Extract Array Keys

Method is used for arrange your object keys from array. it will put all object keys with same key+value in duplicatedKeys itt will put all object keys with different key+values in uniqueKeys

Install

yarn add extract-array-keys

npm install extract-array-keys

---

Usage

Props

Name	Type	Default	Description
array	ArrayKey[]	required	The array you want to arrange, must be an object array, object could be nested
excludedKeys	string[]	[]	The keys you want to remove(set as duplicatedKeys) by default
includedKeys	string[]	[]	The keys you want to keep(set as uniqueKeys) by default
specificKey	string	undefined	if object is nested, the specific key you want to start from

Return

Name	Type	Description
duplicatedKeys	string[]	Could get all excludedKeys from array
uniqueKeys	string[]	Could get all includedKeys from array

With only array

import extractArrayKeys from 'extract-array-keys'

// with only array
const { duplicatedKeys, uniqueKeys } = extractArrayKeys({
    array: [
      { a: 1, b: 2, c: 3, d: 4 },
      { a: 1, b: 2, c: 3, d: 5 },
      { a: 1, b: 2, c: 4, d: 6 },
      { a: 1, b: 2, c: 4, d: 7 },
    ],
  });

console.log(duplicatedKeys)
// ["a", "b"]
console.log(uniqueKeys)
// ["c", "d"]

---

With array and excludedKeys

import extractArrayKeys from 'extract-array-keys'

// with only array
const { duplicatedKeys, uniqueKeys } = extractArrayKeys({
    array: [
      { a: 1, b: 2, c: 3, d: 4 },
      { a: 1, b: 2, c: 3, d: 5 },
      { a: 1, b: 2, c: 4, d: 6 },
      { a: 1, b: 2, c: 4, d: 7 },
    ],
		excludedKeys: ["c"],
  });

console.log(duplicatedKeys)
// ["a", "b", "c"]
console.log(uniqueKeys)
// ["d"]

---

With array and includedkeys

import extractArrayKeys from 'extract-array-keys'

// with only array
const { duplicatedKeys, uniqueKeys } = extractArrayKeys({
    array: [
      { a: 1, b: 2, c: 3, d: 4 },
      { a: 1, b: 2, c: 3, d: 5 },
      { a: 1, b: 2, c: 4, d: 6 },
      { a: 1, b: 2, c: 4, d: 7 },
    ],
		includedkeys: ["a"],
  });

console.log(duplicatedKeys)
// ["b"]
console.log(uniqueKeys)
// ["a", "c", "d"]

---

With array, specificKey, excludedKeys and includedKeys

const { duplicatedKeys, uniqueKeys } = extractArrayKeys({
    specificKey: "metric",
    array: [
      { metric: { a: 1, b: 2, c: 3, d: 4 }, value: { x: 1, y: 2, z: 3 } },
      { metric: { a: 1, b: 2, c: 3, d: 4 }, value: { x: 1, y: 2, z: 3 } },
      { metric: { a: 1, b: 2, c: 3, d: 5 }, value: { x: 1, y: 2, z: 3 } },
      { metric: { a: 1, b: 2, c: 4, d: 6 }, value: { x: 1, y: 2, z: 3 } },
      { metric: { a: 1, b: 2, c: 4, d: 7 }, value: { x: 1, y: 2, z: 3 } },
    ],
    excludedKeys: ["c"],
    includedKeys: ["a"],
  });

console.log(duplicatedKeys)
// ["b", "c"]
console.log(uniqueKeys)
// ["a", "d"]

License

• MIT License