Use lodash to filter array of objects and check if object property value exists in another Array

Question

I am trying to achieve the following task with lodash or pure JS.

I have an Array of Objects which I filter by a given property value


let res = _.filter(array, {obj.property: "somevalue"}

Now I have another Array like so [val1, val2,val3] which I want the filtered array properties to compare with like so.

let res = _.filter(array, {obj.property1: "somevalue", obj.property2: existsInOtherArray}

Can you provide an example with the input and expected output? — Cuong Vu
– Cuong Vu, Commented Sep 19, 2021 at 20:00

Adam B · Accepted Answer · 2021-09-19 21:59:23Z

1

You can use a set and the filter method of array like:

const array = [
  {property1: 'somevalue'},
  {property1: 'somevalue', property2: 'val2'}
]

const set = new Set(['val1', 'val2', 'val3'])
const res = array.filter(obj => obj.property1 === 'somevalue'
                                && set.has(obj.property2))

console.log(res)

answered Sep 19, 2021 at 21:59

Adam B

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