Method _writeFileFromRoot

src/fsDropbox.ts:619–664

(
    key: string,
    content: ArrayBuffer,
    mtime: number,
    ctime: number,
    origKey: string
  )

  }

  async _writeFileFromRoot(
    key: string,
    content: ArrayBuffer,
    mtime: number,
    ctime: number,
    origKey: string
  ): Promise<Entity> {
    if (hasEmojiInText(origKey)) {
      throw new Error(
        `${origKey}: Error: Dropbox does not support emoji in file / folder names.`
      );
    }

    const mtimeFixed = Math.floor(mtime / 1000.0) * 1000;
    const ctimeFixed = Math.floor(ctime / 1000.0) * 1000;
    const mtimeStr = new Date(mtimeFixed)
      .toISOString()
      .replace(/\.\d{3}Z$/, "Z");

    // in dropbox, we don't need to create folders before uploading! cool!
    // TODO: filesUploadSession for larger files (>=150 MB)

    await retryReq(
      () =>
        this.dropbox.filesUpload({
          path: key,
          contents: content,
          mode: {
            ".tag": "overwrite",
          },
          client_modified: mtimeStr,
        }),
      origKey // hint
    );

    // we want to mark that parent folders are created
    if (this.foldersCreatedBefore !== undefined) {
      const dirs = getFolderLevels(origKey).map((x) =>
        getDropboxPath(x, this.remoteBaseDir)
      );
      for (const dir of dirs) {
        this.foldersCreatedBefore?.add(dir);
      }
    }
    return await this._statFromRoot(key);
  }

  async readFile(key: string): Promise<ArrayBuffer> {
    await this._init();