helpers.relativeTime(date) doesn't work

[MelleD]

Checklist

• [x] I updated the card to the latest version available
• [x] I cleared the cache of my browser

Describe the bug Error on function helpers.relativeTime(date)

Version of the card Version: 4.1.2

To Reproduce This is the configuration I used:

     - type: custom:button-card
        template: card_title
        label: "test relative time"
        name: >
          [[[
            return helpers.relativeTime(states['sensor.sun_next_dawn'].state)
          ]]]

Screenshots

Expected behavior No error ;)

Desktop (please complete the following information):

• Browser chrome
• Version 125.0.6422.78