Workaround to define a new environment with beamer's ignorenonframetext option [duplicate]

Question

The following code produces an error when compiling with pdflatex:

\documentclass[ignorenonframetext]{beamer}

\usepackage{environ}

\NewEnviron{myframe}[1][]{%
    \begin{frame}{#1}
        \BODY
    \end{frame}
}

\begin{document}

This is star mode stuff.

\begin{frame}{First frame}
    Some text.
\end{frame}

\mode<presentation>{
    \begin{myframe}{title}
        Some text.
    \end{myframe}
}

\end{document}

Output of pdflatex:

! LaTeX Error: \begin{myframe} on input line 23 ended by \end{document}.

If i remove the ignorenonframetext option or use myframe outside the presentation mode, everything works fine.

Is there a way to make myframe work within the presentation mode?

Answer 1

Hiding the frame environment in a custom environment is still not a good idea, however the beamer user guide shows this example which you can adapted to include your environment:

Example: The following example shows how you can include other files in a main file. The contents of a main.tex:

\documentclass[ignorenonframetext]{beamer}
\begin{document}
This is star mode stuff.
Let’s include files:
\mode<all>
\include{a}
\include{b}
\mode*

\documentclass[ignorenonframetext]{beamer}

\usepackage{environ}

\NewEnviron{myframe}[1]{%
    \begin{frame}[environment=myframe]{#1}
        \BODY
    \end{frame}
}

\begin{document}

This is star mode stuff.

\begin{frame}{First frame}
    Some text.
\end{frame}

\mode<all>
    \begin{myframe}{title}
        Some text.
    \end{myframe}
\mode*

\end{document}