allow styleLoaders config with only environment (#227)

CHANGELOG.md

@@ -3,6 +3,10 @@ All notable changes to this project will be documented in this file. Items under
 
 Contributors: please follow the recommendations outlined at [keepachangelog.com](http://keepachangelog.com/). Please use the existing headings and styling as a guide, and add a link for the version diff at the bottom of the file. Also, please update the `Unreleased` link to compare to the latest release version.
 
+## [2.0.0.beta.18] - 2016-12-15
+##### Fixed
+- Allow `styleLoaders` config with only `env` config by [bertho-zero](https://github.com/bertho-zero).
+
 ## [2.0.0.beta.17] - 2016-12-04
 ##### Added
 - Allow `styleLoaders` to depend on the environment variable `NODE_ENV` [#222](https://github.com/shakacode/bootstrap-loader/pull/222) by [bertho-zero](https://github.com/bertho-zero).
@@ -79,7 +83,8 @@ Changes from v1.1.1 to 2.0.0.beta.2
 
 ## [1.0.8]
 
-[Unreleased]: https://github.com/shakacode/bootstrap-loader/compare/2.0.0-beta.17...master
+[Unreleased]: https://github.com/shakacode/bootstrap-loader/compare/2.0.0-beta.18...master
+[2.0.0.beta.18]: https://github.com/shakacode/bootstrap-loader/compare/2.0.0-beta.17...2.0.0-beta.18
 [2.0.0.beta.17]: https://github.com/shakacode/bootstrap-loader/compare/2.0.0-beta.16...2.0.0-beta.17
 [2.0.0.beta.16]: https://github.com/shakacode/bootstrap-loader/compare/2.0.0-beta.15...2.0.0-beta.16
 [2.0.0.beta.15]: https://github.com/shakacode/bootstrap-loader/compare/2.0.0-beta.14...2.0.0-beta.15

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bootstrap-loader",
-  "version": "2.0.0-beta.17",
+  "version": "2.0.0-beta.18",
   "description": "Boostrap for Webpack",
   "main": "loader.js",
   "scripts": {
@@ -59,7 +59,7 @@
     "babel-preset-es2015": "^6.18.0",
     "babel-tape-runner": "^2.0.1",
     "eslint": "^3.10.2",
-    "eslint-config-shakacode": "^13.1.0",
+    "eslint-config-shakacode": "13.1.0",
     "eslint-plugin-import": "^2.2.0",
     "extract-text-webpack-plugin": ">=2.0.0-beta",
     "tap-spec": "^4.1.1",

src/bootstrap.loader.js

@@ -40,6 +40,7 @@ import buildExtractStylesLoader from './utils/buildExtractStylesLoader';
 import createRequire from './utils/createRequire';
 import logger from './utils/logger';
 import fileExists from './utils/fileExists';
+import getEnvProp from './utils/getEnvProp';
 import createConfig from './bootstrap.config';
 
 module.exports = function() {};
@@ -152,7 +153,7 @@ The package is 'bootstrap' for bootstrap v4 and 'bootstrap-sass' for v3.
   const bootstrapConfig = JSON.stringify(config);
   // Handle styles
   if (config.styles) {
-    if (!config.styleLoaders) {
+    if (!getEnvProp('styleLoaders', config)) {
       throw new Error(`
 Could not find 'styleLoaders' in your config.
 You can use default ones: