chore: addressed review comments

src/v0/destinations/fb_custom_audience/recordTransform.js

@@ -103,8 +103,8 @@ async function processRecordInputs(groupedRecordInputs) {
   const { destination, connection } = groupedRecordInputs[0];
   const { message } = groupedRecordInputs[0];
   const { accessToken, disableFormat, type, subType, isRaw, maxUserCount } = destination.Config;
-  const audienceId = get(connection, 'config.destination.audienceId');
-  const isHashRequired = get(connection, 'config.destination.isHashRequired');
+  const audienceId = connection?.config?.destination?.audienceId;
+  const isHashRequired = connection?.config?.destination?.isHashRequired;
   const prepareParams = {
     access_token: accessToken,
   };

src/v0/destinations/fb_custom_audience/transform.js

@@ -21,7 +21,6 @@ const { schemaFields, USER_ADD, USER_DELETE } = require('./config');
 
 const { MappedToDestinationKey } = require('../../../constants');
 const { processRecordInputs } = require('./recordTransform');
-const logger = require('../../../logger');
 
 function checkForUnsupportedEventTypes(dictionary, keyList) {
   const unsupportedEventTypes = [];

src/v0/destinations/fb_custom_audience/util.js

@@ -1,7 +1,6 @@
 const lodash = require('lodash');
 const sha256 = require('sha256');
 const crypto = require('crypto');
-const get = require('get-value');
 const jsonSize = require('json-size');
 const { InstrumentationError, ConfigurationError } = require('@rudderstack/integrations-lib');
 const { TransformationError } = require('@rudderstack/integrations-lib');
@@ -49,7 +48,7 @@ const batchingWithPayloadSize = (payload) => {
 };
 
 const getSchemaForEventMappedToDest = (message) => {
-  const mappedSchema = get(message, 'fields');
+  const mappedSchema = message.fields;
   if (!mappedSchema) {
     throw new InstrumentationError(
       'event.fields is required property for events mapped to destination ',