date-fns/esm/locale/_lib/buildFormatLongFn/index.js

Modern JavaScript date utility library

export default function buildFormatLongFn(args) {
  return function (dirtyOptions) {
    var options = dirtyOptions || {};
    var width = options.width ? String(options.width) : args.defaultWidth;
    var format = args.formats[width] || args.formats[args.defaultWidth];
    return format;
  };
}