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Filter array by finding multiple conditions in nested array of objects

I have an array with a nested array of objects, I want to filter the data where the object of the nested arrays meets multiple conditions.

Here's the sample data.

const providerList = [
  {
    id: "bac4ef8d",
    provider_name: 'Paa Ra'
    provider_gender: "Male",
    provider_item: [
      {
        itemID: "5911319b"
        is_approved: true,
        is_active: true,
      },
      {
        itemID: "937a56d7"
        is_approved: true,
        is_active: true,
      },
    ],
  },
  {
    id: "9df373d5",
    provider_name: "Che Ta",
    provider_gender: "Female",
    provider_item: [
      {
        itemID: "5911319b"
        is_approved: true,
        is_active: true,
      }
    ],
  }
]

These are the filters, note that the itemID can have any number of elements.

const itemFilter = {
  itemID: ["5911319b", "937a56d7"],
  is_approved: [true],
  is_active: [true],
};

Here's my code, however the output does not return as desired.

const filterProviders = providerList.filter(provider =>
  provider.provider_item.every(item =>
    Object.entries(itemFilter).every(([k, v]) => v.includes(item[k]))),
);

I require to filter the providerList and returning providers where the provier_item matches all values in itemFilter. The expected output for the above itemFilter would be:

filterProviders = [
  {
    id: "bac4ef8d",
    provider_name: 'Paa Ra'
    provider_gender: "Male",
    provider_item: [
      {
        itemID: "5911319b"
        is_approved: true,
        is_active: true,
      },
      {
        itemID: "937a56d7"
        is_approved: true,
        is_active: true,
      },
    ],
  }
]

5 months ago · Juan Pablo Isaza

1 answers

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Answer 1 · 2022-07-06T15:53:51.053Z

Is this what you are after:

const providerList = [{
    id: "bac4ef8d",
    provider_name: 'Paa Ra',
    provider_gender: "Male",
    provider_item: [{
        itemID: "5911319b",
        is_approved: true,
        is_active: true,
      },
      {
        itemID: "937a56d7",
        is_approved: true,
        is_active: true,
      }
    ]
  },
  {
    id: "9df373d5",
    provider_name: "Che Ta",
    provider_gender: "Female",
    provider_item: [{
      itemID: "5911319b",
      is_approved: true,
      is_active: true,
    }],
  }
]

const itemFilter = {
  itemID: ["937a56d7", "5911319b"],
  is_approved: [true],
  is_active: [true],
}

const filterProviders = providerList.reduce((acc, provider) => {
  provider.provider_item = provider.provider_item.filter(item => (
    itemFilter.itemID.every(ai => provider.provider_item.map(i => i.itemID).includes(ai)) &&
    itemFilter.is_approved.includes(item.is_approved) &&
    itemFilter.is_active.includes(item.is_active)
  ))

  let providerCount = provider.provider_item.length

  if (providerCount > 0 && providerCount === itemFilter.itemID.length) {
    acc.push(provider)
  }

  return acc
}, [])

console.log(filterProviders)