pinafore/src/routes/share.html

<!-- this is just used for the web share target API -->
<script>
  import { store } from './_store/store'
  import { goto } from '../../__sapper__/client'
  import { decodeURIComponentWithPluses } from './_utils/decodeURIComponentWithPluses'

  const SHARE_KEYS = ['title', 'text', 'url']

  export default {
    store: () => store,
    oncreate () {
      const params = new URLSearchParams(location.search)

      const text = SHARE_KEYS
        .map(key => params.get(key) && decodeURIComponentWithPluses(params.get(key)))
        .filter(Boolean)
        .join(' ')

      this.store.set({ openShareDialog: true })
      this.store.clearComposeData('dialog')
      this.store.setComposeData('dialog', { text })
      this.store.save()

      goto('/', { replaceState: true })
    }
  }
</script>