windowEach
Signature - source.ts#L3342
function windowEach(
getWindowClosingSource: <T>(currentWindow: Source<T>) => Source<unknown>,
): <T>(source: Source<T>) => Source<Source<T>>
function windowEach<T>(
getWindowClosingSource: (currentWindow: Source<T>) => Source<unknown>,
): (source: Source<T>) => Source<Source<T>>