text: import { CLASS_NAMES } from '@/config'
  import { snakeToCamel } from '@/utils'
  
  // render factory of `del`,`em`,`strong`
  export default function delEmStrongFac (type, h, cursor, block, token, outerClass) {
    const className = this.getClassName(outerClass, block, token, cursor)
    const COMMON_MARKER = `span.${className}.${CLASS_NAMES.MU_REMOVE}`
    const { marker } = token
    const { start, end } = token.range
    const backlashStart = end - marker.length - token.backlash.length
    const content = [
      ...token.children.reduce((acc, to) => {
        const chunk = this[snakeToCamel(to.type)](h, cursor, block, to, className)
  
        return Array.isArray(chunk) ? [...acc, ...chunk] : [...acc, chunk]
      }, []),
      ...this.backlashInToken(h, token.backlash, className, backlashStart, token)
    ]
    const startMarker = this.highlight(h, block, start, start + marker.length, token)
    const endMarker = this.highlight(h, block, end - marker.length, end, token)
  
    return [
      h(COMMON_MARKER, startMarker),
      h(`${type}.${CLASS_NAMES.MU_INLINE_RULE}`, content),
      h(COMMON_MARKER, endMarker)
    ]
  }
  