From e6b9ecda5ce62be9deff2da2c0703a6891f951b0 Mon Sep 17 00:00:00 2001
From: Elian Doran <contact@eliandoran.me>
Date: Sat, 5 Apr 2025 09:59:10 +0300
Subject: [PATCH] feat(import/markdown): import in-line math properly

---
 src/services/import/markdown.spec.ts | 2 +-
 src/services/import/markdown.ts      | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/services/import/markdown.spec.ts b/src/services/import/markdown.spec.ts
index ea98eca96..d2d8ea694 100644
--- a/src/services/import/markdown.spec.ts
+++ b/src/services/import/markdown.spec.ts
@@ -165,7 +165,7 @@ second line 2</code></pre><ul><li>Hello</li><li>world</li></ul><ol><li>Hello</li
 
     it("converts inline math expressions into Mathtex format", () => {
         const input = `The equation is\u00a0$e=mc^{2}$.`;
-        const expected = /*html*/`<p>The equation is&nbsp;<span class="math-tex">\(e=mc^{2}\)</span>.</p>`;
+        const expected = /*html*/`<p>The equation is&nbsp;<span class="math-tex">\\(e=mc^{2}\\)</span>.</p>`;
         expect(markdownService.renderToHtml(input, "Title")).toStrictEqual(expected);
     });
 
diff --git a/src/services/import/markdown.ts b/src/services/import/markdown.ts
index 1613c2f57..6cc46caec 100644
--- a/src/services/import/markdown.ts
+++ b/src/services/import/markdown.ts
@@ -18,6 +18,10 @@ class CustomMarkdownRenderer extends Renderer {
         text = text.replaceAll(/\$\$(.+)\$\$/g,
             `<span class="math-tex">\\\[$1\\\]</span>`);
 
+        // Inline math
+        text = text.replaceAll(/\$(.+)\$/g,
+            `<span class="math-tex">\\\($1\\\)</span>`);
+
         return text;
     }