web/src/components/ui/button.tsx

import * as React from 'react'
import {merge} from '@/lib/utils'
import {cva} from 'class-variance-authority'

const buttonVariants = cva(
  'inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0',
  {
    variants: {
      variant: {
        default:
          'bg-primary text-primary-foreground shadow hover:bg-primary/90',
        destructive:
          'bg-fail text-fail-foreground shadow-sm hover:bg-destructive/90',
        outline:
          'border border-input shadow-sm hover:bg-secondary hover:text-secondary-foreground bg-card',
        secondary:
          'bg-secondary text-secondary-foreground shadow-sm hover:bg-secondary/80',
        ghost: 'hover:bg-secondary hover:text-secondary-foreground',
        link: 'text-primary underline-offset-4 hover:underline',
      },
      size: {
        default: 'h-9 px-4 py-2',
        sm: 'h-8 rounded-md px-3 text-xs',
        lg: 'h-10 rounded-md px-8',
        icon: 'h-9 w-9',
      },
    },
    defaultVariants: {
      variant: 'default',
      size: 'default',
    },
  },
)

type ButtonProps = React.ComponentProps<'button'> & {
  theme?: 'default' | 'outline' | 'gradient' | 'error' | 'accent' | 'ghost'
}

function Button(rawProps: ButtonProps) {
  const {className, theme, ...props} = rawProps
  return (
    <button
      {...props}
      className={merge(
        `transition-all duration-200 ease-in-out`,
        `h-10 px-4 rounded-md cursor-pointer`,
        'whitespace-nowrap',
        'inline-flex items-center justify-center gap-2',
        'disabled:pointer-events-none disabled:opacity-50 ',
        '[&_svg]:pointer-events-none [&_svg:not([class*=\'size-\'])]:size-4 shrink-0 [&_svg]:shrink-0 ',
        'outline-none focus-visible:ring-4 ring-blue-200',
        'aria-invalid:ring-fail/20 dark:aria-invalid:ring-fail/40 aria-invalid:border-fail',
        {
          gradient: 'bg-gradient-to-r from-blue-400 to-cyan-300 text-white ring-offset-2',
          default: 'bg-primary text-primary-foreground hover:bg-primary/90',
          accent: 'bg-accent text-accent-foreground hover:bg-accent/90',
          error: 'bg-fail text-white hover:bg-fail/90',
          outline: 'border bg-background hover:bg-secondary hover:text-secondary-foreground dark:bg-input/30 dark:border-input dark:hover:bg-input/50',
          ghost: 'text-foreground hover:bg-muted',
        }[theme ?? 'default'],
        className,
      )}
    />
  )
}

export {Button, buttonVariants}