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编辑当前文件:/home/freeclou/app.optimyar.com/backend/node_modules/mongodb/lib/operations/find_one_and_update.js

'use strict';

const FindAndModifyOperation = require('./find_and_modify');
const hasAtomicOperators = require('../utils').hasAtomicOperators;

class FindOneAndUpdateOperation extends FindAndModifyOperation {
  constructor(collection, filter, update, options) {
    // Final options
    const finalOptions = Object.assign({}, options);
    finalOptions.fields = options.projection;
    finalOptions.update = true;
    finalOptions.new =
      typeof options.returnOriginal === 'boolean' ? !options.returnOriginal : false;
    finalOptions.upsert = typeof options.upsert === 'boolean' ? options.upsert : false;

if (filter == null || typeof filter !== 'object') {
      throw new TypeError('Filter parameter must be an object');
    }

if (update == null || typeof update !== 'object') {
      throw new TypeError('Update parameter must be an object');
    }

if (!hasAtomicOperators(update)) {
      throw new TypeError('Update document requires atomic operators');
    }

super(collection, filter, finalOptions.sort, update, finalOptions);
  }
}

module.exports = FindOneAndUpdateOperation;