Function processConnectionOptions

lib/helpers/processConnectionOptions.js:6–18

(uri, options)

const MongooseError = require('../error/index');

function processConnectionOptions(uri, options) {
  const opts = options ? options : {};
  const readPreference = opts.readPreference
    ? opts.readPreference
    : getUriReadPreference(uri);

  const clonedOpts = clone(opts);
  const resolvedOpts = (readPreference && readPreference !== 'primary' && readPreference !== 'primaryPreferred')
    ? resolveOptsConflicts(readPreference, clonedOpts)
    : clonedOpts;

  return resolvedOpts;
}

function resolveOptsConflicts(pref, opts) {
  // don't silently override user-provided indexing options