import _extends from "@babel/runtime/helpers/esm/extends";
import get from './get';
function internalSet(entity, paths, value, removeIfUndefined) {
  if (!paths.length) {
    return value;
  }
  const [path, ...restPath] = paths;
  let clone;
  if (!entity && typeof path === 'number') {
    clone = [];
  } else if (Array.isArray(entity)) {
    clone = [...entity];
  } else {
    clone = _extends({}, entity);
  }
  // Delete prop if `removeIfUndefined` and value is undefined
  if (removeIfUndefined && value === undefined && restPath.length === 1) {
    delete clone[path][restPath[0]];
  } else {
    clone[path] = internalSet(clone[path], restPath, value, removeIfUndefined);
  }
  return clone;
}
export default function set(entity, paths, value, removeIfUndefined = false) {
  // Do nothing if `removeIfUndefined` and parent object not exist
  if (paths.length && removeIfUndefined && value === undefined && !get(entity, paths.slice(0, -1))) {
    return entity;
  }
  return internalSet(entity, paths, value, removeIfUndefined);
}