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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

dlv (array notation)

6.1M/s

Optional chaining (babel es2015)

5.9M/s

dlv (dot notation)

5.1M/s

lodash.get

4.4M/s

safeGet

3.6M/s

View exact numbers

Test name	Executions per second
✓ dlv (array notation)	6,122,874 Ops/sec
Optional chaining (babel es2015)	5,947,106 Ops/sec
dlv (dot notation)	5,101,816 Ops/sec
lodash.get	4,446,372 Ops/sec
safeGet	3,556,852 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: