From cf666ff34d073775e053dc95f06f2849889276c8 Mon Sep 17 00:00:00 2001
From: Seun Wale Lawal <35162819+seunss@users.noreply.github.com>
Date: Tue, 4 Feb 2025 16:36:16 -0500
Subject: [PATCH] Null .ToString (#1676)

---
 .changeset/old-dots-design.md                | 5 +++++
 packages/core/src/parsers/builder/builder.ts | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/old-dots-design.md

diff --git a/.changeset/old-dots-design.md b/.changeset/old-dots-design.md
new file mode 100644
index 0000000000..1347e3ada0
--- /dev/null
+++ b/.changeset/old-dots-design.md
@@ -0,0 +1,5 @@
+---
+'@builder.io/mitosis': patch
+---
+
+check for null string
diff --git a/packages/core/src/parsers/builder/builder.ts b/packages/core/src/parsers/builder/builder.ts
index 5e2ac93ab3..77c986a3cf 100644
--- a/packages/core/src/parsers/builder/builder.ts
+++ b/packages/core/src/parsers/builder/builder.ts
@@ -391,7 +391,7 @@ const componentMappers: {
            * If width if undefined, do not create a binding otherwise its JSX will
            * be <Column width={} /> which is not valid due to the empty expression.
            */
-          ...(col.width !== undefined && {
+          ...(col.width != null && {
             bindings: {
               width: { code: col.width.toString() },
             },