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elk/composables/web-share-target.ts

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export function useWebShareTarget(listener?: (message: MessageEvent) => void) {
if (process.server)
return
onBeforeMount(() => {
// PWA must be installed to use share target
if (useNuxtApp().$pwa.isInstalled && 'serviceWorker' in navigator) {
if (listener)
navigator.serviceWorker.addEventListener('message', listener)
navigator.serviceWorker.getRegistration()
.then((registration) => {
if (registration && registration.active) {
// we need to signal the service worker that we are ready to receive data
registration.active.postMessage({ action: 'ready-to-receive' })
}
})
.catch(err => console.error('Could not get registration', err))
if (listener)
onBeforeUnmount(() => navigator.serviceWorker.removeEventListener('message', listener))
}
})
}