\begin{quote}
Transform optional chaining operators into a series of nil checks \end{quote}
See our website \href{https://babeljs.io/docs/en/next/babel-plugin-proposal-optional-chaining.html}{\texttt{ @babel/plugin-\/proposal-\/optional-\/chaining}} for more information.\hypertarget{md_sfcode_node_modules__babel_plugin_proposal_optional_chaining_README_autotoc_md1647}{}\doxysection{Install}\label{md_sfcode_node_modules__babel_plugin_proposal_optional_chaining_README_autotoc_md1647}
Using npm\+:


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\DoxyCodeLine{npm install -\/-\/save-\/dev @babel/plugin-\/proposal-\/optional-\/chaining }

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or using yarn\+:


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\DoxyCodeLine{yarn add @babel/plugin-\/proposal-\/optional-\/chaining -\/-\/dev }

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