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animate.js
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animate.js
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// @flow
import React from 'react';
import attributesGenerator from './utils/attributesGenerator';
import { AnimateContext } from './animateGroup';
import msToSec from './utils/msToSec';
export type Style = { [string]: string | number };
export type AnimationType = {
play: boolean,
startStyle?: Style,
endStyle: Style,
onCompleteStyle?: Style,
overlaySeconds?: number,
durationSeconds?: number,
reverseDelaySeconds?: number,
reverseDurationSeconds?: number,
delaySeconds?: number,
children?: React.Component<*>,
forwardedRef?: any,
};
export type AnimationStateType = { [string | number]: AnimationType };
export type Props = {
easeType?: string,
tag?: string,
onComplete?: () => mixed,
className?: string,
render?: Object => any,
sequenceId?: string,
sequenceIndex?: number,
register?: any => void,
animationStates?: AnimationStateType,
} & AnimationType;
export type State = {
willComplete: boolean,
play: boolean,
};
export class AnimateChild extends React.PureComponent<Props, State> {
static displayName = 'Animate';
static defaultProps = {
durationSeconds: 0.3,
delaySeconds: 0,
easeType: 'linear',
sequenceId: undefined,
sequenceIndex: undefined,
animationStates: undefined,
};
isMountWithPlay: boolean = false;
constructor(props: Props) {
super(props);
const { play, register } = props;
register && register(this.props);
if (play) {
this.isMountWithPlay = true;
this.initialPlayTimer = setTimeout(() => {
this.isMountWithPlay = false;
this.forceUpdate();
}, msToSec(props.delaySeconds));
}
}
state: State = {
willComplete: false,
play: false,
};
static getDerivedStateFromProps(nextProps: Props, prevState: State) {
const { animationStates, play, sequenceId, sequenceIndex, onCompleteStyle, register } = nextProps;
const id = sequenceId || sequenceIndex;
let currentPlay = play;
register && register(nextProps);
if (id !== undefined && animationStates && animationStates[id]) {
const state = animationStates[id];
currentPlay = state.play;
}
return {
...(onCompleteStyle && prevState.willComplete
? { willComplete: !(play && !prevState.play && prevState.willComplete) }
: null),
...(currentPlay !== prevState.play ? { play: currentPlay } : null),
};
}
componentDidUpdate() {
const {
delaySeconds,
play,
onCompleteStyle,
durationSeconds,
onComplete,
animationStates,
sequenceId,
sequenceIndex,
} = this.props;
const id = sequenceId || sequenceIndex;
if (
(onComplete || onCompleteStyle) &&
!this.state.willComplete &&
(play ||
(id &&
animationStates &&
Object.keys(animationStates).length &&
animationStates[id] &&
animationStates[id].play))
) {
clearTimeout(this.completeTimeout);
this.completeTimeout = setTimeout(() => {
this.setState({
willComplete: true,
});
onComplete && onComplete();
}, msToSec(parseFloat(delaySeconds) + parseFloat(durationSeconds)));
}
}
componentWillUnmount() {
clearTimeout(this.completeTimeout);
clearTimeout(this.unMountTimeout);
clearTimeout(this.initialPlayTimer);
}
completeTimeout: TimeoutID;
unMountTimeout: TimeoutID;
initialPlayTimer: TimeoutID;
render() {
const { tag = 'div', children, render } = this.props;
const props = attributesGenerator(this.props, this.state.willComplete, this.isMountWithPlay);
return render ? render(props) : React.createElement(tag, props, children);
}
}
// $FlowIgnoreLine: flow complain about React.forwardRef disable for now
export default React.forwardRef((props: Props, ref) => (
<AnimateContext.Consumer>
{({ animationStates = {}, register = undefined }) => (
<AnimateChild {...{ ...props, animationStates, register }} forwardedRef={ref} />
)}
</AnimateContext.Consumer>
));