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import * as React from 'react';
import Lottie from 'react-lottie';
import styled from 'styled-components';
import { media } from 'ts/variables';
interface AnimationProps {
animationData: object;
width: number;
height: number;
}
interface AnimationState {
width?: number | undefined;
height?: number | undefined;
}
class BaseAnimation extends React.PureComponent<AnimationProps, AnimationState> {
public state: AnimationState = {
height: undefined,
width: undefined,
};
private _timeout = null as any;
public componentDidMount(): void {
this._updateAnimationSize();
window.addEventListener('resize', this._handleResize);
}
public componentWillUnmount(): void {
window.removeEventListener('resize', this._handleResize);
}
public render(): React.ReactNode {
const { animationData } = this.props;
const height = this.state.height || this.props.height;
const width = this.state.width || this.props.width;
return (
<Container height={height}>
<InnerContainer>
<Lottie
width={width}
height={height}
options={{
loop: true,
autoplay: true,
animationData,
}}
/>
</InnerContainer>
</Container>
);
}
private readonly _handleResize = () => {
clearTimeout(this._timeout);
this._timeout = setTimeout(this._updateAnimationSize, 50);
};
private readonly _updateAnimationSize = () => {
const windowWidth = window.innerWidth;
let width;
let height;
if (windowWidth <= 1000) {
const maxWidth = windowWidth + 250;
const ratio = maxWidth / this.props.width;
height = Math.round(this.props.height * ratio);
width = Math.round(this.props.width * ratio);
}
this.setState({ width, height });
};
}
const Container = styled.div`
width: 100%;
height: ${(props: { height: number }) => props.height}px;
position: absolute;
top: 40%;
left: 0;
z-index: -1;
overflow: hidden;
${media.large`
top: 100%;
transform: translateY(-50%);
`};
`;
const InnerContainer = styled.div`
position: absolute;
top: 0;
left: 50%;
transform: translateX(-50%);
`;
export { BaseAnimation };
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