@coreui/react-pro/src/utils/getTransitionDurationFromElement.ts

UI Components Library for React.js

const getTransitionDurationFromElement = (element: HTMLElement) => {
  if (!element) {
    return 0
  }

  // Get transition-duration of the element
  let { transitionDuration, transitionDelay } = window.getComputedStyle(element)

  const floatTransitionDuration = Number.parseFloat(transitionDuration)
  const floatTransitionDelay = Number.parseFloat(transitionDelay)

  // Return 0 if element or transition duration is not found
  if (!floatTransitionDuration && !floatTransitionDelay) {
    return 0
  }

  // If multiple durations are defined, take the first
  transitionDuration = transitionDuration.split(',')[0]
  transitionDelay = transitionDelay.split(',')[0]

  return (Number.parseFloat(transitionDuration) + Number.parseFloat(transitionDelay)) * 1000
}

export default getTransitionDurationFromElement