streamrail · michachen · Jul 9, 2025 · Jul 9, 2025 · Jul 9, 2025 · Jul 9, 2025
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -1,111 +1,12 @@
-# Javascript Node CircleCI 2.0 configuration file
-#
-# Check https://circleci.com/docs/2.0/language-javascript/ for more details
-#
-
-aliases:
-  - &environment
-      docker:
-        # specify the version you desire here
-        - image: cimg/node:20.14.0
-      resource_class: medium
-        # Specify service dependencies here if necessary
-        # CircleCI maintains a library of pre-built images
-        # documented at https://circleci.com/docs/2.0/circleci-images/
-        # - image: circleci/mongo:3.4.4
-      working_directory: ~/Prebid.js
-
-  - &restore_dep_cache
-      keys:
-        - v1-dependencies-{{ checksum "package.json" }}
-
-  - &restore_babel_cache
-      keys:
-        - v1-babel-cache-{{ checksum "package.json" }}
-
-  - &save_dep_cache
-      paths:
-        - node_modules
-      key: v1-dependencies-{{ checksum "package.json" }}
-
-  - &save_babel_cache
-      paths:
-        - .cache
-      key: v1-babel-cache-{{ checksum "package.json" }}
-
-  - &install
-      name: Install gulp cli
-      command: sudo npm install -g gulp-cli
-
-  - &run_unit_test
-      name: BrowserStack testing
-      command: gulp test --browserstack --nolintfix --nolint
-
-  - &run_endtoend_test
-      name: BrowserStack End to end testing
-      command: gulp e2e-test
-
-  - &unit_test_steps
-    - checkout
-    - restore_cache: *restore_dep_cache
-    - restore_cache: *restore_babel_cache
-    - run: npm ci
-    - save_cache: *save_dep_cache
-    - save_cache: *save_babel_cache
-    - run: *install
-    - run: *run_unit_test
-
-  - &endtoend_test_steps
-    - checkout
-    - restore_cache: *restore_dep_cache
-    - restore_cache: *restore_babel_cache
-    - run: npm install
-    - save_cache: *save_dep_cache
-    - save_cache: *save_babel_cache
-    - run: *install
-    - run: *run_endtoend_test
-
-version: 2
+version: 2.1
 jobs:
-  build:
-    <<: *environment
-    steps: *unit_test_steps
-    serial-group: "browserstack"
-
-  lint:
-    <<: *environment
+  noop:
+    docker:
+      - image: cimg/base:stable
     steps:
-      - checkout
-      - restore_cache: *restore_dep_cache
-      - run: npm ci
-      - save_cache: *save_dep_cache
-      - restore_cache:
-          keys:
-            - eslint-cache-{{ checksum "package-lock.json" }}-{{ checksum "eslint.config.js" }}-{{ checksum ".gitignore" }}
-      - run:
-          name: 'Run ESLint'
-          command: echo 'linting ...' && npx eslint --cache --cache-strategy content
-      - save_cache:
-          key: eslint-cache-{{ checksum "package-lock.json" }}-{{ checksum "eslint.config.js" }}-{{ checksum ".gitignore" }}
-          paths:
-            - .eslintcache
-
-  e2etest:
-    <<: *environment
-    steps: *endtoend_test_steps
-    serial-group: "browserstack"
-
+      - run: echo "CircleCI build skipped - using GitHub Actions. This job can be removed once 9.x is no longer supported."
 workflows:
   version: 2
-  commit:
+  default:
     jobs:
-      - lint
-      - build:
-          requires:
-            - lint
-      - e2etest:
-          requires:
-            - build
-
-experimental:
-  pipelines: true
+      - noop
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -17,15 +17,41 @@ jobs:
     name: "Check out source and install dependencies"
     timeout-minutes: 2
     runs-on: ubuntu-latest
+    outputs:
+      ref: ${{ steps.info.outputs.ref }}
+      commit: ${{ steps.info.outputs.commit }}
+      branch: ${{ steps.info.outputs.branch }}
+      fork: ${{ steps.info.outputs.fork }}
+      base-branch: ${{ steps.info.outputs.base-branch }}
+      base-commit: ${{ steps.info.outputs.base-commit }}
     steps:
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
           node-version: '20'
 
-      - name: Checkout code
+      - name: Checkout code (PR)
+        id: checkout-pr
+        if: ${{ github.event_name == 'pull_request_target' }}
+        uses: actions/checkout@v4
+        with:
+          ref: refs/pull/${{ github.event.pull_request.number }}/head
+
+      - name: Checkout code (push)
+        id: checkout-push
+        if: ${{ github.event_name == 'push' }}
         uses: actions/checkout@v4
 
+      - name: Commit info
+        id: info
+        run: |
+          echo ref="${{ steps.checkout-pr.outputs.ref || steps.checkout-push.outputs.ref }}" >> $GITHUB_OUTPUT
+          echo commit="${{ steps.checkout-pr.outputs.commit || steps.checkout-push.outputs.commit }}" >> $GITHUB_OUTPUT
+          echo branch="${{ github.head_ref || github.ref }}" >> $GITHUB_OUTPUT
+          echo fork="${{ (github.event.pull_request && github.event.pull_request.head.repo.owner.login != github.repository_owner) && github.event.pull_request.head.repo.owner.login || null }}" >> $GITHUB_OUTPUT
+          echo base-branch="${{ github.event.pull_request.base.ref || github.ref }}" >> $GITHUB_OUTPUT
+          echo base-commit="${{ github.event.pull_request.base.sha || github.event.before }}" >> $GITHUB_OUTPUT
+
       - name: Install dependencies
         run: npm ci
 
@@ -51,7 +77,8 @@ jobs:
           key: source-${{ github.run_id }}
           fail-on-cache-miss: true
       - name: lint
-        run: npx eslint
+        run: |
+          npx eslint
 
   test-no-features:
     name: "Unit tests (all features disabled)"
@@ -106,7 +133,7 @@ jobs:
 
   coveralls:
     name: Update coveralls
-    needs: test
+    needs: [checkout, test]
     runs-on: ubuntu-latest
     steps:
       - name: Restore working directory
@@ -117,3 +144,8 @@ jobs:
           fail-on-cache-miss: true
       - name: Coveralls
         uses: coverallsapp/github-action@v2
+        with:
+          git-branch: ${{ needs.checkout.outputs.fork && format('{0}:{1}', needs.checkout.outputs.fork, needs.checkout.outputs.branch) || needs.checkout.outputs.branch }}
+          git-commit: ${{ needs.checkout.outputs.commit }}
+          compare-ref: ${{ needs.checkout.outputs.base-branch }}
+          compare-sha: ${{ needs.checkout.outputs.base-commit }}
diff --git a/PR_REVIEW.md b/PR_REVIEW.md
@@ -23,7 +23,7 @@ General gulp commands include separate commands for serving the codebase on a bu
 - Checkout the branch (these instructions are available on the GitHub PR page as well).
 - Verify PR is a single change type. Example, refactor OR bugfix. If more than 1 type, ask submitter to break out requests.
 - Verify code under review has at least 80% unit test coverage. If legacy code doesn't have enough unit test coverage, require that additional unit tests to be included in the PR.
-- Verify tests are green in circle-ci + local build by running `gulp serve` | `gulp test`
+- Verify tests are green in Github Actions + local build by running `gulp serve` | `gulp test`
 - Verify no code quality violations are present from linting (should be reported in terminal)
 - Make sure the code is not setting cookies or localstorage directly -- it must use the `StorageManager`.
 - Review for obvious errors or bad coding practice / use best judgement here.

diff --git a/README.md b/README.md
@@ -1,4 +1,3 @@
-[![Build Status](https://circleci.com/gh/prebid/Prebid.js.svg?style=svg)](https://circleci.com/gh/prebid/Prebid.js)
 [![Percentage of issues still open](http://isitmaintained.com/badge/open/prebid/Prebid.js.svg)](https://isitmaintained.com/project/prebid/Prebid.js "Percentage of issues still open")
 [![Coverage Status](https://coveralls.io/repos/github/prebid/Prebid.js/badge.svg?branch=master)](https://coveralls.io/github/prebid/Prebid.js?branch=master)
 

diff --git a/RELEASE_SCHEDULE.md b/RELEASE_SCHEDULE.md
@@ -26,7 +26,7 @@ Announcements regarding releases will be made to the #prebid-js channel in prebi
 
 ### 2. Make sure all browserstack tests are passing
 
-   On PR merge to master, CircleCI will run unit tests on browserstack. Checking the last CircleCI build [here](https://circleci.com/gh/prebid/Prebid.js) for master branch will show you detailed results.**
+   On PR merge to master, Github Actions will run unit tests on browserstack. Checking the last build for master branch will show you detailed results.**
 
    In case of failure do following,
      - Try to fix the failing tests.

diff --git a/eslint.config.js b/eslint.config.js
@@ -136,7 +136,6 @@ module.exports = [
       'no-empty': 'off',
       'no-void': 'off',
       'array-callback-return': 'off',
-      'import-x/no-named-default': 'off',
       'prefer-const': 'off',
       'no-prototype-builtins': 'off',
       'object-shorthand': 'off',
@@ -237,12 +236,8 @@ module.exports = [
       'no-unused-vars': 'off',
       'import/extensions': 'off',
       'camelcase': 'off',
-      'import-x/no-duplicates': 'off',
-      'no-loss-of-precision': 'off',
-      'no-redeclare': 'off',
       'no-global-assign': 'off',
-      'default-case-last': 'off',
-      '@stylistic/no-trailing-spaces': 'error',
+      'default-case-last': 'off'
     }
   },
   {

diff --git a/integrationExamples/gpt/x-domain/creative.html b/integrationExamples/gpt/x-domain/creative.html
@@ -2,7 +2,7 @@
 // creative will be rendered, e.g. GAM delivering a SafeFrame
 
 // this code is autogenerated, also available in 'build/creative/creative.js'
-<script>(()=>{"use strict";const e="Prebid Event",n=(()=>{const e={frameBorder:0,scrolling:"no",marginHeight:0,marginWidth:0,topMargin:0,leftMargin:0,allowTransparency:"true"};return(n,t)=>{const r=n.createElement("iframe");return Object.entries(Object.assign({},t,e)).forEach((e=>{let[n,t]=e;return r.setAttribute(n,t)})),r}})();function t(e){return!!e.frames.__pb_locator__}window.pbRender=function(r){let o=r.parent;try{for(;o!==r.top&&!t(o);)o=o.parent;t(o)||(o=r.parent)}catch(e){}return function(t){let{adId:s,pubUrl:i,clickUrl:a}=t;const c=new URL(i,window.location).origin;function d(e,n,t){const r=new MessageChannel;r.port1.onmessage=u(t),o.postMessage(JSON.stringify(Object.assign({message:e,adId:s},n)),c,[r.port2])}function l(n){d(e,{event:"adRenderFailed",info:{reason:n?.reason||"exception",message:n?.message}}),n?.stack&&console.error(n)}function u(e){return function(){try{return e.apply(this,arguments)}catch(e){l(e)}}}d("Prebid Request",{options:{clickUrl:a}},(function(t){let o;try{o=JSON.parse(t.data)}catch(e){return}if("Prebid Response"===o.message&&o.adId===s){const t=n(r.document,{width:0,height:0,style:"display: none",srcdoc:`<script>${o.renderer}<\/script>`});t.onload=u((function(){const s=t.contentWindow;s.Promise.resolve(s.render(o,{sendMessage:d,mkFrame:n},r)).then((()=>d(e,{event:"adRenderSucceeded"})),l)})),r.document.body.appendChild(t)}}))}}(window)})();</script>
+<script>(()=>{"use strict";const e="Prebid Event",n=(()=>{const e={frameBorder:0,scrolling:"no",marginHeight:0,marginWidth:0,topMargin:0,leftMargin:0,allowTransparency:"true"};return(n,t)=>{const r=n.createElement("iframe");return Object.entries(Object.assign({},t,e)).forEach((e=>{let[n,t]=e;return r.setAttribute(n,t)})),r}})();function t(e){return!!e.frames.__pb_locator__}window.pbRender=function(r){let o=r.parent;try{for(;o!==r.top&&!t(o);)o=o.parent;t(o)||(o=r.parent)}catch(e){}return function(t){let{adId:s,pubUrl:i,clickUrl:a}=t;const c=new URL(i,window.location).origin;function d(e,n,t){const r=new MessageChannel;r.port1.onmessage=u(t),o.postMessage(JSON.stringify(Object.assign({message:e,adId:s},n)),c,[r.port2])}function l(n){d(e,{event:"adRenderFailed",info:{reason:n?.reason||"exception",message:n?.message}}),n?.stack&&console.error(n)}function u(e){return function(){try{return e.apply(this,arguments)}catch(e){l(e)}}}d("Prebid Request",{options:{clickUrl:a}},(function(t){let o;try{o=JSON.parse(t.data)}catch(e){return}if("Prebid Response"===o.message&&o.adId===s){const t=n(r.document,{width:0,height:0,style:"display: none"});t.onload=u((function(){const s=t.contentWindow;s.Promise.resolve(s.render(o,{sendMessage:d,mkFrame:n},r)).then((()=>d(e,{event:"adRenderSucceeded"})),l)})),t.srcdoc=`<script>${o.renderer}<\/script>`,r.document.body.appendChild(t)}}))}}(window)})();</script>
 
 <script>
     pbRender({

diff --git a/libraries/advangUtils/index.js b/libraries/advangUtils/index.js
@@ -12,12 +12,12 @@ export function isVideoBid(bid) {
 }
 
 export function getBannerBidFloor(bid) {
-  let floorInfo = isFn(bid.getFloor) ? bid.getFloor({ currency: 'USD', mediaType: 'banner', size: '*' }) : {};
+  const floorInfo = isFn(bid.getFloor) ? bid.getFloor({ currency: 'USD', mediaType: 'banner', size: '*' }) : {};
   return floorInfo?.floor || getBannerBidParam(bid, 'bidfloor');
 }
 
 export function getVideoBidFloor(bid) {
-  let floorInfo = isFn(bid.getFloor) ? bid.getFloor({ currency: 'USD', mediaType: 'video', size: '*' }) : {};
+  const floorInfo = isFn(bid.getFloor) ? bid.getFloor({ currency: 'USD', mediaType: 'video', size: '*' }) : {};
   return floorInfo.floor || getVideoBidParam(bid, 'bidfloor');
 }
 
@@ -60,7 +60,7 @@ export function findAndFillParam(o, key, value) {
 }
 
 export function getOsVersion() {
-  let clientStrings = [
+  const clientStrings = [
     { s: 'Android', r: /Android/ },
     { s: 'iOS', r: /(iPhone|iPad|iPod)/ },
     { s: 'Mac OS X', r: /Mac OS X/ },
@@ -76,7 +76,7 @@ export function getOsVersion() {
     { s: 'UNIX', r: /UNIX/ },
     { s: 'Search Bot', r: /(nuhk|Googlebot|Yammybot|Openbot|Slurp|MSNBot|Ask Jeeves\/Teoma|ia_archiver)/ }
   ];
-  let cs = clientStrings.find(cs => cs.r.test(navigator.userAgent));
+  const cs = clientStrings.find(cs => cs.r.test(navigator.userAgent));
   return cs ? cs.s : 'unknown';
 }
 
@@ -86,7 +86,7 @@ export function getFirstSize(sizes) {
 
 export function parseSizes(sizes) {
   return parseSizesInput(sizes).map(size => {
-    let [ width, height ] = size.split('x');
+    const [ width, height ] = size.split('x');
     return {
       w: parseInt(width, 10) || undefined,
       h: parseInt(height, 10) || undefined
@@ -127,11 +127,11 @@ export function getVideoTargetingParams(bid, VIDEO_TARGETING) {
 }
 
 export function createRequestData(bid, bidderRequest, isVideo, getBidParam, getSizes, getBidFloor, BIDDER_CODE, ADAPTER_VERSION) {
-  let topLocation = getTopWindowLocation(bidderRequest);
-  let topReferrer = getTopWindowReferrer(bidderRequest);
-  let paramSize = getBidParam(bid, 'size');
+  const topLocation = getTopWindowLocation(bidderRequest);
+  const topReferrer = getTopWindowReferrer(bidderRequest);
+  const paramSize = getBidParam(bid, 'size');
   let sizes = [];
-  let coppa = config.getConfig('coppa');
+  const coppa = config.getConfig('coppa');
 
   if (typeof paramSize !== 'undefined' && paramSize != '') {
     sizes = parseSizes(paramSize);
@@ -140,7 +140,7 @@ export function createRequestData(bid, bidderRequest, isVideo, getBidParam, getS
   }
 
   const firstSize = getFirstSize(sizes);
-  let floor = getBidFloor(bid) || (isVideo ? 0.5 : 0.1);
+  const floor = getBidFloor(bid) || (isVideo ? 0.5 : 0.1);
   const o = {
     'device': {
       'langauge': (global.navigator.language).split('-')[0],
@@ -182,8 +182,8 @@ export function createRequestData(bid, bidderRequest, isVideo, getBidParam, getS
     return global.screen.width;
   });
 
-  let placement = getBidParam(bid, 'placement');
-  let impType = isVideo ? {
+  const placement = getBidParam(bid, 'placement');
+  const impType = isVideo ? {
     'video': Object.assign({
       'id': generateUUID(),
       'pos': 0,
@@ -218,7 +218,7 @@ export function createRequestData(bid, bidderRequest, isVideo, getBidParam, getS
   }
 
   if (bidderRequest && bidderRequest.gdprConsent) {
-    let { gdprApplies, consentString } = bidderRequest.gdprConsent;
+    const { gdprApplies, consentString } = bidderRequest.gdprConsent;
     o.regs.ext = {'gdpr': gdprApplies ? 1 : 0};
     o.user.ext = {'consent': consentString};
   }

diff --git a/libraries/appnexusUtils/anKeywords.js b/libraries/appnexusUtils/anKeywords.js
@@ -39,7 +39,7 @@ export function transformBidderParamKeywords(keywords, paramName = 'keywords') {
 
   _each(keywords, (v, k) => {
     if (isArray(v)) {
-      let values = [];
+      const values = [];
       _each(v, (val) => {
         val = getValueString(paramName + '.' + k, val);
         if (val || val === '') {
@@ -86,9 +86,9 @@ function convertKeywordsToANMap(kwarray) {
   kwarray.forEach(kw => {
     // if = exists, then split
     if (kw.indexOf('=') !== -1) {
-      let kwPair = kw.split('=');
-      let key = kwPair[0];
-      let val = kwPair[1];
+      const kwPair = kw.split('=');
+      const key = kwPair[0];
+      const val = kwPair[1];
 
       // then check for existing key in result > if so add value to the array > if not, add new key and create value array
       if (result.hasOwnProperty(key)) {
@@ -131,9 +131,9 @@ export function getANKeywordParam(ortb2, ...anKeywordsMaps) {
 }
 
 export function getANMapFromOrtbSegments(ortb2) {
-  let ortbSegData = {};
+  const ortbSegData = {};
   ORTB_SEG_PATHS.forEach(path => {
-    let ortbSegsArrObj = deepAccess(ortb2, path) || [];
+    const ortbSegsArrObj = deepAccess(ortb2, path) || [];
     ortbSegsArrObj.forEach(segObj => {
       // only read segment data from known sources
       const segtax = ORTB_SEGTAX_KEY_MAP[segObj?.ext?.segtax];

diff --git a/libraries/appnexusUtils/anUtils.js b/libraries/appnexusUtils/anUtils.js
@@ -30,10 +30,10 @@ export const appnexusAliases = [
  * Creates an array of n length and fills each item with the given value
  */
 export function fill(value, length) {
-  let newArray = [];
+  const newArray = [];
 
   for (let i = 0; i < length; i++) {
-    let valueToPush = isPlainObject(value) ? deepClone(value) : value;
+    const valueToPush = isPlainObject(value) ? deepClone(value) : value;
     newArray.push(valueToPush);
   }
 

diff --git a/libraries/asteriobidUtils/asteriobidUtils.js b/libraries/asteriobidUtils/asteriobidUtils.js
@@ -2,18 +2,18 @@ const utmTags = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_co
 
 export function collectUtmTagData(storage, getParameterByName, logError, analyticsName) {
   let newUtm = false;
-  let pmUtmTags = {};
+  const pmUtmTags = {};
   try {
     utmTags.forEach(function (utmKey) {
-      let utmValue = getParameterByName(utmKey);
+      const utmValue = getParameterByName(utmKey);
       if (utmValue !== '') {
         newUtm = true;
       }
       pmUtmTags[utmKey] = utmValue;
     });
     if (newUtm === false) {
       utmTags.forEach(function (utmKey) {
-        let itemValue = storage.getDataFromLocalStorage(`pm_${utmKey}`);
+        const itemValue = storage.getDataFromLocalStorage(`pm_${utmKey}`);
         if (itemValue && itemValue.length !== 0) {
           pmUtmTags[utmKey] = itemValue;
         }