Fix: Do not expect react-script to be in devDependencies (fix #526)

scripts/__tests__/config.spec.js

@@ -160,9 +160,15 @@ it('should return webpackConfig option as is', () => {
 });
 
 it('should return webpackConfig with user webpack config', () => {
-	process.chdir('test/apps/cra');
+	process.chdir('test/apps/basic');
 	const result = getConfig();
-	expect(result.webpackConfig).toEqual({ cra: true });
+	expect(result.webpackConfig).toEqual(
+		expect.objectContaining({
+			module: {
+				loaders: expect.any(Array),
+			},
+		})
+	);
 });
 
 it('should allow no webpack config', () => {

scripts/__tests__/index.spec.js

@@ -102,12 +102,12 @@ describe('makeWebpackConfig', () => {
 	});
 
 	it('should merge Create React App Webpack config', () => {
-		process.chdir('test/apps/cra');
+		process.chdir('test/apps/basic');
 		const api = styleguidist();
 		const result = api.makeWebpackConfig();
 
 		expect(result).toBeTruthy();
-		expect(result.cra).toBeTruthy();
+		expect(result.module).toBeTruthy();
 	});
 
 	it('should add json-loader', () => {

scripts/utils/__tests__/findUserWebpackConfig.spec.js

@@ -1,19 +1,24 @@
 import findUserWebpackConfig from '../findUserWebpackConfig';
 
 const cwd = process.cwd();
-afterEach(() => {
-	process.chdir(cwd);
-});
+afterEach(() => process.chdir(cwd));
 
 it('should return path to Create React App Webpack config', () => {
-	process.chdir('test/apps/cra');
-	const result = findUserWebpackConfig();
+	const result = findUserWebpackConfig(a => a);
 	expect(result).toMatch(/^react-scripts\//);
 });
 
 it('should return an absolute path to user Webpack config located in project root folder', () => {
 	process.chdir('test/apps/basic');
+
 	const result = findUserWebpackConfig();
 	expect(result).toMatch(/^\//);
 	expect(result).toMatch(/webpack.config.js$/);
 });
+
+it('should return false if there is no webpack config', () => {
+	process.chdir('test/apps/no-webpack');
+
+	const result = findUserWebpackConfig();
+	expect(result).toBeFalsy();
+});

scripts/utils/findUserWebpackConfig.js

@@ -2,7 +2,6 @@
 
 const fs = require('fs');
 const path = require('path');
-const isCreateReactApp = require('./isCreateReactApp');
 
 const CREATE_REACT_APP_WEBPACK_CONFIG = 'react-scripts/config/webpack.config.dev';
 const USER_WEBPACK_CONFIG_NAMES = ['webpack.config.js', 'webpackfile.js'];
@@ -14,19 +13,21 @@ const absolutize = filePath => path.resolve(process.cwd(), filePath);
  * Fixed location for Create React App or webpack.config.js in the root directory.
  * Returns false if config not found.
  *
+ * @param {Function} resolve
  * @return {string|boolean}
  */
-module.exports = function findUserWebpackConfig() {
-	// Create React App
-	if (isCreateReactApp()) {
-		return CREATE_REACT_APP_WEBPACK_CONFIG;
-	}
-
-	// Check in the root folder
-	for (const configFile of USER_WEBPACK_CONFIG_NAMES) {
-		const absoluteConfigFile = absolutize(configFile);
-		if (fs.existsSync(absoluteConfigFile)) {
-			return absoluteConfigFile;
+module.exports = function findUserWebpackConfig(resolve) {
+	resolve = resolve || require.resolve;
+	try {
+		// Create React App
+		return resolve(CREATE_REACT_APP_WEBPACK_CONFIG);
+	} catch (err) {
+		// Check in the root folder
+		for (const configFile of USER_WEBPACK_CONFIG_NAMES) {
+			const absoluteConfigFile = absolutize(configFile);
+			if (fs.existsSync(absoluteConfigFile)) {
+				return absoluteConfigFile;
+			}
 		}
 	}