From 17aa92b79b31d8bb8b5873ddc599420cb9806db8 Mon Sep 17 00:00:00 2001
From: Yuchao <yuchao.sydneyuni@gmail.com>
Date: Fri, 10 Nov 2023 17:23:54 +1100
Subject: [PATCH] fix(types): allow falsy value types in `StyleValue` (#7954)

close #7955
---
 packages/dts-test/tsx.test-d.tsx | 27 +++++++++++++++++++++++++++
 packages/runtime-dom/src/jsx.ts  |  2 +-
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/packages/dts-test/tsx.test-d.tsx b/packages/dts-test/tsx.test-d.tsx
index 04915a9673f..47555a03c0b 100644
--- a/packages/dts-test/tsx.test-d.tsx
+++ b/packages/dts-test/tsx.test-d.tsx
@@ -17,6 +17,33 @@ expectType<JSX.Element>(
   <div style={[{ color: 'red' }, [{ fontSize: '1em' }]]} />
 )
 
+// #7955
+expectType<JSX.Element>(
+  <div style={[undefined, '', null, false]} />
+)
+
+expectType<JSX.Element>(
+  <div style={undefined} />
+)
+
+expectType<JSX.Element>(
+  <div style={null} />
+)
+
+expectType<JSX.Element>(
+  <div style={''} />
+)
+
+expectType<JSX.Element>(
+  <div style={false} />
+)
+
+// @ts-expect-error
+;<div style={[0]} />
+
+// @ts-expect-error
+;<div style={0} />
+
 // @ts-expect-error unknown prop
 ;<div foo="bar" />
 
diff --git a/packages/runtime-dom/src/jsx.ts b/packages/runtime-dom/src/jsx.ts
index 7769418653e..3ab2de8b772 100644
--- a/packages/runtime-dom/src/jsx.ts
+++ b/packages/runtime-dom/src/jsx.ts
@@ -244,7 +244,7 @@ interface AriaAttributes {
 }
 
 // Vue's style normalization supports nested arrays
-export type StyleValue = string | CSSProperties | Array<StyleValue>
+export type StyleValue = false | null | undefined | string | CSSProperties | Array<StyleValue>
 
 export interface HTMLAttributes extends AriaAttributes, EventHandlers<Events> {
   innerHTML?: string