feat(core): fix #996, expose UncaughtPromiseError (#1040)

Author: JiaLiPassion

Diff for: lib/common/promise.ts

@@ -22,13 +22,6 @@ Zone.__load_patch('ZoneAwarePromise', (global: any, Zone: ZoneType, api: _ZonePr
     return obj ? obj.toString() : Object.prototype.toString.call(obj);
   }
 
-  interface UncaughtPromiseError extends Error {
-    zone: AmbientZone;
-    task: Task;
-    promise: ZoneAwarePromise<any>;
-    rejection: any;
-  }
-
   const __symbol__ = api.symbol;
   const _uncaughtPromiseErrors: UncaughtPromiseError[] = [];
   const symbolPromise = __symbol__('Promise');

Diff for: lib/zone.ts

@@ -336,6 +336,13 @@ interface _ZoneFrame {
   zone: Zone;
 }
 
+interface UncaughtPromiseError extends Error {
+  zone: Zone;
+  task: Task;
+  promise: Promise<any>;
+  rejection: any;
+}
+
 /**
  * Provides a way to configure the interception of zone events.
  *