11071 Prevent Events system import in bidders (#11548)

Co-authored-by: Marcin Komorski <marcinkomorski@Marcins-MacBook-Pro.local>

.eslintrc.js

@@ -96,5 +96,15 @@ module.exports = {
     // code in other packages (such as plugins/eslint) is not "seen" by babel and its parser will complain.
     files: 'plugins/*/**/*.js',
     parser: 'esprima'
+  }, 
+  {
+    files: '**BidAdapter.js',
+    rules: {
+      'no-restricted-imports': [
+        'error', {
+          patterns: ["**/src/events.js"]
+        }
+      ]
+    }
   }])
 };

modules/holidBidAdapter.js

@@ -5,8 +5,6 @@ import {
   logMessage,
   triggerPixel,
 } from '../src/utils.js';
-import * as events from '../src/events.js';
-import { EVENTS } from '../src/constants.js';
 import {BANNER} from '../src/mediaTypes.js';
 
 import {registerBidder} from '../src/adapters/bidderFactory.js';
@@ -19,8 +17,6 @@ const TIME_TO_LIVE = 300
 const TMAX = 500
 let wurlMap = {}
 
-events.on(EVENTS.BID_WON, bidWonHandler)
-
 export const spec = {
   code: BIDDER_CODE,
   gvlid: GVLID,
@@ -120,6 +116,15 @@ export const spec = {
 
     return syncs
   },
+
+  onBidWon(bid) {
+    const wurl = getWurl(bid.requestId)
+    if (wurl) {
+      logMessage(`Invoking image pixel for wurl on BID_WIN: "${wurl}"`)
+      triggerPixel(wurl)
+      removeWurl(bid.requestId)
+    }
+  }
 }
 
 function getImp(bid) {
@@ -176,13 +181,4 @@ function getWurl(requestId) {
   }
 }
 
-function bidWonHandler(bid) {
-  const wurl = getWurl(bid.requestId)
-  if (wurl) {
-    logMessage(`Invoking image pixel for wurl on BID_WIN: "${wurl}"`)
-    triggerPixel(wurl)
-    removeWurl(bid.requestId)
-  }
-}
-
 registerBidder(spec)