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138 lines
3.6 KiB
TypeScript
138 lines
3.6 KiB
TypeScript
import * as React from 'react';
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import CSSMotion from 'rc-motion';
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import raf from 'rc-util/lib/raf';
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import { render, unmount } from 'rc-util/lib/React/render';
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import classNames from 'classnames';
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import { getTargetWaveColor } from './util';
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function validateNum(value: number) {
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return Number.isNaN(value) ? 0 : value;
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}
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export interface WaveEffectProps {
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className: string;
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target: HTMLElement;
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}
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const WaveEffect: React.FC<WaveEffectProps> = (props) => {
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const { className, target } = props;
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const divRef = React.useRef<HTMLDivElement>(null);
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const [color, setWaveColor] = React.useState<string | null>(null);
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const [borderRadius, setBorderRadius] = React.useState<number[]>([]);
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const [left, setLeft] = React.useState(0);
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const [top, setTop] = React.useState(0);
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const [width, setWidth] = React.useState(0);
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const [height, setHeight] = React.useState(0);
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const [enabled, setEnabled] = React.useState(false);
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const waveStyle = {
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left,
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top,
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width,
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height,
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borderRadius: borderRadius.map((radius) => `${radius}px`).join(' '),
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} as React.CSSProperties & {
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[name: string]: number | string;
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};
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if (color) {
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waveStyle['--wave-color'] = color;
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}
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function syncPos() {
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const nodeStyle = getComputedStyle(target);
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// Get wave color from target
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setWaveColor(getTargetWaveColor(target));
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const isStatic = nodeStyle.position === 'static';
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// Rect
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const { borderLeftWidth, borderTopWidth } = nodeStyle;
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setLeft(isStatic ? target.offsetLeft : validateNum(-parseFloat(borderLeftWidth)));
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setTop(isStatic ? target.offsetTop : validateNum(-parseFloat(borderTopWidth)));
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setWidth(target.offsetWidth);
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setHeight(target.offsetHeight);
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// Get border radius
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const {
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borderTopLeftRadius,
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borderTopRightRadius,
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borderBottomLeftRadius,
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borderBottomRightRadius,
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} = nodeStyle;
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setBorderRadius(
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[
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borderTopLeftRadius,
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borderTopRightRadius,
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borderBottomRightRadius,
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borderBottomLeftRadius,
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].map((radius) => validateNum(parseFloat(radius))),
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);
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}
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React.useEffect(() => {
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if (target) {
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// We need delay to check position here
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// since UI may change after click
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const id = raf(() => {
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syncPos();
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setEnabled(true);
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});
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// Add resize observer to follow size
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let resizeObserver: ResizeObserver;
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if (typeof ResizeObserver !== 'undefined') {
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resizeObserver = new ResizeObserver(syncPos);
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resizeObserver.observe(target);
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}
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return () => {
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raf.cancel(id);
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resizeObserver?.disconnect();
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};
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}
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}, []);
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if (!enabled) {
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return null;
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}
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return (
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<CSSMotion
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visible
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motionAppear
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motionName="wave-motion"
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motionDeadline={5000}
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onAppearEnd={(_, event) => {
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if (event.deadline || (event as TransitionEvent).propertyName === 'opacity') {
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const holder = divRef.current?.parentElement!;
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unmount(holder).then(() => {
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holder.parentElement?.removeChild(holder);
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});
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}
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return false;
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}}
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>
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{({ className: motionClassName }) => (
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<div ref={divRef} className={classNames(className, motionClassName)} style={waveStyle} />
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)}
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</CSSMotion>
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);
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};
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export default function showWaveEffect(node: HTMLElement, className: string) {
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// Create holder
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const holder = document.createElement('div');
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holder.style.position = 'absolute';
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holder.style.left = `0px`;
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holder.style.top = `0px`;
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node?.insertBefore(holder, node?.firstChild);
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render(<WaveEffect target={node} className={className} />, holder);
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}
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