fix: 添加输出编译报错信息

example/index.html

@@ -66,7 +66,7 @@
       const init = async () => {
         const code = await compiler.compile('/main.tsx')
         console.log(code)
-        // 编译报错详细信息
+        // 编译报错信息
         if(typeof code !== 'string' && code.error) {
           document.querySelector('#root').innerHTML = code.message
           return

src/compiler/compiler.ts

@@ -65,10 +65,7 @@ export class Compiler {
     })
   }
 
-  public async compile(entryPoint: string, options: esbuild.BuildOptions = {}): Promise<string | {
-    error: boolean;
-    message: string
-  }> {
+  public async compile(entryPoint: string, options: esbuild.BuildOptions = {}) {
     while (!this.initialized) {
       // Wait until initialization is complete
       await new Promise(resolve => setTimeout(resolve, 16))