Fixes testing different node versions

.github/workflows/ci.yml

@@ -14,14 +14,19 @@ jobs:
         node-version: [12.x, 13.x, 14.x, 15.x, 16.x, 17.x, 18.x, 19.x, 20.x, 21.x, 22.x]
     steps:
       - uses: actions/checkout@v3
-      - name: Use Node.js ${{ matrix.node-version }}
+      - name: Use Node.js 20.x To Build
         uses: actions/setup-node@v3
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version: 20.x
       - run: make install
       - run: make install-styleguide
       - run: make build
       - run: EASYPOST_TEST_API_KEY=123 EASYPOST_PROD_API_KEY=123 make test
+      - name: Use Node.js ${{ matrix.node-version }} to test importing and using
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: make test-import-and-use
   lint:
     runs-on: ubuntu-latest
     steps:

Makefile

@@ -75,6 +75,10 @@ scan:
 test:
 	npm run test
 
+## test actually importing and useing the built version
+test-import-and-use:
+	npm run test-import-and-use
+
 ## update - Update dependencies (Unix only)
 update: | update-examples-submodule
 	npm update

package.json

@@ -39,6 +39,7 @@
     "repl": "./repl.js --local ./dist/cjs",
     "scan": "npx audit-ci -m --config ./audit-ci.jsonc",
     "test": "cross-env NODE_ENV=test mocha",
+    "test-import-and-use": "node ./test-import.js",
     "watch": "webpack --config webpack.config.babel.js --watch"
   },
   "dependencies": {

test-import.js

@@ -0,0 +1,18 @@
+const EasyPostClient = require('./dist/cjs');
+
+const client = new EasyPostClient.default('fake-api-key');
+
+client.CarrierMetadata.retrieve()
+  .then(function () {
+    console.error("Request shouldn't have succeeded");
+    process.exit(1);
+  })
+  .catch(function (error) {
+    if (error.message.includes('This api key is no longer active')) {
+      console.log('seems to be working properly');
+      return;
+    }
+
+    console.error('wrong error received');
+    process.exit(1);
+  });