Run results for: Immer(produce) vs lodash(cloneDeep)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36

Browser: Chrome 146

Operating system: Windows

Device Platform: Desktop

Date tested: 28 days ago

Test name	Executions per second
Immer produce	358786.2 Ops/sec
Lodash clonedeep	891929.9 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/immer@3.1.3/dist/immer.umd.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

state =  {
    data: {
      data_1: {
        data_1_1: 'data_1_1',
        data_1_2: 'data_1_2'
      },
      data_2: {
        data_2_1: 'data_2_1',
        data_2_2: {
          data_2_2_1: 'value'
        }
      },
    }
  };

Tests:

Immer produce
const result = immer.produce(state, draft => { draft.data.data_1.data_1_1 = 'data_1_1_updated', draft.data.data_2.data_2_2.data_2_2_1 = 'data_2_2_1' })
Lodash clonedeep
const result = _.cloneDeep(state); result.data.data_1.data_1_1 = 'data_1_1_updated'; result.data.data_2.data_2_2.data_2_2_1 = 'data_2_2_1';

Run results for: Immer(produce) vs lodash(cloneDeep)

Immer produce

Lodash clonedeep