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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | 1x 1x | import { keyframes } from '@emotion/react';
import { DROPDOWN_STATE_ENTERING, DROPDOWN_STATE_EXITING } from './constants';
import pipe from '../../util/pipe';
const popIn = keyframes`
from {
opacity: 0;
transform: translateY(48px);
}
to {
opacity: 1;
transform: translateY(0px);
}
`;
const popOut = keyframes`
to {
opacity: 0;
transform: translateY(48px);
}
`;
function getAnimationCss(state) {
if (state === DROPDOWN_STATE_ENTERING) {
return {
animation: `${popIn} 0.4s ease forwards`,
};
}
if (state === DROPDOWN_STATE_EXITING) {
return {
animation: `${popOut} 0.24s ease forwards`,
};
}
return {};
}
function getStaticCss(animationCss, relative) {
if (relative) return null;
return {
...animationCss,
overflow: 'hidden',
position: 'fixed',
willChange: 'opacity, transform',
zIndex: 10,
};
}
export default pipe(getAnimationCss, getStaticCss);
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