jsmp-infra-plotnikov/dist/lib/string/transformString.js

jsmp test package that contains some mutations

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = transformString;

var _lodash = require("lodash");

var operationTypes = {
  Uppercase: 'uppercase',
  Lowercase: 'lowercase'
};

var toUppercase = function toUppercase(string) {
  return string.toUpperCase();
};

var toLowerCase = function toLowerCase(string) {
  return string.toLowerCase();
};

var operationToActionMap = new Map([[operationTypes.Uppercase, toUppercase], [operationTypes.Lowercase, toLowerCase]]);

function transformString(string, operation) {
  try {
    if (!(0, _lodash.isString)(string)) {
      return null;
    }

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

    if (!isSupportedOperation) {
      return string;
    }

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