code: function getCommaCheckIndex(commaNode, nodeIndex) {
          let commaBefore =
            valueNode.before +
            argumentStrings.slice(0, nodeIndex).join("") +
            commaNode.before;
  
          // 1. Remove comments including preceeding whitespace (when only succeeded by whitespace)
          // 2. Remove all other comments, but leave adjacent whitespace intact
          commaBefore = commaBefore.replace(
            /( *\/(\*.*\*\/(?!\S)|\/.*)|(\/(\*.*\*\/|\/.*)))/,
            ""
          );
  
          return commaBefore.length;
        }
docs: Gets the index of the comma for checking.
  @param {Node} commaNode The comma node
  @param {number} nodeIndex The index of the comma node
  @returns {number} The index of the comma for checking