storybook/docs/snippets/react/nextjs-router-push-override-in-preview.js.mdx

```js
// .storybook/preview.js

export default {
  // ...
  parameters: {
    // ...
    nextjs: {
      router: {
        push(...args) {
          // Custom logic can go here
          // This logs to the Actions panel
          action('nextRouter.push')(...args);
          // Return whatever you want here
          return Promise.resolve(true);
        },
      },
    },
  },
};
```