From 5489cf885455efc2406d7022eabafdd44f3bbdb0 Mon Sep 17 00:00:00 2001
From: Rowan Cockett <rowanc1@gmail.com>
Date: Sat, 12 Aug 2023 15:43:13 -0600
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Catch=20errors=20with=20typst=20?=
 =?UTF-8?q?conversion=20(#218)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .changeset/gorgeous-socks-sort.md |  5 +++++
 packages/myst-demo/src/index.tsx  | 16 +++++++++++++---
 2 files changed, 18 insertions(+), 3 deletions(-)
 create mode 100644 .changeset/gorgeous-socks-sort.md

diff --git a/.changeset/gorgeous-socks-sort.md b/.changeset/gorgeous-socks-sort.md
new file mode 100644
index 000000000..d7d0a66da
--- /dev/null
+++ b/.changeset/gorgeous-socks-sort.md
@@ -0,0 +1,5 @@
+---
+'myst-demo': patch
+---
+
+Catch errors with typst conversion
diff --git a/packages/myst-demo/src/index.tsx b/packages/myst-demo/src/index.tsx
index 40493a574..fbc2f104c 100644
--- a/packages/myst-demo/src/index.tsx
+++ b/packages/myst-demo/src/index.tsx
@@ -137,9 +137,19 @@ async function parse(
     .use(mystToTex, { references })
     .stringify(mdast as any, texFile).result as LatexResult;
   const typstFile = new VFile();
-  const typst = unified()
-    .use(mystToTypst)
-    .stringify(mdast as any, typstFile).result as TypstResult;
+  let typst: TypstResult;
+  try {
+    typst = unified()
+      .use(mystToTypst)
+      .stringify(mdast as any, typstFile).result as TypstResult;
+  } catch (error) {
+    console.error(error);
+    typst = {
+      value: `Problem with typst conversion: ${(error as Error).message || 'Unknown Error'}`,
+      macros: [],
+      commands: {},
+    };
+  }
   const jatsFile = new VFile();
   const jats: any = mystToJats
     ? unified()