选集屏蔽增加相反模式

src/lib/db.client.ts

@@ -15,6 +15,7 @@
  */
 
 import { getAuthInfoFromBrowserCookie, clearAuthCookie } from './auth';
+import { normalizeEpisodeFilterConfig } from './episode-filter';
 import { MangaReadRecord, MangaShelfItem } from './manga.types';
 import { DanmakuFilterConfig, EpisodeFilterConfig,SkipConfig } from './types';
 
@@ -2643,7 +2644,7 @@ export async function getEpisodeFilterConfig(): Promise<EpisodeFilterConfig | nu
   try {
     const raw = localStorage.getItem('moontv_episode_filter_config');
     if (!raw) return null;
-    return JSON.parse(raw) as EpisodeFilterConfig;
+    return normalizeEpisodeFilterConfig(JSON.parse(raw) as EpisodeFilterConfig);
   } catch (err) {
     console.error('读取集数过滤配置失败:', err);
     return null;
@@ -2662,10 +2663,11 @@ export async function saveEpisodeFilterConfig(
   }
 
   try {
-    localStorage.setItem('moontv_episode_filter_config', JSON.stringify(config));
+    const normalizedConfig = normalizeEpisodeFilterConfig(config);
+    localStorage.setItem('moontv_episode_filter_config', JSON.stringify(normalizedConfig));
     window.dispatchEvent(
       new CustomEvent('episodeFilterConfigUpdated', {
-        detail: config,
+        detail: normalizedConfig,
       })
     );
   } catch (err) {

src/lib/episode-filter.ts

@@ -0,0 +1,47 @@
+import { EpisodeFilterConfig } from './types';
+
+export function normalizeEpisodeFilterConfig(
+  config?: EpisodeFilterConfig | null
+): EpisodeFilterConfig {
+  return {
+    rules: config?.rules ?? [],
+    reverseMode: config?.reverseMode ?? false,
+  };
+}
+
+export function doesEpisodeTitleMatchFilterRules(
+  title: string,
+  config?: EpisodeFilterConfig | null
+): boolean {
+  const normalizedConfig = normalizeEpisodeFilterConfig(config);
+
+  for (const rule of normalizedConfig.rules) {
+    if (!rule.enabled) continue;
+
+    try {
+      if (rule.type === 'normal' && title.includes(rule.keyword)) {
+        return true;
+      }
+      if (rule.type === 'regex' && new RegExp(rule.keyword).test(title)) {
+        return true;
+      }
+    } catch (e) {
+      console.error('集数过滤规则错误:', e);
+    }
+  }
+
+  return false;
+}
+
+export function isEpisodeHiddenByFilter(
+  title: string,
+  config?: EpisodeFilterConfig | null
+): boolean {
+  const normalizedConfig = normalizeEpisodeFilterConfig(config);
+  if (normalizedConfig.rules.length === 0) {
+    return false;
+  }
+
+  const isMatched = doesEpisodeTitleMatchFilterRules(title, normalizedConfig);
+  return normalizedConfig.reverseMode ? !isMatched : isMatched;
+}

src/lib/types.ts

@@ -253,6 +253,7 @@ export interface EpisodeFilterRule {
 // 集数过滤配置数据结构
 export interface EpisodeFilterConfig {
   rules: EpisodeFilterRule[]; // 过滤规则列表
+  reverseMode?: boolean; // 反向模式：开启后仅显示符合规则的集数
 }
 
 // 通知类型枚举