From 8c4ba469af1dd2e0ebdce8097270fe3478a07fdb Mon Sep 17 00:00:00 2001
From: Paul Taylor <paul.e.taylor@me.com>
Date: Sun, 25 Feb 2018 23:33:47 -0800
Subject: [PATCH] add nullBitmap getter to DictionaryData that proxies to its
 indices' nullBitmap

---
 js/src/data.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/js/src/data.ts b/js/src/data.ts
index ab2e40ae9a9..d49fb790b9f 100644
--- a/js/src/data.ts
+++ b/js/src/data.ts
@@ -158,6 +158,7 @@ export class DictionaryData<T extends DataType> extends BaseData<Dictionary<T>>
         this.length = this._indicies.length;
     }
     public get nullCount() { return this._indicies.nullCount; }
+    public get nullBitmap() { return this._indicies.nullBitmap; }
     public clone<R extends Dictionary<T>>(type: R, length = this.length, offset = this.offset) {
         const data = this._dictionary.data.clone(type.dictionary as any);
         return new DictionaryData<R>(