diff --git a/lib/commands/launch.js b/lib/commands/launch.js
index 87b11d4..755223f 100644
--- a/lib/commands/launch.js
+++ b/lib/commands/launch.js
@@ -179,7 +179,7 @@ module.exports = async function (cb, {nomin = false}) {
 
 		fs.ensureDirSync(path.resolve(config.distFolder));
 
-		let buildResult = await nitroService.build(config, true, nomin);
+		const buildResult = await nitroService.build(config, true, nomin);
 
 		if (buildResult.valid) {
 			console.log(chalk.cyan('=> build complete'));
diff --git a/lib/modes/pro.js b/lib/modes/pro.js
index 597ec4f..e360d13 100644
--- a/lib/modes/pro.js
+++ b/lib/modes/pro.js
@@ -37,7 +37,6 @@ module.exports = class ProModeInitializer {
 		// Copy the files from node_modules to the current directory
 		await fs.copy(path.join(this.getTemplatePath(), 'template'), this.appPath);
 
-
 		// Initialize the template
 		const templateConfig = await templateService.initTemplate(
 			path.join(this.getTemplatePath(), 'init.js'),
@@ -59,18 +58,18 @@ module.exports = class ProModeInitializer {
 		};
 
 		if (finalConfig.cssExtensions.includes('css')) {
-			finalConfig.mainCss = "./src/main.css";
+			finalConfig.mainCss = './src/main.css';
 			await fs.writeFile(
-				path.resolve(process.cwd(), finalConfig.srcFolder, `main.css`), `body {
+				path.resolve(process.cwd(), finalConfig.srcFolder, 'main.css'), `body {
   background-color: #fff;
 }`
 			);
 		}
 
 		if (finalConfig.cssExtensions.includes('scss')) {
-			finalConfig.mainCss = "./src/main.scss";
+			finalConfig.mainCss = './src/main.scss';
 			await fs.writeFile(
-				path.resolve(process.cwd(), finalConfig.srcFolder, `main.scss`), `@import "scss/file1";
+				path.resolve(process.cwd(), finalConfig.srcFolder, 'main.scss'), `@import "scss/file1";
 
 body {
 	background-color: #fff;
@@ -78,16 +77,16 @@ body {
 			);
 			await fs.ensureDir(path.resolve(process.cwd(), finalConfig.srcFolder, 'scss'));
 			await fs.writeFile(
-				path.resolve(process.cwd(), finalConfig.srcFolder, 'scss', `file1.scss`), `.file1 {
+				path.resolve(process.cwd(), finalConfig.srcFolder, 'scss', 'file1.scss'), `.file1 {
 	background-color: #fff;
 }`
 			);
 		}
 
 		if (finalConfig.cssExtensions.includes('less')) {
-			finalConfig.mainCss = "./src/main.less";
+			finalConfig.mainCss = './src/main.less';
 			await fs.writeFile(
-				path.resolve(process.cwd(), finalConfig.srcFolder, `main.less`), `@import "less/file1";
+				path.resolve(process.cwd(), finalConfig.srcFolder, 'main.less'), `@import "less/file1";
 
 body {
 	background-color: #fff;
@@ -95,23 +94,23 @@ body {
 			);
 			await fs.ensureDir(path.resolve(process.cwd(), finalConfig.srcFolder, 'less'));
 			await fs.writeFile(
-				path.resolve(process.cwd(), finalConfig.srcFolder, 'less', `file1.less`), `.file1 {
+				path.resolve(process.cwd(), finalConfig.srcFolder, 'less', 'file1.less'), `.file1 {
 	background-color: #fff;
 }`
 			);
 		}
 
 		if (finalConfig.cssExtensions.includes('styl')) {
-			finalConfig.mainCss = "./src/main.styl";
+			finalConfig.mainCss = './src/main.styl';
 			await fs.writeFile(
-				path.resolve(process.cwd(), finalConfig.srcFolder, `main.styl`), `@import "styl/file1";
+				path.resolve(process.cwd(), finalConfig.srcFolder, 'main.styl'), `@import "styl/file1";
 
 body
 	background-color: #fff`
 			);
 			await fs.ensureDir(path.resolve(process.cwd(), finalConfig.srcFolder, 'styl'));
 			await fs.writeFile(
-				path.resolve(process.cwd(), finalConfig.srcFolder, 'styl', `file1.styl`), `.file1
+				path.resolve(process.cwd(), finalConfig.srcFolder, 'styl', 'file1.styl'), `.file1
 	background-color: #fff`
 			);
 		}
diff --git a/lib/services/nitro-service.js b/lib/services/nitro-service.js
index 32203bb..2dc6fa4 100644
--- a/lib/services/nitro-service.js
+++ b/lib/services/nitro-service.js
@@ -200,14 +200,14 @@ const runCommand = async (webpack, webpackConfig, showErrors) => {
 					console.error(err.details);
 				}
 
-				reject('webpack failed');
+				reject(new Error('webpack failed'));
 			}
 
-			if (showErrors && (stats.hasErrors() || stats.hasWarnings())) {
-				if (stats.toString().includes('Cannot find module')
-					|| (stats.toString().includes('Module not found') && stats.toString().includes(`in '${path.resolve(process.cwd())}'`))
+			if (showErrors && (stats.hasErrors() || stats.hasWarnings())) {
+				if (stats.toString().includes('Cannot find module') ||
+					(stats.toString().includes('Module not found') && stats.toString().includes(`in '${path.resolve(process.cwd())}'`))
 				) {
-						reject('MODULE_NOT_FOUND');
+					reject(new Error('MODULE_NOT_FOUND'));
 				} else {
 					console.log(stats.toString({
 						preset: 'errors-warnings',
@@ -216,7 +216,7 @@ const runCommand = async (webpack, webpackConfig, showErrors) => {
 						colors: true
 					}));
 
-					reject('has errors');
+					reject(new Error('has errors'));
 				}
 			} else {
 				resolve('done');
@@ -240,12 +240,12 @@ const build = async (config, firstAttempt = true, nomin = false) => {
 	let buildResult = {
 		valid: true,
 		moduleNotFound: false
-	}
+	};
 
-	const catchError = (error) => {
+	const catchError = error => {
 		buildResult.valid = false;
 
-		if (error.code === 'MODULE_NOT_FOUND' || error === 'MODULE_NOT_FOUND') {
+		if (error.code === 'MODULE_NOT_FOUND' || error.message === 'MODULE_NOT_FOUND') {
 			buildResult.moduleNotFound = true;
 		}
 	};
@@ -254,7 +254,7 @@ const build = async (config, firstAttempt = true, nomin = false) => {
 		const webpack = require(path.resolve(process.cwd(), 'node_modules', 'webpack'));
 
 		try {
-			let webpackConfigDev = require(path.resolve(process.cwd(), 'webpack.dev'));
+			const webpackConfigDev = require(path.resolve(process.cwd(), 'webpack.dev'));
 			await runCommand(webpack, webpackConfigDev, true);
 		} catch (error) {
 			catchError(error);
@@ -262,7 +262,7 @@ const build = async (config, firstAttempt = true, nomin = false) => {
 
 		if (buildResult.valid && nomin === false) {
 			try {
-				let webpackConfigProd = require(path.resolve(process.cwd(), 'webpack.prod'));
+				const webpackConfigProd = require(path.resolve(process.cwd(), 'webpack.prod'));
 				await runCommand(webpack, webpackConfigProd, false);
 			} catch (error) {
 				catchError(error);
diff --git a/lib/services/npm-service.js b/lib/services/npm-service.js
index 60df4e9..b92a131 100644
--- a/lib/services/npm-service.js
+++ b/lib/services/npm-service.js
@@ -1,6 +1,5 @@
 const fs = require('fs-extra');
 const {spawn} = require('child_process');
-const chalk = require('chalk');
 const ora = require('ora');
 
 const installPackage = async (packageName, packagePath = './') => {
@@ -9,14 +8,9 @@ const installPackage = async (packageName, packagePath = './') => {
 	await fs.ensureDir(packagePath);
 
 	return new Promise((resolve, reject) => {
-		const command = /^win/.test(process.platform) ? 'npm.cmd' : 'npm';
-		let args;
+		const command = process.platform.startsWith('win') ? 'npm.cmd' : 'npm';
 
-		if (packagePath) {
-			args = ['--prefix', packagePath, 'install', packageName];
-		} else {
-			args = ['install', packageName];
-		}
+		const args = packagePath ? ['--prefix', packagePath, 'install', packageName] : ['install', packageName];
 
 		const child = spawn(command, args, {stdio: 'ignore'});
 
@@ -35,7 +29,7 @@ const installPackage = async (packageName, packagePath = './') => {
 const installDependencies = async (config, packagePath = './') => {
 	await fs.ensureDir(packagePath);
 
-	const spinner = ora(`Installing dependencies`).start();
+	const spinner = ora('Installing dependencies').start();
 
 	if (config.cssExtensions.includes('scss')) {
 		await installPackage('sass');
@@ -53,7 +47,7 @@ const installDependencies = async (config, packagePath = './') => {
 	}
 
 	return new Promise((resolve, reject) => {
-		const command = /^win/.test(process.platform) ? 'npm.cmd' : 'npm';
+		const command = process.platform.startsWith('win') ? 'npm.cmd' : 'npm';
 		const args = ['install', '--loglevel', 'error'];
 
 		const child = spawn(command, args, {cwd: packagePath, stdio: 'ignore'});