src/Constants/types.js

export const DATE = 'date';
export const UNDEFINED = 'undefined';
export const NUMBER = 'number';
export const BOOLEAN = 'boolean';
export const OBJECT = 'object';
export const STRING = 'string';
export const SYMBOL = 'symbol';
export const REG_EXP = 'regexp';
export const ARRAY = 'array';
export const FUNCTION = 'function';
export const NULL = 'null';