```js
// Button.stories.js

import Button from './Button.svelte';

export default {
  /* 👇 The title prop is optional.
  * See https://storybook.js.org/docs/svelte/configure/overview#configure-story-loading
  * to learn how to generate automatic titles
  */
  title: 'Button',
  component: Button,
};

//👇 We create a “template” of how args map to rendering
const Template = (args) => ({
  Component: Button,
  props: args,
});

//👇 Each story then reuses that template
export const Primary = Template.bind({});
Primary.args = { background: '#ff0', label: 'Button' };

export const Secondary = Template.bind({});
Secondary.args = { ...Primary.args, label: '😄👍😍💯' };

export const Tertiary = Template.bind({});
Tertiary.args = { ...Primary.args, label: '📚📕📈🤓' };
```