feat: 将 dan-any 模块提取为独立工具并优化构建流程

- 在 build-forward-widget 中为 dan-any.js 添加解析和加载钩子，将其排除出 widget 捆绑包，仅保留转换功能占位
- 新增 convertDanAny 函数封装所有 dan-any 格式转换逻辑，支持 JSON/XML/Binary 输出
- 重构 danmu-util 中的格式响应函数，移除直接依赖 @dan-uni/dan-any，改为调用本地 convertDanAny
- 清理冗余导入，降低模块耦合，为后续 forward 独立部署做准备

build-forward-widget.js

@@ -46,6 +46,16 @@ const outputFile = debugBuild ? 'dist/logvar-danmu.debug.js' : 'dist/logvar-danm
 const forwardRuntimeCompatPlugin = {
   name: 'forward-runtime-compat',
   setup(build) {
+    const danAnyModulePath = path.resolve('danmu_api/utils/dan-any.js');
+
+    // Forward only consumes the native JSON/XML response paths. Keep dan-any
+    // available to the server while removing it and its transitive dependencies
+    // from the standalone widget bundle.
+    build.onResolve({ filter: /(?:^|[\\/])dan-any\.js$/ }, (args) => {
+      if (path.resolve(args.resolveDir, args.path) !== danAnyModulePath) return;
+      return { path: 'dan-any', namespace: 'forward-optional-modules' };
+    });
+
     build.onResolve({ filter: /^node:async_hooks$/ }, () => ({
       path: 'async-hooks',
       namespace: 'forward-node-builtins'
@@ -82,6 +92,16 @@ const forwardRuntimeCompatPlugin = {
         }
       `
     }));
+
+    build.onLoad({ filter: /^dan-any$/, namespace: 'forward-optional-modules' }, () => ({
+      loader: 'js',
+      contents: `
+        export const danAnyFormats = [];
+        export function convertDanAny() {
+          return null;
+        }
+      `
+    }));
   }
 };
 

danmu_api/utils/dan-any.js

@@ -1,4 +1,23 @@
-import { ArtplayerMetadata, BahaMetadata, BiliXmlMetadata, DanuniJsonMetadata, DanuniPbMetadata, DdplayMetadata, DplayerMetadata, VodMetadata } from '@dan-uni/dan-any/adapters';
+import { UniDB } from '@dan-uni/dan-any/core/main/pure';
+import {
+  ArtplayerMetadata,
+  ArtplayerTransformer,
+  BahaMetadata,
+  BahaTransformer,
+  BiliXmlMetadata,
+  BiliXmlTransformerConfigurator,
+  DanuniJsonMetadata,
+  DanuniJsonTransformerConfigurator,
+  DanuniPbMetadata,
+  DanuniPbTransformer,
+  DdplayAdapter,
+  DdplayMetadata,
+  DdplayTransformer,
+  DplayerMetadata,
+  DplayerTransformer,
+  VodMetadata,
+  VodTransformer
+} from '@dan-uni/dan-any/adapters';
 
 export const danAnyFormats = [
   ArtplayerMetadata.type,
@@ -9,4 +28,23 @@ export const danAnyFormats = [
   DdplayMetadata.type,
   DplayerMetadata.type,
   VodMetadata.type
-];
+];
+
+const danAnyDb = new UniDB();
+const danAnyUdb = danAnyDb.init();
+
+export function convertDanAny(danmuData, format) {
+  const chunk = danAnyUdb.makeChunk({ tmp: true });
+  chunk.import(DdplayAdapter(danmuData));
+
+  if (format === VodMetadata.type) return { type: 'json', data: chunk.export(VodTransformer) };
+  if (format === BahaMetadata.type) return { type: 'json', data: chunk.export(BahaTransformer) };
+  if (format === DdplayMetadata.type) return { type: 'json', data: chunk.export(DdplayTransformer) };
+  if (format === BiliXmlMetadata.type) return { type: 'xml', data: chunk.export(BiliXmlTransformerConfigurator()) };
+  if (format === DplayerMetadata.type) return { type: 'json', data: chunk.export(DplayerTransformer) };
+  if (format === DanuniPbMetadata.type) return { type: 'binary', data: chunk.export(DanuniPbTransformer), filename: 'danuni.binpb' };
+  if (format === ArtplayerMetadata.type) return { type: 'json', data: chunk.export(ArtplayerTransformer) };
+  if (format === DanuniJsonMetadata.type) return { type: 'json', data: chunk.export(DanuniJsonTransformerConfigurator()) };
+
+  return null;
+}

danmu_api/utils/danmu-util.js

@@ -2,8 +2,7 @@ import { globals } from '../configs/globals.js';
 import { log } from './log-util.js'
 import { binResponse, jsonResponse, xmlResponse } from "./http-util.js";
 import { traditionalized } from './zh-util.js';
-import { UniDB } from "@dan-uni/dan-any/core/main/pure";
-import { ArtplayerMetadata, ArtplayerTransformer, BahaMetadata, BahaTransformer, BiliXmlMetadata, BiliXmlTransformerConfigurator, DanuniJsonMetadata, DanuniJsonTransformerConfigurator, DanuniPbMetadata, DanuniPbTransformer, DdplayAdapter, DdplayMetadata, DdplayTransformer, DplayerMetadata, DplayerTransformer, VodMetadata, VodTransformer } from '@dan-uni/dan-any/adapters';
+import { convertDanAny } from './dan-any.js';
 
 // =====================
 // danmu处理相关函数
@@ -490,9 +489,6 @@ function escapeXmlText(str) {
     .replace(/>/g, '>');
 }
 
-const tmp_da_db = new UniDB()
-const tmp_da_udb = tmp_da_db.init()
-
 // 根据格式参数返回弹幕数据
 export function formatDanmuResponse(danmuData, queryFormat) {
   // 确定最终使用的格式：查询参数 > 环境变量 > 默认值
@@ -513,17 +509,10 @@ export function formatDanmuResponse(danmuData, queryFormat) {
     }
   } else if (format === 'json') return jsonResponse(danmuData);
 
-  // 转换为 @dan-uni/dan-any 支持的格式
-  const chunk = tmp_da_udb.makeChunk({ tmp: true })
-  chunk.import(DdplayAdapter(danmuData))
-  if (format === VodMetadata.type) return jsonResponse(chunk.export(VodTransformer))
-  else if (format === BahaMetadata.type) return jsonResponse(chunk.export(BahaTransformer))
-  else if (format === DdplayMetadata.type) return jsonResponse(chunk.export(DdplayTransformer))
-  else if (format === BiliXmlMetadata.type) return xmlResponse(chunk.export(BiliXmlTransformerConfigurator()))
-  else if (format === DplayerMetadata.type) return jsonResponse(chunk.export(DplayerTransformer))
-  else if (format === DanuniPbMetadata.type) return binResponse(chunk.export(DanuniPbTransformer), 'danuni.binpb')
-  else if (format === ArtplayerMetadata.type) return jsonResponse(chunk.export(ArtplayerTransformer))
-  else if (format === DanuniJsonMetadata.type) return jsonResponse(chunk.export(DanuniJsonTransformerConfigurator()))
+  const converted = convertDanAny(danmuData, format);
+  if (converted?.type === 'json') return jsonResponse(converted.data);
+  if (converted?.type === 'xml') return xmlResponse(converted.data);
+  if (converted?.type === 'binary') return binResponse(converted.data, converted.filename);
 
   // 默认返回 JSON
   return jsonResponse(danmuData);