```ts
// Button.stories.ts

import Button from './Button.vue';

import { Meta, StoryFn } from '@storybook/vue3';

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

//👇 We create a “template” of how args map to rendering
const Template: StoryFn<typeof Button> = (args) => ({
  components: { Button },
  setup() {
    return { args };
  },
  template: '<Button v-bind="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: '📚📕📈🤓' };
```