tabler/shared/ui/SwitchIcon.astro

---
import Icon from './Icon.astro'

/** core/scss/ui/_switch-icon.scss `.switch-icon-{variant}` transition classes */
type SwitchIconVariant = 'fade' | 'scale' | 'flip' | 'slide-up' | 'slide-down' | 'slide-left' | 'slide-right' | 'slide-start' | 'slide-end'

interface Props {
  icon?: string
  /** text-{activeColor} on the switched-on icon */
  activeColor?: string
  variant?: SwitchIconVariant | undefined
  class?: string
  /** remaining attributes (id, data-*, aria-*, …) are forwarded to the root element */
  [key: string]: unknown
}

const { icon = 'heart', activeColor = 'red', variant, class: className, ...rest } = Astro.props

// star/heart force the filled variant; otherwise no extra class.
const resolvedIconBClass = icon === 'star' || icon === 'heart' ? 'icon-filled' : undefined

const buttonClass = ['switch-icon', variant && `switch-icon-${variant}`, className]
---

<button type="button" class:list={buttonClass} data-bs-toggle="switch-icon" aria-pressed="false" aria-label="Favorite" {...rest}>
  <span class="switch-icon-a text-muted">
    <Icon name={icon} />
  </span>
  <span class={`switch-icon-b text-${activeColor}`}>
    <Icon name={icon} class={resolvedIconBClass} />
  </span>
</button>