Function nodeSurroundedInLazyBlocks

core/edit/lazy/deterministic.ts:110–126

(
  parser: Parser,

  file: string,
  filename: string,
)

}

function nodeSurroundedInLazyBlocks(
  parser: Parser,

  file: string,
  filename: string,
): { newTree: Parser.Tree; newFile: string } | undefined {
  const ext = path.extname(filename).slice(1);
  const language = LANGUAGES[ext];
  if (language) {
    const newFile = `${language.singleLineComment} ... existing code ...\n\n${file}\n\n${language.singleLineComment} ... existing code...`;
    const newTree = parser.parse(newFile);

    return { newTree, newFile };
  }

  return undefined;
}

// TODO: If we don't have high confidence, return undefined to fall back to slower methods
export async function deterministicApplyLazyEdit({