Method getFileContent

app/src/core/Project.tsx:398–434

(options: { includeThumbnail?: boolean } = {})

  // 备份也要用到这个
  async getFileContent(options: { includeThumbnail?: boolean } = {}) {
    const includeThumbnail = options.includeThumbnail !== false;
    const serializedStage = serialize(this.stage);
    const encodedStage = this.encoder.encode(serializedStage);
    const uwriter = new Uint8ArrayWriter();

    // @zip.js/zip.js 从 ^2.7.63 升到了 ^2.8.26，需要显示指定 level: 0，防止保存的时候卡顿
    const writer = new ZipWriter(uwriter, { level: 0 });
    await writer.add("stage.msgpack", new Uint8ArrayReader(encodedStage), { level: 0 });
    await writer.add("tags.msgpack", new Uint8ArrayReader(this.encoder.encode(this.tags)), { level: 0 });
    await writer.add("reference.msgpack", new Uint8ArrayReader(this.encoder.encode(this.references)), { level: 0 });
    await writer.add("metadata.msgpack", new Uint8ArrayReader(this.encoder.encode(this.metadata)), { level: 0 });
    if (this.readme) {
      await writer.add("README.md", new Uint8ArrayReader(new TextEncoder().encode(this.readme)), { level: 0 });
    }
    // 添加附件
    for (const [uuid, attachment] of this.attachments.entries()) {
      await writer.add(`attachments/${uuid}.${mime.getExtension(attachment.type)}`, new BlobReader(attachment), {
        level: 0,
      });
    }
    // 添加缩略图
    if (includeThumbnail) {
      try {
        const thumbnailBlob = await generateThumbnail(this);
        if (thumbnailBlob) {
          await writer.add("thumbnail.png", new BlobReader(thumbnailBlob), { level: 0 });
        }
      } catch {
        // 缩略图生成失败不阻止保存
      }
    }
    await writer.close();

    const fileContent = await uwriter.getData();
    return fileContent;
  }

  /**
   * 备份用：生成项目内容的哈希值，用于检测内容是否发生变化