Via NPR, Ginsburg — who has died of cancer at 87 — dictated a statement days ago, as she knew she was dying: My most fervent wish is that I will not be replaced until a new president is installed.
Her impending death must have reached Trump's ears; this is why he randomly put forth his list of SCOTUS potentials, one of whom baldly proclaimed Roe v Wade would be eliminated, and the other of whom was first-class asshole Ted Cruz.
Look, her spot can be filled, full-stop, and will, possibly post-Election Day, pre-Inauguration Day. She could've retired under Obama, but probably assumed a woman, Hillary, would replace her, and liked that idea.