Capture UI Theme change events

InDesign
,
7

I have also been looking for a solution to this problem. »document« has an additional property theme:

document.theme.onUpdated.addListener((theme) => {
	console.log(theme);
	const themeElemList = document.querySelectorAll("sp-theme");
	themeElemList.forEach((elem) => {
		elem.setAttribute("color", theme);
	});
  });

Must test it in more detail but so far it seems to work.

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