code: function validateComposeOption(composeTheme) {
    if ([ COMPOSE_DEEPLY, COMPOSE_SOFTLY, DONT_COMPOSE ].indexOf(composeTheme) === -1) {
      throw new Error(
        `Invalid composeTheme option for react-css-themr. Valid composition options\
   are ${COMPOSE_DEEPLY}, ${COMPOSE_SOFTLY} and ${DONT_COMPOSE}. The given\
   option was ${composeTheme}`
      )
    }
  }
docs: Validates compose option
  
  @param {String|Boolean} composeTheme - Compose them option
  @throws
  @returns {undefined}