Fix the case where the entry file is in a subdirectory (#10)

index.js

@@ -6,9 +6,9 @@ const chokidar = require('chokidar');
 const isDev = require('electron-is-dev');
 const dateTime = require('date-time');
 const chalk = require('chalk');
+const findUp = require('find-up');
 
-function getMainProcessPaths(topModuleObject) {
-	const cwd = path.dirname(topModuleObject.filename);
+function getMainProcessPaths(topModuleObject, cwd) {
 	const paths = new Set([topModuleObject.filename]);
 
 	const getPaths = moduleObject => {
@@ -43,8 +43,10 @@ module.exports = (moduleObj, options) => {
 		...options
 	};
 
-	const cwd = path.dirname(moduleObj.filename);
-	const mainProcessPaths = getMainProcessPaths(moduleObj);
+	const mainProcessDir = path.dirname(moduleObj.filename);
+	const packageDir = findUp.sync('package.json', {cwd: mainProcessDir});
+	const cwd = packageDir ? path.dirname(packageDir) : mainProcessDir;
+	const mainProcessPaths = getMainProcessPaths(moduleObj, cwd);
 	const watchPaths = options.watchRenderer ? cwd : [...mainProcessPaths];
 
 	const watcher = chokidar.watch(watchPaths, {

package.json

@@ -11,7 +11,7 @@
 	},
 	"scripts": {
 		"test": "xo",
-		"start": "electron test"
+		"start": "electron test/main"
 	},
 	"files": [
 		"index.js"
@@ -39,7 +39,8 @@
 		"chalk": "^2.4.2",
 		"chokidar": "^3.0.0",
 		"date-time": "^3.1.0",
-		"electron-is-dev": "^1.1.0"
+		"electron-is-dev": "^1.1.0",
+		"find-up": "^4.1.0"
 	},
 	"devDependencies": {
 		"electron": "^5.0.1",

test/index.js → test/main/index.js

@@ -2,7 +2,7 @@
 const path = require('path');
 const {app, BrowserWindow} = require('electron');
 
-require('..')(module, {
+require('../..')(module, {
 	debug: true
 });
 
@@ -12,5 +12,5 @@ let mainWindow;
 	await app.whenReady();
 
 	mainWindow = new BrowserWindow();
-	await mainWindow.loadFile(path.join(__dirname, 'index.html'));
+	await mainWindow.loadFile(path.join(__dirname, '../index.html'));
 })();