How to use

mapKeys

function

in

Object

_(process.env)
 // Only muck with prefix_ variables
 .pickBy((value, key) => _.includes(key, prefix))
 // Prep the keys for consumption
 .mapKeys((value, key) => _.camelCase(_.trimStart(key, prefix)))
 // If we have a JSON string as a value, parse that and assign its sub-keys
 .mapValues(exports.tryConvertJson)
 // Resolve the lodash wrapper
 .value()