fix: type for @storybook/react@v4.0.0-alpha

Author: foryuki

examples/tsconfig.json

@@ -10,6 +10,7 @@
   },
   "include": [
     "stories",
+    "types",
     "../src"
   ],
   "exclude": [

examples/types/declarations.d.ts

@@ -0,0 +1,37 @@
+// Type definitions for @storybook/react 4.0.0-alpha
+/// <reference types="webpack-env" />
+
+import * as React from 'react'
+
+import { Options } from '@storybook/addon-info'
+
+declare module '@storybook/react' {
+  export interface Story {
+    readonly kind: string
+    add(
+      storyName: string,
+      callback: RenderFunction,
+      options?: { info: Options & { text?: string | React.ReactNode } }
+    ): this
+    addDecorator(decorator: StoryDecorator): this
+  }
+
+  export function addDecorator(decorator: StoryDecorator): void
+  export function configure(fn: () => void, module: NodeModule): void
+  export function setAddon(addon: object): void
+  export function storiesOf(name: string, module: NodeModule): Story
+  export function storiesOf<T>(name: string, module: NodeModule): Story & T
+  export function forceReRender(): void
+
+  export interface StoryObject {
+    name: string
+    render: RenderFunction
+  }
+
+  export interface StoryBucket {
+    kind: string
+    stories: StoryObject[]
+  }
+
+  export function getStorybook(): StoryBucket[]
+}