } else if (
         layer ||