Add reference to webpack types

code/addons/a11y/src/index.ts

@@ -1,3 +1,5 @@
+/// <reference types="webpack-env" />
+
 import type { AnyFramework, DecoratorFunction } from '@storybook/csf';
 import deprecate from 'util-deprecate';
 import { dedent } from 'ts-dedent';

code/addons/actions/src/index.ts

@@ -1,3 +1,5 @@
+/// <reference types="webpack-env" />
+
 export * from './constants';
 export * from './models';
 export * from './preview';

code/addons/backgrounds/src/index.ts

@@ -1,3 +1,5 @@
+/// <reference types="webpack-env" />
+
 if (module && module.hot && module.hot.decline) {
   module.hot.decline();
 }

code/addons/jest/src/index.ts

@@ -1,3 +1,5 @@
+/// <reference types="webpack-env" />
+
 import { addons } from '@storybook/addons';
 import { normalize, sep } from 'upath';
 import { ADD_TESTS, defineJestParameter } from './shared';

code/addons/links/src/index.ts

@@ -1,3 +1,5 @@
+/// <reference types="webpack-env" />
+
 import { dedent } from 'ts-dedent';
 
 let hasWarned = false;

code/addons/measure/src/index.ts

@@ -1,3 +1,5 @@
+/// <reference types="webpack-env" />
+
 if (module && module.hot && module.hot.decline) {
   module.hot.decline();
 }

code/addons/outline/src/index.ts

@@ -1,3 +1,5 @@
+/// <reference types="webpack-env" />
+
 if (module && module.hot && module.hot.decline) {
   module.hot.decline();
 }

code/addons/storysource/src/index.ts

@@ -1,3 +1,5 @@
+/// <reference types="webpack-env" />
+
 import { ADDON_ID, PANEL_ID } from './events';
 
 export { ADDON_ID, PANEL_ID };