index.js
function updateYear(context) {
  return context.dateRange
    ? utils.updateYear(context.dateRange, String(utils.year()))
    : utils.year();
}
function updateYear(context) {
  return context.dateRange
    ? utils.updateYear(context.dateRange, String(utils.year()))
    : utils.year();
}
function updateYear ( context ) { return context . dateRange ? utils . updateYear ( context . dateRange , String ( utils . year ( ) ) ) : utils . year ( ) ; }
Parse the copyright statement and update the year or year range.

@param {Object} `context`
@return {String}
Parse the copyright statement and update the year or year range .