fix(track-trail-updates): added ability to turn off trailing updates …

README.md

@@ -427,7 +427,9 @@ export default hot(Hello); // <-- module will reload itself
 Wrapping this root component with `hot()` will ensure that it is hot reloaded correctly.
 
 ### Out-of-bound warning
+
 You may see the following warning when code-split components are updated:
+
 ```console
 React-Hot-Loader: some components were updated out-of-bound. Updating your app to reconcile the changes.
 ```
@@ -447,6 +449,9 @@ in the configuration or useage of `react-hot-loader`.
 If the tail update detection is not something you want or need, you can disable this behavior by setting
 `setConfig({ trackTailUpdates:false })`.
 
+Alternatively, if you want trail detection but don't want the logging, you can pass `setConfig({ trackTailUpdates:false })`.
+This will keep it enabled but suppress the warnings.
+
 ### Checking Element `type`s
 
 Because React Hot Loader creates proxied versions of your components, comparing

src/hot.dev.js

@@ -66,9 +66,12 @@ const makeHotExport = (sourceModule, moduleId) => {
                 // we know that some components were updated, but not tracking which ones
                 // even if their updates might be incorporated automatically (like lazy)
                 // we dont know which one should be tracked, and which updates are important
-                console.warn(
-                  'React-Hot-Loader: some components were updated out-of-bound. Updating your app to reconcile the changes.',
-                );
+                if (typeof configuration.trackTailUpdates === 'boolean' && configuration.trackTailUpdates) {
+                  // Disable logging because user passed 'true'... they are aware they should be tracked.
+                  console.warn(
+                    'React-Hot-Loader: some components were updated out-of-bound. Updating your app to reconcile the changes.',
+                  );
+                }
                 deepUpdate();
               } else if (++runLimit < 5) {
                 checkTailUpdates();