Run results for: es6 destructuring vs lodash _.get string and array keys with toPath and manual caching

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; SM-T970) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36

Browser: Chrome 96

Operating system: Android

Device Platform: Tablet

Date tested: 2 years ago

Test name	Executions per second
destructuring with defaults, empty input	5471016.0 Ops/sec
lodash get, empty input	1596025.0 Ops/sec
destructuring with defaults, find item	1776888.0 Ops/sec
lodash get, find item	991420.3 Ops/sec
destructuring dynamic key	1810684.0 Ops/sec
lodash dynamic key	816030.2 Ops/sec
lodash dynamic key using array	1243082.0 Ops/sec
lodash dynamic key using manually cached array	1282796.0 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 lodashFnDynamicArray(input, key) {
  const documents = _.get(input, ['contextMenu', 'data', 'key'], []);
  return documents;
}

let paths = {};
function lodashFnDynamicCachedArray(input, key) {
  paths[key] = paths[key] || _.toPath(`contextMenu.data.${key}`);
  const documents = _.get(input, paths[key], []);
  return documents;
}

function test(fn, input, key) {
  fn(input, key);
}

Tests:

destructuring with defaults, empty input
test(destructuringFn, {});
lodash get, empty input
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 dynamic key
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(destructuringFn, input, 'documents');
lodash dynamic key
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(lodashFnDynamic, input, 'documents');
lodash dynamic key using array
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(lodashFnDynamicArray, input, 'documents');
lodash dynamic key using manually cached array
const input = { contextMenu: { data: { documents: [{ id: 'doc' }] } } }; test(lodashFnDynamicCachedArray, input, 'documents');

Run results for: es6 destructuring vs lodash _.get string and array keys with toPath and manual caching

compare performance of _.get to es6 desu

destructuring with defaults, empty input

lodash get, empty input

destructuring with defaults, find item

lodash get, find item

destructuring dynamic key

lodash dynamic key

lodash dynamic key using array

lodash dynamic key using manually cached array