What is the best way to sort items by their properties?

Seeking to optimize the code by using a filter instead of lodash _forEach. However, the current filter code is not producing the desired result. Any insights on what might be incorrectly implemented here?

main.js


                const response = [];
                const data = [{
                        "isBrand": true,
                        "drugName": "Lipitor",
                        "specialtyPrice": {}
                    },
                    {
                        "isBrand": false,
                        "drugName": "Atorvastatin Calcium",
                        "drugStrength": "80mg",
                        "drugForm": "Tablet",
                        "mailPrice": {
                            "totalQuantity": 90,
                            "rejectMessage": [{
                                "settlementCode": "99",
                                "settlementDesc": "Sorry, the system is temporarily:Lo sentimos,Intente(Código de error 85)"
                            }]
                        },
                        "retailPrice": {
                            "totalQuantity": 30,
                            "rejectMessage": [{
                                "settlementCode": "99",
                                "settlementDesc": "Sorry, the system is temporarily:Lo sentimos,Intente(Código de error 85)"
                            }]
                        },
                        "specialtyPrice": {}
                    }
                ];
                _.forEach(data, function(drug) {
                    if (drug.retailPrice !== undefined || drug.mailPrice !== undefined) {
                        response.push(drug);
                    }
                });

                const filterItems = data.filter(item => item.retailPrice && item.mailPrice)

                console.log(filterItems);

            
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.min.js"></script>

Expected Outcome

[{
        "isBrand": false,
        "drugName": "Atorvastatin Calcium",
        "drugStrength": "80mg",
        "drugForm": "Tablet",
        "mailPrice": {
            "totalQuantity": 90,
            "rejectMessage": [{
                "settlementCode": "99",
                "settlementDesc": "Sorry, the system is temporarily:Lo sentimos,Intente(Código de error 85)"
            }]
        },
        "retailPrice": {
            "totalQuantity": 30,
            "rejectMessage": [{
                "settlementCode": "99",
                "settlementDesc": "Sorry, the system is temporarily:Lo sentimos,Intente(Código de error 85)"
            }]
        },
        "specialtyPrice": {}
    }
];
javascriptarraysecmascript-6

Answer №1

Trying this out.

const checkObjectNotEmpty = function(obj){
    return Object.keys(obj).length > 0;
},
checkObjectHasPrice = function(obj){
    return obj.hasOwnProperty("mailPrice") && obj.hasOwnProperty("retailPrice");
};


const filteredItems = data.filter( item => return checkObjectHasPrice(item) && checkObjectNotEmpty(item.mailPrice) && checkObjectNotEmpty(item.retailPrice);

Answer №2

You can use the Array.forEach method in JavaScript like so:

data.forEach(d => (d.retailPrice || d.mailPrice) ? response.push(d) : null)

This implementation would appear as follows:

const response = [];
const data = [{
    "isBrand": true,
    "drugName": "Lipitor",
    "specialtyPrice": {}
  },
  {
    "isBrand": false,
    "drugName": "Atorvastatin Calcium",
    "drugStrength": "80mg",
    "drugForm": "Tablet",
    "mailPrice": {
      "totalQuantity": 90,
      "rejectMessage": [{
        "settlementCode": "99",
        "settlementDesc": "Sorry, the system is temporarily:Lo sentimos,Intente(Código de error 85)"
      }]
    },
    "retailPrice": {
      "totalQuantity": 30,
      "rejectMessage": [{
        "settlementCode": "99",
        "settlementDesc": "Sorry, the system is temporarily:Lo sentimos,Intente(Código de error 85)"
      }]
    },
    "specialtyPrice": {}
  }
];

data.forEach(d => (d.retailPrice || d.mailPrice) ? response.push(d) : null)

const filterItems = data.filter(item => item.retailPrice && item.mailPrice)

console.log(filterItems);

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