wip: code formatting nits continued

test/tap.spec.js

@@ -0,0 +1,28 @@
+describe('tap', () => {
+    it('should intercept and return the given value', () => {
+        let intercepted;
+        const array = [1, 2, 3];
+
+        const actual = _.tap(array, (value) => {
+            intercepted = value;
+        });
+
+        expect(actual).toBe(array);
+        expect(intercepted).toBe(array);
+    });
+
+    it('should intercept unwrapped values and return wrapped values when chaining', () => {
+        let intercepted;
+        const array = [1, 2, 3];
+
+        const wrapped = _(array).tap((value) => {
+            intercepted = value;
+            value.pop();
+        });
+
+        expect(wrapped instanceof _);
+
+        wrapped.value();
+        expect(intercepted).toBe(array);
+    });
+});