@atlaskit/editor-wikimarkup-transformer/dist/es2019/encoder/nodes/code-block.js

Wiki markup transformer for JIRA and Confluence

import { inlines } from './inlines';
const supportedLanguageInWiki = ['actionscript', 'ada', 'applescript', 'bash', 'c', 'c#', 'c++', 'cpp', 'css', 'erlang', 'go', 'groovy', 'haskell', 'html', 'java', 'javascript', 'js', 'json', 'lua', 'none', 'nyan', 'objc', 'perl', 'php', 'python', 'r', 'rainbow', 'ruby', 'scala', 'sh', 'sql', 'swift', 'visualbasic', 'xml', 'yaml'];
export const codeBlock = node => {
  let result = '';
  node.forEach(n => {
    result += inlines(n, {
      parent: node
    });
  });
  if (supportedLanguageInWiki.indexOf(node.attrs.language) !== -1) {
    return `{code:${node.attrs.language}}${result}{code}`;
  } else {
    return `{noformat}${result}{noformat}`;
  }
};