Minted: alternate (zebra) background color lines

Question

despite my precarious knowledge of the environment, I have been able to style listings to my taste (which is nothing fancy) for modern JavaScript.

The show-stopper is that I need to syntax-highlight React.js, which isn't properly rendered via listing. I like very much how I've been able to zebra/alternate the lines' background color, line numbers, fonts, etc. but the jsx language isn't recognized. I've searched extensively for ways to make it work, and apparently the recommendation is to switch to the Minted package altogether, and install a separate third-party jsx lexer.

It works, but I haven't found a way to alternate the background color of each line in the zebra fashion.

Any suggestion on how to turn the Minted output to something closer to the listing example (both in terms of line highlighting and, if possible, to line numbers, etc) would be greatly appreciated.

MWE (requires --shell-escape and jsx-lexer):

\documentclass[]{scrbook}
\usepackage{xcolor}
\usepackage[]{cleveref}
\usepackage{listings}
\definecolor{listing-background}{HTML}{FFFFFF}
\definecolor{listing-background-alternate}{HTML}{F8F8F8}
\definecolor{listing-rule}{HTML}{B3B2B3}
\definecolor{listing-numbers}{HTML}{B3B2B3}
\definecolor{listing-text-color}{HTML}{000000}
\definecolor{listing-keyword}{HTML}{007F00}
\definecolor{listing-keyword-2}{HTML}{1284CA} 
\definecolor{listing-keyword-3}{HTML}{9137CB} 
\definecolor{listing-keyword-4}{HTML}{407F7F} 
\definecolor{listing-identifier}{HTML}{000000}
\definecolor{listing-identifier}{HTML}{435489}
\definecolor{listing-string}{HTML}{BA2121}
\definecolor{listing-comment}{HTML}{8E8E8E}
\lstdefinelanguage{es6}{
  morekeywords=[1]{break, continue, delete, else, for, function, if, in,
    new, return, this, typeof, var, void, while, with, await, async, case, catch, class, const, default, do, enum, export, extends, finally, from, implements, import, instanceof, let, static, super, switch, throw, try },
  morekeywords=[2]{false, null, true, boolean, number, undefined,
    Array, Boolean, Date, Math, Number, String, Object },
  morekeywords=[3]{eval, parseInt, parseFloat, escape, unescape },
  otherkeywords = {+,-},
  sensitive,
  morecomment=[s]{/}{/},
  morecomment=[l]//,
  morecomment=[s]{/*}{/},
  morestring=[b]',
  morestring=[b]"
}[keywords, comments, strings]
\makeatletter
\let\old@lstKV@SwitchCases\lstKV@SwitchCases
\def\lstKV@SwitchCases#1#2#3{}
\makeatother
\usepackage{lstlinebgrd}
\makeatletter
\let\lstKV@SwitchCases\old@lstKV@SwitchCases
\lst@Key{numbers}{none}{%
    \def\lst@PlaceNumber{\lst@linebgrd}%
    \lstKV@SwitchCases{#1}%
    {none:\%
     left:\def\lst@PlaceNumber{\llap{\normalfont
                \lst@numberstyle{\thelstnumber}\kern\lst@numbersep}\lst@linebgrd}\%
     right:\def\lst@PlaceNumber{\rlap{\normalfont
                \kern\linewidth \kern\lst@numbersep
                \lst@numberstyle{\thelstnumber}}\lst@linebgrd}%
    }{\PackageError{Listings}{Numbers #1 unknown}@ehc}}
\makeatother
\lstdefinestyle{fancylisting}{
  basicstyle=\ttfamily\linespread{1.0}\color{listing-text-color}\small,
  numbers          = left,
  xleftmargin      = 2.7em,
  framexleftmargin = 2.5em,
  backgroundcolor  = \color{listing-background},
  breaklines       = true,
  frame            = single,
  framesep         = 0.19em,
  rulecolor        = \color{listing-rule},
  frameround       = ffff, 
  tabsize          = 4,
  numberstyle      = \color{listing-numbers}\footnotesize\ttfamily{},
  linebackgroundcolor={\ifodd\value{lstnumber}\color{listing-background-alternate}\fi},
  aboveskip        = 1.2em,
  belowskip        = 1em,
  abovecaptionskip = 0em,
  belowcaptionskip = 1.0em,
  keywordstyle     = {\color{listing-keyword}\bfseries},
  keywordstyle     = {[2]\color{listing-keyword-2}},
  keywordstyle     = {[3]\color{listing-keyword-3}\bfseries\itshape},
  keywordstyle     = {[4]\color{listing-keyword-4}},
  sensitive        = true,
  identifierstyle  = \color{listing-identifier},
  commentstyle     = \color{listing-comment},
  stringstyle      = \color{listing-string},
  showstringspaces = false,
  escapeinside     = {/@}{@/}  }
\lstset{style=fancylisting}
\lstnewenvironment{es6}[1][]
    {\lstset{
      language=es6,
      morekeywords=[4]{+,<,>,-,=},
      #1
    }}
    {}
\lstnewenvironment{bash}[1][]
    {\lstset{
      language=bash,
      linebackgroundcolor=\color{white},
      backgroundcolor=\color{white},
      numbers=none,
      frame=l,
      framerule=0.5pt,
      rulecolor = \color{listing-rule},
      #1
      }}
    {}
\crefname{lstlisting}{listing}{listings}
\Crefname{lstlisting}{Listing}{Listings}
\crefname{lstinputlisting}{listing}{listings}
\Crefname{lstinputlisting}{Listing}{Listings}
\usepackage{fancyvrb}
\usepackage[cache=false,outputdir=.texpadtmp]{minted}
\begin{document}
Minted (syntax recognized, ugly formatting)
\begin{minted}{jsx}
  const BlogTitle = ({ children }) => (
    <h3>{children}</h3>
  );
  // class component
  class BlogPost extends React.Component {
    renderTitle(title) {
      return <BlogTitle>{title}</BlogTitle>
    };
    render() {
      return (
      <div className="blog-body">
        {this.renderTitle(this.props.title)}
        <p>{this.props.body}</p>
      </div>
      );
    }
  }
\end{minted}
Listing (syntax not recognized, desired formatting):
\begin{es6}
  const BlogTitle = ({ children }) => (
    <h3>{children}</h3>
  );
  // class component
  class BlogPost extends React.Component {
    renderTitle(title) {
      return <BlogTitle>{title}</BlogTitle>
    };
    render() {
      return (
      <div className="blog-body">
        {this.renderTitle(this.props.title)}
        <p>{this.props.body}</p>
      </div>
      );
    }
  }
\end{es6}
\end{document}

Thank you!

Answer 1

This is an experimental solution with a lot of tweaking! For it to work properly, you need to manually specify the line height and guarantee that all lines have equal line height. Another problem is that my pygments does not have jsx lexer. Therefore, you may want to change the code to minted language=jsx on your end.

The code

• It is important to change the value of \g_lst_line_height_dim based on your document setup. Otherwise, the background and foreground may not be aligned. If you are changing the margins of the tcolorbox, then all other four margin variables needs to be changed.
• It is possible to use more than two colors in the cycle.
• If you uncomment \bool_gset_true:N \g_lst_debug_bool, then the code listing will be rendered in debug mode. In debug mode, it is easier to determine the parameters for the listing box. Here is an example output of debug mode:

\documentclass{scrbook}
\usepackage{tcolorbox}
\usepackage{fancyvrb}
\usepackage{expl3}
\usepackage{tikz}
\usepackage{xcolor}
\usetikzlibrary{math, calc}
\tcbuselibrary{listings, minted, hooks, skins}
% change line number style
\renewcommand{\theFancyVerbLine}{%
    \ttfamily\textcolor[rgb]{0.3,0.3,0.3}{\tiny{\arabic{FancyVerbLine}}}%
}
\definecolor{listing-background}{HTML}{FFFFFF}
\definecolor{listing-background-alternate}{HTML}{F8F8F8}
\makeatletter
\tcbset{
    lststyle/.style={
        enhanced,
        left=8mm,
        top=0mm,
        bottom=0mm,
        boxsep=0.5mm,
        listing only,
        listing engine=minted,
        minted language=html, % I don't have jsx lexer on my computer
        arc=0mm,
        colframe=black!5,
        colback=white,
        minted options={
            obeytabs,
            breaklines,
            linenos,
            autogobble,
            fontsize=\scriptsize,
            numbersep=2.5mm,
        },
        underlay=\my@lst@underlay
    }
}
\ExplSyntaxOn
% several variables that need tuning when the configuration changes
% first of all, define the margins of the box
\dim_new:N \g_lst_left_dim
\dim_new:N \g_lst_right_dim
\dim_new:N \g_lst_top_dim
\dim_new:N \g_lst_bottom_dim
\dim_gset:Nn \g_lst_left_dim {7.5mm}
\dim_gset:Nn \g_lst_right_dim {0.5mm}
\dim_gset:Nn \g_lst_top_dim {0.5mm}
\dim_gset:Nn \g_lst_bottom_dim {0.5mm}
% next step, define the line height
\dim_new:N \g_lst_line_height_dim
\dim_gset:Nn \g_lst_line_height_dim {9.38pt}
% this is a switch to turn on debug mode for determining the parameters above
\bool_new:N \g_lst_debug_bool
\bool_gset_false:N \g_lst_debug_bool
%\bool_gset_true:N \g_lst_debug_bool % turn on debug mode
% a list of colors to be used
\clist_new:N \g_lst_colors_clist
\clist_set:Nn \g_lst_colors_clist {listing-background, listing-background-alternate}
\int_new:N \l_lst_tmpa_int
\tl_new:N \l_lst_tmpa_tl
\tl_new:N \l_lst_tmpb_tl
\tl_new:N \l_lst_tmpc_tl
\dim_new:N \l_lst_tmpa_dim
\fp_new:N \l_lst_tmpa_fp
\fp_new:N \l_lst_tmpb_fp
\fp_new:N \l_lst_tmpc_fp
\cs_set:Npn __lst_anchor_dist:nnnnN #1#2#3#4#5 {
    \pgfpointdiff{\pgfpointanchor{#1}{#2}}%
                 {\pgfpointanchor{#3}{#4}}%
    \edef#5{\fp_eval:n {sqrt(\pgf@x\pgf@x + \pgf@y\pgf@y)}}
}
% setup the drawing function
\cs_set:Npn \my@lst@underlay {
    \int_set:Nn \l_lst_tmpa_int {0}
% compute height of tcolorbox
% warning: does not work if the box is breakable!
\__lst_anchor_dist:nnnnN {interior}{north~west}{interior}{south~west}\l_lst_tmpa_tl;

% compute line width of tcolorbox
\__lst_anchor_dist:nnnnN {interior}{north~west}{interior}{north~east}\l_lst_tmpb_tl;

\fp_set:Nn \l_lst_tmpa_fp {\g_lst_top_dim}
\fp_set:Nn \l_lst_tmpb_fp {\l_lst_tmpa_tl - \g_lst_bottom_dim}
\dim_set:Nn \l_lst_tmpa_dim {\l_lst_tmpb_tl pt - \g_lst_right_dim - \g_lst_left_dim}

\fp_do_while:nNnn \l_lst_tmpa_fp < \l_lst_tmpb_fp {
    % compute position of end of line
    \fp_set:Nn \l_lst_tmpc_fp {\l_lst_tmpa_fp + \g_lst_line_height_dim}
    \fp_compare:nNnT \l_lst_tmpc_fp < \l_lst_tmpb_fp {
        % if we haven't reached end of box
        % acquire current color
        \edef\l_lst_tmpc_tl{\clist_item:Nn \g_lst_colors_clist {
                \int_mod:nn {\l_lst_tmpa_int}{\clist_count:N \g_lst_colors_clist} + 1
            }
        }

        \bool_if:NTF \g_lst_debug_bool {
            \draw[draw=black] 
            ($(interior.north~west)+(\dim_use:N \g_lst_left_dim, -\fp_use:N \l_lst_tmpa_fp pt)$) 
            rectangle ++(\dim_use:N \l_lst_tmpa_dim, -\dim_use:N \g_lst_line_height_dim);
        } {
            \draw[draw=none,fill=\l_lst_tmpc_tl]
            ($(interior.north~west)+(\dim_use:N \g_lst_left_dim, -\fp_use:N \l_lst_tmpa_fp pt)$) 
            rectangle ++(\dim_use:N \l_lst_tmpa_dim, -\dim_use:N \g_lst_line_height_dim);
        }

    }
    \fp_set_eq:NN \l_lst_tmpa_fp \l_lst_tmpc_fp
    \int_incr:N \l_lst_tmpa_int
}


}
\ExplSyntaxOff
\makeatother
\begin{document}
\begin{tcblisting}{lststyle}
  const BlogTitle = ({ children }) => (
    <h3>{children}</h3>
  );
  // class component
  class BlogPost extends React.Component {
    renderTitle(title) {
      return <BlogTitle>{title}</BlogTitle>
    };
    render() {
      return (
      <div className="blog-body">
        {this.renderTitle(this.props.title)}
        <p>{this.props.body}</p>
      </div>
      );
    }
  }
\end{tcblisting}
\end{document}