diff --git a/types/d3-transition/index.d.ts b/types/d3-transition/index.d.ts
index eb60cec49f..2f935802bb 100644
--- a/types/d3-transition/index.d.ts
+++ b/types/d3-transition/index.d.ts
@@ -561,6 +561,12 @@ export interface Transition<GElement extends BaseType, Datum, PElement extends B
     ease(easingFn: (normalizedTime: number) => number): this;
 }
 
+/**
+ * Represents the union of the Selection and Transition types for any usages that operate on both.
+ * Typically used for functions which take in either a selection or transition and set or update attributes.
+ */
+export type SelectionOrTransition<GElement extends BaseType, Datum, PElement extends BaseType, PDatum> = Selection<GElement, Datum, PElement, PDatum> | Transition<GElement, Datum, PElement, PDatum>;
+
 /**
  * Returns a new transition with the specified name. If a name is not specified, null is used.
  * The new transition is only exclusive with other transitions of the same name.
diff --git a/types/d3-zoom/d3-zoom-tests.ts b/types/d3-zoom/d3-zoom-tests.ts
index 8051898b8b..819f344422 100644
--- a/types/d3-zoom/d3-zoom-tests.ts
+++ b/types/d3-zoom/d3-zoom-tests.ts
@@ -166,7 +166,7 @@ svgZoom = svgZoom.touchable(true);
 svgZoom = svgZoom.touchable(function(d, i, group) {
     const that: SVGRectElement = this;
     const datum: SVGDatum = d;
-    const g: SVGRectElement[] | NodeListOf<SVGRectElement> = group;
+    const g: SVGRectElement[] | ArrayLike<SVGRectElement> = group;
     return "ontouchstart" in this && datum.height > 0;
 });