nb-rangepicker error when locale language is not en-US

Issue type

I’m submitting a … (check one with “x”)

• bug report
• feature request

Issue description

Current behavior:

When language is en-US, the rangepicker is OK, and the date range I selected would be inserted the input element, but after I change language to zh-cn or fr, the value I selected would not be shown on the input element.

Expected behavior:

It should be OK when locale language is not en-US Steps to reproduce:

I reproduce this issue here Related code:

<nb-layout>

  <nb-layout-header fixed>
    <!-- Insert header here -->
  </nb-layout-header>

  <nb-layout-column>


    <div style="text-align: center;">
      <input style="width: 300px;" nbInput [nbDatepicker]="datepicker">
      <nb-datepicker #datepicker></nb-datepicker>
    </div>
    <br>
    <div style="text-align: center; ">
      <input style="width: 300px;" nbInput placeholder="Form Picker" [nbDatepicker]="formpicker">
      <nb-rangepicker #formpicker></nb-rangepicker>
    </div>


  </nb-layout-column>

  <nb-layout-footer fixed>
    <!-- Insert footer here -->
  </nb-layout-footer>

</nb-layout>

Other information:

npm, node, OS, Browser

node version: 10.15.3
os: mac mojavo
browser: chorme

Angular, Nebular

angular: 7.2.0
nebular: 3.5.0

[ejthan]

I got the same issue. is there any quick fix? or do I have to install moment?

[stanciupaul]

⚠️ Issue is still present on Nebular 6.2.2 for other locales than en-US. Installing @nebular/moment and moment didn’t fix the issue for me.