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path: root/web/js/nms-nightmode.js
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"use strict";

var nmsNightMode = nmsNightMode || {

}

var prefersColorSchemeMediaQuery = "(prefers-color-scheme: dark)";

nmsNightMode.toggle = function() {
	if (nms.nightMode) {
		console.log("nightmode already set, not following system (remove cookies & url param to re-enable system following)");
		return
	}

	var active = window.matchMedia(prefersColorSchemeMediaQuery).matches;
	nms.nightMode = active;
}

nmsNightMode.init = function() {
	var preferColorScheme = window.matchMedia(prefersColorSchemeMediaQuery);
	preferColorScheme.addListener(() => nmsNightMode.toggle());
	nmsNightMode.toggle(); // trigger initial
}