```js
// Button.stories.js

import Button from './Button.svelte';

export default {
  component: Button,
  //👇 Creates specific argTypes
  argTypes: {
    backgroundColor: { control: 'color' },
  },
};

//👇 Some function to demonstrate the behavior
const someFunction = (someValue) => {
  return `i am a ${someValue}`;
};

export const ExampleStory = {
  args: {
    primary: true,
    size: 'small',
    label: 'button',
  },
  render: (args) => {
    //👇 Destructure the label from the args object
    const { label } = args;

    //👇 Assigns the function result to a variable and pass it as a prop into the component
    const functionResult = someFunction(label);
    return {
      Component: Button,
      props: {
        ...args,
        label: functionResult,
      },
    };
  },
};
```