fix(type): Allow undefined in StyleValue Array

close #7954
vuejs · Mar 25, 2023 · a791dd3 · a791dd3
1 parent cbc2733
commit a791dd3
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diff --git a/packages/dts-test/tsx.test-d.tsx b/packages/dts-test/tsx.test-d.tsx
@@ -15,6 +15,9 @@ expectType<JSX.Element>(<div style={[{ color: 'red' }]} />)
 expectType<JSX.Element>(
   <div style={[{ color: 'red' }, [{ fontSize: '1em' }]]} />
 )
+expectType<JSX.Element>(
+  <div style={[undefined, {background: 'green'}]} />
+)
 
 // @ts-expect-error unknown prop
 ;<div foo="bar" />

diff --git a/packages/runtime-dom/types/jsx.d.ts b/packages/runtime-dom/types/jsx.d.ts
@@ -235,7 +235,7 @@ interface AriaAttributes {
 }
 
 // Vue's style normalization supports nested arrays
-export type StyleValue = string | CSSProperties | Array<StyleValue>
+export type StyleValue = undefined | string | CSSProperties | Array<StyleValue>
 
 export interface HTMLAttributes extends AriaAttributes, EventHandlers<Events> {
   innerHTML?: string