fix: status 204 fatal error

server/main.ts

@@ -24,13 +24,15 @@ const [ , scheme, hostname, _port ] = config.server.match(/^(\w+):\/\/(.+)\:(\d+
 new Server(scheme, port, hostname)
     .header('Access-Control-Allow-Origin', '*')
     .header('Access-Control-Allow-Methods', 'GET,POST,PUT')
+    .header('Access-Control-Allow-Headers', 'Content-Type')
     .on('GET', async res => {
         const postid = res.url.searchParams.get('id');
         if(!postid) return res.status(404).end();
         const comments = await Promise.all(
             (await Comment.get_by_postid(postid))
                 .map(comment => comment.export())
         );
+        if(comments.length == 0) res.status(204).end();
         res.end(encode(comments));
     })
     .on('POST', async res => {

server/server.ts

@@ -33,7 +33,7 @@ export class vResponse{
     end(chunk?: string | Uint8Array | ReadableStream<Uint8Array>){
         if(chunk && !(chunk instanceof ReadableStream)) this.chunk(chunk);
         const body = chunk instanceof ReadableStream? chunk : new Blob(this.$content),
-            res = new Response(body, {
+            res = new Response(this.$status == 204 ? null : body, {
                 status: this.$status,
                 headers: this.$headers
             });
@@ -87,6 +87,11 @@ export default class Server{
 
     start(){
         const handler = (req: Request, inf: Deno.ServeHandlerInfo) => {
+            if(req.method == "OPTIONS")
+                return new Response(null, {
+                    status: 204,
+                    headers: new Headers(this.$defHeader)
+                });
             // deno-lint-ignore no-async-promise-executor
             return new Promise<Response>(async rs => {
                 const res = new vResponse(req, inf.remoteAddr, new Headers(this.$defHeader), rs);