Find in array of object by object (Module)

index.js

const findByObject = (arrayOfObject, sourceObject) => {
  let arr = [];
  const sourceKey = Object.keys(sourceObject);
  return collection.filter((obj) => {
    return sourceKey
    .map((key) => {
      return obj.hasOwnProperty(key) && obj[key] === sourceObject[key]
    })
    .reduce((a,b) => {
      return (a && b)
    })
  })
  return arr;
}