Jerry
48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
const CAD_VIEWER_ACTIVE_DIR_SESSION_STORAGE_KEY = "cad-viewer:active-dir:v1";
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function sessionStorageForWindow() {
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if (typeof window === "undefined") {
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return null;
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}
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try {
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return window.sessionStorage || null;
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} catch {
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return null;
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}
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}
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export function readStoredActiveCadDir() {
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const storage = sessionStorageForWindow();
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if (!storage) {
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return "";
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}
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try {
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return String(storage.getItem(CAD_VIEWER_ACTIVE_DIR_SESSION_STORAGE_KEY) || "").trim();
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} catch {
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return "";
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}
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}
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export function writeStoredActiveCadDir(activeDir) {
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const storage = sessionStorageForWindow();
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if (!storage) {
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return;
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}
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const normalizedDir = String(activeDir || "").trim();
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try {
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if (normalizedDir) {
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storage.setItem(CAD_VIEWER_ACTIVE_DIR_SESSION_STORAGE_KEY, normalizedDir);
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} else {
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storage.removeItem(CAD_VIEWER_ACTIVE_DIR_SESSION_STORAGE_KEY);
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}
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} catch {
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// Storage failures should not block Viewer navigation.
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}
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}
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export function rememberActiveCadDir(candidateDir) {
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const normalizedCandidate = String(candidateDir || "").trim();
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writeStoredActiveCadDir(normalizedCandidate);
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return normalizedCandidate;
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}
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