选集屏蔽增加相反模式

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;
+}