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License: MIT License
React components for Velocity.js
License: MIT License
if I put the following code from the docs into my app:
require('velocity-animate');
require('velocity-animate/velocity.ui');
I run into errors. I think this is because velocity-animate is installed in the node_models for velocity-react, but isn't available to my main app. I can fix it with the following code, but this seems like a hack:
require('velocity-react/node_modules/velocity-animate');
require('velocity-react/node_modules/velocity-animate/velocity.ui');
I'm trying to reason my way around getting an element to 'scroll' when a property changes. I have this.props.active, and when this changes to true, the element should scroll.
I had anticipated doing something like:
componentDidUpdate() {
if (this.props.active) {
ReactDOM.findDOMNode(this).velocity('scroll', {duration: 500, offset: '54px'});
// This works --> ReactDOM.findDOMNode(this).scrollIntoView({behavior: 'smooth'});
}
}
But I haven't managed to get velocity to work in that context (window is not defined).
scrollIntoView works, but we can do much better/nicer/better supported things with velocity.
Is there a way to solve this scenario using velocity-react?
I'm getting this error when I try to use VelocityComponent
Velocity: First argument (transition.slideLeftIn) was not a property map, a known action, or a registered redirect
Any ideas?
I'm probably using this wrong, but I'm trying to make an overly fade when a variable (post
) is defined.
return <div>
{post ?
<VelocityComponent animation={{opacity: post ? 1 : 0}} duration={300} runOnMount>
<div style={{
background: 'white',
position: 'fixed',
top: 0, right: 0, bottom: 0, left: 0, zIndex: 2000
}}></div>
</VelocityComponent> : ''
}
</div>
How can I achieve the effect I want? I obviously can't render the <VelocityComponent>
and its children unless post
is defined, otherwise there will be a transparent overlay blocking user interaction.
So I got that error while trying things out, Ill just copy pasta my code here, I'm confused as to why this is failing.
import React, { Component } from 'react'
import { Link } from 'react-router'
import Radium from 'radium'
import ReactCSSTransitionGroup from 'react-addons-css-transition-group'
import History from '../../logic/helpers/History'
import VelocityTransitionGroup from 'velocity-react'
import 'velocity-animate'
let styles = {
header: {
display: 'flex',
flexFlow: 'row',
justifyContent: 'space-around'
}
}
// @Radium
export default class Main extends Component {
render() {
const { pathname } = this.props.location
let Child = this.props.children
// Only take the first-level part of the path as key, instead of the whole path.
const key = pathname.split('/')[1] || 'root'
return (
<div>
<div style={{
display: 'flex',
flexFlow: 'row',
justifyContent: 'space-around'
}}>
<Link to='scooby'><h1>Scooby</h1></Link>
<Link to='doo'><h1>Do</h1></Link>
</div>
<VelocityTransitionGroup animation={{ opacity: true ? 1 : 0 }} duration={500}>
{React.cloneElement(this.props.children, { key })}
</VelocityTransitionGroup>
</div>
)
}
}
I did try replacing {React.cloneElement(this.props.children, { key })}
with <div>hi</div>
so I don't think that is the problem, I used React Css Transition Group earlier with almost the same thing {React.cloneElement(this.props.children, { key })}
and it worked but I do want to use velocity :).
Here is my package.json dependencies
"devDependencies": {
"babel": "^5.5.8",
"babel-core": "^5.8.25",
"babel-eslint": "^4.1.3",
"babel-loader": "^5.3.2",
"babel-plugin-react-transform": "^1.1.1",
"body-parser": "^1.14.1",
"chai": "^3.4.0",
"eslint": "^1.2.1",
"eslint-plugin-react": "^3.6.3",
"express": "^4.13.3",
"express-jwt": "^3.1.0",
"chai-immutable": "^1.4.0",
"expect": "^1.12.2",
"growl": "^1.8.1",
"isparta": "^3.1.0",
"mocha": "^2.2.5",
"ncp": "^2.0.0",
"react-transform-catch-errors": "^1.0.0",
"react-transform-hmr": "^1.0.1",
"redbox-react": "^1.1.1",
"redux-devtools": "^2.1.5",
"rimraf": "^2.3.4",
"webpack-dev-middleware": "^1.2.0",
"webpack-hot-middleware": "^2.4.1",
"webpack": "^1.9.6"
},
"dependencies": {
"history": "^1.13.0",
"immutable": "^3.7.5",
"material-ui": "^0.13.1",
"radium": "^0.14.3",
"react": "=0.14.1",
"react-addons-create-fragment": "^0.14.1",
"react-addons-css-transition-group": "^0.14.1",
"react-addons-pure-render-mixin": "^0.14.1",
"react-addons-transition-group": "^0.14.0",
"react-addons-update": "^0.14.1",
"react-dom": "^0.14.1",
"react-router": "^1.0.0-rc3",
"react-tap-event-plugin": "^0.2.1",
"velocity-animate": "^1.2.3",
"velocity-react": "^1.1.1"
}
Radium https://github.com/FormidableLabs/radium
If I add Radium decorator on the component -> then -> velocity transitions don't happen anymore. Probably because both libraries work off of style
property.
This issue is mostly for tracking / search-ability of surprise moment for new users ๐น Refs FormidableLabs/radium#394
hi.
I need to create svg animation. I have two rectangles wraped in g component and all of them are in a react class (see the code) when I use VelocityComponent on the obj class some of the animations working, like the opacity , translateX and the fill animation but not the move X animation.
`
class Obj extends React.Component{
render(){
return(
<g>
<rect x={100} y={300} width={200} height={200}/>
<rect x={400} y={300} width={100} height={100}/>
</g>
);
}
}
export default class MainVelocity extends React.Component {
constructor() {
super();
this.state = {showSubComponent:false};
}
onClick(){
this.setState({showSubComponent: !this.state.showSubComponent});
}
render() {
var anim = { opacity: this.state.showSubComponent ? 1 : 0 ,
x:this.state.showSubComponent?"+=300":"-=300",
translateX:300,
fillGreen:this.state.showSubComponent?255:0,
}
return (
<div>
<button onClick={this.onClick.bind(this)}>click me</button>
<svg
width={window.innerWidth}
height={window.innerHeight}
>
<VelocityComponent animation={anim} duration={500}>
<Obj/>
</VelocityComponent>
</svg>
</div>
);
}
}
`
I could not find any tutorials on how to create svg animations with velocity-react. is it possible? and how is the library support for svg?
by the way I think the way you integrated velocity into react is great!
thanks.
Using VelocityTransitionGroup, I am having an issue getting the leave animation to play, and have gotten into the weeds with both react-router and with velocity-react, but can not figure out the origin of the problem.
Here is the sample site: http://bird-683.getforge.io/#/setup/index?_k=9wdmqy
If you click through the demo (the demo is of a mobile app) - you will notice that the leave
animations do not play. If you pull up the console, you'll also notice that I've added logging for both the leave and enter events in the VelocityTransitionGroupChild
- both of which appear to fire correctly. This is what leads me to believe I may be encountering odd behavior in velocity-react itself, since the events appear to be firing correctly from the original ReactTransitionGroup.
I'm using VelocityTransitionGroup in the following way:
class Setup extends React.Component {
static get contextTypes() {
return {router: React.PropTypes.object.isRequired}
}
componentDidMount() {
this.context.router.push('/setup/index');
}
render() {
const { pathname } = this.props.location;
console.log("pathname =", pathname);
return (
<div className="setup">
<div className="intro-logo" />
<VelocityTransitionGroup
component="div"
enter={{animation: "transition.slideRightBigIn"}}
leave={{animation: "transition.slideLeftBigOut"}}>
{React.cloneElement(this.props.children || <div/>, {key: pathname})}
</VelocityTransitionGroup>
</div>
)
}
}
I am using the most recent versions of react, velocity-react, and react-router.
Hi,
I'm using VelocityTransitionGroup with a custom component that applies props to its children. The props are being applied to the VelocityTransitionGroupChild correctly, but the actual child doesn't receive the props because VelocityTransitionGroupChild is not passing down unused props to its children. Is there a deeper reason why you are not passing props down to actual children?
As per the readme, I'm using the style key in the enter/leave animation hash to set absolute positioning for the child elements to not affect the container height, but the absolute positioning stays on the elements even after the enter/leave animations are complete.
I expected it to default back to its original positioning once velocity-react is done animating. Since it doesn't do this, the parent container loses height/width.
Hi,
Could you publish an example of how to use VelocityTransitionGroup to manage page transitions with react-router both v1.0.0 syntax and the older react-router syntax?
Many thanks,
Does velocity-react support the reset
property for Velocity.RegisterEffect
?
Specifically, I'm attempting to "clean up" the style attribute of a component after the animation is complete.
// Define prep styles for animation
var prepStyles = {
bottom: 0,
left: 0,
position: 'absolute',
right: 0,
top: 0
}
var resetStyles = {
bottom: 'auto',
left: 'auto',
position: 'static',
right: 'auto',
top: 'auto',
}
// Register effects
var scaleFadeIn = velocityHelpers.registerEffect({
defaultDuration: 600,
calls: [
[{
opacity: [1, 0],
scale: [1, [500, 30], 0.5]
}]
],
reset: resetStyles
})
var scaleFadeOut = velocityHelpers.registerEffect({
defaultDuration: 600,
calls: [
[{
opacity: [0, 1],
scale: [0.5, [500, 30], 1]
}]
],
reset: resetStyles
})
// Use animation with style hash
<VelocityTransitionGroup
enter={{ animation: scaleFadeIn, style: prepStyles }}
leave={{ animation: scaleFadeOut, style: prepStyles }}>
{this.state.first ? <First /> : undefined}
{!this.state.first ? <Second /> : undefined}
</VelocityTransitionGroup>
How can I use the scrollTop with velocity-react like described here: http://julian.com/research/velocity/#scroll ?
Any hints?
Hi,
I get the next error to use VelocityTransistionGroup in a react-template
Error: addComponentAsRefTo(...): Only a ReactOwner can have refs. You might be adding a ref to a component that was not created inside a component's
rendermethod, or you have multiple copies of React loaded (details: https://fb.me/react-refs-must-have-owner).
This is the code of the template:
<rt-require dependency="react-bootstrap/lib/Grid" as="Grid" />
<rt-require dependency="react-bootstrap/lib/Row" as="Row" />
<rt-require dependency="react-bootstrap/lib/ListGroup" as="ListGroup"/>
<rt-require dependency="react-bootstrap/lib/ListGroupItem" as="ListGroupItem"/>
<rt-require dependency="react-loader" as="Loader" />
<rt-require dependency="velocity-react/velocity-transition-group" as="VelocityTransitionGroup" />
<VelocityTransitionGroup component="div" enter="transition.fadeIn" leave="transition.fadeOut" duration={200}>
<Grid>
<Row>
<Loader loaded="{this.state.loaded}" color='#bf5a16' top="50%" left="50%" scale={1.00} width={10}>
<ListGroup>
<ListGroupItem rt-repeat="conversation in this.state.conversations" key='{conversationIndex}' header="{conversation.title}">Tiene {conversation.messages ? conversation.messages.length : 0 } mensajes </ListGroupItem>
</ListGroup>
</Loader>
</Row>
</Grid>
</ VelocityTransitionGroup>
In this way I have the render method:
import Template from './Conversations.rt.js'
render(){
return Template.call(this);
}
Thanks and greetings
Is there any specific reason the Velocity UI pack isn't required by default? What is best practice for adding this to a webpack project? Importing it globally doesn't help as the package pulls directly from 'velocity-animate', not the global Velocity object I create within my project.
Currently I'm aliasing 'velocity-animate' to a internal module and adding the UI pack manually but this seems messy.
Thanks, this project looks awesome.
Hi,
First, thanks for updating velocity-react to support React 15.
I wanted to inform that on my project, we had a dependency for:
"velocity-react": "^1.1.1"
In our package.json
, while still using React 0.14.xx. The minor version update for this package caused 2 version of react to be loaded when deployed in production (0.14 and 15), which of course broke the build.
Maybe it will be wiser to give it a bigger version bump, since depending solely on React 15 now is a big change (or, alternatively, depending on react 0.14 and 15, I've seen other packages doing this)?
Thanks
Hey Folks, this looks interesting, nice work!
How would you recommend chaining velocity animations across components (sync or async)? For example,
1 Component on left side of page, 2 Components stacked on right side:
Comp1 | Comp2 |
---|---|
Comp3 |
pseudo...
<div id=left>
<Comp1 />
</div>
<div id=right>
<Comp2 />
<Comp3 />
</div>
I would like to fadeIn/Out Comp1 on a button click. When fading I would also like to fade or slide the right side to full width, sorta like your typical slideout menu effect.
I also want to fadeIn/Out Comp2 on a button click, and nicely slide or fade Comp3 in its place.
So far using bootstrap grid classes for spacing, but the collapsing effects are still too sudden.
For example, I fadeOut Comp1, and apply the class col-md-12 to Comp2 and Comp3. But the class is applied by state change outside of the VelocityComponent, so the right side drops below the left side until the animation is done. Icky. Was thinking fade both sides out, then fade right side back in.
pseudo...
<VelocityComponent>
<div id=left>
<Comp1 />
</div>
<VelocityComponent />
<VelocityComponent>
<div id=right>
<VelocityComponent>
<Comp2 />
<VelocityComponent />
<VelocityComponent>
<Comp3 />
<VelocityComponent />
</div>
<VelocityComponent />
The Velocity docs show chaining but for jquery methods, not React. And the TransitionGroup example seems to show animation sequences applied to one component only, not across sibling components...based on my noob understanding.
Thoughts?
Cheers,
:Larry
When attempting to install I'm getting a peer-requirements error since its looking for React 0.13
Is it possible to get a callback when the animation has completed?
By the way I love this library! Already this has saved me hours.
Setting display: none
here:
https://github.com/twitter-fabric/velocity-react/blob/master/velocity-transition-group.js#L153
has the potential to cause issues with any components that happen to be under a VelocityTransitionGroup
that run style based code as part of ComponentDidMount
. For example we have list items that check their width and size the text inside accordingly. If these list items are a child of a parent that uses VelocityTransitionGroup
to animate in they will come in at their minimum size as they are getting a width of 0
. Then the next time they render they will size themselves correctly.
Example:
<VelocityTransitionGroup
enter={{animation: "slideDown", duration: 250}}
leave={{
animation: "slideUp",
begin: (element) => {
console.log(element);
},
duration: 250
}}
>
The begin
callback on the leave animation will fire when the enter animation triggers as well, not just when the leave animation is triggered.
hi, i'm new to npm and node, seemed to need web pack server, so i installed
seems to build everything and then stops at without anything showing up in browser
bundle is now VALID. thanks. I should mention that this is on cloud9 ide, which is ubuntu 14.04
Is it just me? :)
Following your steps:
$ git clone https://github.com/twitter-fabric/velocity-react.git
$ cd velocity-react
$ npm install
$ npm run demo
Gives me the following errors:
ERROR in ./~/css-loader!./demo/css/flexbox.css
Module build failed: ReferenceError: Promise is not defined
at LazyResult.async (/Users/superman/velocity-react/node_modules/css-loader/node_modules/postcss/lib/lazy-result.js:152:31)
at LazyResult.then (/Users/superman/velocity-react/node_modules/css-loader/node_modules/postcss/lib/lazy-result.js:75:21)
at processCss (/Users/superman/velocity-react/node_modules/css-loader/lib/processCss.js:174:5)
at Object.module.exports (/Users/superman/velocity-react/node_modules/css-loader/lib/loader.js:22:2)
@ ./demo/css/flexbox.css 4:14-81 13:2-17:4 14:20-87
ERROR in ./~/css-loader!./demo/css/loading-placeholder.css
Module build failed: ReferenceError: Promise is not defined
at LazyResult.async (/Users/superman/velocity-react/node_modules/css-loader/node_modules/postcss/lib/lazy-result.js:152:31)
at LazyResult.then (/Users/superman/velocity-react/node_modules/css-loader/node_modules/postcss/lib/lazy-result.js:75:21)
at processCss (/Users/superman/velocity-react/node_modules/css-loader/lib/processCss.js:174:5)
at Object.module.exports (/Users/superman/velocity-react/node_modules/css-loader/lib/loader.js:22:2)
@ ./demo/css/loading-placeholder.css 4:14-93 13:2-17:4 14:20-99
ERROR in ./~/css-loader!./demo/css/polyfill.css
Module build failed: ReferenceError: Promise is not defined
at LazyResult.async (/Users/superman/velocity-react/node_modules/css-loader/node_modules/postcss/lib/lazy-result.js:152:31)
at LazyResult.then (/Users/superman/velocity-react/node_modules/css-loader/node_modules/postcss/lib/lazy-result.js:75:21)
at processCss (/Users/superman/velocity-react/node_modules/css-loader/lib/processCss.js:174:5)
at Object.module.exports (/Users/superman/velocity-react/node_modules/css-loader/lib/loader.js:22:2)
@ ./demo/css/polyfill.css 4:14-82 13:2-17:4 14:20-88
Hi, I am getting this error using velocity 1.2.3,
Uncaught (in promise) Error: Velocity: First argument (finishAll) was not a property map, a known action, or a registered redirect. Aborting.(โฆ).
Any ideas?
Thanks Chris
I have a list component that shows 3 records to start, and when a user presses the Show More button the list is re-rendered with 6 records. I'm trying to animate between those two states, I thought I would be able to do something like this:
render() {
console.log("OrdersListWrapper.render() ")
let recordsToShow = 3;
if (this.state.expanded) {
recordsToShow = 6;
}
// Get tasks from this.data.tasks
return (
<div>
<VelocityTransitionGroup component="div"
enter={{animation: 'slideIn', duration: this.state.duration, style: {height: ''}}}
leave={{animation: 'slideOut', duration: this.state.duration}}
>
<div><OrdersList recordsToShow={recordsToShow}/></div>
</VelocityTransitionGroup>
{this.renderDeviceToggle()}
</div>
);
}
But the animation does not work, it just jumps from showing 3 to 6 rows with no animation. I don't understand why that's the case?
I can get it to work if I do the following:
return (
<div>
<VelocityTransitionGroup component="div"
enter={{animation: 'slideIn', duration: this.state.duration, style: {height: ''}}}
leave={{animation: 'slideOut', duration: this.state.duration}}
>
{this.state.expanded ? undefined : <div><OrdersList recordsToShow={recordsToShow}/></div> }
{this.state.expanded ? <div><OrdersList recordsToShow={recordsToShow}/></div> : undefined }
</VelocityTransitionGroup>
{this.renderDeviceToggle()}
</div>
);
But the problem with that is that I am now rendering the OrdersList component twice, and that means it is hitting the database twice which I'd like to avoid.
Can anyone help me understand what I need to do?
In velocity-transition-group.js, on lines 201 and 293, there are calls to window.requestAnimationFrame. This function is not available in Internet Explorer 9. The underlying Velocity library works on IE 9, and it looks like they solved this problem using the following shim:
/* rAF shim. Gist: https://gist.github.com/julianshapiro/9497513 */
var rAFShim = (function() {
var timeLast = 0;
return window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(callback) {
var timeCurrent = (new Date()).getTime(),
timeDelta;
/* Dynamically set delay on a per-tick basis to match 60fps. */
/* Technique by Erik Moller. MIT license: https://gist.github.com/paulirish/1579671 */
timeDelta = Math.max(0, 16 - (timeCurrent - timeLast));
timeLast = timeCurrent + timeDelta;
return setTimeout(function() { callback(timeCurrent + timeDelta); }, timeDelta);
};
})();
Would it make sense to incorporate the same technique in velocity-react? Sadly, for our current project we still need to support IE 9 (for the time being).
I am getting
Uncaught Velocity.RegisterEffect not found.
You need to require('velocity-animate/velocity.ui') at a top level for UI Pack.
However I do require Velocity UI in my top level component.
import 'babel-core/polyfill';
import 'velocity-animate';
import 'velocity-animate/velocity.ui';
import ReactDOM from 'react-dom';
Velocity is on the window, but Velocity.RegisterEffect is not.
Hi,
I have an use case here where we use a VelocityTransitionGroup
to animate rows entering and leaving a table. And that works great.
However we are trying to turn off the animation when filtering is applied to the table.
Is there any way we can control if animation enter/leave is happening or not ?
Thanks,
It would be nice to be able to declaratively say what should happen as opposed to setting a style, and then wrapping the component around it, and then having velocity compute from there.
What I'm thinking is something along the lines of TweenMax's fromTo
method:
TweenMax.fromTo({ top: 100, opacity: 0}, {
top: 0,
opacity: 1
})
This method immediately sets the properties on a component before it is animated, and then animates from there. Right now I don't see a way to achieve this, unless this requires TransitionGroup (which seems a bit much for a fire and forget sort of thing).
please delete it. wrong repo. sorry about that
Since version 4.x methods have moved up one level.
I'm getting a Cannot find module "lodash/lang/isEqual"
.
In lodash 4.x this method is at "lodash/isEqual".
Below is a simple render function to illustrate the point:
render () {
const transition = {
enter: {
animation: {
opacity: 1,
},
duration: 400,
begin() {
console.log('[Enter] begin');
},
},
leave: {
animation: {
opacity: 0,
},
duration: 400,
begin() {
console.log('[Leave] begin');
},
}
};
return (
<VelocityTransitionGroup {...transition}>
{'Children Here'}
<VelocityTransitionGroup />
);
}
I noticed that when the children are added, the console prints:
[Leave] begin
[Enter] begin
I think this is a bug. Or is there a reason for this behavior?
Thanks!!
On npm, version 1.1.1 has a peer dependency of of react 0.14.2 but master is still on 0.14.0. Looks like the peer deps were changed and published to npm but not here?
A simple example for swapping content with animations would be helpful for me. The example for VelocityComponent works for toggle fading a single component in and out:
<VelocityComponent animation={{ opacity: this.state.showSubComponent ? 1 : 0 }} duration={500}>
<MySubComponent/>
</VelocityComponent>
But I'm not sure how to proceed if I want to swap one component for another with a fadeout/fadein?
I've got this setup:
<VelocityTransitionGroup
enter={{
animation: {
translateX: 0
},
style: {
transform: 'translateX(-' + this.props.width + 'px)'
}
}}
leave={{
animation: {
translateX: this.props.width + 'px'
},
style: {
transform: 'translateX(0)'
}
}}
runOnMount>
{this.props.visible ? (
<Wrapper>
<img src={this.props.src} />
{ this.props.children }
</Wrapper>
) : undefined }
</VelocityTransitionGroup>
Imagine multiple of those components next to each other. On enter, the Wrapper
should slide in from the left, and the leaving Wrapper
should slide out to the right.
The leave animation is working fine, but the style
of the enter
animation isn't applied before the animation starts, so it slides in from the right. Anybody know how to fix this?
I'm using a VelocityTransitionGroup
for a Loading
element that shows a spinner while it has no children and then fades the spinner out and fades the children in when they exist. The issue I'm running into is if I try and get the offsetWidth of a ref within the new children on componentDidMount I end up getting a value of 0. If I remove VelocityTransitionGroup
I get the correct width value on this element.
Here is my Loading component for reference. the console log statement in componentDidUpdate
returns a correct width pre and post loading without VelocityTransitionGroup
but returns an incorrect value after loading otherwise:
VelocityTransitionGroup:
on item leave, animation starts and item is moved to the bottom of the list.
It's not holding position in the middle of the list until animation is complete.
here is the example of correct custom made behaviour and animation http://codepen.io/makenosound/pen/rstvx
item is staying in the middle of the list till the end of the animation
Went to PR but I don't think I have branch push rights. The demos look amazing.
Hi
I'm using VelocityTransitionGroup with table
<table>
<thead>
<tr>
<th>something</th>
</tr>
</thead>
<VelocityTransitionGroup component='tbody' enter='slideDown' leave='slideUp'>
{history.map(this.renderRows}}
</VelocityTransitionGroup>
</table>
In developer tools I see td's have style="display: block;"
and my table looks wrong.
I've tried pass display='table-row'
to the component, but this doesn't help.
How can I fix this?
Hi,
I'm often looking to animate in a collapsed element, but first need to animate the parent height to uncollapse it first, then run the enter animation after a small delay... and the same in reverse to collapse the element again.
I've tried to nest VelocityTransitionGroups in an attempt to workaround the lack of support for RunSequence(), but seems that the child group does not animate at all. Could you provide an example of how to chain animations or achieve this [uncollapse-parent then delayed-enter-child, leave-child then delayed-collapse-parent] pattern?
The following only runs the parent animation
<VelocityTransitionGroup
component={MyComponent}
enter={{animation: "slideDown", duration: 700, easing: "spring"}}
leave={{animation: "slideUp", duration: 600, delay: 300, easing: "ease-in-out"}}
>
{ showMessage ? (
<VelocityTransitionGroup
component={MyComponent}
enter={{animation: "transition.bounceIn", duration: 2000}}
leave={{animation: "transition.flipXOut", duration: 600}}
>
{ showMessage ? (
<MyElem>{message}</MyElem>
) : undefined }
</VelocityTransitionGroup>
) : undefined }
</VelocityTransitionGroup>
Hi I'm using the UIPack stuff to sequence a couple calls
let translateAnimations = {
withSwipe: velocityHelpers.registerEffect({
defaultDuration: 750,
calls:
[
[{translateX: buttonPosition.left, translateY: buttonPosition.top}],
[{translateX: buttonPosition.left, translateY: '180px'}]
]
})
}
...
<VelocityComponent animation={translateAnimations.withSwipe} loop={true} delay={100}>
<button className="touch" onClick={this.playNext.bind(this)} />
</VelocityComponent>
Ideally I want button to move up and down the y-axis... It does reset and run again on component receiving props, but it doesn't appear to loop. Am I doing something wrong?
Hey, would you mind removing peerDependencies so we can choose the appropriate react version ourselves? Many libraries turned their backs to peerDependencies now.
The original velocity-animate
package expects to be client-side, so requiring
it, in order to enable the velocityHelpers, isn't possible when you are rendering on the server.
Hello,
Having great success with the library so far.
However I got a new requirement causing me some grief to achieve.
I have 2 pages:
I have 2 API endpoints:
This is how it works:
At the moment I achieve 1 to 4 but I am having problems with 5 (5 leaves the list page then come back, unmount/mount items). If I turn on animation (on mount) all items are animated as no item was (React) mounted yet. If animation is turned off nothing gets animated including the new item.
For animation I wrap the list of items inside a VelocityTransitionGroup
and each item has a key
attribute set to the item unique id. The unique id works well to filter out what gets animated but in the case of 5 it doesn't help.
I have hacks in mind but they are not elegant. What would be the best approach to meet requirements 1 to 5 ?
I am thinking replacing the transition group with a VelocityElement
per row/item for finer control but I am not sure how to achieve the enter
, leave
effect as provided by the transition group. Also feels like reinventing transition group in a way.
should the effect 'shrink' and 'expand' in the first demo correct?
Looks interesting -- would an online demo be possible? Would like to add to react.rocks, thanks
Guys, hello!
I am having some trouble, maybe because I don't get yet what Uncaught Error: Invariant Violation: addComponentAsRefTo(...)
is, but here's whats happening:
I added the following code to help me with my pages transition
The key is related to the current page, so when the page changes, it renders a component with another key, creating the transition.
When updated to React 0.14 that code gives me
So I think it is not related to the {[ child ]}
I created, right?
I also checked the <VelocityTransitionGroup />
but I cant find any refs being used.
Thanks!!
One of the key reasons to use React in a project is for the server-side rendering, however Velocity expects window
to be defined which it is not in a Node environment. There's a Velocity issue open concerning this but there has been no fix so far, and I don't think there ever will be. There are various suggested solutions but they're quite inelegant, and it would be nice if the library itself provided a fix of some sort.
I think velocity-react should have a shim that only loads Velocity when in a browser environment. I'm not sure how simple it would be, but pre-calculating the final transition states on the server would be a bonus. Failing that, could a VelocityComponent
(et al) set the transition state on initial render?
Existing way of passing arguments to velocity does not work if jQuery is also loaded. This is because of the way velocity assumes argument order, when jQuery exists (regardless of the load order of jQuery - before Velocity or after Velocity) --
/* Detect jQuery/Zepto elements being animated via the $.fn method. */
if (Type.isWrapped(this)) {
isUtility = false;
argumentIndex = 0;
elements = this;
elementsWrapped = this;
/* Otherwise, raw elements are being animated via the utility function. */
} else {
isUtility = true;
argumentIndex = 1;
elements = syntacticSugar ? (arguments[0].elements || arguments[0].e) : arguments[0];
}
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