DNDGamePlayer: Electron редактор сцен, презентация, упаковка electron-builder

Made-with: Cursor
2026-04-19 14:16:54 +08:00
commit a6cbcc273e
82 changed files with 22195 additions and 0 deletions
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+import fs from 'node:fs/promises';
+import path from 'node:path';
+
+import type { MediaAsset, Project } from '../../shared/types';
+import type { AssetId } from '../../shared/types/ids';
+
+/** Все asset id, на которые есть ссылки из сцен (превью, видео, аудио). */
+export function collectReferencedAssetIds(p: Project): Set<AssetId> {
+  const refs = new Set<AssetId>();
+  for (const sc of Object.values(p.scenes)) {
+    if (sc.previewAssetId) refs.add(sc.previewAssetId);
+    for (const vid of sc.media.videos) refs.add(vid);
+    for (const au of sc.media.audios) refs.add(au.assetId);
+  }
+  return refs;
+}
+
+/**
+ * Удаляет с диска файлы снятых материалов и записи в `assets`, на которые больше нет ссылок.
+ */
+export async function reconcileAssetFiles(prev: Project, next: Project, cacheDir: string): Promise<Project> {
+  const prevIds = new Set(Object.keys(prev.assets) as AssetId[]);
+  const nextIds = new Set(Object.keys(next.assets) as AssetId[]);
+
+  for (const id of prevIds) {
+    if (nextIds.has(id)) continue;
+    const a = prev.assets[id];
+    if (a) {
+      const abs = path.join(cacheDir, a.relPath);
+      await fs.unlink(abs).catch(() => undefined);
+    }
+  }
+
+  const refs = collectReferencedAssetIds(next);
+  const assets = next.assets;
+  const kept: Record<AssetId, MediaAsset> = {} as Record<AssetId, MediaAsset>;
+  let droppedOrphans = false;
+  for (const id of Object.keys(assets) as AssetId[]) {
+    const a = assets[id];
+    if (!a) continue;
+    if (refs.has(id)) {
+      kept[id] = a;
+    } else {
+      droppedOrphans = true;
+      const abs = path.join(cacheDir, a.relPath);
+      await fs.unlink(abs).catch(() => undefined);
+    }
+  }
+
+  return droppedOrphans ? { ...next, assets: kept } : next;
+}