Function createMemoryHistory

createMemoryHistory(initialEntries, options?): History
Creates the history adapter that reads and writes location to an in-memory stack.
Parameters
- initialEntries: (string | To)[]
  A non-empty array of initial history entries. If an entry is a string, it should start with a HistoryOptions.basePathname.
- options: HistoryOptions = {}
  History options.
Returns History