mastodon/app/javascript/flavours/glitch/components/short_number.tsx

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import { memo } from 'react';
import { FormattedMessage, FormattedNumber } from 'react-intl';
import { toShortNumber, pluralReady, DECIMAL_UNITS } from '../utils/numbers';
type ShortNumberRenderer = (
displayNumber: JSX.Element,
pluralReady: number,
) => JSX.Element;
interface ShortNumberProps {
value: number;
renderer?: ShortNumberRenderer;
children?: ShortNumberRenderer;
}
export const ShortNumberRenderer: React.FC<ShortNumberProps> = ({
value,
renderer,
children,
}) => {
const shortNumber = toShortNumber(value);
const [, division] = shortNumber;
if (children && renderer) {
console.warn(
'Both renderer prop and renderer as a child provided. This is a mistake and you really should fix that. Only renderer passed as a child will be used.',
);
}
const customRenderer = children || renderer || null;
const displayNumber = <ShortNumberCounter value={shortNumber} />;
return (
customRenderer?.(displayNumber, pluralReady(value, division)) ||
displayNumber
);
};
export const ShortNumber = memo(ShortNumberRenderer);
interface ShortNumberCounterProps {
value: number[];
}
const ShortNumberCounter: React.FC<ShortNumberCounterProps> = ({ value }) => {
const [rawNumber, unit, maxFractionDigits = 0] = value;
const count = (
<FormattedNumber
value={rawNumber}
maximumFractionDigits={maxFractionDigits}
/>
);
const values = { count, rawNumber };
switch (unit) {
case DECIMAL_UNITS.THOUSAND: {
return (
<FormattedMessage
id='units.short.thousand'
defaultMessage='{count}K'
values={values}
/>
);
}
case DECIMAL_UNITS.MILLION: {
return (
<FormattedMessage
id='units.short.million'
defaultMessage='{count}M'
values={values}
/>
);
}
case DECIMAL_UNITS.BILLION: {
return (
<FormattedMessage
id='units.short.billion'
defaultMessage='{count}B'
values={values}
/>
);
}
// Not sure if we should go farther - @Sasha-Sorokin
default:
return count;
}
};