feat(markdown): preserve image width/height attribute

src/services/export/markdown.spec.ts

@@ -250,4 +250,22 @@ describe("Markdown export", () => {
         expect(markdownExportService.toMarkdown(html)).toBe(expected);
     });
 
+    it("converts image if it has no custom properties", () => {
+        const html = /*html*/`<p><img src="Include Note_image.png"></p>`;
+        const expected = `![](Include%20Note_image.png)`;
+        expect(markdownExportService.toMarkdown(html)).toBe(expected);
+    });
+
+    it("preserves image verbatim if it has a width or height attribute", () => {
+        const scenarios = [
+            `<img src="Include Note_image.png" width="16" height="16">`,
+            `<img src="Include Note_image.png" width="16">`,
+            `<img src="Include Note_image.png" height="16">`
+        ];
+        for (const expected of scenarios) {
+            const html = /*html*/`<p>${expected}</p>`;
+            expect(markdownExportService.toMarkdown(html)).toBe(expected);
+        }
+    });
+
 });

src/services/export/markdown.ts

@@ -97,7 +97,15 @@ function buildImageFilter() {
 
     const imageFilter: TurndownService.Rule = {
         filter: "img",
-        replacement(content, node) {
+        replacement(content, _node) {
+            const node = _node as HTMLElement;
+
+            // Preserve image verbatim if it has a width or height attribute.
+            if (node.hasAttribute("width") || node.hasAttribute("height")) {
+                return node.outerHTML;
+            }
+
+            // TODO: Deduplicate with upstream.
             const untypedNode = (node as any);
             const alt = escapeMarkdown(cleanAttribute(untypedNode.getAttribute('alt')))
             const src = escapeLinkDestination(untypedNode.getAttribute('src') || '')