sveltekit-flash-message

Send temporary data to the next request after redirect. Works with both SSR and client.

http-post-message

A generic messaging component to send HTTP style message payloads over the window.postMessage API. Requires an implementation of window postMessage proxy such as 'window-post-message-proxy'.

window-post-message-proxy

A library used in place of the native window.postMessage which when used on both the sending and receiving windows allow for a nicer asynchronouse promise messaging between the windows