Fix type definition for dimension.group() (square#102)

* Fix type definition for dimension.group() * Fix casing of word 'TKey'
jdar · Mar 22, 2018 · 22b506e · 22b506e
1 parent d8971b4
commit 22b506e
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/index.d.ts b/index.d.ts
@@ -65,9 +65,9 @@ declare namespace crossfilter {
     hasCurrentFilter(): boolean;
     top(k: number, offset?: number): TRecord[];
     bottom(k: number, offset?: number): TRecord[];
-    group<TGroupValue>(
-      groupValue?: (value: TValue) => NaturallyOrderedValue,
-    ): Group<TRecord, TValue, TGroupValue>;
+    group<TKey extends NaturallyOrderedValue, TGroupValue extends NaturallyOrderedValue>(
+      groupValue?: (value: TValue) => TKey,
+    ): Group<TRecord, TKey, TGroupValue>;
     groupAll<TGroupValue>(): GroupAll<TRecord, TGroupValue>;
     dispose(): Dimension<TRecord, TValue>;
     accessor(record: TRecord): NaturallyOrderedValue;