From b3578aee3fe5b9eadd42c9015eacd02bae3312cd Mon Sep 17 00:00:00 2001
From: Norbert de Langen <ndelangen@me.com>
Date: Thu, 28 Mar 2019 07:39:42 +0100
Subject: [PATCH] Make all properties in TreeshakingOptions optional (#2779)

This is what the docs are telling me the types should be
---
 src/rollup/types.d.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/rollup/types.d.ts b/src/rollup/types.d.ts
index 2e64f739804..9fec100e5fc 100644
--- a/src/rollup/types.d.ts
+++ b/src/rollup/types.d.ts
@@ -254,9 +254,9 @@ export interface Plugin {
 }
 
 export interface TreeshakingOptions {
-	annotations: boolean;
-	propertyReadSideEffects: boolean;
-	pureExternalModules: boolean;
+	annotations?: boolean;
+	propertyReadSideEffects?: boolean;
+	pureExternalModules?: boolean;
 }
 
 export type ExternalOption = string[] | IsExternal;