ci: run tests on both Windows and Ubuntu (#368)

(meta)

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

.github/workflows/main.yml

@@ -13,7 +13,10 @@ on:
 jobs:
   build_and_test:
     name: Build & Test
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js

packages/cli/jest.config.js

@@ -20,6 +20,7 @@ module.exports = {
   globals: {
     'ts-jest': {
       tsConfig: 'test/tsconfig.json',
+      isolatedModules: true,
     },
   },
 }

prettier.config.js

@@ -5,4 +5,5 @@ module.exports = {
   trailingComma: 'all',
   semi: false,
   printWidth: 110,
+  endOfLine: 'lf',
 }