refactor(api): Move api-hooks.ts from api to api/impl

src/api/api-hook-manager.ts

@@ -8,7 +8,7 @@
 
 import { TrackedEvent } from "../events";
 import { GameInstance } from "../state";
-import { returnTrue } from "./api-hooks";
+import { returnTrue } from "./impl";
 
 /**
  * Manager for the Game's API hooks.

src/api/api-hooks.ts → src/api/impl/api-hooks.ts

@@ -9,10 +9,10 @@
  * Licensed under MIT License (see https://github.com/regal/regal)
  */
 
-import { RegalError } from "../error";
-import { EventFunction, isTrackedEvent, on } from "../events";
-import { GameInstance } from "../state";
-import { HookManager } from "./api-hook-manager";
+import { RegalError } from "../../error";
+import { EventFunction, isTrackedEvent, on } from "../../events";
+import { GameInstance } from "../../state";
+import { HookManager } from "../api-hook-manager";
 
 /** Default implementation of `beforeUndoCommandHook`; always returns true. */
 export const returnTrue = (game: GameInstance) => true;

src/api/impl/index.ts

@@ -0,0 +1,13 @@
+/*
+ * The purpose of this file is to abstract all api-related implementations
+ * by re-exporting their constructors from a single file.
+ *
+ * Copyright (c) 2018 Joseph R Cowman
+ * Licensed under MIT License (see https://github.com/regal/regal)
+ */
+export {
+    onPlayerCommand,
+    onStartCommand,
+    onBeforeUndoCommand,
+    returnTrue
+} from "./api-hooks";

src/api/index.ts

@@ -8,9 +8,5 @@
 
 export { GameResponse, GameResponseOutput } from "./game-response";
 export { Game } from "./game-api";
-export {
-    onPlayerCommand,
-    onStartCommand,
-    onBeforeUndoCommand
-} from "./api-hooks";
+export { onPlayerCommand, onStartCommand, onBeforeUndoCommand } from "./impl";
 export { HookManager } from "./api-hook-manager";