fix(language-core): fallthroughAttributes causes global components to be self-referential

close #4761

Author: johnsoncodehk

packages/language-core/lib/codegen/script/template.ts

@@ -102,16 +102,17 @@ export function* generateTemplateComponents(options: ScriptCodegenOptions): Gene
 	}
 
 	exps.push(`{} as NonNullable<typeof __VLS_internalComponent extends { components: infer C } ? C : {}>`);
-	exps.push(`{} as __VLS_GlobalComponents`);
 	exps.push(`__VLS_ctxBase`);
 
-	yield `const __VLS_components = {${newLine}`;
+	yield `const __VLS_localComponents = {${newLine}`;
 	for (const type of exps) {
 		yield `...`;
 		yield type;
 		yield `,${newLine}`;
 	}
 	yield `}${endOfLine}`;
+
+	yield `let __VLS_components: typeof __VLS_localComponents & __VLS_GlobalComponents${endOfLine}`;
 }
 
 export function* generateTemplate(

packages/language-core/lib/codegen/template/index.ts

@@ -125,7 +125,7 @@ export function* generateTemplate(options: TemplateCodegenOptions): Generator<Co
 					}
 					components.add(node.tag);
 					yield newLine;
-					yield ` & __VLS_WithComponent<'${getCanonicalComponentName(node.tag)}', typeof __VLS_components, `;
+					yield ` & __VLS_WithComponent<'${getCanonicalComponentName(node.tag)}', typeof __VLS_localComponents, `;
 					yield getPossibleOriginalComponentNames(node.tag, false)
 						.map(name => `"${name}"`)
 						.join(', ');