fix: update config to handle stories.tsx (#139)

.storybook/webpack.config.js

@@ -13,8 +13,8 @@ module.exports = ({ config }) => {
   config.resolve.extensions.push('.ts', '.tsx');
 
   config.module.rules.push({
-    test: /stories.js$/u,
-    loaders: [require.resolve('@storybook/addon-storysource/loader')],
+    test: /stories.tsx$/u,
+    loader: require.resolve('@storybook/source-loader'),
     enforce: 'pre'
   });
 
@@ -39,6 +39,10 @@ module.exports = ({ config }) => {
       {
         loader: 'ts-loader',
         options: {
+          // Temporarily ignore implicit any warnings caused by source-loader.
+          // Ignoring 7005 can be removed when the GitHub issue is resolved.
+          // See: https://github.com/storybookjs/storybook/issues/7829
+          ignoreDiagnostics: [7005],
           configFile: path.resolve(__dirname, 'tsconfig.storybook.json')
         }
       }