feat(compiler-sfc): compileScript parseOnly mode

This is an internal feature meant for IDE support

packages/compiler-sfc/src/parse.ts

@@ -42,6 +42,25 @@ export interface SFCScriptBlock extends SFCBlock {
   bindings?: BindingMetadata
   scriptAst?: Statement[]
   scriptSetupAst?: Statement[]
+  ranges?: ScriptSetupTextRanges
+}
+
+/**
+ * Text range data for IDE support
+ */
+export interface ScriptSetupTextRanges {
+  scriptBindings: TextRange[]
+  scriptSetupBindings: TextRange[]
+  propsTypeArg?: TextRange
+  propsRuntimeArg?: TextRange
+  emitsTypeArg?: TextRange
+  emitsRuntimeArg?: TextRange
+  withDefaultsArg?: TextRange
+}
+
+export interface TextRange {
+  start: number
+  end: number
 }
 
 export interface SFCStyleBlock extends SFCBlock {