73 lines
1.7 KiB
TypeScript
73 lines
1.7 KiB
TypeScript
// Copyright 2022 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import React from 'react';
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import { animated, to as interpolate, useSprings } from '@react-spring/web';
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import { random } from 'lodash';
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import { Emojify } from './conversation/Emojify';
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export type PropsType = {
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emoji: string;
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onAnimationEnd: () => unknown;
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rotate?: number;
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scale?: number;
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x?: number;
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};
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const NUM_EMOJIS = 16;
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const MAX_HEIGHT = 1280;
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const to = (i: number, f: () => unknown) => ({
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delay: i * random(80, 120),
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rotate: random(-24, 24),
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scale: random(0.5, 1.0, true),
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y: -144,
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onRest: i === NUM_EMOJIS - 1 ? f : undefined,
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});
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const from = (_i: number) => ({
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rotate: 0,
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scale: 1,
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y: MAX_HEIGHT,
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});
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function transform(y: number, scale: number, rotate: number): string {
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return `translateY(${y}px) scale(${scale}) rotate(${rotate}deg)`;
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}
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export const AnimatedEmojiGalore = ({
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emoji,
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onAnimationEnd,
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}: PropsType): JSX.Element => {
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const [springs] = useSprings(NUM_EMOJIS, i => ({
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...to(i, onAnimationEnd),
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from: from(i),
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config: {
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mass: 20,
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tension: 120,
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friction: 80,
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clamp: true,
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},
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}));
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return (
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<>
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{springs.map((styles, index) => (
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<animated.div
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// eslint-disable-next-line react/no-array-index-key
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key={index}
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style={{
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left: `${random(0, 100)}%`,
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position: 'absolute',
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transform: interpolate(
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[styles.y, styles.scale, styles.rotate],
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transform
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),
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}}
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>
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<Emojify sizeClass="extra-large" text={emoji} />
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</animated.div>
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))}
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</>
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);
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};
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