100 lines
No EOL
2.7 KiB
TypeScript
100 lines
No EOL
2.7 KiB
TypeScript
import React, { useEffect, useState } from 'react';
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import { useIntl, type IntlShape } from 'react-intl';
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import { TransitionMotion, spring } from 'react-motion';
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import { useSettings } from 'soapbox/hooks';
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import { isNumber, roundDown } from 'soapbox/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) => {
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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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return 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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interface IAnimatedNumber {
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value: number;
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obfuscate?: boolean;
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short?: boolean;
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}
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const AnimatedNumber: React.FC<IAnimatedNumber> = ({ value, obfuscate, short }) => {
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const intl = useIntl();
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const { reduceMotion } = useSettings();
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const [direction, setDirection] = useState(1);
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const [displayedValue, setDisplayedValue] = useState<number>(value);
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const [formattedValue, setFormattedValue] = useState<string>(intl.formatNumber(value, { numberingSystem: 'latn' }));
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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(obfuscate
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? obfuscatedCount(value)
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: short
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? shortNumberFormat(value, intl)
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: intl.formatNumber(value, { numberingSystem: 'latn' }));
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}, [value]);
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const willEnter = () => ({ y: -1 * direction });
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const willLeave = () => ({ y: spring(1 * direction, { damping: 35, stiffness: 400 }) });
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if (reduceMotion) {
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return <>{formattedValue}</>;
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}
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const styles = [{
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key: `${formattedValue}`,
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data: formattedValue,
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style: { y: spring(0, { damping: 35, stiffness: 400 }) },
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}];
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return (
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<TransitionMotion styles={styles} willEnter={willEnter} willLeave={willLeave}>
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{items => (
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<span className='relative inline-flex flex-col items-stretch overflow-hidden'>
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{items.map(({ key, data, style }) => (
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<span
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key={key}
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style={{ position: (direction * style.y) > 0 ? 'absolute' : 'static', transform: `translateY(${style.y * 100}%)` }}
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>
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{data}
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</span>
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))}
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</span>
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)}
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</TransitionMotion>
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);
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};
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export default AnimatedNumber; |