From 73c566bec37c215041132f14973ec997afc05483 Mon Sep 17 00:00:00 2001
From: JackLewisGit <jacklewis.me@gmail.com>
Date: Wed, 29 Aug 2018 10:05:09 +1000
Subject: [PATCH 1/2] Update c3-tests.ts

Added zoom type to zoom_examples()
---
 types/c3/c3-tests.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/types/c3/c3-tests.ts b/types/c3/c3-tests.ts
index 6d7ea67287..5c554320f9 100644
--- a/types/c3/c3-tests.ts
+++ b/types/c3/c3-tests.ts
@@ -334,6 +334,7 @@ function zoom_examples() {
         data: {},
         zoom: {
             enabled: false,
+            type: 'scroll',
             rescale: true,
             extent: [1, 100], // enable more zooming
             onzoom: (domain) => { /* code */ },

From 7a2180c99e70af7b6971a5651bddfb3bf43ee6b6 Mon Sep 17 00:00:00 2001
From: JackLewisGit <jacklewis.me@gmail.com>
Date: Wed, 29 Aug 2018 10:05:31 +1000
Subject: [PATCH 2/2] Update index.d.ts

Added zoom type to ZoomOptions
---
 types/c3/index.d.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/types/c3/index.d.ts b/types/c3/index.d.ts
index 0d94347ca3..e047b22c7e 100644
--- a/types/c3/index.d.ts
+++ b/types/c3/index.d.ts
@@ -806,6 +806,10 @@ export interface ZoomOptions {
      * Enable zooming.
      */
     enabled?: boolean;
+    /**
+     * Set interaction type for zooming
+     */
+    type?: 'scroll' | 'drag';
     /**
      * Enable to rescale after zooming. If true set, y domain will be updated according to the zoomed region.
      */