messageSW

Function workbox-window

messageSW(sw: ServiceWorker, data: any): Promise<unknown>

Sends a data object to a service worker via postMessage and resolves with a response (if any).

A response can be set in a message handler in the service worker by calling event.ports[0].postMessage(...), which will resolve the promise returned by messageSW(). If no response is set, the promise will not resolve.

Parameters

• sw – The service worker to send the message to.

• data – An object to send to the service worker.

Returns: