async fetchSingleFile(sourceFilePath) {
    try {
      return fetch(
        `https://api.github.com/repos/${this.author}/${this.project}/contents/${sourceFilePath}?ref=${this.branch}`,
        {
          method: "GET",
          headers: {
            Accept: "application/vnd.github+json",
            "X-GitHub-Api-Version": "2022-11-28",
            ...(!!this.accessToken
              ? { Authorization: `Bearer ${this.accessToken}` }
              : {}),
          },
        }
      )
        .then((res) => {
          if (res.ok) return res.json();
          throw new Error(`Failed to fetch from Github API: ${res.statusText}`);
        })
        .then((json) => {
          if (json.hasOwnProperty("status") || !json.hasOwnProperty("content"))
            throw new Error(json?.message || "missing content");
          return atob(json.content);
        });
    } catch (e) {
      console.error(`RepoLoader.fetchSingleFile`, e);
      return null;
    }
  }
}

  async fetchSingleFile(sourceFilePath) {
    try {
      const data = await this.#makeRequest(
        `https://gitlab.com/api/v4/projects/${
          this.projectId
        }/repository/files/${encodeURIComponent(sourceFilePath)}/raw?ref=${
          this.branch
        }`
      );
      return data;
    } catch (e) {
      console.error(`RepoLoader.fetchSingleFile`, e);
      return null;
    }
  }

  #makeRequest(url) {
    return new Promise((resolve, reject) => {
      const options = {
        headers: this.accessToken ? { "PRIVATE-TOKEN": this.accessToken } : {},
      };

      https
        .get(url, options, (res) => {
          let data = "";
          res.on("data", (chunk) => (data += chunk));
          res.on("end", () => {
            if (res.statusCode >= 200 && res.statusCode < 300) {
              resolve(data);
            } else {
              reject(
                new Error(`Request failed with status code ${res.statusCode}`)
              );
            }
          });
        })
        .on("error", reject);
    });
  }
}