// Follow https://material.google.com/motion/duration-easing.html#duration-easing-natural-easing-curves
// to learn the context in which each easing should be used.
const easing = {
  // This is the most common easing curve.
  easeInOut: 'cubic-bezier(0.4, 0, 0.2, 1)',
  // Objects enter the screen at full velocity from off-screen and
  // slowly decelerate to a resting point.
  easeOut: 'cubic-bezier(0.0, 0, 0.2, 1)',
  // Objects leave the screen at full velocity. They do not decelerate when off-screen.
  easeIn: 'cubic-bezier(0.4, 0, 1, 1)',
  // The sharp curve is used by objects that may return to the screen at any time.
  sharp: 'cubic-bezier(0.4, 0, 0.6, 1)'
};

// Follow https://m2.material.io/guidelines/motion/duration-easing.html#duration-easing-common-durations
// to learn when use what timing
const duration = {
  shortest: 150,
  shorter: 200,
  short: 250,
  // most basic recommended timing
  standard: 300,
  // this is to be used in complex animations
  complex: 375,
  // recommended when something is entering screen
  enteringScreen: 225,
  // recommended when something is leaving screen
  leavingScreen: 195
};
function formatMs(milliseconds) {
  return `${Math.round(milliseconds)}ms`;
}
function getAutoHeightDuration(height) {
  if (!height) {
    return 0;
  }
  const constant = height / 36;

  // https://www.desmos.com/calculator/vbrp3ggqet
  return Math.min(Math.round((4 + 15 * constant ** 0.25 + constant / 5) * 10), 3000);
}
function createTransitions(inputTransitions) {
  const mergedEasing = {
    ...easing,
    ...inputTransitions.easing
  };
  const mergedDuration = {
    ...duration,
    ...inputTransitions.duration
  };
  const create = (props = ['all'], options = {}) => {
    const {
      duration: durationOption = mergedDuration.standard,
      easing: easingOption = mergedEasing.easeInOut,
      delay = 0,
      ...other
    } = options;
    return (Array.isArray(props) ? props : [props]).map(animatedProp => `${animatedProp} ${typeof durationOption === 'string' ? durationOption : formatMs(durationOption)} ${easingOption} ${typeof delay === 'string' ? delay : formatMs(delay)}`).join(',');
  };
  return {
    getAutoHeightDuration,
    create,
    ...inputTransitions,
    easing: mergedEasing,
    duration: mergedDuration
  };
}

export { createTransitions as default, duration, easing };
//# sourceMappingURL=createTransitions.mjs.map
