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src/components/rpg-entry/rpgEntryWorldPresentation.ts

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+import type {
+  CustomWorldGalleryCard,
+  CustomWorldLibraryEntry,
+} from '../../../packages/shared/src/contracts/runtime';
+import { buildCustomWorldPlayableCharacters } from '../../data/characterPresets';
+import { resolveCustomWorldCampSceneImage } from '../../data/customWorldVisuals';
+import type { CustomWorldProfile } from '../../types';
+
+export type PlatformWorldCardLike =
+  | CustomWorldGalleryCard
+  | CustomWorldLibraryEntry<CustomWorldProfile>;
+
+export function isLibraryWorldEntry(
+  entry: PlatformWorldCardLike,
+): entry is CustomWorldLibraryEntry<CustomWorldProfile> {
+  return 'profile' in entry;
+}
+
+export function resolvePlatformWorldCoverImage(entry: PlatformWorldCardLike) {
+  if (entry.coverImageSrc) {
+    return entry.coverImageSrc;
+  }
+
+  if (isLibraryWorldEntry(entry)) {
+    return resolveCustomWorldCampSceneImage(entry.profile) ?? '';
+  }
+
+  return '';
+}
+
+export function resolvePlatformWorldLeadPortrait(entry: PlatformWorldCardLike) {
+  if (!isLibraryWorldEntry(entry)) {
+    return '';
+  }
+
+  return buildCustomWorldPlayableCharacters(entry.profile)[0]?.portrait ?? '';
+}
+
+export function buildPlatformWorldTags(entry: PlatformWorldCardLike) {
+  if (!isLibraryWorldEntry(entry)) {
+    return [
+      describePlatformThemeLabel(entry.themeMode),
+      `${entry.playableNpcCount} 角色`,
+      `${entry.landmarkCount} 地标`,
+    ];
+  }
+
+  return [
+    ...entry.profile.majorFactions.slice(0, 2),
+    ...entry.profile.coreConflicts.slice(0, 1),
+  ]
+    .map((value) => value.trim())
+    .filter(Boolean)
+    .slice(0, 3);
+}
+
+export function formatPlatformWorldTime(value: string | null) {
+  if (!value) {
+    return '未发布';
+  }
+
+  const date = new Date(value);
+  if (Number.isNaN(date.getTime())) {
+    return value;
+  }
+
+  return date.toLocaleDateString('zh-CN', {
+    month: '2-digit',
+    day: '2-digit',
+  });
+}
+
+export function describePlatformThemeLabel(
+  themeMode: PlatformWorldCardLike['themeMode'],
+) {
+  switch (themeMode) {
+    case 'martial':
+      return '江湖';
+    case 'arcane':
+      return '灵脉';
+    case 'machina':
+      return '机巧';
+    case 'tide':
+      return '潮痕';
+    case 'rift':
+      return '裂界';
+    default:
+      return '回响';
+  }
+}