fix(types): fixes missing "step" enum for typings

Author: bkrem

react-d3-tree.d.ts

@@ -29,7 +29,7 @@ declare module "react-d3-tree" {
     onUpdate?: (updateTarget: { targetNode: ReactD3TreeItem | null, currentTranslate: ReactD3TreeTranslate, currentZoom: number}) => any,
     orientation?: "horizontal" | "vertical",
     translate?: Partial<ReactD3TreeTranslate>,
-    pathFunc?: ("diagonal" | "elbow" | "straight") | ((...args: any[]) => any),
+    pathFunc?: ("diagonal" | "elbow" | "straight" | "step") | ((...args: any[]) => any),
     transitionDuration?: number,
     depthFactor?: number,
     collapsible?: boolean,

src/Tree/index.js

@@ -612,7 +612,7 @@ Tree.propTypes = {
     x: T.number,
     y: T.number,
   }),
-  pathFunc: T.oneOfType([T.oneOf(['diagonal', 'elbow', 'straight']), T.func]),
+  pathFunc: T.oneOfType([T.oneOf(['diagonal', 'elbow', 'straight', 'step']), T.func]),
   transitionDuration: T.number,
   depthFactor: T.number,
   collapsible: T.bool,