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'use strict';
const isDefiningProjection = require('./isDefiningProjection');
/** * Determines if `path` is excluded by `projection` * * @param {Object} projection * @param {String} path * @return {Boolean} * @api private */
module.exports = function isPathExcluded(projection, path) {  if (projection == null) {    return false;  }
  if (path === '_id') {    return projection._id === 0;  }
  const paths = Object.keys(projection);  let type = null;
  for (const _path of paths) {    if (isDefiningProjection(projection[_path])) {      type = projection[path] === 1 ? 'inclusive' : 'exclusive';      break;    }  }
  if (type === 'inclusive') {    return projection[path] !== 1;  }  if (type === 'exclusive') {    return projection[path] === 0;  }  return false;};