Run results for: es6 destructuring vs lodash _.getaf

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.80 Safari/537.36

Browser: Chrome 75

Operating system: Mac OS X 10.14.5

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
destructuring with defaults, empty inputa	7237582.0 Ops/sec
lodash get, empty inputb	2018020.0 Ops/sec
destructuring with defaults, find item	2166894.0 Ops/sec
lodash get, find item	1132741.0 Ops/sec
destructuring null input	0.0 Ops/sec
lodash null input	3630879.0 Ops/sec
destructuring undefined input	0.0 Ops/sec
lodash undefined input	3624121.0 Ops/sec
destructuring dynamic key	2310020.0 Ops/sec
lodash dynamic key	1205071.0 Ops/sec
oldway	908986.3 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4/lodash.min.js"></script>

Script Preparation code:

function destructuringFn(input) {
  const { contextMenu: { data: { documents = [] } = {} } = {} } = input;
  return documents;
}

function destructuringFnDynamic(input, key) {
  const { contextMenu: { data: { [key]: documents = [] } = {} } = {} } = input;
  return documents;
}

function lodashFn(input) {
  const documents = _.get(input, 'contextMenu.data.documents', []);
  return documents;
}

function lodashFnDynamic(input, key) {
  const documents = _.get(input, `contextMenu.data.${key}`, []);
  return documents;
}

function oldWay(input, key) {
  const documents = _.get(input, `contextMenu.data.${key}`, []);
  return input && input.contextMenu && input.contextMenu.data && input.contextMenu.data[key];
}

function test(fn, input, key) {
  fn(input, key);
}

Tests:

destructuring with defaults, empty inputa
test(destructuringFn, {});
lodash get, empty inputb
test(lodashFn, {});
destructuring with defaults, find item
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(destructuringFn, input);
lodash get, find item
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(lodashFn, input);
destructuring null input
test(destructuringFn, null);
lodash null input
test(lodashFn, null);
destructuring undefined input
let input; test(destructuringFn, input);
lodash undefined input
let input; test(lodashFn, input);
destructuring dynamic key
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(destructuringFn, input, 'documents');
lodash dynamic key
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(lodashFn, input, 'documents');
oldway
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(oldWay, input, 'documents');

Run results for: es6 destructuring vs lodash _.getaf

compare performance of _.get to es6 desu

destructuring with defaults, empty inputa

lodash get, empty inputb

destructuring with defaults, find item

lodash get, find item

destructuring null input

lodash null input

destructuring undefined input

lodash undefined input

destructuring dynamic key

lodash dynamic key

oldway