109 lines
2.7 KiB
TypeScript
109 lines
2.7 KiB
TypeScript
import { animated, config, useTransition } from '@react-spring/web';
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import React, { useEffect, useState } from 'react';
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import { useIntl, type IntlShape } from 'react-intl';
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import { useSettings } from '@/stores/settings';
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import { isNumber, roundDown } from '@/utils/numbers';
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const obfuscatedCount = (count: number): string => {
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if (count < 0) {
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return '0';
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} else if (count <= 1) {
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return count.toString();
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} else {
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return '1+';
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}
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};
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const shortNumberFormat = (number: any, intl: IntlShape, max?: number) => {
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if (!isNumber(number)) return '•';
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let value = number;
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let factor: string = '';
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if (number >= 1000 && number < 1000000) {
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factor = 'k';
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value = roundDown(value / 1000);
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} else if (number >= 1000000) {
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factor = 'M';
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value = roundDown(value / 1000000);
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}
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if (max && value > max) {
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return `${max}+`;
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}
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return (
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intl.formatNumber(value, {
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maximumFractionDigits: 0,
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minimumFractionDigits: 0,
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maximumSignificantDigits: 3,
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numberingSystem: 'latn',
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style: 'decimal',
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}) + factor
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);
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};
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interface IAnimatedNumber {
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value: number;
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obfuscate?: boolean;
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short?: boolean;
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max?: number;
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}
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const AnimatedNumber: React.FC<IAnimatedNumber> = ({ value, obfuscate, short, max }) => {
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const intl = useIntl();
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const { reduceMotion } = useSettings();
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const [direction, setDirection] = useState(0);
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const [displayedValue, setDisplayedValue] = useState<number>(value);
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const [formattedValue, setFormattedValue] = useState<string>(
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intl.formatNumber(value, { numberingSystem: 'latn' }),
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);
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useEffect(() => {
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if (displayedValue !== undefined) {
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if (value > displayedValue) setDirection(1);
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else if (value < displayedValue) setDirection(-1);
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}
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setDisplayedValue(value);
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setFormattedValue(
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obfuscate
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? obfuscatedCount(value)
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: short
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? shortNumberFormat(value, intl, max)
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: intl.formatNumber(value, { numberingSystem: 'latn' }),
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);
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}, [value, intl, max, obfuscate, short]);
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const transitions = useTransition(formattedValue, {
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from: { y: -1 * direction },
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enter: { y: 0 },
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leave: { y: 1 * direction },
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config: config.slow,
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immediate: reduceMotion || direction === 0,
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});
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if (reduceMotion) {
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return <>{formattedValue}</>;
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}
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return (
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<span className='⁂-animated-number'>
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{transitions((style, item) => (
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<animated.span
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key={item}
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style={{
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position: item === formattedValue ? 'static' : 'absolute',
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transform: style.y.to((y) => `translateY(${y * 100}%)`),
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}}
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>
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{item}
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</animated.span>
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))}
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</span>
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);
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};
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export { AnimatedNumber as default };
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