Adds tests for rollup and webpack - e.g. the 'module' and 'sideEffects' options in the package.json

Author: orta

.github/workflows/CI.yml

@@ -22,5 +22,15 @@ jobs:
 
       - name: "ES Modules Test"
         run: |
-          cd test/esm
+          cd test/esm-node-native
+          npm run test
+
+      - name: "Rollup Tree-shaking Test"
+        run: |
+          cd test/rollup-modules
+          npm run test
+
+      - name: "Webpack Tree-shaking Test"
+        run: |
+          cd test/webpack-modules
           npm run test

test/.gitignore

@@ -0,0 +1,3 @@
+package-lock.json
+rollup-modules/output
+webpack-modules/dist

test/esm/index.js renamed to test/esm-node-native/index.js

@@ -1,5 +1,9 @@
 {
   "dependencies": {
-    "tslib": "file:.."
+    "tslib": "file:..",
+    "rollup": "2.28.2",
+    "@rollup/plugin-node-resolve": "9.0.0",
+    "webpack": "4.44.2",
+    "webpack-cli": "3.3.12"
   }
 }

test/esm/package.json renamed to test/esm-node-native/package.json

@@ -0,0 +1,7 @@
+import { __awaiter } from "tslib";
+
+export const testFunction = (textToPrint) => __awaiter(void 0, void 0, void 0, function* () {
+    console.log(`State: ${textToPrint}`);
+});
+
+testFunction("Works")

test/package.json

@@ -0,0 +1,5 @@
+{
+  "scripts": {
+    "test": "../node_modules/.bin/rollup -c rollup.config.js && node output/index.js"
+  }
+}

test/rollup-modules/index.js

@@ -0,0 +1,10 @@
+import { nodeResolve } from '@rollup/plugin-node-resolve';
+
+export default {
+  input: 'index.js',
+  output: {
+    dir: 'output',
+    format: 'cjs'
+  },
+  plugins: [nodeResolve()]
+};

test/rollup-modules/package.json

@@ -0,0 +1,7 @@
+import { __awaiter } from "tslib";
+
+export const testFunction = (textToPrint) => __awaiter(void 0, void 0, void 0, function* () {
+    console.log(`State: ${textToPrint}`);
+});
+
+testFunction("Works")

test/rollup-modules/rollup.config.js

@@ -0,0 +1,5 @@
+{
+  "scripts": {
+    "test": "../node_modules/.bin/webpack && node dist/main.js"
+  }
+}