refractor/lang/docker.js

Lightweight, robust, elegant virtual syntax highlighting using Prism

'use strict';

module.exports = docker;
docker.displayName = 'docker';
docker.aliases = ['dockerfile'];
function docker(Prism) {
  Prism.languages.docker = {
    keyword: {
      pattern: /(^\s*)(?:ADD|ARG|CMD|COPY|ENTRYPOINT|ENV|EXPOSE|FROM|HEALTHCHECK|LABEL|MAINTAINER|ONBUILD|RUN|SHELL|STOPSIGNAL|USER|VOLUME|WORKDIR)(?=\s)/im,
      lookbehind: true
    },
    string: /("|')(?:(?!\1)[^\\\r\n]|\\(?:\r\n|[\s\S]))*\1/,
    comment: /#.*/,
    punctuation: /---|\.\.\.|[:[\]{}\-,|>?]/
  };
  Prism.languages.dockerfile = Prism.languages.docker;
}