Run results for: Difference with test 2

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36

Browser: Chrome 80

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Lodash	181634.0 Ops/sec
Native	225495.7 Ops/sec
For loop	54200.8 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

    window.existingProperties = [
      { "bmoId" : 9931265,
        "value" : {
          "type" : 5,
          "unit" : 1,
          "value" : "Level 1"
        },
        "definition" : {
          "name" : "Global Level",
          "type" : 102,
          "flags" : 3,
          "group" : "BE_GLOBAL",
          "identifier" : ""
        }
      },
      {
        "bmoId" : 9931264,
        "value" : {
          "type" : 5,
          "unit" : 1,
          "value" : "Generic - 200mm"
        },
        "definition" : {
          "name" : "Global Name",
          "type" : 101,
          "flags" : 3,
          "group" : "BE_GLOBAL",
          "identifier" : ""
        }
      },
      {
        "bmoId" : 9931263,
        "value" : {
          "type" : 5,
          "unit" : 1,
          "value" : "f4274632-54e9-4658-8b8b-30d6b2f5980bingo"
        },
        "definition" : {
          "name" : "Global BIMEYE ID",
          "type" : 100,
          "flags" : 3,
          "group" : "BE_GLOBAL",
          "identifier" : ""
        }
      }
    ];
// we have one same property, one new and one is updated in sync
    window.newProperites = [
      // updated property
      {
        "definition" : {
          "flags" : 3,
          "name" : "Global BIMEYE ID",
          "group" : "BE_GLOBAL",
          "type" : 100,
          "identifier" : ""
        },
        "value" : {
          "value" : "f4274632-54e9-4658-8b8b-30d6b2f59801",
          "type" : 5,
          "unit" : 1
        }
      },
      // same property
      {
        "definition" : {
          "flags" : 3,
          "name" : "Global Name",
          "group" : "BE_GLOBAL",
          "type" : 101,
          "identifier" : ""
        },
        "value" : {
          "value" : "Generic - 200mm",
          "type" : 5,
          "unit" : 1
        }
      },
      // new property
      {
        "definition" : {
          "flags" : 3,
          "name" : "kurcina ko greda",
          "group" : "BE_GLOBAL",
          "type" : 102,
          "identifier" : ""
        },
        "value" : {
          "value" : "140000",
          "type" : 5,
          "unit" : 1
        }
      }
    ];
window.accumulator = [];

Tests:

Version 1
var updateArray = []; var propertiesForDelete = _.intersectionWith(window.existingProperties, window.newProperites, (exp, np) => { // if props match all metadata and not value it's updated var conditionX = ( np.definition.flags === exp.definition.flags && np.definition.name === exp.definition.name && np.definition.group === exp.definition.group && np.definition.type === exp.definition.type && np.definition.identifier === exp.definition.identifier && np.value.type === exp.value.type && np.value.unit === exp.value.unit && np.value.value !== exp.value.value); if (conditionX) { updateArray.push(np); return true; } }); var removekey = 'bmoId' var keepKeys = ['definition', 'value']; // remove bmi key so we can match arrays var dummyArray = existingProperties.map(({bmoId, ...keepKeys}) => keepKeys); // find which properties are new var newPropsInSyncArray = _.differenceWith(_.differenceWith(window.newProperites, dummyArray, _.isEqual), updateArray, _.isEqual);
Version 2
var up2 = []; var del2 = []; var newPropsInSyncArrayMod = _.differenceWith(window.newProperites, window.existingProperties, (np, {bmoId, definition, value}) => { var conditionY = ( np.definition.flags === definition.flags && np.definition.name === definition.name && np.definition.group === definition.group && np.definition.type === definition.type && np.definition.identifier === definition.identifier && np.value.type === value.type && np.value.unit === value.unit); if (conditionY) { if (np.value.value !== value.value) { up2.push(np); del2.push({definition, value}); } return true; } return false; });

Run results for: Difference with test 2

Version 1

Version 2