Function makeTempFile

fs/unstable_make_temp_file.ts:38–82

(options?: MakeTempOptions)

 * @returns A Promise that resolves to a file path to the temporary file.
 */
export async function makeTempFile(options?: MakeTempOptions): Promise<string> {
  if (isDeno) {
    return Deno.makeTempFile({ ...options });
  } else {
    const {
      dir,
      prefix,
      suffix,
    } = options ?? {};
    try {
      const { tmpdir } = getNodeOs();
      const { join } = getNodePath();

      let tempFilePath;
      if (!options) {
        tempFilePath = join(tmpdir(), randomId());
        await writeTextFile(tempFilePath, "", { mode: 0o600 });
        return tempFilePath;
      }

      tempFilePath = tmpdir();
      if (dir != null) {
        tempFilePath = typeof dir === "string" ? dir : ".";
        if (tempFilePath === "") {
          tempFilePath = ".";
        }
      }

      if (prefix != null && typeof prefix === "string") {
        tempFilePath = join(tempFilePath, prefix + randomId());
      } else {
        tempFilePath = join(tempFilePath, randomId());
      }

      if (suffix != null && typeof suffix === "string") {
        tempFilePath += suffix;
      }

      await writeTextFile(tempFilePath, "", { mode: 0o600 });
      return tempFilePath;
    } catch (error) {
      throw mapError(error);
    }
  }
}

/**
 * Synchronously creates a new temporary file in the default directory for