Add CI

Author: TheSpyder

.github/workflows/ci.yml

@@ -0,0 +1,22 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 20
+          cache: yarn
+      - run: yarn install
+      - run: yarn test

package.json

@@ -21,7 +21,8 @@
     "start": "rescript build -w",
     "clean": "rescript clean",
     "doc-install": "npm install --no-save bsdoc",
-    "test": "rescript && bsdoc build api && bsdoc support-files",
+    "doc": "rescript && bsdoc build api && bsdoc support-files",
+    "test": "rescript && echo 'checking for differences in compiled output...' && git diff-index --quiet HEAD -- && echo 'success!'",
     "format-all": "rescript format -all",
     "prepublishOnly": "rescript clean && rescript build"
   },