@stewartmac/lotide/findKeyByValue.js

Modular collection of functions that operate on data, namely Arrays and Objects.

const findKeyByValue = function(object, value) {
  const keys = Object.keys(object);
  for (let key of keys) {
    if (object[key] === value) return key;
  }
  return undefined;
};

module.exports = findKeyByValue;