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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 | 1x 1x 1x | import React from 'react'; import PropTypes from 'prop-types'; import get from 'lodash/get'; import Paper from '../../atoms/Paper'; const TabsIndicator = ({ activeTab, color, height, domNode }) => { const tabNode = get(domNode, ['childNodes', activeTab]); if (!tabNode) return null; const { offsetLeft, offsetWidth } = tabNode; const css = { backgroundColor: color, bottom: 0, height: `${height}px`, left: 0, position: 'absolute', transform: `translateX(${offsetLeft}px)`, transition: 'transform 0.24s ease, width 0.24s ease', width: `${offsetWidth}px`, willChange: 'transform, width', }; return <Paper css={css} />; }; TabsIndicator.propTypes = { activeTab: PropTypes.number.isRequired, color: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), height: PropTypes.number.isRequired, domNode: PropTypes.object, // eslint-disable-line react/forbid-prop-types }; TabsIndicator.defaultProps = { color: undefined, domNode: null, }; export default TabsIndicator; |