Add watchRenderer option

index.js

@@ -24,7 +24,7 @@ function getMainProcessPaths(topModuleObj) {
 	return paths;
 }
 
-module.exports = (moduleObj, options = {}) => {
+module.exports = (moduleObj, options) => {
 	// This module should be a dev dependency, but guard
 	// this in case the user included it as a dependency
 	if (!isDev) {
@@ -35,10 +35,15 @@ module.exports = (moduleObj, options = {}) => {
 		throw new Error('You have to pass the `module` object');
 	}
 
+	options = Object.assign({
+		watchRenderer: true
+	}, options);
+
 	const cwd = path.dirname(moduleObj.filename);
 	const mainProcessPaths = getMainProcessPaths(moduleObj);
+	const watchPaths = options.watchRenderer ? cwd : [...mainProcessPaths];
 
-	const watcher = chokidar.watch(cwd, {
+	const watcher = chokidar.watch(watchPaths, {
 		cwd,
 		disableGlobbing: true,
 		ignored: [

readme.md

@@ -56,6 +56,15 @@ Type: `Array<string|RegExp>`
 
 Ignore patterns passed to [`chokidar`](https://github.com/paulmillr/chokidar#path-filtering). By default, files/directories starting with a `.`, `.map` files, and `node_modules` directories are ignored. This option is additive to those.
 
+##### watchRenderer
+
+Type: `boolean`<br>
+Default: `true`
+
+Watch files used in the renderer process and reload the window when they change.
+
+Setting this to `false` can be useful if you use a different reload strategy in the rendererer process, like [`HMR`](https://webpack.js.org/concepts/hot-module-replacement/).
+
 
 ## Tip