This code base is a test make to midudev by recruiter from arc.dev

arc-test-midulive.js

import assert from 'node:assert';

const firstLeftArray = [
  { id: 0, name: 'Miguel' },
  { id: 1, name: 'Justin' },
  { id: 3, name: 'Test' },
];
const firstRightArray = [
  { id: 0, email: 'miduga@gmail.com' },
  { id: 2, email: 'alpha@gmail.com' },
  { id: 3, email: 'test@gmail.com' },
];
const secondLeftArray = [
  { id: 0, name: 'Miguel' },
  { id: 1, name: 'Justin' },
];
const secondRightArray = [
  { id: 0, email: 'miduga@gmail.com' },
  { id: 2, email: 'alpha@gmail.com' },
];
const thirdLeftArray = [
  { id: 0, name: 'Miguel', email: 'miduga@gmail.com' },
  { id: 1, name: 'Justin' },
  { id: 3, name: 'Test', email: 'test@gmail.com' },
];
const thirdRightArray = [
  { id: 0, lastName: 'Duran' },
  { id: 2, email: 'alpha@gmail.com', lastName: 'Faker' },
  { id: 3, email: 'test@gmail.com', lastName: 'Faker2' },
];
const firstExpectedOutput = [
  { id: 0, name: 'Miguel', email: 'miduga@gmail.com' },
  { id: 3, name: 'Test', email: 'test@gmail.com' },
];
const secondExpectedOutput = [
  { id: 0, name: 'Miguel', email: 'miduga@gmail.com' },
];
const thirdExpectedOutput = [
  { id: 3, name: 'Test', email: 'test@gmail.com', lastName: 'Faker2' },
];

function innerJoin(leftArray, rightArray, key) {
  // do the magic here
}

const firstResult = innerJoin(firstLeftArray, firstRightArray, 'id');
const secondResult = innerJoin(secondLeftArray, secondRightArray, 'id');
const thirdResult = innerJoin(thirdLeftArray, thirdRightArray, 'email');

assert.deepStrictEqual(
  firstExpectedOutput,
  firstResult,
  '❌ First expected output not match'
);
console.log('✅ First expected output match');

assert.deepStrictEqual(
  secondExpectedOutput,
  secondResult,
  '❌ Second expected output not match'
);
console.log('✅ Second expected output match');

assert.deepStrictEqual(
  thirdExpectedOutput,
  thirdResult,
  '❌ Third expected output not match'
);
console.log('✅ Third expected output match');

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