From ea8241a52ee8c48b4d022dec34df0320803f6908 Mon Sep 17 00:00:00 2001
From: Paul Gschwendtner <paulgschwendtner@gmail.com>
Date: Tue, 9 May 2017 21:19:01 +0200
Subject: [PATCH] feat(overlay): expose interface for custom positions (#4374)

---
 src/lib/core/core.ts          | 19 +------------------
 src/lib/core/overlay/index.ts | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 18 deletions(-)
 create mode 100644 src/lib/core/overlay/index.ts

diff --git a/src/lib/core/core.ts b/src/lib/core/core.ts
index 302bdff76340..99bcb25072d6 100644
--- a/src/lib/core/core.ts
+++ b/src/lib/core/core.ts
@@ -37,24 +37,7 @@ export {DomPortalHost} from './portal/dom-portal-host';
 export * from './platform/index';
 
 // Overlay
-export {Overlay, OVERLAY_PROVIDERS} from './overlay/overlay';
-export {OverlayContainer} from './overlay/overlay-container';
-export {FullscreenOverlayContainer} from './overlay/fullscreen-overlay-container';
-export {OverlayRef} from './overlay/overlay-ref';
-export {OverlayState} from './overlay/overlay-state';
-export {
-  ConnectedOverlayDirective,
-  OverlayOrigin,
-  OverlayModule,
-} from './overlay/overlay-directives';
-export * from './overlay/position/global-position-strategy';
-export * from './overlay/position/connected-position-strategy';
-export * from './overlay/position/connected-position';
-export {ScrollDispatcher} from './overlay/scroll/scroll-dispatcher';
-export {ScrollStrategy} from './overlay/scroll/scroll-strategy';
-export {RepositionScrollStrategy} from './overlay/scroll/reposition-scroll-strategy';
-export {CloseScrollStrategy} from './overlay/scroll/close-scroll-strategy';
-export {NoopScrollStrategy} from './overlay/scroll/noop-scroll-strategy';
+export * from './overlay/index';
 
 // Gestures
 export {GestureConfig} from './gestures/gesture-config';
diff --git a/src/lib/core/overlay/index.ts b/src/lib/core/overlay/index.ts
new file mode 100644
index 000000000000..07fee5e728df
--- /dev/null
+++ b/src/lib/core/overlay/index.ts
@@ -0,0 +1,20 @@
+export {Overlay, OVERLAY_PROVIDERS} from './overlay';
+export {OverlayContainer} from './overlay-container';
+export {FullscreenOverlayContainer} from './fullscreen-overlay-container';
+export {OverlayRef} from './overlay-ref';
+export {OverlayState} from './overlay-state';
+export {ConnectedOverlayDirective, OverlayOrigin, OverlayModule} from './overlay-directives';
+export {ScrollDispatcher} from './scroll/scroll-dispatcher';
+
+export * from './position/connected-position';
+
+// Export pre-defined position strategies and interface to build custom ones.
+export {PositionStrategy} from './position/position-strategy';
+export {GlobalPositionStrategy} from './position/global-position-strategy';
+export {ConnectedPositionStrategy} from './position/connected-position-strategy';
+
+// Export pre-defined scroll strategies and interface to build custom ones.
+export {ScrollStrategy} from './scroll/scroll-strategy';
+export {RepositionScrollStrategy} from './scroll/reposition-scroll-strategy';
+export {CloseScrollStrategy} from './scroll/close-scroll-strategy';
+export {NoopScrollStrategy} from './scroll/noop-scroll-strategy';