test: add test for Node.js ES Modules and CommonJS usage

Also remove unused npm script for browser-esmodules

Author: ctavan

.github/workflows/ci.yml

@@ -38,3 +38,5 @@ jobs:
       if: matrix.node-version == '12.x'
       env:
         BUNDLEWATCH_GITHUB_TOKEN: ${{ secrets.BUNDLEWATCH_GITHUB_TOKEN }}
+    - run: npm run test:node
+      if: matrix.node-version == '12.x' || matrix.node-version == '14.x'

package.json

@@ -72,16 +72,19 @@
     "standard-version": "7.1.0"
   },
   "scripts": {
-    "examples:browser-webpack:build": "cd examples/browser-webpack && npm install && npm run build",
-    "examples:browser-rollup:build": "cd examples/browser-rollup && npm install && npm run build",
-    "examples:browser-esmodules:build": "cd examples/browser-esmodules && npm install && npm run build",
+    "examples:browser:webpack:build": "cd examples/browser-webpack && npm install && npm run build",
+    "examples:browser:rollup:build": "cd examples/browser-rollup && npm install && npm run build",
+    "examples:node:commonjs:test": "cd examples/node-commonjs && npm install && npm test",
+    "examples:node:esmodules:test": "cd examples/node-esmodules && npm install && npm test",
     "lint": "npm run eslint:check && npm run prettier:check",
     "eslint:check": "eslint src/ test/ examples/ *.js",
     "eslint:fix": "eslint --fix src/ test/ examples/ *.js",
     "pretest": "[ -n $CI ] || npm run build",
     "test": "BABEL_ENV=commonjs node --throw-deprecation node_modules/.bin/jest test/unit/",
-    "pretest:browser": "npm run build && npm-run-all --parallel examples:**",
+    "pretest:browser": "npm run build && npm-run-all --parallel examples:browser:**",
     "test:browser": "wdio run ./wdio.conf.js",
+    "pretest:node": "npm run build",
+    "test:node": "npm-run-all --parallel examples:node:**",
     "prettier:check": "prettier --ignore-path .prettierignore --check '**/*.{js,jsx,json,md}'",
     "prettier:fix": "prettier --ignore-path .prettierignore --write '**/*.{js,jsx,json,md}'",
     "bundlewatch": "npm run pretest:browser && bundlewatch --config bundlewatch.config.json",