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/*
* SonarQube
* Copyright (C) 2009-2023 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import { keyframes } from '@emotion/react';
import styled from '@emotion/styled';
import classNames from 'classnames';
import * as React from 'react';
import { useIntl } from 'react-intl';
import tw from 'twin.macro';
import { themeColor } from '../helpers/theme';
interface Props {
ariaLabel?: string;
className?: string;
customSpinner?: JSX.Element;
loading?: boolean;
placeholder?: boolean;
}
export function Spinner(props: React.PropsWithChildren<Props>) {
const intl = useIntl();
const {
customSpinner,
className,
children,
placeholder,
ariaLabel = intl.formatMessage({ id: 'loading' }),
loading = true,
} = props;
if (customSpinner) {
return <>{loading ? customSpinner : children}</>;
}
return (
<>
<div className="sw-relative">
<div className={classNames('sw-overflow-hidden', { 'sw-sr-only': !loading })}>
<StyledSpinner aria-live="polite" className={className} role="status">
{loading && <span className="sw-sr-only">{ariaLabel}</span>}
</StyledSpinner>
</div>
</div>
{!loading && (children ?? (placeholder && <Placeholder className={className} />) ?? null)}
</>
);
}
const spinAnimation = keyframes`
from {
transform: rotate(0deg);
}
to {
transform: rotate(-360deg);
}
`;
export const StyledSpinner = styled.div`
border: 2px solid transparent;
background:
linear-gradient(0deg, ${themeColor('primary')} 50%, transparent 50% 100%) border-box,
linear-gradient(90deg, ${themeColor('primary')} 25%, transparent 75% 100%) border-box;
mask:
linear-gradient(#fff 0 0) padding-box,
linear-gradient(#fff 0 0);
-webkit-mask-composite: xor;
mask-composite: exclude;
animation: ${spinAnimation} 1s infinite linear;
${tw`sw-h-4 sw-w-4`};
${tw`sw-inline-block`};
${tw`sw-box-border`};
${tw`sw-rounded-pill`}
`;
const Placeholder = styled.div`
position: relative;
visibility: hidden;
${tw`sw-inline-flex sw-items-center sw-justify-center`};
${tw`sw-h-4 sw-w-4`};
`;
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