fix(compiler-sfc): infer TSIntersectionType

sxzz · sxzz · commit a3721e1a30cf · 2023-03-28T13:20:23.000+08:00
fix #4294 (comment)
diff --git a/packages/compiler-sfc/src/compileScript.ts b/packages/compiler-sfc/src/compileScript.ts
@@ -2069,15 +2069,14 @@ function inferRuntimeType(
     case 'TSParenthesizedType':
       return inferRuntimeType(node.typeAnnotation, declaredTypes)
     case 'TSUnionType':
+    case 'TSIntersectionType':
       return [
         ...new Set(
           [].concat(
             ...(node.types.map(t => inferRuntimeType(t, declaredTypes)) as any)
           )
         )
       ]
-    case 'TSIntersectionType':
-      return ['Object']
 
     case 'TSSymbolKeyword':
       return ['Symbol']

Original file line number	Diff line number	Diff line change
`@@ -2069,15 +2069,14 @@ function inferRuntimeType(`
`2069`	`2069`	`case 'TSParenthesizedType':`
`2070`	`2070`	`return inferRuntimeType(node.typeAnnotation, declaredTypes)`
`2071`	`2071`	`case 'TSUnionType':`
	`2072`	`+ case 'TSIntersectionType':`
`2072`	`2073`	`return [`
`2073`	`2074`	`...new Set(`
`2074`	`2075`	`[].concat(`
`2075`	`2076`	`...(node.types.map(t => inferRuntimeType(t, declaredTypes)) as any)`
`2076`	`2077`	`)`
`2077`	`2078`	`)`
`2078`	`2079`	`]`
`2079`		`- case 'TSIntersectionType':`
`2080`		`- return ['Object']`
`2081`	`2080`
`2082`	`2081`	`case 'TSSymbolKeyword':`
`2083`	`2082`	`return ['Symbol']`