Add more checks to GitHub workflow (#26)

Author: jhuleatt

.github/workflows/deploy-preview.yml

@@ -14,14 +14,17 @@
 
 name: Deploy Preview
 
-on: [pull_request]
+on: pull_request
 
 jobs:
   build_and_preview:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      # - run: npm run build
+      - name: Install dependencies
+        run: npm ci
+      - name: Check that Prettier was run
+        run: npm run format:check
       - uses: ./
         with:
           repoToken: "${{ secrets.GITHUB_TOKEN }}"

.gitignore

@@ -1,4 +1,3 @@
 node_modules
-package-lock.json
 .firebase/*
 **/*.d.ts

.prettierignore

@@ -1,3 +1,3 @@
 node_modules
 package-lock.json
-action.min.js
+bin