Run results for: lodash.get vs optional chaining vs safeGet vs dlv

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:141.0) Gecko/20100101 Firefox/141.0

Browser: Firefox 141

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 10 months ago

Test name	Executions per second
lodash.get	25525192.0 Ops/sec
Optional chaining (babel es2015)	203880032.0 Ops/sec
safeGet	27241982.0 Ops/sec
dlv (dot notation)	12975039.0 Ops/sec
dlv (array notation)	46350168.0 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var state = {
  wrapped1: {
    wrapped2: {
      location: {
    	search: '',
    	id: 12
      }
    }
  },
  data: {}
};

var safeGet = function(nestedObj, paths, defaultVal) {
  if (!paths || paths.length === 0) return defaultVal
  const result = paths.slice(0).reduce((obj, path, i, arr) => {
    if (!obj) {
      arr.splice(i) // break out of the loop
      return undefined
    }
    return obj[path]
  }, nestedObj)

  if (result === undefined || result === null) {
    return defaultVal
  }

  return result
}

var dlv = function(obj, key, def, p, undef) {
	key = key.split ? key.split('.') : key;
	for (p = 0; p < key.length; p++) {
		obj = obj ? obj[key[p]] : undef;
	}
	return obj === undef ? def : obj;
}

Tests:

lodash.get
var l = _.get(state, ['wrapped1','wrapped2','location','search']);
Optional chaining (babel es2015)
var _state$wrapped, _state$wrapped$wrappe, _state$wrapped$wrappe2; var s = state === null || state === void 0 ? void 0 : (_state$wrapped = state.wrapped1) === null || _state$wrapped === void 0 ? void 0 : (_state$wrapped$wrappe = _state$wrapped.wrapped2) === null || _state$wrapped$wrappe === void 0 ? void 0 : (_state$wrapped$wrappe2 = _state$wrapped$wrappe.location) === null || _state$wrapped$wrappe2 === void 0 ? void 0 : _state$wrapped$wrappe2.search;
safeGet
var l = safeGet(state, ['wrapped1','wrapped2','location','search']);
dlv (dot notation)
dlv(state, 'wrapped1.wrapped2.location.search');
dlv (array notation)
dlv(state, ['wrapped1','wrapped2','location','search']);

Run results for: lodash.get vs optional chaining vs safeGet vs dlv

Compare lodash.get to babel transpiled ?. (optional chaining) operator

lodash.get

Optional chaining (babel es2015)

safeGet

dlv (dot notation)

dlv (array notation)