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src/components/map/Tile.tsx

@@ -1,11 +1,11 @@
 import react, { useEffect, useRef } from 'react';
 
 export interface TileProperties {
-  // The image's source URL
+  /** The image's source URL  */
   href: string;
-  // Its size
+  /** Its size  */
   size: number;
-  // A delay to add (for test/debug purposes)
+  /** A delay to add (for test/debug purposes)  */
   delay?: number;
 }
 
@@ -13,6 +13,10 @@ export interface TileProperties {
  *
  * @param props
  * @returns A tile
+ *
+ * Tile components are containers for images.
+ * They return an empty <g/> element immediately so that the rendering can proceed
+ * and append a, <image/> element whenever the image is loaded.
  */
 export const Tile: react.FC<TileProperties> = (props: TileProperties) => {
   const g = useRef<SVGGElement>(null);