jnpf-web-vue3/node_modules/ant-design-vue/es/style/roundedArrow.js

export const roundedArrow = (width, innerRadius, outerRadius, bgColor, boxShadow) => {
  const unitWidth = width / 2;
  const ax = 0;
  const ay = unitWidth;
  const bx = outerRadius * 1 / Math.sqrt(2);
  const by = unitWidth - outerRadius * (1 - 1 / Math.sqrt(2));
  const cx = unitWidth - innerRadius * (1 / Math.sqrt(2));
  const cy = outerRadius * (Math.sqrt(2) - 1) + innerRadius * (1 / Math.sqrt(2));
  const dx = 2 * unitWidth - cx;
  const dy = cy;
  const ex = 2 * unitWidth - bx;
  const ey = by;
  const fx = 2 * unitWidth - ax;
  const fy = ay;
  const shadowWidth = unitWidth * Math.sqrt(2) + outerRadius * (Math.sqrt(2) - 2);
  const polygonOffset = outerRadius * (Math.sqrt(2) - 1);
  return {
    pointerEvents: 'none',
    width,
    height: width,
    overflow: 'hidden',
    '&::after': {
      content: '""',
      position: 'absolute',
      width: shadowWidth,
      height: shadowWidth,
      bottom: 0,
      insetInline: 0,
      margin: 'auto',
      borderRadius: {
        _skip_check_: true,
        value: `0 0 ${innerRadius}px 0`
      },
      transform: 'translateY(50%) rotate(-135deg)',
      boxShadow,
      zIndex: 0,
      background: 'transparent'
    },
    '&::before': {
      position: 'absolute',
      bottom: 0,
      insetInlineStart: 0,
      width,
      height: width / 2,
      background: bgColor,
      clipPath: {
        _multi_value_: true,
        value: [`polygon(${polygonOffset}px 100%, 50% ${polygonOffset}px, ${2 * unitWidth - polygonOffset}px 100%, ${polygonOffset}px 100%)`, `path('M ${ax} ${ay} A ${outerRadius} ${outerRadius} 0 0 0 ${bx} ${by} L ${cx} ${cy} A ${innerRadius} ${innerRadius} 0 0 1 ${dx} ${dy} L ${ex} ${ey} A ${outerRadius} ${outerRadius} 0 0 0 ${fx} ${fy} Z')`]
      },
      content: '""'
    }
  };
};