Class DropboxFileWriter

packages/filesystem/dropbox/rw.ts:51–115

}

export class DropboxFileWriter implements FileWriter {
  path: string;

  fs: DropboxFileSystem;

  constructor(fs: DropboxFileSystem, path: string) {
    this.fs = fs;
    this.path = path;
  }

  async write(content: string | Blob): Promise<void> {
    // 检查文件是否存在
    const exists = await this.fs.exists(this.path);

    if (exists) {
      // 如果文件存在，则更新
      return this.updateFile(content);
    } else {
      // 如果文件不存在，则创建
      return this.createNewFile(content);
    }
  }

  private async updateFile(content: string | Blob): Promise<void> {
    const myHeaders = new Headers();
    myHeaders.append("Content-Type", "application/octet-stream");
    myHeaders.append(
      "Dropbox-API-Arg",
      JSON.stringify({
        path: this.path,
        mode: "overwrite",
        autorename: false,
      })
    );

    await this.fs.request("https://content.dropboxapi.com/2/files/upload", {
      method: "POST",
      headers: myHeaders,
      body: content instanceof Blob ? content : new Blob([content]),
    });

    return Promise.resolve();
  }

  private async createNewFile(content: string | Blob): Promise<void> {
    const myHeaders = new Headers();
    myHeaders.append("Content-Type", "application/octet-stream");
    myHeaders.append(
      "Dropbox-API-Arg",
      JSON.stringify({
        path: this.path,
        mode: "add",
        autorename: false,
      })
    );

    await this.fs.request("https://content.dropboxapi.com/2/files/upload", {
      method: "POST",