feat(annotations): read stacked @Inject annotations

Author: buchanae

src/annotations.js

@@ -102,8 +102,12 @@ function readAnnotations(fn) {
   if (fn.annotations && fn.annotations.length) {
     for (var annotation of fn.annotations) {
       if (annotation instanceof Inject) {
-        collectedAnnotations.params = annotation.tokens.map((token) => {
-          return {token: token, isPromise: annotation.isPromise, isLazy: annotation.isLazy};
+        annotation.tokens.forEach((token) => {
+          collectedAnnotations.params.push({
+            token: token,
+            isPromise: annotation.isPromise,
+            isLazy: annotation.isLazy
+          });
         });
       }
 

test/annotations.spec.js

@@ -158,4 +158,29 @@ describe('readAnnotations', function() {
     expect(annotations.params[1].isPromise).toBe(false);
     expect(annotations.params[1].isLazy).toBe(false);
   });
+
+  it('should read stacked @Inject{Lazy, Promise} annotations', function() {
+    class One {}
+    class Two {}
+    class Three {}
+
+    @Inject(One)
+    @InjectLazy(Two)
+    @InjectPromise(Three)
+    class Foo {}
+
+    var annotations = readAnnotations(Foo);
+
+    expect(annotations.params[0].token).toBe(One);
+    expect(annotations.params[0].isPromise).toBe(false);
+    expect(annotations.params[0].isLazy).toBe(false);
+
+    expect(annotations.params[1].token).toBe(Two);
+    expect(annotations.params[1].isPromise).toBe(false);
+    expect(annotations.params[1].isLazy).toBe(true);
+
+    expect(annotations.params[2].token).toBe(Three);
+    expect(annotations.params[2].isPromise).toBe(true);
+    expect(annotations.params[2].isLazy).toBe(false);
+  });
 });