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createTransitions.js
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Sun, Jan 26, 21:43

createTransitions.js
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import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import _extends from "@babel/runtime/helpers/esm/extends";
const _excluded = ["duration", "easing", "delay"];
// 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 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
export 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.wolframalpha.com/input/?i=(4+%2B+15+*+(x+%2F+36+)+**+0.25+%2B+(x+%2F+36)+%2F+5)+*+10
return Math.round((4 + 15 * constant ** 0.25 + constant / 5) * 10);
}
export default function createTransitions(inputTransitions) {
const mergedEasing = _extends({}, easing, inputTransitions.easing);
const mergedDuration = _extends({}, duration, inputTransitions.duration);
const create = (props = ['all'], options = {}) => {
const {
duration: durationOption = mergedDuration.standard,
easing: easingOption = mergedEasing.easeInOut,
delay = 0
} = options,
other = _objectWithoutPropertiesLoose(options, _excluded);
if (process.env.NODE_ENV !== 'production') {
const isString = value => typeof value === 'string';
// IE11 support, replace with Number.isNaN
// eslint-disable-next-line no-restricted-globals
const isNumber = value => !isNaN(parseFloat(value));
if (!isString(props) && !Array.isArray(props)) {
console.error('MUI: Argument "props" must be a string or Array.');
}
if (!isNumber(durationOption) && !isString(durationOption)) {
console.error(`MUI: Argument "duration" must be a number or a string but found ${durationOption}.`);
}
if (!isString(easingOption)) {
console.error('MUI: Argument "easing" must be a string.');
}
if (!isNumber(delay) && !isString(delay)) {
console.error('MUI: Argument "delay" must be a number or a string.');
}
if (Object.keys(other).length !== 0) {
console.error(`MUI: Unrecognized argument(s) [${Object.keys(other).join(',')}].`);
}
}
return (Array.isArray(props) ? props : [props]).map(animatedProp => `${animatedProp} ${typeof durationOption === 'string' ? durationOption : formatMs(durationOption)} ${easingOption} ${typeof delay === 'string' ? delay : formatMs(delay)}`).join(',');
};
return _extends({
getAutoHeightDuration,
create
}, inputTransitions, {
easing: mergedEasing,
duration: mergedDuration
});
}

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