Function installPrintRefreshForDocument

src/code_embed.ts:408–435

(doc: Document, docWindow: Window, plugin: CodeSpacePlugin)

}

function installPrintRefreshForDocument(doc: Document, docWindow: Window, plugin: CodeSpacePlugin) {
	if (embedPrintRefreshByDoc.has(doc)) return;

	const refresh = () => {
		ensureCodeSpaceStylesInDocument(doc, plugin);
		queueAllCodeEmbedsInDocument(doc, docWindow, plugin);
	};

	docWindow.addEventListener("beforeprint", refresh);

	const mediaQuery = typeof docWindow.matchMedia === "function" ? docWindow.matchMedia("print") : null;
	const onMediaChange = (event: MediaQueryListEvent) => {
		if (event.matches) {
			refresh();
		}
	};

	if (mediaQuery) {
		mediaQuery.addEventListener("change", onMediaChange);
	}

	embedPrintRefreshByDoc.set(doc, () => {
		docWindow.removeEventListener("beforeprint", refresh);
		if (!mediaQuery) return;

		mediaQuery.removeEventListener("change", onMediaChange);
	});
}

function ensureCodeSpaceStylesInDocument(targetDoc: Document, plugin: CodeSpacePlugin) {
	applyEmbedCssVariables(targetDoc, plugin);