fix: support props type-checking for functional components with one p…

…arameter close #2686
vuejs · Apr 23, 2023 · 6b13f8f · 6b13f8f
1 parent 6d88299
commit 6b13f8f
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/packages/vue-language-core/src/generators/template.ts b/packages/vue-language-core/src/generators/template.ts
@@ -538,7 +538,7 @@ export function generate(
 			...createPropsCode(node, 'props', propsFailedExps),
 			'}',
 			['', 'template', startTagOffset + node.tag.length, capabilitiesPresets.diagnosticOnly], // diagnostic end
-			', {} as any);\n',
+			`, ...(await import('./__VLS_types')).functionalComponentArgsRest(${componentVar}));\n`,
 		);
 
 		if (node.tag !== 'template') {

diff --git a/packages/vue-language-core/src/utils/localTypes.ts b/packages/vue-language-core/src/utils/localTypes.ts
@@ -95,6 +95,7 @@ export declare function asFunctionalComponent<T, K = T extends new (...args: any
 	: T extends () => any ? (props: {}, ctx?: any) => ReturnType<T>
 	: T extends (...args: any) => any ? T
 	: (_: T & Record<string, unknown>, ctx?: any) => { __ctx?: { attrs?: unknown, expose?: unknown, slots?: unknown, emit?: unknown }, __props?: T & Record<string, unknown> }; // IntrinsicElement
+declare function functionalComponentArgsRest<T>(t: T): Parameters<T>['length'] extends 2 ? [any] : [];
 export declare function pickEvent<Emit, K, E>(emit: Emit, emitKey: K, event: E): FillingEventArg<
 	PickNotAny<
 		AsFunctionOrAny<NonNullable<E>>,