chore: wip

fixtures/output/example-0001.d.ts

@@ -1,8 +1,8 @@
 import type { BunPlugin } from 'bun'
 import type { DtsGenerationConfig, DtsGenerationOption } from '@stacksjs/dtsx'
 import { generate } from '@stacksjs/dtsx'
-
 export declare const conf: { [key: string]: string };
+
 export declare const someObject: {
   someString: 'Stacks';
   someNumber: 1000;
@@ -29,45 +29,61 @@ export declare const someObject: {
     };
   };
 };
+
 export declare interface User {
   id: number
   name: string
   email: string
 }
+
 export declare interface ResponseData {
   success: boolean
   data: User[]
 }
+
 export declare function fetchUsers(): Promise<ResponseData>;
+
 export declare interface ApiResponse<T> {
   status: number
   message: string
   data: T
 }
+
 declare const settings: { [key: string]: any };
+
 export declare interface Product {
   id: number
   name: string
   price: number
 }
+
 export declare function getProduct(id: number): Promise<ApiResponse<Product>>;
+
 export declare interface AuthResponse {
   token: string
   expiresIn: number
 }
+
 export declare type AuthStatus = 'authenticated' | 'unauthenticated';
+
 export declare function authenticate(user: string, password: string): Promise<AuthResponse>;
+
 export declare const defaultHeaders: {
   'Content-Type': 'application/json';
 };
+
 export declare function dts(options?: DtsGenerationOption): BunPlugin;
+
 declare interface Options<T> {
   name: string
   cwd?: string
   defaultConfig: T
 }
+
 export declare function loadConfig<T extends Record<string, unknown>>({ name, cwd, defaultConfig }: Options<T>): Promise<T>;
+
 declare const dtsConfig: DtsGenerationConfig;
+
 export { generate, dtsConfig }
 export type { DtsGenerationOption }
 export declare interface ComplexGeneric<T extends Record<string, unknown>, K extends keyof T> {
@@ -77,6 +93,7 @@ export declare interface ComplexGeneric<T extends Record<string, unknown>, K ext
   transform: (input: T[K]) => string
   nested: Array<Partial<T>>
 }
+
 export declare type ComplexUnionIntersection = 
   | (User & { role: 'admin' })
   | (Product & { category: string })

src/extract.ts

@@ -2133,14 +2133,31 @@ function formatOutput(state: ProcessingState): string {
   // Process imports
   const imports = state.imports.join('\n').trim()
   if (imports) {
-    sections.push(imports)
+    sections.push(`${imports}\n`) // Add extra newline after imports
   }
 
-  // Process declarations (excluding exports)
-  const declarations = state.dtsLines
+  // Process declarations with proper spacing
+  const declarationLines = state.dtsLines
     .filter(line => !line.startsWith('export *') && !line.startsWith('export { config }'))
+
+  // Group declarations and add spacing
+  const declarations = declarationLines
+    .reduce((acc: string[], line: string) => {
+      if (line.trim()) {
+        acc.push(line)
+        // Add newline after declaration statements
+        if (
+          line.match(/^export\s+declare\s+(const|interface|function|type|class|enum|namespace|module|global|abstract\s+class)/)
+          || line.match(/^declare\s+(const|interface|function|type|class|enum|namespace|module|global|abstract\s+class)/)
+        ) {
+          acc.push('')
+        }
+      }
+      return acc
+    }, [])
     .join('\n')
     .trim()
+
   if (declarations) {
     sections.push(declarations)
   }