feat(compiler-core): support Suspense in templates

packages/compiler-core/src/ast.ts

@@ -50,7 +50,8 @@ export const enum ElementTypes {
   COMPONENT,
   SLOT,
   TEMPLATE,
-  PORTAL
+  PORTAL,
+  SUSPENSE
 }
 
 export interface Node {
@@ -101,6 +102,7 @@ export type ElementNode =
   | SlotOutletNode
   | TemplateNode
   | PortalNode
+  | SuspenseNode
 
 export interface BaseElementNode extends Node {
   type: NodeTypes.ELEMENT
@@ -141,6 +143,11 @@ export interface PortalNode extends BaseElementNode {
   codegenNode: ElementCodegenNode | undefined
 }
 
+export interface SuspenseNode extends BaseElementNode {
+  tagType: ElementTypes.SUSPENSE
+  codegenNode: ElementCodegenNode | undefined
+}
+
 export interface TextNode extends Node {
   type: NodeTypes.TEXT
   content: string