text: /* eslint-disable prefer-arrow-callback, no-empty */
  var printWarning = function() {};
  
  if (process.env.NODE_ENV !== "production") {
    printWarning = function(format, subs) {
      var index = 0;
      var message =
        "Warning: " +
        (subs.length > 0
          ? format.replace(/%s/g, function() {
              return subs[index++];
            })
          : format);
  
      if (typeof console !== "undefined") {
        console.error(message);
      }
  
      try {
        // --- Welcome to debugging React Router ---
        // This error was thrown as a convenience so that you can use the
        // stack trace to find the callsite that triggered this warning.
        throw new Error(message);
      } catch (e) {}
    };
  }
  
  export default function(member) {
    printWarning(
      'Please use `import { %s } from "react-router-dom"` instead of `import %s from "react-router-dom/es/%s"`. ' +
        "Support for the latter will be removed in the next major release.",
      [member, member]
    );
  }
  