chore(docs): Adding info about moment.js in getting started - FRONT-3576

README.md

@@ -82,6 +82,11 @@ The ECL is bundled in various [presets](docs/presets.md) in order to accomodate
   ></script>
   ```
 
+### :warning: moment.js
+
+ECL uses [Pikaday](https://github.com/Pikaday/Pikaday) which requires [moment.js](https://momentjs.com/) and this library is not bundled by ECL.
+Therefore **moment.js needs to be loaded or bundled by the application or website using ECL**, depending on the needs.
+
 ## Need help?
 
 Please contact [COMM Europa Management](mailto:Europamanagement@ec.europa.eu) for support on using this resource for a European Commission website.

src/website/src/pages/ec/getting-started/index.md

@@ -64,6 +64,11 @@ Here is an example of default HTML file using ECL:
 </html>
 ```
 
+### moment.js
+
+As explained in a more technical language in the [datepicker api page](/ec/components/forms/datepicker/api/) ECL uses [Pikaday](https://github.com/Pikaday/Pikaday) which requires [moment.js](https://momentjs.com/) and this library is not bundled by ECL.
+Therefore **moment.js needs to be loaded or bundled by the application or website using ECL**, depending on the needs.
+
 ### Update file path and name
 
 - If you wish to use ECL EU instead of ECL EC, you can find information here <Link to="/eu/getting-started/" label="Getting started EU" />

src/website/src/pages/eu/getting-started/index.md

@@ -63,6 +63,10 @@ Here is an example of default HTML file using ECL:
   </body>
 </html>
 ```
+### moment.js
+
+As explained in a more technical language in the [datepicker api page](/eu/components/forms/datepicker/api/) ECL uses [Pikaday](https://github.com/Pikaday/Pikaday) which requires [moment.js](https://momentjs.com/) and this library is not bundled by ECL.
+Therefore **moment.js needs to be loaded or bundled by the application or website using ECL**, depending on the needs.
 
 ### Update file path and name