jsmp-infra-plotnikov/src/lib/array/transformArray.js

jsmp test package that contains some mutations

import { isArray } from 'lodash';

const operationTypes = {
  Reverse: 'reverse'
};

const reverseArray = array => array.reverse();

const operationToActionMap = new Map([
  [operationTypes.Reverse, reverseArray]
]);

export default function transformArray(array, operation) {
  try {
    if (!isArray(array)) {
      return null;
    }

    const isSupportedOperation = Object.values(operationTypes).includes(operation);

    if (!isSupportedOperation) {
      return array;
    }

    return operationToActionMap.get(operation)(array);
  } catch (e) {
    console.log(e);
  }
}