Function readConfigIfExists

packages/python-analysis/src/util/config.ts:95–105

(
  filename: string,
  schema: z.ZodType<T>,
  filetype: string | undefined = undefined
)

 * @returns Validated config object, or null if file doesn't exist
 */
export async function readConfigIfExists<T>(
  filename: string,
  schema: z.ZodType<T>,
  filetype: string | undefined = undefined
): Promise<T | null> {
  const content = await readFileTextIfExists(filename);
  if (content == null) {
    return null;
  }
  return parseConfig(content, filename, schema, filetype);
}