refactor: collect components during codegen

Author: KazariEX

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

@@ -206,7 +206,7 @@ function* generateBindings(
 	}
 
 	const usageVars = new Set([
-		...options.sfc.template?.ast?.components.flatMap(c => [camelize(c), capitalize(camelize(c))]) ?? [],
+		...options.templateCodegen?.components.flatMap(c => [camelize(c), capitalize(camelize(c))]) ?? [],
 		...options.templateCodegen?.accessExternalVariables.keys() ?? [],
 		...templateCodegenCtx.accessExternalVariables.keys(),
 	]);

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

@@ -211,6 +211,7 @@ export function createTemplateCodegenContext(
 		bindingAttrLocs,
 		inheritedAttrVars,
 		templateRefs,
+		components: [] as string[],
 		currentComponent: undefined as {
 			get ctxVar(): string;
 			get propsVar(): string;

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

@@ -39,6 +39,7 @@ export function* generateComponent(
 
 	let isCtxVarUsed = false;
 	let isPropsVarUsed = false;
+	ctx.components.push(node.tag);
 	ctx.currentComponent = {
 		get ctxVar() {
 			isCtxVarUsed = true;

packages/language-core/lib/template/compile.ts

@@ -1,5 +1,4 @@
 import { type CompilerOptions, getBaseTransformPreset, parse, transform } from '@vue/compiler-dom';
-import { transformElement } from './transforms/transformElement';
 import { transformText } from './transforms/transformText';
 import { transformFor } from './transforms/vFor';
 import { transformIf } from './transforms/vIf';
@@ -13,7 +12,6 @@ export function compileTemplate(source: string, options: CompilerOptions) {
 			nodeTransforms[0]!, // transformVBindShorthand
 			transformIf,
 			transformFor,
-			transformElement,
 			transformText,
 			...options.nodeTransforms || [],
 		],