import React , { forwardRef , ReactElement , ReactNode , Ref } from 'react' ; import PropTypes from 'prop-types' ; import { css , cx } from '@leafygreen-ui/emotion' ; import { getRootStyle , getChildStyle , getChevronStyle , Size , layout , colors , counterAttr , counterChevronAttr , } from './styles' ; interface StateForStyles { size ? : Size ; } interface CounterProps { /**
     * Content that will appear inside of the Counter component.
     */ children ? : ReactNode ; /**
     * Classname applied to Counter content container.
     **/ className ? : string ; /**
     * Alter the rendered size of the component. Inherited from the parent Pipeline component.
     */ size : Size ; } const getBaseStyle = ( { size = Size . XSmall } ) : string => { const { chevron , fontSize , fontWeight , gutter , height , lineHeight } = layout [ size ] ; const { color , secondary } = colors ; const outerSize = height / 2 ; const offset = outerSize + chevron . size * 2 ; return cx ( getRootStyle ( { size } ) , getChildStyle ( { size } ) , css `
      background-color: ${ secondary . backgroundColor };
      color: ${ color };
      padding: ${ gutter . vertical }px ${ gutter . horizontal }px;
      margin-right: ${ offset }px;
      font-size: ${ fontSize }px;
      font-weight: ${ fontWeight };
      line-height: ${ lineHeight };
      flex: 1 1 auto;
      white-space: nowrap;
      z-index: 2;

      &::before {
        white-space: nowrap;
        content: '+' counter(hiddenCount);
      }
    ` ) ; } ; const getCounterChevronStyle = ( { size = Size . XSmall , } ) : string => { const { chevron , height } = layout [ size ] ; const { secondary } = colors ; const outerSize = height / 2 ; return cx ( getChevronStyle ( { size } ) , css `
      &::before {
        background-color: ${ secondary . backgroundColor };
        box-shadow: 0 0 0 ${ chevron . size }px transparent,
          0 0 0 ${ outerSize }px transparent;
      }
    ` ) ; } ; const getStatefulStyles = ( state ) => ( { base : getBaseStyle ( state ) , chevron : getCounterChevronStyle ( state ) , } ) ; param props . className const Counter = forwardRef ( ( { className = '' , children , size , ... rest } , ref ) : ReactElement => { const { base : baseStyle , chevron : chevronStyle } = getStatefulStyles ( { size , } ) ; return ( < div { ... rest } { ... counterAttr . prop } data - testid = "pipeline-counter" className = { cx ( baseStyle , className ) } ref = { ref } > { } { children } < div { ... counterChevronAttr . prop } data - testid = "pipeline-counter-chevron" className = { chevronStyle } / > < /div>); } ) ; Counter . displayName = 'Counter' ; Counter . propTypes = { children : PropTypes . node , className : PropTypes . string , size : PropTypes . oneOf ( Object . values ( Size ) ) . isRequired , } ; export default Counter ;