function syntaxHighlight()

in script.js [1027:1045]

• 19 lines of code
• 5 McCabe index (conditional complexity)

  function syntaxHighlight(json) {
    json = json.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
    return json.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g, function (match) {
      let cls = 'json-number';
      if (/^"/.test(match)) {
        if (/:$/.test(match)) {
          cls = 'json-key';
          match = match.replace(':', '');
        } else {
          cls = 'json-string';
        }
      } else if (/true|false/.test(match)) {
        cls = 'json-boolean';
      } else if (/null/.test(match)) {
        cls = 'json-null';
      }
      return '<span class="' + cls + '">' + match + '</span>';
    });
  }