Remove relative path support

Author: KianNH

src/plugins/remark/validate-images.ts

@@ -23,27 +23,17 @@ export default function validateImages() {
 	return (tree: Node, file: VFile) => {
 		visit(tree, "image", (node: ImageNode) => {
 			const { url } = node;
-			let fullPath: string | null;
+			let fullPath: string;
 
-			// Skip remote images
-			if (url.startsWith("http:") || url.startsWith("https:")) {
-				return;
-			}
-
-			// Handle relative paths to assets
-			if (url.startsWith("../") || url.startsWith("~/assets/")) {
-				// Remove the ~/assets/ or ../ prefix and join with the assets directory
-				const relativePath = url.startsWith("~/") ? url.slice(9) : url;
-				fullPath = join(assetsDir, relativePath);
+			if (url.startsWith("~/assets/")) {
+				fullPath = join(assetsDir, url.slice(9));
 			} else if (url.startsWith("/")) {
-				// Handle absolute paths (public directory)
 				fullPath = join(publicDir, url);
 			} else {
-				// Skip if we don't know how to handle this URL
+				// Remote image or unrecognised URL
 				return;
 			}
 
-			// Check if the file exists
 			if (!existsSync(fullPath)) {
 				const position = node.position
 					? ` at line ${node.position.start.line}, column ${node.position.start.column}`