@material-ui/core/esm/styles/transitions.js

React components that implement Google's Material Design.

import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";

/* eslint-disable no-restricted-globals */
import warning from 'warning'; // 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.

export var 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://material.io/guidelines/motion/duration-easing.html#duration-easing-common-durations
// to learn when use what timing

export var 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
};
export var formatMs = function formatMs(milliseconds) {
  return "".concat(Math.round(milliseconds), "ms");
};
export var isString = function isString(value) {
  return typeof value === 'string';
};
export var isNumber = function isNumber(value) {
  return !isNaN(parseFloat(value));
};
/**
 * @param {string|Array} props
 * @param {object} param
 * @param {string} param.prop
 * @param {number} param.duration
 * @param {string} param.easing
 * @param {number} param.delay
 */

export default {
  easing: easing,
  duration: duration,
  create: function create() {
    var props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['all'];
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

    var _options$duration = options.duration,
        durationOption = _options$duration === void 0 ? duration.standard : _options$duration,
        _options$easing = options.easing,
        easingOption = _options$easing === void 0 ? easing.easeInOut : _options$easing,
        _options$delay = options.delay,
        delay = _options$delay === void 0 ? 0 : _options$delay,
        other = _objectWithoutProperties(options, ["duration", "easing", "delay"]);

    process.env.NODE_ENV !== "production" ? warning(isString(props) || Array.isArray(props), 'Material-UI: argument "props" must be a string or Array.') : void 0;
    process.env.NODE_ENV !== "production" ? warning(isNumber(durationOption) || isString(durationOption), "Material-UI: argument \"duration\" must be a number or a string but found ".concat(durationOption, ".")) : void 0;
    process.env.NODE_ENV !== "production" ? warning(isString(easingOption), 'Material-UI: argument "easing" must be a string.') : void 0;
    process.env.NODE_ENV !== "production" ? warning(isNumber(delay) || isString(delay), 'Material-UI: argument "delay" must be a number or a string.') : void 0;
    process.env.NODE_ENV !== "production" ? warning(Object.keys(other).length === 0, "Material-UI: unrecognized argument(s) [".concat(Object.keys(other).join(','), "]")) : void 0;
    return (Array.isArray(props) ? props : [props]).map(function (animatedProp) {
      return "".concat(animatedProp, " ").concat(typeof durationOption === 'string' ? durationOption : formatMs(durationOption), " ").concat(easingOption, " ").concat(typeof delay === 'string' ? delay : formatMs(delay));
    }).join(',');
  },
  getAutoHeightDuration: function getAutoHeightDuration(height) {
    if (!height) {
      return 0;
    }

    var constant = height / 36; // https://www.wolframalpha.com/input/?i=(4+%2B+15+*+(x+%2F+36+)+**+0.25+%2B+(x+%2F+36)+%2F+5)+*+10

    return Math.round((4 + 15 * Math.pow(constant, 0.25) + constant / 5) * 10);
  }
};