fix(compiler-sfc): infer TSIntersectionType

sxzz · sxzz · commit 2c3087088db6 · 2023-02-01T23:16:35.000+08:00
fix #4294 (comment)
diff --git a/packages/compiler-sfc/src/compileScript.ts b/packages/compiler-sfc/src/compileScript.ts
@@ -1976,15 +1976,14 @@ 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
`@@ -1976,15 +1976,14 @@ function inferRuntimeType(`
`1976`	`1976`	`case 'TSParenthesizedType':`
`1977`	`1977`	`return inferRuntimeType(node.typeAnnotation, declaredTypes)`
`1978`	`1978`	`case 'TSUnionType':`
	`1979`	`+ case 'TSIntersectionType':`
`1979`	`1980`	`return [`
`1980`	`1981`	`...new Set(`
`1981`	`1982`	`[].concat(`
`1982`	`1983`	`...(node.types.map(t => inferRuntimeType(t, declaredTypes)) as any)`
`1983`	`1984`	`)`
`1984`	`1985`	`)`
`1985`	`1986`	`]`
`1986`		`- case 'TSIntersectionType':`
`1987`		`- return ['Object']`
`1988`	`1987`
`1989`	`1988`	`case 'TSSymbolKeyword':`
`1990`	`1989`	`return ['Symbol']`