@material/animation
Advanced tools
Animation Variables and Mixins used by Material Components for the web
@material/animation is a utility package from Material Design Components (MDC) that provides a set of functions and constants to help create smooth and consistent animations. It is designed to be used with other MDC components to ensure that animations follow Material Design guidelines.
Animation Curves
Provides predefined animation curves such as easeInOut, easeOut, and easeIn that can be used to create smooth transitions and animations.
const { easeInOut, easeOut, easeIn } = require('@material/animation');
// Example usage in a CSS-in-JS style object
const styles = {
transition: `all 250ms ${easeInOut}`
};Animation Durations
Includes standard durations for animations, such as short, medium, and long, to ensure consistency across different components.
const { duration } = require('@material/animation');
// Example usage in a CSS-in-JS style object
const styles = {
transitionDuration: `${duration.standard}ms`
};Keyframe Animations
Provides utility functions to handle keyframe animations and ensure compatibility across different browsers.
const { getCorrectEventName } = require('@material/animation');
// Example usage in JavaScript
const animationEndEvent = getCorrectEventName(window, 'animationend');
element.addEventListener(animationEndEvent, () => {
console.log('Animation ended');
});Anime.js is a lightweight JavaScript animation library with a simple, yet powerful API. It supports various types of animations including CSS properties, SVG, DOM attributes, and JavaScript objects. Compared to @material/animation, Anime.js offers a more extensive set of features and greater flexibility for complex animations.
GSAP (GreenSock Animation Platform) is a robust JavaScript library for high-performance animations. It is widely used for creating complex timelines and animations with precise control. GSAP provides more advanced features and customization options compared to @material/animation, making it suitable for more intricate animation needs.
Velocity is an animation engine that combines the best of jQuery and CSS transitions. It offers a rich set of features for creating smooth animations and is known for its performance. While @material/animation focuses on Material Design guidelines, Velocity provides a more general-purpose solution for web animations.
Material in motion is responsive and natural. Use these easing curves and duration patterns to create smooth and consistent motion.
npm install @material/animation
We provide timing functions which you can use with the animation or transition CSS properties
@use "@material/animation";
.my-element--animating {
animation: foo-keyframe 175ms animation.$standard-curve-timing-function;
}
| Variable | Description |
|---|---|
$deceleration-curve-timing-function | Timing function to decelerate |
$standard-curve-timing-function | Timing function to quickly accelerate and slowly decelerate |
$acceleration-curve-timing-function | Timing function to accelerate |
$sharp-curve-timing-function | Timing function to quickly accelerate and decelerate |
The following functions create transitions given $name and the $duration. You can also specify $delay, but the default is 0ms. $name can either refer to the keyframe, or to CSS property used in transition.
@use "@material/animation";
.my-element {
transition: animation.exit-permanent(/* $name: */ opacity, /* $duration: */ 175ms, /* $delay: */ 150ms);
opacity: 0;
will-change: opacity;
&--animating {
transition: animation.enter(/* $name: */ opacity, /* $duration: */ 175ms);
opacity: 1;
}
}
@use "@material/animation";
@keyframes fade-in {
from {
transform: translateY(-80px);
opacity: 0;
}
to {
transform: translateY(0);
opacity: 1;
}
}
.my-element {
animation: animation.enter(/* $name: */ fade-in, /* $duration: */ 350ms);
}
| Function | Description |
|---|---|
enter($name, $duration, $delay) | Defines transition for entering the frame |
exit-permanent($name, $duration, $delay) | Defines transition for exiting the frame permanently |
exit-temporary($name, $duration, $delay) | Defines transition for exiting the frame temporarily |
These functions handle prefixing across various browsers
import {getCorrectEventName} from '@material/animation';
const eventToListenFor = getCorrectEventName(window, 'animationstart');
| Method Signature | Description |
|---|---|
getCorrectEventName(windowObj: Window, eventType: StandardJsEventType) => StandardJsEventType | PrefixedJsEventType | Returns a JavaScript event name, prefixed if necessary. See types.ts for supported values. |
getCorrectPropertyName(windowObj: Window, cssProperty: StandardCssPropertyName) => StandardCssPropertyName | PrefixedCssPropertyName | Returns a CSS property name, prefixed if necessary. See types.ts for supported values. |
6.0.0 (2020-04-22)
[@use](https://github.com/use) (098ae32)indeterminate checkbox (b273afa)select: HTML Markup significantly changed, see README; REMOVED adapter methods isSelectedTextFocused, getSelectedTextAttr, setSelectedTextAttr; ADDED adapter methods isSelectAnchorFocused, getSelectAnchorAttr, setSelectAnchorAttr; removed variables outlined-dense-label-position-y, icon-padding; added variables minimum-height-for-filled-label, filled-baseline-top, selected-text-height, anchor-padding-left, anchor-padding-left-with-leading-icon, anchor-padding-right.
text-field: Redundant mixins mdc-text-field-textarea-fill-color, mdc-text-field-textarea-stroke-color, mdc-text-field-fullwidth-bottom-line-color removed. Instead, use mdc-text-field-fill-color, mdc-text-field-outline-color, and mdc-text-field-bottom-line-color respectively to achieve the same effect.
textfield: mdc-text-field--dense and associated mixins/variables have been removed. Use the density() mixin instead.
textfield: removed the following variables: $input-padding, $input-padding-top, $input-padding-bottom, $outlined-input-padding-top, $outlined-input-padding-bottom, $input-border-bottom
linear-progress: DOM for linear progress buffer changed. MDCLinearProgressAdapter method getBuffer, getPrimaryBar, setStyle removed. MDCLinearProgressAdapter method setBufferBarStyle, setPrimaryBarStyle added.
linear-progress: DOM for linear progress buffer changed. MDCLinearProgressAdapter method getBuffer, getPrimaryBar, setStyle removed. MDCLinearProgressAdapter method setBufferBarStyle, setPrimaryBarStyle added.
typography: typography.baseline-top() and typography.baseline-bottom() are now private. Use typography.baseline() for containers and typography.text-baseline() for text with $top and $bottom params.
chips: The touch target and text now appear inside the primary action element. Please see the readme for markup changes.
textfield: filled text fields must include a <div class="mdc-text-field__ripple"></div>
textfield: Filled textfields will no longer show a floating label at certain densities. This can be overridden by setting $mdc-text-field-minimum-height-for-filled-label: 40px
chips: Both MDCChipAdapter and MDCChipSetAdapter have new methods. MDCChipSetFoundation event handlers now accept the corresponding chip event detail interface as the sole argument. The root property has been removed from the MDCChipRemovalEventDetail interface.
line-ripple: mdc-line-ripple-color() mixin has been renamed to mdc-line-ripple-active-color()
textfield: Default textfields must now specify mdc-text-field--filled. Disabled outlined textfields no longer have a shaded background. Height mixin no longer specifies a baseline override, use typography's baseline-top mixin.
Four variables and a mixin in mdc-textfield were renamed to use a mdc-text-field- prefix when depended on via @import (formerly mdc-required-text-field-label-asterisk_, now required-label-asterisk_).
textfield: icons must use .mdc-text-field__icon--leading or .mdc-text-field__icon--trailing classes. mdc-text-field-icon-color() mixin has been split into mdc-text-field-leading-icon-color() and mdc-text-field-trailing-icon-color().
switch: Added setNativeControlAttr method in mdc-switch adapter.
checkbox: remove event listener for 'change' and add event listener for 'click'.
$mdc-button-disabled-container-fill-color
renamed to $mdc-button-disabled-container-color.$edgeOptOut option from mdc-theme-prop() Sass mixin.FAQs
Animation Variables and Mixins used by Material Components for the web
The npm package @material/animation receives a total of 928,536 weekly downloads. As such, @material/animation popularity was classified as popular.
We found that @material/animation demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 15 open source maintainers collaborating on the project.
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