From 31ddd01c073107a2970f5af7f3c19a97a99b7b20 Mon Sep 17 00:00:00 2001
From: Dan Dean <dandean@simple.com>
Date: Mon, 5 Nov 2018 12:11:22 -0800
Subject: [PATCH] Fix the signaure of @storybook/react .add() method

The `add` method takes an optional 3rd `paramters` option which
is used to configure globally installed addons for the current
story.
---
 types/storybook__react/index.d.ts                 | 3 ++-
 types/storybook__react/storybook__react-tests.tsx | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/types/storybook__react/index.d.ts b/types/storybook__react/index.d.ts
index 3aa3445f61..91b686ffcf 100644
--- a/types/storybook__react/index.d.ts
+++ b/types/storybook__react/index.d.ts
@@ -2,6 +2,7 @@
 // Project: https://github.com/storybooks/storybook
 // Definitions by: Joscha Feth <https://github.com/joscha>
 //                 Anton Izmailov <https://github.com/wapgear>
+//                 Dan Dean <https://github.com/dandean>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.8
 
@@ -16,7 +17,7 @@ export type StoryDecorator = (story: RenderFunction, context: { kind: string, st
 
 export interface Story {
     readonly kind: string;
-    add(storyName: string, callback: RenderFunction): this;
+    add(storyName: string, callback: RenderFunction, parameters?: { [key: string]: any }): this;
     addDecorator(decorator: StoryDecorator): this;
 }
 
diff --git a/types/storybook__react/storybook__react-tests.tsx b/types/storybook__react/storybook__react-tests.tsx
index 12edecb219..ba19df798e 100644
--- a/types/storybook__react/storybook__react-tests.tsx
+++ b/types/storybook__react/storybook__react-tests.tsx
@@ -30,6 +30,7 @@ storiesOf<AnyAddon>('withAnyAddon', module)
     .addWithSideEffect('more', () => <div/>)
     .add('another story', () => <div/>)
     .add('to Storybook as Array', () => [<div />, <div />])
+    .add('and a story with additional parameters', () => <div/>, { parameter: 'foo' })
     .addWithSideEffect('even more', () => <div/>);
 
 // configure