refactor: expose portable source record protocols

server/providers/cctv/normalize.js

@@ -1,3 +1,8 @@
+import {
+  normalizeFeedType,
+  isVideoFeedType,
+} from '../../../src/sources/cctvTypes.js';
+export { normalizeFeedType, isVideoFeedType };
 import { directionToHeading } from '../../../src/data/directionText.js';
 import { haversineKm } from '../common/geo.js';
 /**
@@ -31,35 +36,6 @@ export function escapeXml(text) {
     .replace(/'/g, ''');
 }
 
-/**
- * Canonicalize a CCTV feed type string to one of:
- * 'image', 'mjpeg', 'mp4', 'webm', 'hls', or pass-through.
- *
- * @param {string} value - Raw feed type (e.g. 'jpeg', 'mjpg', 'video', 'stream').
- * @returns {string} Normalized feed type.
- */
-export function normalizeFeedType(value) {
-  const raw = String(value || '')
-    .trim()
-    .toLowerCase();
-  if (!raw) return 'image';
-  if (raw === 'jpeg' || raw === 'jpg' || raw === 'png') return 'image';
-  if (raw === 'mjpg') return 'mjpeg';
-  if (raw === 'video') return 'mp4';
-  if (raw === 'stream') return 'hls';
-  return raw;
-}
-
-/**
- * Check whether a normalized feed type represents streaming video.
- *
- * @param {string} feedType
- * @returns {boolean}
- */
-export function isVideoFeedType(feedType) {
-  return feedType === 'mp4' || feedType === 'webm' || feedType === 'hls';
-}
-
 /**
  * Coerce a value to a finite number, returning fallback if NaN/Infinity.
  *