@samnarduzzi/lotide/findKey.js

Lotide proejct containf files, test code files, index, and descriptions for all files

const assertEqual = function(actual, expected) {
  if (actual === expected) {
    console.log(`Assertion passed: ${actual} === ${expected}`);
  } else {
    console.log(`Assertion failed: ${actual} !== ${expected}`);
  }
};


const findKey = function(object, callback) {
  for (const item in object) {
    if (callback(object[item])) {
      return item;
    }
  }
};

const list = {
  "Blue Hill": { stars: 1 },
  "Akaleri": { stars: 3 },
  "noma": { stars: 2 },
  "elBulli": { stars: 3 },
  "Ora": { stars: 2 },
  "Akelarre": { stars: 3 }
};
const result = findKey(list, x => x.stars === 2);
console.log(result);
// returns "noma"