import type {Action} from "svelte/action"
import {readonly, writable} from "svelte/store"

const setCanShare = writable(false)
export const canShare = readonly(setCanShare)

let shareCallback: ((event: Event) => void) | undefined
export function triggerShare(event: Event) {
  shareCallback?.(event)
}

export const share: Action<Window, (event: Event) => void> = (node, callback: (event: Event) => void) => {
  setCanShare.set(true)
  shareCallback = callback

  return {
    destroy() {
      setCanShare.set(false)
      shareCallback = undefined
    },
  }
}