fix: Handle base64 and remote images when creating a file (#5740)

server/utils/parseImages.ts

@@ -1,17 +1,29 @@
 import { Node } from "prosemirror-model";
 import { parser } from "@server/editor";
 
-export default function parseImages(text: string): string[] {
+type ImageProps = { src: string; alt: string };
+
+/**
+ * Parses a string of markdown and returns a list of images.
+ *
+ * @param text The markdown to parse
+ * @returns A unique list of images
+ */
+export default function parseImages(text: string): ImageProps[] {
   const doc = parser.parse(text);
-  const images: string[] = [];
+  const images = new Map<string, ImageProps>();
+
   if (!doc) {
-    return images;
+    return [];
   }
 
   doc.descendants((node: Node) => {
     if (node.type.name === "image") {
-      if (!images.includes(node.attrs.src)) {
-        images.push(node.attrs.src);
+      if (!images.has(node.attrs.src)) {
+        images.set(node.attrs.src, {
+          src: node.attrs.src,
+          alt: node.attrs.alt,
+        });
       }
 
       return false;
@@ -24,5 +36,5 @@ export default function parseImages(text: string): string[] {
     return true;
   });
 
-  return images;
+  return Array.from(images.values());
 }