app/assets/javascripts/kubernetes_dashboard/helpers/k8s_integration_helper.js


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import { differenceInSeconds } from '~/lib/utils/datetime_utility';

export function getAge(creationTimestamp) {
  if (!creationTimestamp) return '';

  const timeDifference = differenceInSeconds(new Date(creationTimestamp), new Date());

  const seconds = Math.floor(timeDifference);
  const minutes = Math.floor(seconds / 60) % 60;
  const hours = Math.floor(seconds / 60 / 60) % 24;
  const days = Math.floor(seconds / 60 / 60 / 24);

  let ageString;
  if (days > 0) {
    ageString = `${days}d`;
  } else if (hours > 0) {
    ageString = `${hours}h`;
  } else if (minutes > 0) {
    ageString = `${minutes}m`;
  } else {
    ageString = `${seconds}s`;
  }

  return ageString;
}