docs: function buildPrefix(depth, bottom) {
    if (!shouldIndent) {
      return ''
    }
    let prefix = bottom ? BOX_BOTTOM_LEFT : BOX_INTERSECTION
    let spacing = []
    let spaceIndex = 0
    while(spaceIndex < depth) {
      spacing[spaceIndex] = depths[spaceIndex] && !printJSX ? BOX_VERTICAL : EMPTY
      spaceIndex++
    }
    return printJSX ? spacing.join('') : spacing.join('') + prefix
  }