feat: support $slots

close vuejs#539

Author: johnsoncodehk

packages/vscode-vue-languageservice/src/generators/template.ts

@@ -75,6 +75,7 @@ export function generate(
 		}>,
 	}> = {};
 	const tagResolves: Record<string, {
+		name: string,
 		baseProps: string,
 		props: string,
 		emit: string,
@@ -213,6 +214,7 @@ export function generate(
 		}
 
 		tagResolves[tag] = {
+			name: var_correctTagName,
 			baseProps: var_baseProps,
 			props: var_props,
 			emit: var_emit,
@@ -1119,7 +1121,7 @@ export function generate(
 					slotName = prop.arg.content;
 				}
 				const diagStart = tsCodeGen.getText().length;
-				tsCodeGen.addText(`__VLS_wrapComponents['' as __VLS_GetComponentName<typeof __VLS_wrapComponents, '${parentEl.tag}'>].__VLS_slots`);
+				tsCodeGen.addText(`({ ...__VLS_getTemplateSlots(__VLS_wrapComponents[${tagResolves[parentEl.tag].name}]), ...__VLS_getScriptSlots(__VLS_rawComponents[${tagResolves[parentEl.tag].name}])})`);
 				const argRange = prop.arg
 					? {
 						start: prop.arg.loc.start.offset,

packages/vscode-vue-languageservice/src/utils/globalDoc.ts

@@ -65,6 +65,9 @@ declare global {
 	function __VLS_directiveFunction<T>(dir: T): T extends ObjectDirective<infer E, infer V> ? V extends { value: infer V_2 } ? (value: V_2) => void : (value: V) => void
 		: T extends FunctionDirective<infer E, infer V> ? V extends { value: infer V_2 } ? (value: V_2) => void : (value: V) => void : T;
 
+	function __VLS_getTemplateSlots<T>(t: T): T extends { __VLS_slots: infer S } ? S : {};
+	function __VLS_getScriptSlots<T>(t: T): T extends new (...args: any) => { $slots?: infer S } ? (S extends object ? S : {}) : {};
+
 	type __VLS_GetComponentName<T, K extends string> = K extends keyof T ? IsAny<T[K]> extends false ? K : __VLS_GetComponentName_CamelCase<T, CamelCase<K>> : __VLS_GetComponentName_CamelCase<T, CamelCase<K>>;
 	type __VLS_GetComponentName_CamelCase<T, K extends string> = K extends keyof T ? IsAny<T[K]> extends false ? K : __VLS_GetComponentName_CapitalCase<T, Capitalize<K>> : __VLS_GetComponentName_CapitalCase<T, Capitalize<K>>;
 	type __VLS_GetComponentName_CapitalCase<T, K> = K extends keyof T ? K : never;