@sanity-codegen/cli/lib/file-walker.js

CLI for sanity-codegen

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.fileWalker = fileWalker;

var _fs = _interopRequireDefault(require("fs"));

var _path = _interopRequireDefault(require("path"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

// Note: @babel/register must be hooked prior to this file running because this
// resolving method uses `require.resolve`.

/**
 * Given a starting point and a back up filename, this function will first check
 * to see if there is a file at the starting point. If so it will return the
 * resolved version of that file.
 *
 * Otherwise it will walk up the file tree looking for the given filename if a
 * file was not found at the starting point.
 */
async function fileWalker({
  startingPoint,
  filenameIfNotFound
}) {
  const resolvedRoot = _path.default.resolve(startingPoint);

  const stats = await _fs.default.promises.stat(resolvedRoot); // if the resolved root already references a file, don't walk up the tree
  // looking for the filename

  if (!stats.isDirectory()) return require.resolve(resolvedRoot);

  async function find(pathname) {
    try {
      return require.resolve(`${pathname}/${filenameIfNotFound}`);
    } catch {
      const currentFolder = _path.default.resolve(pathname, './');

      const parentFolder = _path.default.resolve(pathname, '../');

      if (currentFolder === parentFolder) return null;
      return await find(parentFolder);
    }
  }

  return await find(resolvedRoot);
}