add PR workflow

Author: baseten

.github/workflows/pr.yml

@@ -0,0 +1,18 @@
+name: PR
+
+on: [ pull_request ]
+
+jobs:
+  pr:
+    name: PR
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run lint:js
+      - run: npm run test:types
+      - run: npm run test:ci

package.json

@@ -8,6 +8,8 @@
     "pretest": "npm run test:clean && npm run lint:js",
     "test:clean": "rimraf ./coverage",
     "test": "cross-env NODE_ENV=test jest --coverage",
+    "test:ci": "cross-env NODE_ENV=test jest",
+    "test:types": "tsc --noEmit",
     "test:watch": "cross-env NODE_ENV=test jest --watchAll",
     "build:esm": "cross-env BABEL_ENV=esm babel src -d dist/esm",
     "build:cjs": "cross-env BABEL_ENV=cjs babel src -d dist/cjs",