fix: Trailing slash on exported markdown files

closes #6672

shared/utils/MarkdownHelper.test.ts

@@ -0,0 +1,18 @@
+import MarkdownHelper from "./MarkdownHelper";
+
+describe("#MarkdownHelper", () => {
+  it("should serialize title and text", () => {
+    expect(MarkdownHelper.toMarkdown({ title: "Title", text: "Test" })).toEqual(
+      "# Title\n\nTest"
+    );
+  });
+
+  it("should trim backslashes", () => {
+    expect(
+      MarkdownHelper.toMarkdown({
+        title: "Title",
+        text: "One\n\\\nTest\n\\",
+      })
+    ).toEqual("# Title\n\nOne\n\nTest");
+  });
+});

shared/utils/MarkdownHelper.ts

@@ -13,7 +13,7 @@ export default class MarkdownHelper {
    */
   static toMarkdown(document: DocumentInterface) {
     const text = document.text
-      .replace(/\n\\\n/g, "\n\n")
+      .replace(/\n\\(\n|$)/g, "\n\n")
       .replace(/“/g, '"')
       .replace(/”/g, '"')
       .replace(/‘/g, "'")