Function findFile

scripts/utils/findFile.mjs:6–23

(stub, dir)

/** @param {string} stub @param {'exercises' | 'patch' | 'tests'} dir */
export async function findFile(stub, dir) {
  const folderFiles = await readdir(
    fileURLToPath(new URL(`../../${dir}`, import.meta.url))
  );

  const targetFileName = basename(stub, extname(stub));

  const sourceFileNameWithExt = folderFiles.find((fileName) => {
    if (dir === "exercises" && !fileName.endsWith(".wat")) return false;
    if (dir === "patch" && !fileName.endsWith(".patch")) return false;
    if (dir === "tests" && !fileName.endsWith(".test.js")) return false;

    return fileName.includes(targetFileName);
  });

  /** @type {string | undefined} */
  return sourceFileNameWithExt;
}