Function beginNativeExportSession

src/native_pdf_export_patch.ts:384–483

(
	plugin: CodeSpacePlugin,
	sourceFile: TFile,
	fallbackMarkdown: string,
	ownerDoc: Document,
	knownModals: Set<HTMLElement>
)

}

function beginNativeExportSession(
	plugin: CodeSpacePlugin,
	sourceFile: TFile,
	fallbackMarkdown: string,
	ownerDoc: Document,
	knownModals: Set<HTMLElement>
): () => void {
	cleanupActiveNativeExportSession();

	const docWindow = ownerDoc.defaultView ?? window;
	const body = ownerDoc.body;
	if (!body) {
		return () => undefined;
	}

	const session: NativeExportSession = {
		id: ++nativeExportSessionCounter,
		sourceFile,
		ownerDoc,
		ownerWindow: docWindow,
		fallbackMarkdown,
		knownModals,
		trackedModals: new Set<HTMLElement>(),
		sawTrackedModal: false,
		observer: null,
		timeoutId: null,
		restoreWindowOpen: null,
		popupCleanups: new Set<() => void>(),
		lastPopupScanSignature: null,
		cachedReadHits: 0,
		replacementAttempts: 0,
		replacementSuccesses: 0,
		popupOpened: false,
		cleanup: () => undefined,
	};

	const cleanup = () => {
		if (activeNativeExportSession !== session) {
			return;
		}

		session.observer?.disconnect();
		if (session.timeoutId !== null) {
			docWindow.clearTimeout(session.timeoutId);
		}
		for (const popupCleanup of Array.from(session.popupCleanups)) {
			popupCleanup();
		}
		session.restoreWindowOpen?.();
		debugNativePdf(session, "cleaning up native export session", {
			cachedReadHits: session.cachedReadHits,
			replacementAttempts: session.replacementAttempts,
			replacementSuccesses: session.replacementSuccesses,
			trackedModalCount: session.trackedModals.size,
		});
		activeNativeExportSession = null;
	};