test: run snippets in CI (#2345)

* run snippets in CI

* add name, try to avoid building

* better printing

* refactors

* fix getTransaction test

.github/workflows/nodejs.yml

@@ -195,3 +195,45 @@ jobs:
       - name: Stop docker container
         if: always()
         run: docker stop rippled-service
+
+  snippets:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    strategy:
+      matrix:
+        node-version: [14.x, 16.x, 18.x, 20.x]
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Setup npm version 9
+        run: |
+          npm i -g npm@9 --registry=https://registry.npmjs.org
+
+      - name: Cache node modules
+        id: cache-nodemodules
+        uses: actions/cache@v3
+        env:
+          cache-name: cache-node-modules
+        with:
+          # caching node_modules
+          path: |
+            node_modules
+            */*/node_modules
+          key: ${{ runner.os }}-deps-${{ matrix.node-version }}-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-deps-${{ matrix.node-version }}-
+            ${{ runner.os }}-deps-
+
+      - name: Install Dependencies
+        if: steps.cache-nodemodules.outputs.cache-hit != 'true'
+        run: npm ci
+
+      - run: npm run build
+      - name: Run Snippets
+        run: (for i in packages/xrpl/snippets/src/*.ts; do echo "Running $i" && npx ts-node $i || exit 1; done)