add @storybook/addon-actions

types/storybook__addon-actions/index.d.ts

@@ -0,0 +1,16 @@
+// Type definitions for @storybook/addon-actions 3.0
+// Project: https://github.com/storybooks/storybook
+// Definitions by: Joscha Feth <https://github.com/joscha>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.3
+
+// TODO: Once https://github.com/DefinitelyTyped/DefinitelyTyped/pull/17434 is merged
+// Remove the `declare module` wrapper.
+// tslint:disable-next-line no-single-declare-module
+declare module '@storybook/addon-actions' {
+  type HandlerFunction = (...args: any[]) => undefined;
+  type DecoratorFunction = (args: any[]) => any[];
+
+  function decorateAction(decorators: DecoratorFunction[]): HandlerFunction;
+  function action(name: string): HandlerFunction;
+}

types/storybook__addon-actions/storybook__addon-actions-tests.tsx

@@ -0,0 +1,19 @@
+import * as React from 'react';
+import { storiesOf } from '@storybook/react';
+import { action, decorateAction } from '@storybook/addon-actions';
+
+const firstArgAction = decorateAction([
+    args => args.slice(0, 1)
+]);
+
+storiesOf('Button', module)
+    .add('action', () => (
+        <button onClick={ action('my-action') }>
+          Hello World!
+        </button>
+    ))
+    .add('decorated action', () => (
+        <button onClick={ firstArgAction('button-click') }>
+          Hello World!
+        </button>
+    ));

types/storybook__addon-actions/tsconfig.json

@@ -0,0 +1,28 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "dom",
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "jsx": "react",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true,
+        "paths": {
+            "@storybook/addon-actions": ["storybook__addon-actions"],
+            "@storybook/react": ["storybook__react"]
+        }
+    },
+    "files": [
+        "index.d.ts",
+        "storybook__addon-actions-tests.tsx"
+    ]
+}

types/storybook__addon-actions/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }