asset path and iframe setting

src/lib/assetUrl.js

@@ -0,0 +1,62 @@
+/**
+ * Vite base, e.g. "/citpl_website/" in production and "/" in local dev.
+ */
+export const ASSET_BASE = (import.meta.env.BASE_URL || '/').endsWith('/')
+  ? (import.meta.env.BASE_URL || '/')
+  : `${import.meta.env.BASE_URL || ''}/`;
+
+/**
+ * Resolve content/seed asset paths for subdirectory deploys.
+ * "/assets/foo.svg" → "/citpl_website/assets/foo.svg" in prod
+ */
+export function assetUrl(path) {
+  if (!path || typeof path !== 'string') return path;
+
+  if (/^(data:|blob:)/i.test(path)) return path;
+
+  // Absolute URL wrongly pointing at domain-root /assets or /uploads
+  if (/^https?:\/\//i.test(path)) {
+    try {
+      const u = new URL(path);
+      if (u.pathname.startsWith('/assets/') || u.pathname.startsWith('/uploads/')) {
+        const prefix = ASSET_BASE.replace(/\/$/, '');
+        if (!u.pathname.startsWith(`${prefix}/`)) {
+          u.pathname = `${prefix}${u.pathname}`;
+          return u.href;
+        }
+      }
+      return path;
+    } catch {
+      return path;
+    }
+  }
+
+  const prefix = ASSET_BASE.replace(/\/$/, '');
+
+  // Already under the site base
+  if (prefix && (path === prefix || path.startsWith(`${prefix}/`))) {
+    return path;
+  }
+
+  if (path.startsWith('/assets/') || path.startsWith('/uploads/')) {
+    return `${prefix}${path}`;
+  }
+
+  if (path.startsWith('assets/') || path.startsWith('uploads/')) {
+    return `${ASSET_BASE}${path}`;
+  }
+
+  return path;
+}
+
+/** Recursively rewrite asset strings inside content JSON. */
+export function prefixAssets(obj) {
+  if (typeof obj === 'string') return assetUrl(obj);
+  if (Array.isArray(obj)) return obj.map(prefixAssets);
+  if (obj && typeof obj === 'object') {
+    const out = {};
+    for (const k in obj) out[k] = prefixAssets(obj[k]);
+    return out;
+  }
+  return obj;
+}