Simple JavaScript definition for LaTeX's Listings package

javascript.sty

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{javascript}[2017/04/13]

% Defines a Listings definition for JavaScript (ECMAscript 2016).

\RequirePackage{listings}

\lstdefinelanguage{JavaScript}{%
  keywords={const, let, typeof, instanceof, new, true, false, catch, function, return, null, undefined, catch, switch, var, if, in, while, for, do, else, case, break},
  keywordstyle=\bfseries,
  ndkeywords={class, export, throw, import, this},
  ndkeywordstyle=\bfseries,
  sensitive=false,
  comment=[l]{//},
  morecomment=[s]{/*}{*/},
  commentstyle=\ttfamily,
  stringstyle=\color{blue}\ttfamily,
  morestring=[b]',
  morestring=[b]`,
  morestring=[b]"
}