Add tests for lodash and lodash-es

package.json

@@ -53,7 +53,6 @@
     "@rollup/plugin-node-resolve": "^9.0.0",
     "@rollup/plugin-replace": "^2.2.1",
     "@types/jest": "^25.2.1",
-    "@types/lodash": "^4.14.161",
     "@typescript-eslint/eslint-plugin": "^2.12.0",
     "@typescript-eslint/parser": "^2.12.0",
     "ansi-escapes": "^4.2.1",
@@ -102,6 +101,7 @@
   "devDependencies": {
     "@types/eslint": "^6.1.2",
     "@types/fs-extra": "^9.0.1",
+    "@types/lodash": "^4.14.161",
     "@types/node": "^14.11.1",
     "@types/react": "^16.9.11",
     "@types/rollup-plugin-json": "^3.0.2",

test/e2e/tsdx-build-default.test.ts

@@ -67,6 +67,30 @@ describe('tsdx build :: zero-config defaults', () => {
     expect(matched).toBeFalsy();
   });
 
+  it("shouldn't replace lodash/fp", () => {
+    const output = execWithCache('node ../dist/index.js build');
+    expect(output.code).toBe(0);
+
+    const matched = grep(/lodash\/fp/, ['dist/build-default.*.js']);
+    expect(matched).toBeTruthy();
+  });
+
+  it('should use lodash-es for the esm build', () => {
+    const output = execWithCache('node ../dist/index.js build');
+    expect(output.code).toBe(0);
+
+    const matched = grep(/lodash-es/, ['dist/build-default.esm.js']);
+    expect(matched).toBeTruthy();
+  });
+
+  it('should use lodash for the cjs build', () => {
+    const output = execWithCache('node ../dist/index.js build');
+    expect(output.code).toBe(0);
+
+    const matched = grep(/lodash/, ['dist/build-default.cjs.*.js']);
+    expect(matched).toBeTruthy();
+  });
+
   it('should clean the dist directory before rebuilding', () => {
     let output = execWithCache('node ../dist/index.js build');
     expect(output.code).toBe(0);
@@ -105,14 +129,6 @@ describe('tsdx build :: zero-config defaults', () => {
     shell.mv('package-og.json', 'package.json');
   });
 
-  it("shouldn't replace lodash/fp", () => {
-    const output = execWithCache('node ../dist/index.js build');
-    expect(output.code).toBe(0);
-
-    const matched = grep(/lodash\/fp/, ['dist/build-default.*.js']);
-    expect(matched).toBeTruthy();
-  });
-
   afterAll(() => {
     util.teardownStage(stageName);
   });