All files / src/mixins selection.js

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// @flow
 
/**
 * CSS to style the selection psuedo-element.
 *
 * @example
 * // Styles as object usage
 * const styles = {
 *   ...selection({
 *     'background': 'blue'
 *   }, 'section')
 * }
 *
 * // styled-components usage
 * const div = styled.div`
 *   ${selection({'background': 'blue'}, 'section')}
 * `
 *
 * // CSS as JS Output
 *
 * 'div': {
 *   'section::-moz-selection': {
 *     'background-color':'blue',
 *   },
 *   'section::selection': {
 *     'background-color': 'blue',
 *   }
 * }
 */
 
function selection(styles: Object, parent: string = '') {
  return {
    [`${parent}::-moz-selection`]: {
      ...styles,
    },
    [`${parent}::selection`]: {
      ...styles,
    },
  }
}
 
export default selection