refactor: move wrapping helper to utils (#16)

package.json

@@ -41,6 +41,11 @@
             "import": "./dist/advantage/messaging/publisher-side.js",
             "require": "./dist/advantage/messaging/publisher-side.cjs",
             "types": "./dist/advantage/messaging/publisher-side.d.ts"
+        },
+        "./utils": {
+            "import": "./dist/utils/index.js",
+            "require": "./dist/utils/index.cjs",
+            "types": "./dist/utils/index.d.ts"
         }
     },
     "scripts": {

src/advantage/index.ts

@@ -2,7 +2,7 @@ export { Advantage } from "./advantage";
 import { AdvantageWrapper } from "./wrapper";
 import { AdvantageUILayer } from "./ui-layer";
 import logger from "../utils/logging";
-import { advantageWrapAdSlotElement as actualAdvantageWrapAdSlotElement } from "./wrapping-helper";
+import { advantageWrapAdSlotElement as actualAdvantageWrapAdSlotElement } from "../utils/wrapping-helper";
 export { actualAdvantageWrapAdSlotElement as advantageWrapAdSlotElement };
 export * from "./messaging";
 export * from "../types";

src/utils/index.ts

@@ -5,3 +5,4 @@ export {
     sendMessageAndOpenChannel,
     sendMessageAndAwaitResponse
 } from "./messaging";
+export * from "./wrapping-helper";

www/docs/tutorial/publisher.md

@@ -62,7 +62,7 @@ It is now time to wrap your ad slots in the Advantage Wrapper.
 You can also choose to use a helper method that does the wrapping for you:
 
 ```ts
-import { advantageWrapAdSlotElement } from "@get-advantage/advantage";
+import { advantageWrapAdSlotElement } from "@get-advantage/advantage/utils";
 
 /* advantageWrapAdSlotElement is a function that wraps an ad slot element with an
 Advantage-wrapper. It takes either a selector string or an HTMLElement as an argument.