/**

 * Copyright (c) Meta Platforms, Inc. and affiliates.

 *

 * This source code is licensed under the MIT license found in the

 * LICENSE file in the root directory of this source tree.

 */

'use strict';

function getComments(path) {

  const allComments = path.hub.file.ast.comments;

  if (path.node.leadingComments) {

    // Babel AST includes comments.

    return path.node.leadingComments;

  }

  // In Hermes AST we need to find the comments by range.

  const comments = [];

  let line = path.node.loc.start.line;

  let i = allComments.length - 1;

  while (i >= 0 && allComments[i].loc.end.line >= line) {

    i--;

  }

  while (i >= 0 && allComments[i].loc.end.line === line - 1) {

    line = allComments[i].loc.start.line;

    comments.unshift(allComments[i]);

    i--;

  }

  return comments;

}

module.exports = getComments;