Get the index of an object in an array based on a property

getObjectIndex.js

function getObjectIndex (array, key, term) {
  return array.indexOf(array.find(it => it[key] === term))
}

// Example: find the index of the object where object.foo == 'apple'
const myArray = [
 {
   'foo': 'foo',
   'bar': 'bar',
   'baz': 'baz'
 },
 {
   'foo': 'apple',
   'bar': 'banana',
   'baz': 'orange'
 },
 { 
   'foo': 'cat',
   'bar': 'dog',
   'baz': 'bear'
 }
];

console.log(getObjectIndex(myArray, 'foo', 'apple')) // 1