node_modules/mongoose/lib/helpers/schema/applyWriteConcern.js

'use strict';

const get = require('../get');

module.exports = function applyWriteConcern(schema, options) {
  const writeConcern = get(schema, 'options.writeConcern', {});
  if (!('w' in options) && writeConcern.w != null) {
    options.w = writeConcern.w;
  }
  if (!('j' in options) && writeConcern.j != null) {
    options.j = writeConcern.j;
  }
  if (!('wtimeout' in options) && writeConcern.wtimeout != null) {
    options.wtimeout = writeConcern.wtimeout;
  }
};