File eplanningBidAdapter.js has 470 lines of code (exceeds 250 allowed). Consider refactoring.

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import {getWindowSelf, isEmpty, parseSizesInput, isGptPubadsDefined} from '../src/utils.js';
import {getGlobal} from '../src/prebidGlobal.js';
import {registerBidder} from '../src/adapters/bidderFactory.js';
import {getStorageManager} from '../src/storageManager.js';
import {BANNER, VIDEO} from '../src/mediaTypes.js';

Function buildRequests has a Cognitive Complexity of 39 (exceeds 5 allowed). Consider refactoring.

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  buildRequests: function(bidRequests, bidderRequest) {
    const method = 'GET';
    const dfpClientId = '1';
    const sec = 'ROS';
    let url;

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Function buildRequests has 61 lines of code (exceeds 25 allowed). Consider refactoring.

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  buildRequests: function(bidRequests, bidderRequest) {
    const method = 'GET';
    const dfpClientId = '1';
    const sec = 'ROS';
    let url;

Function getSpaces has a Cognitive Complexity of 18 (exceeds 5 allowed). Consider refactoring.

Open

function getSpaces(bidRequests, ml) {
  let impType = bidRequests.reduce((previousBits, bid) => (bid.mediaTypes && bid.mediaTypes[VIDEO]) ? (bid.mediaTypes[VIDEO].context == 'outstream' ? (previousBits | 2) : (previousBits | 1)) : previousBits, 0);
  // Only one type of auction is supported at a time
  if (impType) {
    bidRequests = bidRequests.filter((bid) => bid.mediaTypes && bid.mediaTypes[VIDEO] && (impType & VAST_INSTREAM ? (!bid.mediaTypes[VIDEO].context || bid.mediaTypes[VIDEO].context == 'instream') : (bid.mediaTypes[VIDEO].context == 'outstream')));

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Function getViewabilityTracker has 58 lines of code (exceeds 25 allowed). Consider refactoring.

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function getViewabilityTracker() {
  let TIME_PARTITIONS = 5;
  let VIEWABILITY_TIME = 1000;
  let VIEWABILITY_MIN_RATIO = 0.5;
  let publicApi;

Function waitForElementsPresent has 38 lines of code (exceeds 25 allowed). Consider refactoring.

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function waitForElementsPresent(elements) {
  const observer = new MutationObserver(function (mutationList, observer) {
    let index;
    let adView;
    if (mutationList && Array.isArray(mutationList)) {

Function interpretResponse has 33 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  interpretResponse: function(serverResponse, request) {
    const response = serverResponse.body;
    let bidResponses = [];

    if (response && !isEmpty(response.sp)) {

Function compareSizesByPriority has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

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function compareSizesByPriority(size1, size2) {
  var priorityOrderForSizesAsc = isMobileDevice() ? PRIORITY_ORDER_FOR_MOBILE_SIZES_ASC : PRIORITY_ORDER_FOR_DESKTOP_SIZES_ASC;
  var index1 = priorityOrderForSizesAsc.indexOf(size1);
  var index2 = priorityOrderForSizesAsc.indexOf(size2);
  if (index1 > -1) {

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Function observer has 28 lines of code (exceeds 25 allowed). Consider refactoring.

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  const observer = new MutationObserver(function (mutationList, observer) {
    let index;
    let adView;
    if (mutationList && Array.isArray(mutationList)) {
      mutationList.forEach(mr => {

Function getViewabilityTracker has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

Open

function getViewabilityTracker() {
  let TIME_PARTITIONS = 5;
  let VIEWABILITY_TIME = 1000;
  let VIEWABILITY_MIN_RATIO = 0.5;
  let publicApi;

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Function getSize has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

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function getSize(bid, first) {
  var arraySizes = bid.sizes && bid.sizes.length ? getSizesSortedByPriority(bid.sizes) : [];
  if (arraySizes.length) {
    return first ? arraySizes[0] : arraySizes.join(',');
  } else {

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Function _mapAdUnitPathToElementId has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

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function _mapAdUnitPathToElementId(adUnitCode) {
  if (isGptPubadsDefined()) {
    // eslint-disable-next-line no-undef
    const adSlots = googletag.pubads().getSlots();
    const isMatchingAdSlot = isSlotMatchingAdUnitCode(adUnitCode);

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