Overhaul regex for styleUrls (#10)

* Overhaul regex for styleUrls

* Add tests

.npmignore

@@ -1,2 +1,3 @@
 /example
+/__tests__
 circle.yml

__tests__/preprocessor.test.js

@@ -0,0 +1,43 @@
+const {process} = require('../preprocessor');
+
+const sources = [
+  `@Component({
+  selector: 'xc-media-box-h0',
+  templateUrl: './media-box-h0.component.html',
+  styleUrls: [ '../media-box.component.scss' ],
+})`,
+  `@Component({
+  selector: 'xc-media-box-h0',
+  templateUrl: './media-box-h0.component.html',
+  styleUrls: ['../media-box.component.scss',
+  './media-box-h0.component.scss'],
+})`,
+  `@Component({
+  selector: 'xc-media-box-h0',
+  templateUrl: './media-box-h0.component.html',
+  styleUrls: [
+    '../media-box.component.scss',
+  ],
+})`,
+  `@Component({
+  selector: 'xc-media-box-h0',
+  templateUrl: './media-box-h0.component.html',
+  styleUrls: [
+    '../media-box.component.scss',
+    './media-box-h0.component.scss'
+  ],
+})`
+];
+
+const config = {
+  "globals": {
+    "__TS_CONFIG__": "example/src/tsconfig.spec.json",
+    "__TRANSFORM_HTML__": true
+  },
+}
+
+sources.forEach(source => {
+  test(`works with ${source}`, () => {
+    expect(process(source, '', config)).toMatch('styles: []');
+  });
+});

circle.yml

@@ -19,4 +19,5 @@ dependencies:
     - cd example && yarn install --no-progress
 test:
   override:
+    - yarn run test:ci
     - yarn link && cd example && yarn run test:ci

package.json

@@ -7,7 +7,15 @@
   "author": "Michał Pierzchała <thymikee@gmail.com>",
   "license": "BSD-3",
   "dependencies": {
-    "jest-zone-patch": "^0.0.5",
-    "ts-jest": "^19.0.6"
+    "jest-zone-patch": "^0.0.5"
+  },
+  "devDependencies": {
+    "jest": "^19.0.2",
+    "ts-jest": "^19.0.7",
+    "typescript": "^2.2.2"
+  },
+  "scripts": {
+    "test": "jest",
+    "test:ci": "jest -i"
   }
 }

preprocessor.js

@@ -1,6 +1,6 @@
 const {process} = require('ts-jest/preprocessor.js');
 const TEMPLATE_URL_REGEX = /templateUrl:\s*((?:'|").*(?:'|"))/g;
-const STYLE_URLS_REGEX = /styleUrls:\s*\[\s*((?:'|").*(?:'|"))\s*\]/g;
+const STYLE_URLS_REGEX = /styleUrls:\s*\[\s*((?:'|").*\s*(?:'|")).*\s*.*\]/g;
 
 module.exports.process = (src, path, config) => {
   // Replace `templateUrl: ''` calls with `template: require('')`