ext-authornumber.bbx

\ProvidesFile{ext-authornumber.bbx}
  [2024/03/24 v0.18 extended biblatex authoryear bibliography style (MW)]

\RequireBibliographyStyle{ext-standard}
\RequireBibliographyStyle{ext-authortitle}

\ExecuteBibliographyOptions{sorting=nyt}

\DeclareDelimFormat{namenumberdelim}{\addspace}
\DeclareDelimAlias{nonamenumberdelim}{namenumberdelim}

\renewbibmacro*{author}{%
  \ifboolexpr{
    test \ifuseauthor
    and
    not test {\ifnameundef{author}}
  }
    {\usebibmacro{bbx:dashcheck}
       {\bibnamedash}
       {\usebibmacro{bbx:savehash}%
        \printnames{author}%
        \iffieldundef{authortype}
          {\setunit{\printdelim{namenumberdelim}}}
          {\setunit{\printdelim{authortypedelim}}}}%
     \iffieldundef{authortype}
       {}
       {\usebibmacro{authorstrg}%
        \setunit{\printdelim{namenumberdelim}}}}%
    {\global\undef\bbx@lasthash
     \usebibmacro{labeltitle}%
     \setunit*{\printdelim{nonamenumberdelim}}}%
  \usebibmacro{extraname}}

\renewbibmacro*{bbx:editor}[1]{%
  \ifboolexpr{
    test \ifuseeditor
    and
    not test {\ifnameundef{editor}}
  }
    {\usebibmacro{bbx:dashcheck}
       {\bibnamedash}
       {\printnames{editor}%
        \setunit{\printdelim{editortypedelim}}%
        \usebibmacro{bbx:savehash}}%
     \usebibmacro{#1}%
     \clearname{editor}%
     \setunit{\printdelim{namenumberdelim}}}%
    {\global\undef\bbx@lasthash
     \usebibmacro{labeltitle}%
     \setunit*{\printdelim{nonamenumberdelim}}}%
  \usebibmacro{extraname}}

\renewbibmacro*{bbx:translator}[1]{%
  \ifboolexpr{
    test \ifusetranslator
    and
    not test {\ifnameundef{translator}}
  }
    {\usebibmacro{bbx:dashcheck}
       {\bibnamedash}
       {\printnames{translator}%
        \setunit{\printdelim{translatortypedelim}}%
        \usebibmacro{bbx:savehash}}%
     \usebibmacro{#1}%
     \clearname{translator}%
     \setunit{\printdelim{namenumberdelim}}}%
    {\global\undef\bbx@lasthash
     \usebibmacro{labeltitle}%
     \setunit*{\printdelim{nonamenumberdelim}}}%
  \usebibmacro{extraname}}


\DeclareFieldFormat{bibextraname}{\mkbibbrackets{#1}}
\newbibmacro{extraname}{%
  \printtext[bibextraname]{%
    \iffieldundef{shorthand}
      {\iffieldundef{extraname}
         {\printtext[extraname]{1}}
         {\printfield{extraname}}}
      {\printfield{shorthand}}}}


\endinput
%
% This file is part of the biblatex-ext bundle.
% biblatex-ext is released under the LaTeX Project Public License v1.3c
% or later.
%
% A complete list of files included in that package can be found in
% README.md or - failing that - in ext-standard.bbx.
%
% Official releases of this package are on CTAN
%   https://www.ctan.org/pkg/biblatex-ext
% development takes place on GitHub
%   https://github.com/moewew/biblatex-ext
%