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

Run details:

User agent: Mozilla/5.0 (Android 8.0.0; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0

Browser: Firefox Mobile 123

Operating system: Android 8.0.0

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

destructuring with defaults, empty input

8.4M/s

destructuring dynamic key

4.7M/s

destructuring with defaults, find item

4.6M/s

lodash dynamic key using array

1.0M/s

lodash dynamic key using manually cached array

895K/s

lodash get, empty input

469K/s

lodash get, find item

393K/s

lodash dynamic key

384K/s

View exact numbers

Test name	Executions per second
✓ destructuring with defaults, empty input	8,428,878 Ops/sec
destructuring dynamic key	4,711,478 Ops/sec
destructuring with defaults, find item	4,599,004 Ops/sec
lodash dynamic key using array	1,009,081 Ops/sec
lodash dynamic key using manually cached array	895,296 Ops/sec
lodash get, empty input	469,267 Ops/sec
lodash get, find item	392,560 Ops/sec
lodash dynamic key	383,510 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');