chore: update frontend-platform version to v4.2.0

Correct display of the number of days before the
start of the course into the Course Home.

.env

@@ -15,7 +15,6 @@ ECOMMERCE_BASE_URL=''
 ENABLE_JUMPNAV='true'
 ENABLE_NOTICES=''
 ENTERPRISE_LEARNER_PORTAL_HOSTNAME=''
-EXAMS_BASE_URL=''
 FAVICON_URL=''
 IGNORED_ERROR_REGEX=''
 INSIGHTS_BASE_URL=''
@@ -29,8 +28,6 @@ LOGO_WHITE_URL=''
 LEGACY_THEME_NAME=''
 MARKETING_SITE_BASE_URL=''
 ORDER_HISTORY_URL=''
-PROCTORED_EXAM_FAQ_URL=''
-PROCTORED_EXAM_RULES_URL=''
 REFRESH_ACCESS_TOKEN_ENDPOINT=''
 SEARCH_CATALOG_URL=''
 SEGMENT_KEY=''
@@ -46,4 +43,3 @@ TERMS_OF_SERVICE_URL=''
 TWITTER_HASHTAG=''
 TWITTER_URL=''
 USER_INFO_COOKIE_NAME=''
-OPTIMIZELY_FULL_STACK_SDK_KEY=''

.env.development

@@ -15,7 +15,6 @@ ECOMMERCE_BASE_URL='http://localhost:18130'
 ENABLE_JUMPNAV='true'
 ENABLE_NOTICES=''
 ENTERPRISE_LEARNER_PORTAL_HOSTNAME='localhost:8734'
-EXAMS_BASE_URL=''
 FAVICON_URL=https://edx-cdn.org/v3/default/favicon.ico
 IGNORED_ERROR_REGEX=''
 LANGUAGE_PREFERENCE_COOKIE_NAME='openedx-language-preference'
@@ -29,8 +28,6 @@ LEGACY_THEME_NAME=''
 MARKETING_SITE_BASE_URL='http://localhost:18000'
 ORDER_HISTORY_URL='http://localhost:1996/orders'
 PORT=2000
-PROCTORED_EXAM_FAQ_URL=''
-PROCTORED_EXAM_RULES_URL=''
 REFRESH_ACCESS_TOKEN_ENDPOINT='http://localhost:18000/login_refresh'
 SEARCH_CATALOG_URL='http://localhost:18000/courses'
 SEGMENT_KEY=''
@@ -46,6 +43,3 @@ TWITTER_HASHTAG='myedxjourney'
 TWITTER_URL='https://twitter.com/edXOnline'
 USER_INFO_COOKIE_NAME='edx-user-info'
 SESSION_COOKIE_DOMAIN='localhost'
-CHAT_RESPONSE_URL='http://localhost:18000/api/learning_assistant/v1/course_id'
-PRIVACY_POLICY_URL='http://localhost:18000/privacy'
-OPTIMIZELY_FULL_STACK_SDK_KEY=''

.env.test

@@ -15,7 +15,6 @@ ECOMMERCE_BASE_URL='http://localhost:18130'
 ENABLE_JUMPNAV='true'
 ENABLE_NOTICES=''
 ENTERPRISE_LEARNER_PORTAL_HOSTNAME='localhost:8734'
-EXAMS_BASE_URL='http://localhost:18740'
 FAVICON_URL=https://edx-cdn.org/v3/default/favicon.ico
 IGNORED_ERROR_REGEX=''
 LANGUAGE_PREFERENCE_COOKIE_NAME='openedx-language-preference'
@@ -29,8 +28,6 @@ LEGACY_THEME_NAME=''
 MARKETING_SITE_BASE_URL='http://localhost:18000'
 ORDER_HISTORY_URL='http://localhost:1996/orders'
 PORT=2000
-PROCTORED_EXAM_FAQ_URL=''
-PROCTORED_EXAM_RULES_URL=''
 REFRESH_ACCESS_TOKEN_ENDPOINT='http://localhost:18000/login_refresh'
 SEARCH_CATALOG_URL='http://localhost:18000/courses'
 SEGMENT_KEY=''
@@ -45,4 +42,3 @@ TERMS_OF_SERVICE_URL='https://www.edx.org/edx-terms-service'
 TWITTER_HASHTAG='myedxjourney'
 TWITTER_URL='https://twitter.com/edXOnline'
 USER_INFO_COOKIE_NAME='edx-user-info'
-PRIVACY_POLICY_URL='http://localhost:18000/privacy'

.eslintrc.js

@@ -1,17 +1,11 @@
-// eslint-disable-next-line import/no-extraneous-dependencies
 const { createConfig } = require('@edx/frontend-build');
 
-const config = createConfig('eslint', {
+module.exports = createConfig('eslint', {
+  overrides: [{
+    files: ["**/__tests__/**/*.[jt]s?(x)", "**/?(*.)+(spec|test).[jt]s?(x)", "setupTest.js"],
     rules: {
-    // TODO: all these rules should be renabled/addressed. temporarily turned off to unblock a release.
+      'import/named': 'off',
-    'react-hooks/rules-of-hooks': 'off',
-    'react-hooks/exhaustive-deps': 'off',
       'import/no-extraneous-dependencies': 'off',
-    'no-restricted-exports': 'off',
-    'react/jsx-no-useless-fragment': 'off',
-    'react/no-unknown-property': 'off',
-    'func-names': 'off',
     },
+  }],
 });
-
-module.exports = config;

.github/workflows/add-remove-label-on-comment.yml

@@ -1,20 +0,0 @@
-# This workflow runs when a comment is made on the ticket
-# If the comment starts with "label: " it tries to apply
-# the label indicated in rest of comment.
-# If the comment starts with "remove label: ", it tries
-# to remove the indicated label.
-# Note: Labels are allowed to have spaces and this script does
-# not parse spaces (as often a space is legitimate), so the command
-# "label: really long lots of words label" will apply the
-# label "really long lots of words label"
-
-name: Allows for the adding and removing of labels via comment
-
-on:
-  issue_comment:
-    types: [created]
-
-jobs:
-  add_remove_labels:
-    uses: openedx/.github/.github/workflows/add-remove-label-on-comment.yml@master
-

.github/workflows/lockfileversion-check.yml

@@ -10,4 +10,4 @@ on:
 
 jobs:
   version-check:
-    uses: openedx/.github/.github/workflows/lockfileversion-check-v3.yml@master
+    uses: openedx/.github/.github/workflows/lockfileversion-check.yml@master

.github/workflows/self-assign-issue.yml

@@ -1,12 +0,0 @@
-# This workflow runs when a comment is made on the ticket
-# If the comment starts with "assign me" it assigns the author to the
-# ticket (case insensitive)
-
-name: Assign comment author to ticket if they say "assign me"
-on:
-  issue_comment:
-    types: [created]
-
-jobs:
-  self_assign_by_comment:
-    uses: openedx/.github/.github/workflows/self-assign-issue.yml@master

.github/workflows/update-browserslist-db.yml

@@ -1,12 +0,0 @@
-name: Update Browserslist DB
-on:
-  schedule:
-    - cron:  '0 0 * * 1'
-  workflow_dispatch:
-
-jobs:
-  update-browserslist:
-    uses: openedx/.github/.github/workflows/update-browserslist-db.yml@master
-
-    secrets:
-        requirements_bot_github_token: ${{ secrets.requirements_bot_github_token }}

.github/workflows/validate.yml

@@ -9,13 +9,14 @@ on:
 jobs:
   tests:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [16]
     steps:
     - uses: actions/checkout@v3
-    - name: Setup Nodejs Env
-      run: echo "NODE_VER=`cat .nvmrc`" >> $GITHUB_ENV
     - uses: actions/setup-node@v3
       with:
-        node-version: ${{ env.NODE_VER }}
+        node-version: ${{ matrix.node }}
     - run: make validate.ci
     - name: Upload coverage
       uses: codecov/codecov-action@v3

.gitignore

@@ -1,8 +1,6 @@
 .DS_Store
 .eslintcache
 .idea
-*.swp
-*.swo
 node_modules
 npm-debug.log
 coverage

.nvmrc

@@ -1 +0,0 @@
-18

Makefile

@@ -1,7 +1,6 @@
 export TRANSIFEX_RESOURCE=frontend-app-learning
-transifex_langs = "ar,fr,es_419,zh_CN,pt,it,de,uk,ru,hi,fa_IR,fr_CA,it_IT,pt_PT,de_DE"
+transifex_langs = "ar,fr,es_419,zh_CN"
 
-intl_imports = ./node_modules/.bin/intl-imports.js
 transifex_utils = ./node_modules/.bin/transifex-utils.js
 i18n = ./src/i18n
 transifex_input = $(i18n)/transifex_input.json
@@ -43,24 +42,9 @@ push_translations:
 	# Pushing comments to Transifex...
 	./node_modules/@edx/reactifex/bash_scripts/put_comments_v3.sh
 
-ifeq ($(OPENEDX_ATLAS_PULL),)
 # Pulls translations from Transifex.
 pull_translations:
 	tx pull -f --mode reviewed --languages=$(transifex_langs)
-else
-# Experimental: OEP-58 Pulls translations using atlas
-pull_translations:
-	rm -rf src/i18n/messages
-	mkdir src/i18n/messages
-	cd src/i18n/messages \
-      && atlas pull --filter=$(transifex_langs) \
-               translations/paragon/src/i18n/messages:paragon \
-               translations/frontend-component-header/src/i18n/messages:frontend-component-header \
-               translations/frontend-component-footer/src/i18n/messages:frontend-component-footer \
-               translations/frontend-app-learning/src/i18n/messages:frontend-app-learning
-
-	$(intl_imports) paragon frontend-component-header frontend-component-footer frontend-app-learning
-endif
 
 # This target is used by Travis.
 validate-no-uncommitted-package-lock-changes:

jest.config.js

@@ -9,12 +9,4 @@ module.exports = createConfig('jest', {
     'src/i18n',
     'src/.*\\.exp\\..*',
   ],
-  // see https://github.com/axios/axios/issues/5026
-  moduleNameMapper: {
-    "^axios$": "axios/dist/axios.js",
-    // See https://stackoverflow.com/questions/72382316/jest-encountered-an-unexpected-token-react-markdown
-    'react-markdown': '<rootDir>/node_modules/react-markdown/react-markdown.min.js',
-  },
-  testTimeout: 30000,
-  testEnvironment: 'jsdom'
 });

package.json

@@ -29,54 +29,51 @@
     "url": "https://github.com/openedx/frontend-app-learning/issues"
   },
   "dependencies": {
-    "@edx/brand": "npm:@edx/brand-openedx@1.2.0",
+    "@edx/brand": "npm:@edx/brand-openedx@1.1.0",
-    "@edx/frontend-component-footer": "12.2.1",
+    "@edx/frontend-component-footer": "^12.0.0",
-    "@edx/frontend-component-header": "4.6.0",
+    "@edx/frontend-component-header": "^4.0.0",
-    "@edx/frontend-lib-learning-assistant": "^1.14.0",
+    "@edx/frontend-lib-special-exams": "^2.16.1",
-    "@edx/frontend-lib-special-exams": "2.23.2",
+    "@edx/frontend-platform": "^4.2.0",
-    "@edx/frontend-platform": "5.5.2",
+    "@edx/paragon": "^20.28.4",
-    "@edx/paragon": "20.46.0",
-    "@edx/react-unit-test-utils": "npm:@edx/react-unit-test-utils@1.7.0",
     "@fortawesome/fontawesome-svg-core": "1.3.0",
     "@fortawesome/free-brands-svg-icons": "5.15.4",
     "@fortawesome/free-regular-svg-icons": "5.15.4",
     "@fortawesome/free-solid-svg-icons": "5.15.4",
-    "@fortawesome/react-fontawesome": "^0.1.4",
+    "@fortawesome/react-fontawesome": "0.1.18",
-    "@popperjs/core": "2.11.8",
+    "@popperjs/core": "2.11.5",
     "@reduxjs/toolkit": "1.8.1",
-    "classnames": "2.3.2",
+    "classnames": "2.3.1",
     "core-js": "3.22.2",
-    "history": "5.3.0",
+    "history": "^5.3.0",
-    "js-cookie": "3.0.5",
+    "js-cookie": "3.0.1",
     "lodash.camelcase": "4.3.0",
     "prop-types": "15.8.1",
-    "query-string": "^7.1.3",
+    "query-string": "^7.1.1",
-    "react": "17.0.2",
+    "react": "16.14.0",
-    "react-dom": "17.0.2",
+    "react-dom": "16.14.0",
     "react-helmet": "6.1.0",
-    "react-redux": "7.2.9",
+    "react-redux": "7.2.8",
-    "react-router": "6.15.0",
+    "react-router": "5.2.1",
-    "react-router-dom": "6.15.0",
+    "react-router-dom": "5.3.0",
-    "react-share": "4.4.1",
+    "react-share": "4.4.0",
     "redux": "4.1.2",
-    "regenerator-runtime": "0.13.11",
+    "regenerator-runtime": "0.13.9",
-    "reselect": "4.1.8",
+    "reselect": "4.1.5",
     "truncate-html": "1.0.4",
-    "util": "0.12.5"
+    "util": "0.12.4"
   },
   "devDependencies": {
-    "@edx/browserslist-config": "1.2.0",
+    "@edx/browserslist-config": "1.0.2",
-    "@edx/frontend-build": "^12.9.10",
+    "@edx/frontend-build": "9.1.4",
-    "@edx/reactifex": "2.2.0",
+    "@edx/reactifex": "2.0.1",
-    "@pact-foundation/pact": "^11.0.2",
+    "@pact-foundation/pact": "9.17.3",
-    "@testing-library/jest-dom": "5.16.5",
+    "@testing-library/jest-dom": "5.16.4",
     "@testing-library/react": "12.1.5",
     "@testing-library/user-event": "13.5.0",
     "axios-mock-adapter": "1.20.0",
-    "copy-webpack-plugin": "^11.0.0",
     "es-check": "6.2.1",
     "husky": "7.0.4",
-    "jest": "29.5.0",
+    "jest": "27.5.1",
     "rosie": "2.1.0"
   }
 }

src/alerts/access-expiration-alert/AccessExpirationAlert.jsx

@@ -1,3 +1,4 @@
+import React, { useState } from 'react';
 import PropTypes from 'prop-types';
 import { sendTrackEvent } from '@edx/frontend-platform/analytics';
 import {
@@ -7,8 +8,18 @@ import { Alert, Hyperlink } from '@edx/paragon';
 import { Info } from '@edx/paragon/icons';
 
 import messages from './messages';
+import AccessExpirationAlertMMP2P from './AccessExpirationAlertMMP2P';
+
+function AccessExpirationAlert({ intl, payload }) {
+  /** [MM-P2P] Experiment */
+  const [showMMP2P, setShowMMP2P] = useState(!!window.experiment__home_alert_bShowMMP2P);
+  if (window.experiment__home_alert_showMMP2P === undefined) {
+    window.experiment__home_alert_showMMP2P = (val) => {
+      window.experiment__home_alert_bShowMMP2P = !!val;
+      setShowMMP2P(!!val);
+    };
+  }
 
-const AccessExpirationAlert = ({ intl, payload }) => {
   const {
     accessExpiration,
     courseId,
@@ -28,6 +39,13 @@ const AccessExpirationAlert = ({ intl, payload }) => {
     upgradeUrl,
   } = accessExpiration;
 
+  /** [MM-P2P] Experiment */
+  if (showMMP2P) {
+    return (
+      <AccessExpirationAlertMMP2P payload={payload} />
+    );
+  }
+
   const logClick = () => {
     sendTrackEvent('edx.bi.ecommerce.upsell_links_clicked', {
       org_key: org,
@@ -116,7 +134,7 @@ const AccessExpirationAlert = ({ intl, payload }) => {
       {deadlineMessage}
     </Alert>
   );
-};
+}
 
 AccessExpirationAlert.propTypes = {
   intl: intlShape.isRequired,

src/alerts/access-expiration-alert/AccessExpirationAlertMMP2P.jsx

@@ -0,0 +1,80 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { FormattedDate, injectIntl } from '@edx/frontend-platform/i18n';
+import { Alert, Hyperlink } from '@edx/paragon';
+import { Info } from '@edx/paragon/icons';
+
+import messages from './messages';
+
+function AccessExpirationAlertMMP2P({ payload }) {
+  const {
+    accessExpiration,
+    userTimezone,
+  } = payload;
+  const timezoneFormatArgs = userTimezone ? { timeZone: userTimezone } : {};
+
+  if (!accessExpiration) {
+    return null;
+  }
+
+  const {
+    expirationDate,
+    upgradeDeadline,
+    upgradeUrl,
+  } = accessExpiration;
+
+  let deadlineMessage = null;
+  const formatDate = (val, key) => (
+    <FormattedDate
+      key={`accessExpiration.${key}`}
+      day="numeric"
+      month="short"
+      year="numeric"
+      value={val}
+      {...timezoneFormatArgs}
+    />
+  );
+
+  if (upgradeDeadline && upgradeUrl) {
+    deadlineMessage = (
+      <>
+        Upgrade by {formatDate(upgradeDeadline, 'upgradeDesc')} to unlock unlimited access to all course activities, including graded assignments.
+        &nbsp;
+        <Hyperlink
+          className="font-weight-bold"
+          style={{ textDecoration: 'underline' }}
+          destination={upgradeUrl}
+        >
+          {messages.upgradeNow.defaultMessage}
+        </Hyperlink>
+      </>
+    );
+  }
+
+  return (
+    <Alert variant="info" icon={Info}>
+      <span className="font-weight-bold">
+        Unlock full course content by {formatDate(upgradeDeadline, 'upgradeTitle')}
+      </span>
+      <br />
+      {deadlineMessage}
+      <br />
+      You lose all access to the first two weeks of scheduled content
+      on {formatDate(expirationDate, 'expirationBody')}.
+    </Alert>
+  );
+}
+
+AccessExpirationAlertMMP2P.propTypes = {
+  payload: PropTypes.shape({
+    accessExpiration: PropTypes.shape({
+      expirationDate: PropTypes.string.isRequired,
+      masqueradingExpiredCourse: PropTypes.bool.isRequired,
+      upgradeDeadline: PropTypes.string,
+      upgradeUrl: PropTypes.string,
+    }).isRequired,
+    userTimezone: PropTypes.string.isRequired,
+  }).isRequired,
+};
+
+export default injectIntl(AccessExpirationAlertMMP2P);

src/alerts/access-expiration-alert/AccessExpirationMasqueradeBanner.jsx

@@ -3,7 +3,7 @@ import PropTypes from 'prop-types';
 import { FormattedMessage, FormattedDate } from '@edx/frontend-platform/i18n';
 import { PageBanner } from '@edx/paragon';
 
-const AccessExpirationMasqueradeBanner = ({ payload }) => {
+function AccessExpirationMasqueradeBanner({ payload }) {
   const {
     expirationDate,
     userTimezone,
@@ -27,7 +27,7 @@ const AccessExpirationMasqueradeBanner = ({ payload }) => {
       />
     </PageBanner>
   );
-};
+}
 
 AccessExpirationMasqueradeBanner.propTypes = {
   payload: PropTypes.shape({

src/alerts/access-expiration-alert/hooks.js

@@ -7,17 +7,17 @@ const AccessExpirationMasqueradeBanner = React.lazy(() => import('./AccessExpira
 
 function useAccessExpirationAlert(accessExpiration, courseId, org, userTimezone, topic, analyticsPageName) {
   const isVisible = accessExpiration && !accessExpiration.masqueradingExpiredCourse; // If it exists, show it.
-  const payload = useMemo(() => ({
+  const payload = {
     accessExpiration,
     courseId,
     org,
     userTimezone,
     analyticsPageName,
-  }), [accessExpiration, analyticsPageName, courseId, org, userTimezone]);
+  };
 
   useAlert(isVisible, {
     code: 'clientAccessExpirationAlert',
-    payload,
+    payload: useMemo(() => payload, Object.values(payload).sort()),
     topic,
   });
 
@@ -34,14 +34,14 @@ export function useAccessExpirationMasqueradeBanner(courseId, tab) {
 
   const isVisible = accessExpiration && accessExpiration.masqueradingExpiredCourse;
   const expirationDate = accessExpiration && accessExpiration.expirationDate;
-  const payload = useMemo(() => ({
+  const payload = {
     expirationDate,
     userTimezone,
-  }), [expirationDate, userTimezone]);
+  };
 
   useAlert(isVisible, {
     code: 'clientAccessExpirationMasqueradeBanner',
-    payload,
+    payload: useMemo(() => payload, Object.values(payload).sort()),
     topic: 'instructor-toolbar-alerts',
   });
 

src/alerts/active-enteprise-alert/ActiveEnterpriseAlert.jsx

@@ -7,7 +7,7 @@ import { WarningFilled } from '@edx/paragon/icons';
 import { getConfig } from '@edx/frontend-platform';
 import genericMessages from './messages';
 
-const ActiveEnterpriseAlert = ({ intl, payload }) => {
+function ActiveEnterpriseAlert({ intl, payload }) {
   const { text, courseId } = payload;
   const changeActiveEnterprise = (
     <Hyperlink
@@ -35,7 +35,7 @@ const ActiveEnterpriseAlert = ({ intl, payload }) => {
       />
     </Alert>
   );
-};
+}
 
 ActiveEnterpriseAlert.propTypes = {
   intl: intlShape.isRequired,

src/alerts/active-enteprise-alert/ActiveEnterpriseAlert.test.jsx

@@ -20,6 +20,8 @@ describe('ActiveEnterpriseAlert', () => {
     render(<ActiveEnterpriseAlert {...mockData} />);
     expect(screen.getByRole('alert')).toBeInTheDocument();
     expect(screen.getByText('test message', { exact: false })).toBeInTheDocument();
-    expect(screen.getByRole('link', { name: 'change enterprise now' })).toHaveAttribute('href', `${getConfig().LMS_BASE_URL}/enterprise/select/active/?success_url=http%3A%2F%2Flocalhost%2Fcourse%2Ftest-course-id%2Fhome`);
+    expect(screen.getByRole('link', { name: 'change enterprise now' })).toHaveAttribute(
+      'href', `${getConfig().LMS_BASE_URL}/enterprise/select/active/?success_url=http%3A%2F%2Flocalhost%2Fcourse%2Ftest-course-id%2Fhome`,
+    );
   });
 });

src/alerts/active-enteprise-alert/hooks.js

@@ -12,16 +12,16 @@ export default function useActiveEnterpriseAlert(courseId) {
    */
   const isVisible = courseAccess && !courseAccess.hasAccess && courseAccess.errorCode === 'incorrect_active_enterprise';
 
-  const payload = useMemo(() => ({
+  const payload = {
     text: courseAccess && courseAccess.userMessage,
     courseId,
-  }), [courseAccess, courseId]);
+  };
   useAlert(isVisible, {
     code: 'clientActiveEnterpriseAlert',
     topic: 'outline',
     dismissible: false,
     type: ALERT_TYPES.ERROR,
-    payload,
+    payload: useMemo(() => payload, Object.values(payload).sort()),
   });
 
   return { clientActiveEnterpriseAlert: ActiveEnterpriseAlert };

src/alerts/course-start-alert/CourseStartAlert.jsx

@@ -15,7 +15,7 @@ const DAY_SEC = 24 * 60 * 60; // in seconds
 const DAY_MS = DAY_SEC * 1000; // in ms
 const YEAR_SEC = 365 * DAY_SEC; // in seconds
 
-const CourseStartAlert = ({ payload }) => {
+function CourseStartAlert({ payload }) {
   const {
     courseId,
   } = payload;
@@ -38,6 +38,7 @@ const CourseStartAlert = ({ payload }) => {
       {...timezoneFormatArgs}
     />
   );
+
   if (delta < DAY_MS) {
     return (
       <Alert variant="info" icon={Info}>
@@ -68,7 +69,7 @@ const CourseStartAlert = ({ payload }) => {
     <Alert variant="info" icon={Info}>
       <strong>
         <FormattedMessage
-          id="learning.outline.alert.start.long"
+          id="learning.outline.alert.end.long"
           defaultMessage="Course starts {timeRemaining} on {courseStartDate}."
           description="Used when the time remaining is more than a day away."
           values={{
@@ -88,13 +89,13 @@ const CourseStartAlert = ({ payload }) => {
       </strong>
       <br />
       <FormattedMessage
-        id="learning.outline.alert.start.calendar"
+        id="learning.outline.alert.end.calendar"
         defaultMessage="Don’t forget to add a calendar reminder!"
         description="It's just a recommendation for learners to set a reminder for the course starting date and is shown when the course starting date is more than a day. "
       />
     </Alert>
   );
-};
+}
 
 CourseStartAlert.propTypes = {
   payload: PropTypes.shape({

src/alerts/course-start-alert/CourseStartMasqueradeBanner.jsx

@@ -5,7 +5,7 @@ import { PageBanner } from '@edx/paragon';
 
 import { useModel } from '../../generic/model-store';
 
-const CourseStartMasqueradeBanner = ({ payload }) => {
+function CourseStartMasqueradeBanner({ payload }) {
   const {
     courseId,
   } = payload;
@@ -33,7 +33,7 @@ const CourseStartMasqueradeBanner = ({ payload }) => {
       />
     </PageBanner>
   );
-};
+}
 
 CourseStartMasqueradeBanner.propTypes = {
   payload: PropTypes.shape({

src/alerts/course-start-alert/hooks.js

@@ -5,7 +5,7 @@ import { useModel } from '../../generic/model-store';
 const CourseStartAlert = React.lazy(() => import('./CourseStartAlert'));
 const CourseStartMasqueradeBanner = React.lazy(() => import('./CourseStartMasqueradeBanner'));
 
-function IsStartDateInFuture(courseId) {
+function isStartDateInFuture(courseId) {
   const {
     start,
   } = useModel('courseHomeMeta', courseId);
@@ -20,15 +20,15 @@ function useCourseStartAlert(courseId) {
     isEnrolled,
   } = useModel('courseHomeMeta', courseId);
 
-  const isVisible = isEnrolled && IsStartDateInFuture(courseId);
+  const isVisible = isEnrolled && isStartDateInFuture(courseId);
 
-  const payload = useMemo(() => ({
+  const payload = {
     courseId,
-  }), [courseId]);
+  };
 
   useAlert(isVisible, {
     code: 'clientCourseStartAlert',
-    payload,
+    payload: useMemo(() => payload, Object.values(payload).sort()),
     topic: 'outline-course-alerts',
   });
 
@@ -42,15 +42,15 @@ export function useCourseStartMasqueradeBanner(courseId, tab) {
     isMasquerading,
   } = useModel('courseHomeMeta', courseId);
 
-  const isVisible = isMasquerading && tab === 'progress' && IsStartDateInFuture(courseId);
+  const isVisible = isMasquerading && tab === 'progress' && isStartDateInFuture(courseId);
 
-  const payload = useMemo(() => ({
+  const payload = {
     courseId,
-  }), [courseId]);
+  };
 
   useAlert(isVisible, {
     code: 'clientCourseStartMasqueradeBanner',
-    payload,
+    payload: useMemo(() => payload, Object.values(payload).sort()),
     topic: 'instructor-toolbar-alerts',
   });
 

src/alerts/enrollment-alert/EnrollmentAlert.jsx

@@ -11,7 +11,7 @@ import { useModel } from '../../generic/model-store';
 import messages from './messages';
 import useEnrollClickHandler from './clickHook';
 
-const EnrollmentAlert = ({ intl, payload }) => {
+function EnrollmentAlert({ intl, payload }) {
   const {
     canEnroll,
     courseId,
@@ -55,7 +55,7 @@ const EnrollmentAlert = ({ intl, payload }) => {
       </div>
     </Alert>
   );
-};
+}
 
 EnrollmentAlert.propTypes = {
   intl: intlShape.isRequired,

src/alerts/enrollment-alert/clickHook.js

@@ -27,7 +27,7 @@ function useEnrollClickHandler(courseId, orgId, successText) {
       });
       global.location.reload();
     });
-  }, [addFlash, courseId, orgId, successText]);
+  }, [courseId]);
 
   return { enrollClickHandler, loading };
 }

src/alerts/enrollment-alert/hooks.js

@@ -22,16 +22,16 @@ export function useEnrollmentAlert(courseId) {
    *    3. the course is private.
    */
   const isVisible = !enrolledUser && authenticatedUser !== null && privateOutline;
-  const payload = useMemo(() => ({
+  const payload = {
     canEnroll: outline && outline.enrollAlert ? outline.enrollAlert.canEnroll : false,
     courseId,
     extraText: outline && outline.enrollAlert ? outline.enrollAlert.extraText : '',
     isStaff: course && course.isStaff,
-  }), [course, courseId, outline]);
+  };
 
   useAlert(isVisible, {
     code: 'clientEnrollmentAlert',
-    payload,
+    payload: useMemo(() => payload, Object.values(payload).sort()),
     topic: 'outline',
   });
 

src/alerts/logistration-alert/AccountActivationAlert.jsx

@@ -13,9 +13,9 @@ import { FormattedMessage, injectIntl, intlShape } from '@edx/frontend-platform/
 import { sendActivationEmail } from '../../courseware/data';
 import messages from './messages';
 
-const AccountActivationAlert = ({
+function AccountActivationAlert({
   intl,
-}) => {
+}) {
   const [showModal, setShowModal] = useState(false);
   const [showSpinner, setShowSpinner] = useState(false);
   const [showCheck, setShowCheck] = useState(false);
@@ -123,7 +123,7 @@ const AccountActivationAlert = ({
       {children()}
     </AlertModal>
   );
-};
+}
 
 AccountActivationAlert.propTypes = {
   intl: intlShape.isRequired,

src/alerts/logistration-alert/LogistrationAlert.jsx

@@ -7,7 +7,7 @@ import { WarningFilled } from '@edx/paragon/icons';
 
 import genericMessages from '../../generic/messages';
 
-const LogistrationAlert = ({ intl }) => {
+function LogistrationAlert({ intl }) {
   const signIn = (
     <Hyperlink
       style={{ textDecoration: 'underline' }}
@@ -41,7 +41,7 @@ const LogistrationAlert = ({ intl }) => {
       />
     </Alert>
   );
-};
+}
 
 LogistrationAlert.propTypes = {
   intl: intlShape.isRequired,

src/alerts/sequence-alerts/hooks.js

@@ -35,8 +35,7 @@ function useSequenceEntranceExamAlert(courseId, sequenceId, intl) {
 
   if (entranceExamPassed) {
     entranceExamText = intl.formatMessage(
-      messages.entranceExamTextPassed,
+      messages.entranceExamTextPassed, { entranceExamCurrentScore: entranceExamCurrentScore * 100 },
-      { entranceExamCurrentScore: entranceExamCurrentScore * 100 },
     );
   } else {
     entranceExamText = intl.formatMessage(messages.entranceExamTextNotPassing, {

src/constants.js

@@ -1,33 +0,0 @@
-export const DECODE_ROUTES = {
-  ACCESS_DENIED: '/course/:courseId/access-denied',
-  HOME: '/course/:courseId/home',
-  LIVE: '/course/:courseId/live',
-  DATES: '/course/:courseId/dates',
-  DISCUSSION: '/course/:courseId/discussion/:path/*',
-  PROGRESS: [
-    '/course/:courseId/progress/:targetUserId/',
-    '/course/:courseId/progress',
-  ],
-  COURSE_END: '/course/:courseId/course-end',
-  COURSEWARE: [
-    '/course/:courseId/:sequenceId/:unitId',
-    '/course/:courseId/:sequenceId',
-    '/course/:courseId',
-  ],
-  REDIRECT_HOME: 'home/:courseId',
-  REDIRECT_SURVEY: 'survey/:courseId',
-};
-
-export const ROUTES = {
-  UNSUBSCRIBE: '/goal-unsubscribe/:token',
-  REDIRECT: '/redirect/*',
-  DASHBOARD: 'dashboard',
-  CONSENT: 'consent',
-};
-
-export const REDIRECT_MODES = {
-  DASHBOARD_REDIRECT: 'dashboard-redirect',
-  CONSENT_REDIRECT: 'consent-redirect',
-  HOME_REDIRECT: 'home-redirect',
-  SURVEY_REDIRECT: 'survey-redirect',
-};

src/course-home/data/__factories__/courseHomeMetadata.factory.js

@@ -34,7 +34,8 @@ Factory.define('courseHomeMetadata')
       currency_symbol: '$',
     },
   })
-  .attr('tabs', ['id', 'host'], (id, host) => [
+  .attr(
+    'tabs', ['id', 'host'], (id, host) => [
       Factory.build(
         'tab',
         {
@@ -119,4 +120,5 @@ Factory.define('courseHomeMetadata')
           path: 'dates',
         },
       ),
-  ]);
+    ],
+  );

src/course-home/data/__factories__/outlineTabData.factory.js

@@ -28,7 +28,6 @@ Factory.define('outlineTabData')
     upgrade_url: `${host}/dashboard`,
   }))
   .attrs({
-    course_access_redirect: false,
     has_scheduled_content: null,
     access_expiration: null,
     can_show_upgrade_sock: false,

src/course-home/data/__snapshots__/redux.test.js.snap

@@ -18,9 +18,6 @@ Object {
     "sequenceMightBeUnit": false,
     "sequenceStatus": "loading",
   },
-  "learningAssistant": ObjectContaining {
-    "conversationId": Any<String>,
-  },
   "models": Object {
     "courseHomeMeta": Object {
       "course-v1:edX+DemoX+Demo_Course": Object {
@@ -339,9 +336,6 @@ Object {
     "sequenceMightBeUnit": false,
     "sequenceStatus": "loading",
   },
-  "learningAssistant": ObjectContaining {
-    "conversationId": Any<String>,
-  },
   "models": Object {
     "courseHomeMeta": Object {
       "course-v1:edX+DemoX+Demo_Course": Object {
@@ -538,9 +532,6 @@ Object {
     "sequenceMightBeUnit": false,
     "sequenceStatus": "loading",
   },
-  "learningAssistant": ObjectContaining {
-    "conversationId": Any<String>,
-  },
   "models": Object {
     "courseHomeMeta": Object {
       "course-v1:edX+DemoX+Demo_Course": Object {

src/course-home/data/api.js

@@ -204,18 +204,12 @@ export async function getDatesTabData(courseId) {
     const { data } = await getAuthenticatedHttpClient().get(url);
     return camelCaseObject(data);
   } catch (error) {
-    const httpErrorStatus = error?.response?.status;
+    const { httpErrorStatus } = error && error.customAttributes;
     if (httpErrorStatus === 401) {
       // The backend sends this for unenrolled and unauthenticated learners, but we handle those cases by examining
       // courseAccess in the metadata call, so just ignore this status for now.
       return {};
     }
-    if (httpErrorStatus === 403) {
-      // The backend sends this if there is a course access error and the user should be redirected. The redirect
-      // info is included in the course metadata request and will be handled there as long as this call returns
-      // without an error
-      return {};
-    }
     throw error;
   }
 }
@@ -265,7 +259,7 @@ export async function getProgressTabData(courseId, targetUserId) {
 
     return camelCasedData;
   } catch (error) {
-    const httpErrorStatus = error?.response?.status;
+    const { httpErrorStatus } = error && error.customAttributes;
     if (httpErrorStatus === 404) {
       global.location.replace(`${getConfig().LMS_BASE_URL}/courses/${courseId}/progress`);
       return {};
@@ -275,12 +269,6 @@ export async function getProgressTabData(courseId, targetUserId) {
       // courseAccess in the metadata call, so just ignore this status for now.
       return {};
     }
-    if (httpErrorStatus === 403) {
-      // The backend sends this if there is a course access error and the user should be redirected. The redirect
-      // info is included in the course metadata request and will be handled there as long as this call returns
-      // without an error
-      return {};
-    }
     throw error;
   }
 }
@@ -334,20 +322,7 @@ export function getTimeOffsetMillis(headerDate, requestTime, responseTime) {
 export async function getOutlineTabData(courseId) {
   const url = `${getConfig().LMS_BASE_URL}/api/course_home/outline/${courseId}`;
   const requestTime = Date.now();
-  let tabData;
+  const tabData = await getAuthenticatedHttpClient().get(url);
-  try {
-    tabData = await getAuthenticatedHttpClient().get(url);
-  } catch (error) {
-    const httpErrorStatus = error?.response?.status;
-    if (httpErrorStatus === 403) {
-      // The backend sends this if there is a course access error and the user should be redirected. The redirect
-      // info is included in the course metadata request and will be handled there as long as this call returns
-      // without an error
-      return {};
-    }
-    throw error;
-  }
-
   const responseTime = Date.now();
 
   const {
@@ -374,7 +349,7 @@ export async function getOutlineTabData(courseId) {
   const timeOffsetMillis = getTimeOffsetMillis(headers && headers.date, requestTime, responseTime);
   const userHasPassingGrade = data.user_has_passing_grade;
   const verifiedMode = camelCaseObject(data.verified_mode);
-  const welcomeMessageHtml = data.welcome_message_html || '';
+  const welcomeMessageHtml = data.welcome_message_html;
 
   return {
     accessExpiration,

src/course-home/data/pact-tests/lmsPact.test.jsx

@@ -1,6 +1,6 @@
+import { Pact, Matchers } from '@pact-foundation/pact';
 import path from 'path';
 import { mergeConfig, getConfig } from '@edx/frontend-platform';
-import { PactV3, MatchersV3 } from '@pact-foundation/pact';
 
 import {
   getCourseHomeCourseMetadata,
@@ -14,8 +14,8 @@ import {
 
 const {
   somethingLike: like, term, boolean, string, eachLike,
-} = MatchersV3;
+} = Matchers;
-const provider = new PactV3({
+const provider = new Pact({
   consumer: 'frontend-app-learning',
   provider: 'lms',
   log: path.resolve(process.cwd(), 'src/course-home/data/pact-tests/logs', 'pact.log'),
@@ -28,15 +28,18 @@ const provider = new PactV3({
 describe('Course Home Service', () => {
   beforeAll(async () => {
     initializeMockApp();
-    mergeConfig({
+    await provider
-      LMS_BASE_URL: 'http://localhost:8081',
+      .setup()
-    }, 'Custom app config for pact tests');
+      .then((options) => mergeConfig({
+        LMS_BASE_URL: `http://localhost:${options.port}`,
+      }, 'Custom app config for pact tests'));
   });
 
+  afterEach(() => provider.verify());
+  afterAll(() => provider.finalize());
   describe('When a request to fetch tab is made', () => {
     it('returns tab data for a course_id', async () => {
-      setTimeout(() => {
+      await provider.addInteraction({
-        provider.addInteraction({
         state: `Tab data exists for course_id ${courseId}`,
         uponReceiving: 'a request to fetch tab',
         withRequest: {
@@ -134,17 +137,15 @@ describe('Course Home Service', () => {
         title: 'Demonstration Course',
         username: 'edx',
       };
-        const response = getCourseHomeCourseMetadata(courseId, 'outline');
+      const response = await getCourseHomeCourseMetadata(courseId, 'outline');
       expect(response).toBeTruthy();
       expect(response).toEqual(normalizedTabData);
-      }, 100);
     });
   });
 
   describe('When a request to fetch dates tab is made', () => {
     it('returns course date blocks for a course_id', async () => {
-      setTimeout(() => {
+      await provider.addInteraction({
-        provider.addInteraction({
         state: `course date blocks exist for course_id ${courseId}`,
         uponReceiving: 'a request to fetch dates tab',
         withRequest: {
@@ -211,10 +212,10 @@ describe('Course Home Service', () => {
         learnerIsFullAccess: true,
         userTimezone: null,
       };
-        const response = getDatesTabData(courseId);
+
+      const response = await getDatesTabData(courseId);
       expect(response).toBeTruthy();
       expect(response).toEqual(camelCaseResponse);
-      }, 100);
     });
   });
 });

src/course-home/data/redux.test.js

@@ -21,18 +21,6 @@ describe('Data layer integration tests', () => {
   let courseMetadataUrl = `${getConfig().LMS_BASE_URL}/api/course_home/course_metadata/${courseId}`;
   courseMetadataUrl = appendBrowserTimezoneToUrl(courseMetadataUrl);
 
-  const courseHomeAccessDeniedMetadata = Factory.build(
-    'courseHomeMetadata',
-    {
-      id: courseId,
-      course_access: {
-        has_access: false,
-        error_code: 'bad codes',
-        additional_context_user_message: 'your Codes Are BAD',
-      },
-    },
-  );
-
   let store;
 
   beforeEach(() => {
@@ -67,40 +55,16 @@ describe('Data layer integration tests', () => {
 
       const state = store.getState();
       expect(state.courseHome.courseStatus).toEqual('loaded');
-      expect(state).toMatchSnapshot({
+      expect(state).toMatchSnapshot();
-        // The Xpert chatbot (frontend-lib-learning-assistant) generates a unique UUID
-        // to keep track of conversations. This causes snapshots to fail, because this UUID
-        // is generated on each run of the snapshot. Instead, we use an asymmetric matcher here.
-        learningAssistant: expect.objectContaining({
-          conversationId: expect.any(String),
-        }),
     });
   });
 
-    it.each([401, 403, 404])(
-      'should result in fetch denied for expected errors and failed for all others',
-      async (errorStatus) => {
-        axiosMock.onGet(courseMetadataUrl).reply(200, courseHomeAccessDeniedMetadata);
-        axiosMock.onGet(`${datesBaseUrl}/${courseId}`).reply(errorStatus, {});
-
-        await executeThunk(thunks.fetchDatesTab(courseId), store.dispatch);
-
-        let expectedState = 'failed';
-        if (errorStatus === 401 || errorStatus === 403) {
-          expectedState = 'denied';
-        }
-        expect(store.getState().courseHome.courseStatus).toEqual(expectedState);
-      },
-    );
-  });
-
   describe('Test fetchOutlineTab', () => {
     const outlineBaseUrl = `${getConfig().LMS_BASE_URL}/api/course_home/outline`;
-    const outlineUrl = `${outlineBaseUrl}/${courseId}`;
 
     it('Should result in fetch failure if error occurs', async () => {
       axiosMock.onGet(courseMetadataUrl).networkError();
-      axiosMock.onGet(outlineUrl).networkError();
+      axiosMock.onGet(`${outlineBaseUrl}/${courseId}`).networkError();
 
       await executeThunk(thunks.fetchOutlineTab(courseId), store.dispatch);
 
@@ -111,6 +75,8 @@ describe('Data layer integration tests', () => {
     it('Should fetch, normalize, and save metadata', async () => {
       const outlineTabData = Factory.build('outlineTabData', { courseId });
 
+      const outlineUrl = `${outlineBaseUrl}/${courseId}`;
+
       axiosMock.onGet(courseMetadataUrl).reply(200, courseHomeMetadata);
       axiosMock.onGet(outlineUrl).reply(200, outlineTabData);
 
@@ -118,33 +84,10 @@ describe('Data layer integration tests', () => {
 
       const state = store.getState();
       expect(state.courseHome.courseStatus).toEqual('loaded');
-      expect(state).toMatchSnapshot({
+      expect(state).toMatchSnapshot();
-        // The Xpert chatbot (frontend-lib-learning-assistant) generates a unique UUID
-        // to keep track of conversations. This causes snapshots to fail, because this UUID
-        // is generated on each run of the snapshot. Instead, we use an asymmetric matcher here.
-        learningAssistant: expect.objectContaining({
-          conversationId: expect.any(String),
-        }),
     });
   });
 
-    it.each([401, 403, 404])(
-      'should result in fetch denied for expected errors and failed for all others',
-      async (errorStatus) => {
-        axiosMock.onGet(courseMetadataUrl).reply(200, courseHomeAccessDeniedMetadata);
-        axiosMock.onGet(outlineUrl).reply(errorStatus, {});
-
-        await executeThunk(thunks.fetchOutlineTab(courseId), store.dispatch);
-
-        let expectedState = 'failed';
-        if (errorStatus === 403) {
-          expectedState = 'denied';
-        }
-        expect(store.getState().courseHome.courseStatus).toEqual(expectedState);
-      },
-    );
-  });
-
   describe('Test fetchProgressTab', () => {
     const progressBaseUrl = `${getConfig().LMS_BASE_URL}/api/course_home/progress`;
 
@@ -170,14 +113,7 @@ describe('Data layer integration tests', () => {
 
       const state = store.getState();
       expect(state.courseHome.courseStatus).toEqual('loaded');
-      expect(state).toMatchSnapshot({
+      expect(state).toMatchSnapshot();
-        // The Xpert chatbot (frontend-lib-learning-assistant) generates a unique UUID
-        // to keep track of conversations. This causes snapshots to fail, because this UUID
-        // is generated on each run of the snapshot. Instead, we use an asymmetric matcher here.
-        learningAssistant: expect.objectContaining({
-          conversationId: expect.any(String),
-        }),
-      });
     });
 
     it('Should handle the url including a targetUserId', async () => {
@@ -193,19 +129,6 @@ describe('Data layer integration tests', () => {
       const state = store.getState();
       expect(state.courseHome.targetUserId).toEqual(2);
     });
-
-    it.each([401, 403, 404])(
-      'should result in fetch denied for expected errors and failed for all others',
-      async (errorStatus) => {
-        const progressUrl = `${progressBaseUrl}/${courseId}`;
-        axiosMock.onGet(courseMetadataUrl).reply(200, courseHomeAccessDeniedMetadata);
-        axiosMock.onGet(progressUrl).reply(errorStatus, {});
-
-        await executeThunk(thunks.fetchProgressTab(courseId), store.dispatch);
-
-        expect(store.getState().courseHome.courseStatus).toEqual('denied');
-      },
-    );
   });
 
   describe('Test saveCourseGoal', () => {

src/course-home/dates-tab/DatesTab.jsx

@@ -9,12 +9,14 @@ import Timeline from './timeline/Timeline';
 import { fetchDatesTab } from '../data';
 import { useModel } from '../../generic/model-store';
 
+/** [MM-P2P] Experiment */
+import { initDatesMMP2P } from '../../experiments/mm-p2p';
 import SuggestedScheduleHeader from '../suggested-schedule-messaging/SuggestedScheduleHeader';
 import ShiftDatesAlert from '../suggested-schedule-messaging/ShiftDatesAlert';
 import UpgradeToCompleteAlert from '../suggested-schedule-messaging/UpgradeToCompleteAlert';
 import UpgradeToShiftDatesAlert from '../suggested-schedule-messaging/UpgradeToShiftDatesAlert';
 
-const DatesTab = ({ intl }) => {
+function DatesTab({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -28,6 +30,9 @@ const DatesTab = ({ intl }) => {
     courseDateBlocks,
   } = useModel('dates', courseId);
 
+  /** [MM-P2P] Experiment */
+  const mmp2p = initDatesMMP2P(courseId);
+
   const hasDeadlines = courseDateBlocks && courseDateBlocks.some(x => x.dateType === 'assignment-due-date');
 
   const logUpgradeLinkClick = () => {
@@ -46,7 +51,8 @@ const DatesTab = ({ intl }) => {
       <div role="heading" aria-level="1" className="h2 my-3">
         {intl.formatMessage(messages.title)}
       </div>
-      {isSelfPaced && hasDeadlines && (
+      { /** [MM-P2P] Experiment */ }
+      {isSelfPaced && hasDeadlines && !mmp2p.state.isEnabled && (
         <>
           <ShiftDatesAlert model="dates" fetch={fetchDatesTab} />
           <SuggestedScheduleHeader />
@@ -54,10 +60,10 @@ const DatesTab = ({ intl }) => {
           <UpgradeToShiftDatesAlert logUpgradeLinkClick={logUpgradeLinkClick} model="dates" />
         </>
       )}
-      <Timeline />
+      <Timeline mmp2p={mmp2p} />
     </>
   );
-};
+}
 
 DatesTab.propTypes = {
   intl: intlShape.isRequired,

src/course-home/dates-tab/DatesTab.test.jsx

@@ -1,5 +1,5 @@
 import React from 'react';
-import { Routes, Route } from 'react-router-dom';
+import { Route } from 'react-router';
 import MockAdapter from 'axios-mock-adapter';
 import { Factory } from 'rosie';
 import { getConfig, history } from '@edx/frontend-platform';
@@ -32,16 +32,11 @@ describe('DatesTab', () => {
     component = (
       <AppProvider store={store}>
         <UserMessagesProvider>
-          <Routes>
+          <Route path="/course/:courseId/dates">
-            <Route
-              path="/course/:courseId/dates"
-              element={(
             <TabContainer tab="dates" fetch={fetchDatesTab} slice="courseHome">
               <DatesTab />
             </TabContainer>
-              )}
+          </Route>
-            />
-          </Routes>
         </UserMessagesProvider>
       </AppProvider>
     );

src/course-home/dates-tab/timeline/Day.jsx

@@ -17,13 +17,15 @@ import { useModel } from '../../../generic/model-store';
 import { getBadgeListAndColor } from './badgelist';
 import { isLearnerAssignment } from '../utils';
 
-const Day = ({
+function Day({
   date,
   first,
   intl,
   items,
   last,
-}) => {
+  /** [MM-P2P] Example */
+  mmp2p,
+}) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -35,6 +37,11 @@ const Day = ({
 
   const { color, badges } = getBadgeListAndColor(date, intl, null, items);
 
+  /** [MM-P2P] Experiment */
+  const mmp2pOverride = (
+    mmp2p.state.isEnabled
+    && items.some((item) => item.dateType === 'verified-upgrade-deadline')
+  );
   return (
     <li className="dates-day pb-4" data-testid="dates-day">
       {/* Top Line */}
@@ -50,7 +57,8 @@ const Day = ({
       <div className="d-inline-block ml-3 pl-2">
         <div className="row w-100 m-0 mb-1 align-items-center text-primary-700" data-testid="dates-header">
           <FormattedDate
-            value={date}
+            /** [MM-P2P] Experiment */
+            value={mmp2pOverride ? mmp2p.state.upgradeDeadline : date}
             day="numeric"
             month="short"
             weekday="short"
@@ -60,7 +68,10 @@ const Day = ({
           {badges}
         </div>
         {items.map((item) => {
-          const { badges: itemBadges } = getBadgeListAndColor(date, intl, item, items);
+          /** [MM-P2P] Experiment (conditional) */
+          const { badges: itemBadges } = mmp2pOverride
+            ? getBadgeListAndColor(new Date(mmp2p.state.upgradeDeadline), intl, item, items)
+            : getBadgeListAndColor(date, intl, item, items);
 
           const showDueDateTime = item.dateType === 'assignment-due-date';
           const showLink = item.link && isLearnerAssignment(item);
@@ -96,14 +107,22 @@ const Day = ({
                   </OverlayTrigger>
                 )}
               </div>
-              {item.description && <div className="small mb-2">{item.description}</div>}
+              { /** [MM-P2P] Experiment (conditional) */ }
+              { mmp2pOverride
+                ? (
+                  <div className="small mb-2">
+                    You are still eligible to upgrade to a Verified Certificate!
+                    &nbsp; Unlock full course access and highlight the knowledge you&apos;ll gain.
+                  </div>
+                )
+                : (item.description && <div className="small mb-2">{item.description}</div>)}
             </div>
           );
         })}
       </div>
     </li>
   );
-};
+}
 
 Day.propTypes = {
   date: PropTypes.objectOf(Date).isRequired,
@@ -119,11 +138,25 @@ Day.propTypes = {
     title: PropTypes.string,
   })).isRequired,
   last: PropTypes.bool,
+  /** [MM-P2P] Experiment */
+  mmp2p: PropTypes.shape({
+    state: PropTypes.shape({
+      isEnabled: PropTypes.bool.isRequired,
+      upgradeDeadline: PropTypes.string,
+    }),
+  }),
 };
 
 Day.defaultProps = {
   first: false,
   last: false,
+  /** [MM-P2P] Experiment */
+  mmp2p: {
+    state: {
+      isEnabled: false,
+      upgradeDeadline: '',
+    },
+  },
 };
 
 export default injectIntl(Day);

src/course-home/dates-tab/timeline/Timeline.jsx

@@ -1,4 +1,6 @@
 import React from 'react';
+/** [MM-P2P] Experiment (import) */
+import PropTypes from 'prop-types';
 import { useSelector } from 'react-redux';
 
 import { useModel } from '../../../generic/model-store';
@@ -6,7 +8,8 @@ import { useModel } from '../../../generic/model-store';
 import Day from './Day';
 import { daycmp, isLearnerAssignment } from '../utils';
 
-const Timeline = () => {
+/** [MM-P2P] Experiment (argument) */
+export default function Timeline({ mmp2p }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -63,10 +66,17 @@ const Timeline = () => {
   return (
     <ul className="list-unstyled m-0 mt-4 pt-2">
       {groupedDates.map((groupedDate) => (
-        <Day key={groupedDate.date} {...groupedDate} />
+        <Day key={groupedDate.date} {...groupedDate} mmp2p={mmp2p} />
       ))}
     </ul>
   );
+}
+
+/** [MM-P2P] Experiment */
+Timeline.propTypes = {
+  mmp2p: PropTypes.shape({}),
 };
 
-export default Timeline;
+Timeline.defaultProps = {
+  mmp2p: {},
+};

src/course-home/discussion-tab/DiscussionTab.jsx

@@ -2,20 +2,21 @@ import { getConfig } from '@edx/frontend-platform';
 import { injectIntl } from '@edx/frontend-platform/i18n';
 import React, { useState } from 'react';
 import { useSelector } from 'react-redux';
-import { useParams, generatePath, useNavigate } from 'react-router-dom';
+import { generatePath, useHistory } from 'react-router';
+import { useParams } from 'react-router-dom';
 import { useIFrameHeight, useIFramePluginEvents } from '../../generic/hooks';
 
-const DiscussionTab = () => {
+function DiscussionTab() {
   const { courseId } = useSelector(state => state.courseHome);
   const { path } = useParams();
   const [originalPath] = useState(path);
-  const navigate = useNavigate();
+  const history = useHistory();
 
   const [, iFrameHeight] = useIFrameHeight();
   useIFramePluginEvents({
     'discussions.navigate': (payload) => {
       const basePath = generatePath('/course/:courseId/discussion', { courseId });
-      navigate(`${basePath}/${payload.path}`);
+      history.push(`${basePath}/${payload.path}`);
     },
   });
   const discussionsUrl = `${getConfig().DISCUSSIONS_MFE_BASE_URL}/${courseId}/${originalPath}`;
@@ -28,7 +29,7 @@ const DiscussionTab = () => {
       title="discussion"
     />
   );
-};
+}
 
 DiscussionTab.propTypes = {};
 

src/course-home/discussion-tab/DiscussionTab.test.jsx

@@ -4,7 +4,7 @@ import { AppProvider } from '@edx/frontend-platform/react';
 import { render } from '@testing-library/react';
 import MockAdapter from 'axios-mock-adapter';
 import React from 'react';
-import { Route, Routes } from 'react-router-dom';
+import { Route } from 'react-router';
 import { Factory } from 'rosie';
 import { UserMessagesProvider } from '../../generic/user-messages';
 import {
@@ -30,16 +30,11 @@ describe('DiscussionTab', () => {
     component = (
       <AppProvider store={store}>
         <UserMessagesProvider>
-          <Routes>
+          <Route path="/course/:courseId/discussion">
-            <Route
-              path="/course/:courseId/discussion"
-              element={(
             <TabContainer tab="discussion" fetch={fetchDiscussionTab} slice="courseHome">
               <DiscussionTab />
             </TabContainer>
-              )}
+          </Route>
-            />
-          </Routes>
         </UserMessagesProvider>
       </AppProvider>
     );

src/course-home/goal-unsubscribe/GoalUnsubscribe.jsx

@@ -10,7 +10,7 @@ import { unsubscribeFromCourseGoal } from '../data/api';
 import messages from './messages';
 import ResultPage from './ResultPage';
 
-const GoalUnsubscribe = ({ intl }) => {
+function GoalUnsubscribe({ intl }) {
   const { token } = useParams();
   const [error, setError] = useState(false);
   const [isLoading, setIsLoading] = useState(true);
@@ -33,7 +33,6 @@ const GoalUnsubscribe = ({ intl }) => {
     // as visiting this page is allowed to be done anonymously and without the context of the course.
     // The token can be used to connect a user and course, it will just require some post-processing
     sendTrackEvent('edx.ui.lms.goal.unsubscribe', { token });
-  // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []); // deps=[] to only run once
 
   return (
@@ -49,7 +48,7 @@ const GoalUnsubscribe = ({ intl }) => {
       </main>
     </>
   );
-};
+}
 
 GoalUnsubscribe.propTypes = {
   intl: intlShape.isRequired,

src/course-home/goal-unsubscribe/GoalUnsubscribe.test.jsx

@@ -1,9 +1,7 @@
 import React from 'react';
-import {
+import { Route } from 'react-router';
-  MemoryRouter, Route, Routes,
-} from 'react-router-dom';
 import MockAdapter from 'axios-mock-adapter';
-import { getConfig } from '@edx/frontend-platform';
+import { getConfig, history } from '@edx/frontend-platform';
 import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
 import { AppProvider } from '@edx/frontend-platform/react';
 import { render, screen } from '@testing-library/react';
@@ -26,16 +24,13 @@ describe('GoalUnsubscribe', () => {
     axiosMock = new MockAdapter(getAuthenticatedHttpClient());
     store = initializeStore();
     component = (
-      <AppProvider store={store} wrapWithRouter={false}>
+      <AppProvider store={store}>
         <UserMessagesProvider>
-          <MemoryRouter initialEntries={['/goal-unsubscribe/TOKEN']}>
+          <Route path="/goal-unsubscribe/:token" component={GoalUnsubscribe} />
-            <Routes>
-              <Route path="/goal-unsubscribe/:token" element={<GoalUnsubscribe />} />
-            </Routes>
-          </MemoryRouter>
         </UserMessagesProvider>
       </AppProvider>
     );
+    history.push('/goal-unsubscribe/TOKEN'); // so we can pull token from url
   });
 
   it('starts with a spinner', () => {

src/course-home/goal-unsubscribe/ResultPage.jsx

@@ -6,7 +6,7 @@ import { Button, Hyperlink } from '@edx/paragon';
 import messages from './messages';
 import { ReactComponent as UnsubscribeIcon } from './unsubscribe.svg';
 
-const ResultPage = ({ courseTitle, error, intl }) => {
+function ResultPage({ courseTitle, error, intl }) {
   const errorDescription = (
     <FormattedMessage
       id="learning.goals.unsubscribe.errorDescription"
@@ -44,7 +44,7 @@ const ResultPage = ({ courseTitle, error, intl }) => {
       </Button>
     </>
   );
-};
+}
 
 ResultPage.defaultProps = {
   courseTitle: null,

src/course-home/live-tab/LiveTab.jsx

@@ -1,7 +1,7 @@
 import React, { useEffect } from 'react';
 import { useSelector } from 'react-redux';
 
-const LiveTab = () => {
+function LiveTab() {
   const { courseId } = useSelector(state => state.courseHome);
   const liveModel = useSelector(state => state.models.live);
   useEffect(() => {
@@ -17,6 +17,6 @@ const LiveTab = () => {
       dangerouslySetInnerHTML={{ __html: liveModel[courseId]?.iframe }}
     />
   );
-};
+}
 
 export default LiveTab;

src/course-home/outline-tab/DateSummary.jsx

@@ -9,10 +9,12 @@ import { useModel } from '../../generic/model-store';
 import { isLearnerAssignment } from '../dates-tab/utils';
 import './DateSummary.scss';
 
-const DateSummary = ({
+export default function DateSummary({
   dateBlock,
   userTimezone,
-}) => {
+  /** [MM-P2P] Experiment */
+  mmp2p,
+}) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -23,6 +25,9 @@ const DateSummary = ({
   const linkedTitle = dateBlock.link && isLearnerAssignment(dateBlock);
   const timezoneFormatArgs = userTimezone ? { timeZone: userTimezone } : {};
 
+  /** [MM-P2P] Experiment */
+  const showMMP2P = mmp2p.state.isEnabled && (dateBlock.dateType === 'verified-upgrade-deadline');
+
   const logVerifiedUpgradeClick = () => {
     sendTrackEvent('edx.bi.ecommerce.upsell_links_clicked', {
       org_key: org,
@@ -40,7 +45,8 @@ const DateSummary = ({
         <FontAwesomeIcon icon={faCalendarAlt} className="ml-3 mt-1 mr-1" fixedWidth />
         <div className="ml-1 font-weight-bold">
           <FormattedDate
-            value={dateBlock.date}
+            /** [MM-P2P] Experiment */
+            value={showMMP2P ? mmp2p.state.upgradeDeadline : dateBlock.date}
             day="numeric"
             month="short"
             weekday="short"
@@ -49,6 +55,20 @@ const DateSummary = ({
           />
         </div>
       </div>
+      {/** [MM-P2P] Experiment (conditional) */}
+      { showMMP2P ? (
+        <div className="row ml-4 pr-2">
+          <div className="date-summary-text">
+            <div className="font-weight-bold mt-2">
+              Last chance to upgrade
+            </div>
+          </div>
+          <div className="date-summary-text mt-1">
+            You are still eligible to upgrade to a Verified Certificate!
+            &nbsp; Unlock full course access and highlight the knowledge you&apos;ll gain.
+          </div>
+        </div>
+      ) : (
         <div className="row ml-4 pr-2">
           <div className="date-summary-text">
             {linkedTitle && (
@@ -73,9 +93,10 @@ const DateSummary = ({
             </a>
           )}
         </div>
+      )}
     </li>
   );
-};
+}
 
 DateSummary.propTypes = {
   dateBlock: PropTypes.shape({
@@ -88,10 +109,22 @@ DateSummary.propTypes = {
     learnerHasAccess: PropTypes.bool,
   }).isRequired,
   userTimezone: PropTypes.string,
+  /** [MM-P2P] Experiment */
+  mmp2p: PropTypes.shape({
+    state: PropTypes.shape({
+      isEnabled: PropTypes.bool.isRequired,
+      upgradeDeadline: PropTypes.string,
+    }),
+  }),
 };
 
 DateSummary.defaultProps = {
   userTimezone: null,
+  /** [MM-P2P] Experiment */
+  mmp2p: {
+    state: {
+      isEnabled: false,
+      upgradeDeadline: '',
+    },
+  },
 };
-
-export default DateSummary;

src/course-home/outline-tab/LmsHtmlFragment.jsx

@@ -3,18 +3,18 @@ import PropTypes from 'prop-types';
 
 import { getConfig } from '@edx/frontend-platform';
 
-const LmsHtmlFragment = ({
+export default function LmsHtmlFragment({
   className,
   html,
   title,
   ...rest
-}) => {
+}) {
   const wholePage = `
     <html>
       <head>
         <base href="${getConfig().LMS_BASE_URL}" target="_parent">
         <link rel="stylesheet" href="/static/${getConfig().LEGACY_THEME_NAME ? `${getConfig().LEGACY_THEME_NAME}/` : ''}css/bootstrap/lms-main.css">
-        <link rel="stylesheet" type="text/css" href="${getConfig().BASE_URL}/static/LmsHtmlFragment.css">
+        <link rel="stylesheet" type="text/css" href="${getConfig().BASE_URL}/src/course-home/outline-tab/LmsHtmlFragment.css">
       </head>
       <body class="${className}">${html}</body>
       <script>
@@ -55,7 +55,7 @@ const LmsHtmlFragment = ({
       {...rest}
     />
   );
-};
+}
 
 LmsHtmlFragment.defaultProps = {
   className: '',
@@ -66,5 +66,3 @@ LmsHtmlFragment.propTypes = {
   html: PropTypes.string.isRequired,
   title: PropTypes.string.isRequired,
 };
-
-export default LmsHtmlFragment;

src/course-home/outline-tab/OutlineTab.jsx

@@ -1,8 +1,9 @@
 import React, { useEffect, useState } from 'react';
-import { useLocation, useNavigate } from 'react-router-dom';
+import { useLocation } from 'react-router-dom';
 import { useSelector } from 'react-redux';
 import { sendTrackEvent } from '@edx/frontend-platform/analytics';
 import { getAuthenticatedUser } from '@edx/frontend-platform/auth';
+import { history } from '@edx/frontend-platform';
 import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
 import { Button } from '@edx/paragon';
 import { AlertList } from '../../generic/user-messages';
@@ -28,7 +29,10 @@ import WelcomeMessage from './widgets/WelcomeMessage';
 import ProctoringInfoPanel from './widgets/ProctoringInfoPanel';
 import AccountActivationAlert from '../../alerts/logistration-alert/AccountActivationAlert';
 
-const OutlineTab = ({ intl }) => {
+/** [MM-P2P] Experiment */
+import { initHomeMMP2P, MMP2PFlyover } from '../../experiments/mm-p2p';
+
+function OutlineTab({ intl }) {
   const {
     courseId,
     proctoringPanelStatus,
@@ -66,7 +70,6 @@ const OutlineTab = ({ intl }) => {
   } = useModel('coursewareMeta', courseId);
 
   const [expandAll, setExpandAll] = useState(false);
-  const navigate = useNavigate();
 
   const eventProperties = {
     org_key: org,
@@ -101,6 +104,9 @@ const OutlineTab = ({ intl }) => {
     return userRoleNames.includes('enterprise_learner');
   };
 
+  /** [[MM-P2P] Experiment */
+  const MMP2P = initHomeMMP2P(courseId);
+
   /** show post enrolment survey to only B2C learners */
   const learnerType = isEnterpriseUser() ? 'enterprise_learner' : 'b2c_learner';
 
@@ -110,15 +116,13 @@ const OutlineTab = ({ intl }) => {
     const currentParams = new URLSearchParams(location.search);
     const startCourse = currentParams.get('start_course');
     if (startCourse === '1') {
-      sendTrackEvent('enrollment.email.clicked.startcourse', {});
+      sendTrackEvent('welcome.email.clicked.startcourse', {});
 
       // Deleting the course_start query param as it only needs to be set once
       // whenever passed in query params.
       currentParams.delete('start_course');
-      navigate({
+      history.replace({
-        pathname: location.pathname,
+        search: currentParams.toString(),
-        search: `?${currentParams.toString()}`,
-        replace: true,
       });
     }
   }, [location.search]);
@@ -130,6 +134,7 @@ const OutlineTab = ({ intl }) => {
           <div role="heading" aria-level="1" className="h2">{title}</div>
         </div>
       </div>
+      {/** [MM-P2P] Experiment (className for optimizely trigger) */}
       <div className="row course-outline-tab">
         <AccountActivationAlert />
         <div className="col-12">
@@ -141,6 +146,9 @@ const OutlineTab = ({ intl }) => {
           />
         </div>
         <div className="col col-12 col-md-8">
+          { /** [MM-P2P] Experiment (the conditional) */ }
+          { !MMP2P.state.isEnabled
+            && (
             <AlertList
               topic="outline-course-alerts"
               className="mb-3"
@@ -151,7 +159,8 @@ const OutlineTab = ({ intl }) => {
                 ...scheduledContentAlert,
               }}
             />
-          {isSelfPaced && hasDeadlines && (
+            )}
+          {isSelfPaced && hasDeadlines && !MMP2P.state.isEnabled && (
             <>
               <ShiftDatesAlert model="outline" fetch={fetchOutlineTab} />
               <UpgradeToShiftDatesAlert model="outline" logUpgradeLinkClick={logUpgradeToShiftDatesLinkClick} />
@@ -194,6 +203,10 @@ const OutlineTab = ({ intl }) => {
               />
             )}
             <CourseTools />
+            { /** [MM-P2P] Experiment (conditional) */ }
+            { MMP2P.state.isEnabled
+              ? <MMP2PFlyover isStatic options={MMP2P} />
+              : (
                 <UpgradeNotification
                   offer={offer}
                   verifiedMode={verifiedMode}
@@ -207,14 +220,18 @@ const OutlineTab = ({ intl }) => {
                   courseId={courseId}
                   org={org}
                 />
-            <CourseDates />
+              )}
+            <CourseDates
+              /** [MM-P2P] Experiment */
+              mmp2p={MMP2P}
+            />
             <CourseHandouts />
           </div>
         )}
       </div>
     </>
   );
-};
+}
 
 OutlineTab.propTypes = {
   intl: intlShape.isRequired,

src/course-home/outline-tab/OutlineTab.test.jsx

@@ -119,11 +119,11 @@ describe('Outline Tab', () => {
 
       // Click to expand section
       userEvent.click(expandButton);
-      await waitFor(() => expect(collapsedSectionNode).toHaveAttribute('aria-expanded', 'true'));
+      expect(collapsedSectionNode).toHaveAttribute('aria-expanded', 'true');
 
       // Click to collapse section
       userEvent.click(expandButton);
-      await waitFor(() => expect(collapsedSectionNode).toHaveAttribute('aria-expanded', 'false'));
+      expect(collapsedSectionNode).toHaveAttribute('aria-expanded', 'false');
     });
 
     it('displays correct icon for complete assignment', async () => {
@@ -355,13 +355,13 @@ describe('Outline Tab', () => {
 
       await fetchAndRender('http://localhost/?weekly_goal=3');
       expect(spy).toHaveBeenCalledTimes(1);
-      expect(sendTrackEvent).toHaveBeenCalledWith('enrollment.email.clicked.setgoal', {});
+      expect(sendTrackEvent).toHaveBeenCalledWith('welcome.email.clicked.setgoal', {});
     });
 
     it('emit start course event via query param', async () => {
       sendTrackEvent.mockClear();
       await fetchAndRender('http://localhost/?start_course=1');
-      expect(sendTrackEvent).toHaveBeenCalledWith('enrollment.email.clicked.startcourse', {});
+      expect(sendTrackEvent).toHaveBeenCalledWith('welcome.email.clicked.startcourse', {});
     });
 
     describe('weekly learning goal is not set', () => {
@@ -383,11 +383,12 @@ describe('Outline Tab', () => {
         expect(screen.getByLabelText(messages.setGoalReminder.defaultMessage)).toBeDisabled();
       });
 
-      it.each([
+      it.each`
-        { level: 'Casual', days: 1 },
+      level     | days 
-        { level: 'Regular', days: 3 },
+      ${'Casual'}  | ${1}
-        { level: 'Intense', days: 5 },
+      ${'Regular'} | ${3}
-      ])('calls the API with a goal of $days when $level goal is clicked', async ({ level, days }) => {
+      ${'Intense'} | ${5}
+        `('calls the API with a goal of $days when $level goal is clicked', async ({ level, days }) => {
   // click on Casual goal
   const button = await screen.queryByTestId(`weekly-learning-goal-input-${level}`);
   fireEvent.click(button);
@@ -401,7 +402,6 @@ describe('Outline Tab', () => {
   });
   expect(screen.getByLabelText(messages.setGoalReminder.defaultMessage)).toBeEnabled();
 });
-
       it('shows and hides subscribe to reminders additional text', async () => {
         const button = await screen.getByTestId('weekly-learning-goal-input-Regular');
         fireEvent.click(button);
@@ -789,14 +789,12 @@ describe('Outline Tab', () => {
         const requestingButton = screen.getByRole('button', { name: 'Request certificate' });
         fireEvent.click(requestingButton);
         expect(sendTrackEvent).toHaveBeenCalledTimes(1);
-        expect(sendTrackEvent).toHaveBeenCalledWith(
+        expect(sendTrackEvent).toHaveBeenCalledWith('edx.ui.lms.course_outline.certificate_alert_request_cert_button.clicked',
-          'edx.ui.lms.course_outline.certificate_alert_request_cert_button.clicked',
           {
             courserun_key: courseId,
             is_staff: false,
             org_key: 'edX',
-          },
+          });
-        );
       });
 
       it('tracks unverified cert button', async () => {
@@ -835,14 +833,12 @@ describe('Outline Tab', () => {
         const requestingButton = screen.getByRole('link', { name: 'Verify my ID' });
         fireEvent.click(requestingButton);
         expect(sendTrackEvent).toHaveBeenCalledTimes(1);
-        expect(sendTrackEvent).toHaveBeenCalledWith(
+        expect(sendTrackEvent).toHaveBeenCalledWith('edx.ui.lms.course_outline.certificate_alert_unverified_button.clicked',
-          'edx.ui.lms.course_outline.certificate_alert_unverified_button.clicked',
           {
             courserun_key: courseId,
             is_staff: false,
             org_key: 'edX',
-          },
+          });
-        );
       });
     });
 

src/course-home/outline-tab/Section.jsx

@@ -12,13 +12,13 @@ import { useModel } from '../../generic/model-store';
 import genericMessages from '../../generic/messages';
 import messages from './messages';
 
-const Section = ({
+function Section({
   courseId,
   defaultOpen,
   expand,
   intl,
   section,
-}) => {
+}) {
   const {
     complete,
     sequenceIds,
@@ -38,7 +38,6 @@ const Section = ({
 
   useEffect(() => {
     setOpen(defaultOpen);
-  // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
   const sectionTitle = (
@@ -110,7 +109,7 @@ const Section = ({
       </Collapsible>
     </li>
   );
-};
+}
 
 Section.propTypes = {
   courseId: PropTypes.string.isRequired,

src/course-home/outline-tab/SequenceLink.jsx

@@ -16,13 +16,13 @@ import EffortEstimate from '../../shared/effort-estimate';
 import { useModel } from '../../generic/model-store';
 import messages from './messages';
 
-const SequenceLink = ({
+function SequenceLink({
   id,
   intl,
   courseId,
   first,
   sequence,
-}) => {
+}) {
   const {
     complete,
     description,
@@ -39,50 +39,6 @@ const SequenceLink = ({
   const coursewareUrl = <Link to={`/course/${courseId}/${id}`}>{title}</Link>;
   const displayTitle = showLink ? coursewareUrl : title;
 
-  const dueDateMessage = (
-    <FormattedMessage
-      id="learning.outline.sequence-due-date-set"
-      defaultMessage="{description} due {assignmentDue}"
-      description="Used below an assignment title"
-      values={{
-        assignmentDue: (
-          <FormattedTime
-            key={`${id}-due`}
-            day="numeric"
-            month="short"
-            year="numeric"
-            timeZoneName="short"
-            value={due}
-            {...timezoneFormatArgs}
-          />
-        ),
-        description: description || '',
-      }}
-    />
-  );
-
-  const noDueDateMessage = (
-    <FormattedMessage
-      id="learning.outline.sequence-due-date-not-set"
-      defaultMessage="{description}"
-      description="Used below an assignment title"
-      values={{
-        assignmentDue: (
-          <FormattedTime
-            key={`${id}-due`}
-            day="numeric"
-            month="short"
-            year="numeric"
-            timeZoneName="short"
-            value={due}
-            {...timezoneFormatArgs}
-          />
-        ),
-        description: description || '',
-      }}
-    />
-  );
-
   return (
     <li>
       <div className={classNames('', { 'mt-2 pt-2 border-top border-light': !first })}>
@@ -114,15 +70,35 @@ const SequenceLink = ({
             <EffortEstimate className="ml-3 align-middle" block={sequence} />
           </div>
         </div>
+        {due && (
           <div className="row w-100 m-0 ml-3 pl-3">
             <small className="text-body pl-2">
-            {due ? dueDateMessage : noDueDateMessage}
+              <FormattedMessage
+                id="learning.outline.sequence-due"
+                defaultMessage="{description} due {assignmentDue}"
+                description="Used below an assignment title"
+                values={{
+                  assignmentDue: (
+                    <FormattedTime
+                      key={`${id}-due`}
+                      day="numeric"
+                      month="short"
+                      year="numeric"
+                      timeZoneName="short"
+                      value={due}
+                      {...timezoneFormatArgs}
+                    />
+                  ),
+                  description: description || '',
+                }}
+              />
             </small>
           </div>
+        )}
       </div>
     </li>
   );
-};
+}
 
 SequenceLink.propTypes = {
   id: PropTypes.string.isRequired,

src/course-home/outline-tab/alerts/certificate-status-alert/CertificateStatusAlert.jsx

@@ -25,7 +25,7 @@ export const CERT_STATUS_TYPE = {
   UNVERIFIED: 'unverified',
 };
 
-const CertificateStatusAlert = ({ intl, payload }) => {
+function CertificateStatusAlert({ intl, payload }) {
   const dispatch = useDispatch();
   const {
     certificateAvailableDate,
@@ -189,7 +189,7 @@ const CertificateStatusAlert = ({ intl, payload }) => {
       )}
     </AlertWrapper>
   );
-};
+}
 
 CertificateStatusAlert.propTypes = {
   intl: intlShape.isRequired,

src/course-home/outline-tab/alerts/certificate-status-alert/hooks.js

@@ -75,7 +75,7 @@ function useCertificateStatusAlert(courseId) {
     && hasEnded
     && !userHasPassingGrade
   );
-  const payload = useMemo(() => ({
+  const payload = {
     certificateAvailableDate,
     certURL,
     certStatus,
@@ -85,12 +85,11 @@ function useCertificateStatusAlert(courseId) {
     org,
     notPassingCourseEnded,
     tabs,
-  }), [certStatus, certURL, certificateAvailableDate, courseId,
+  };
-    endBlock, notPassingCourseEnded, org, tabs, userTimezone]);
 
   useAlert(isVisible || notPassingCourseEnded, {
     code: 'clientCertificateStatusAlert',
-    payload,
+    payload: useMemo(() => payload, Object.values(payload).sort()),
     topic: 'outline-course-alerts',
   });
 

src/course-home/outline-tab/alerts/course-end-alert/CourseEndAlert.jsx

@@ -9,11 +9,9 @@ import {
 import { Alert } from '@edx/paragon';
 import { Info } from '@edx/paragon/icons';
 
-const DAY_SEC = 24 * 60 * 60; // in seconds
+const DAY_MS = 24 * 60 * 60 * 1000; // in ms
-const DAY_MS = DAY_SEC * 1000; // in ms
-const YEAR_SEC = 365 * DAY_SEC; // in seconds
 
-const CourseEndAlert = ({ payload }) => {
+function CourseEndAlert({ payload }) {
   const {
     description,
     endDate,
@@ -22,19 +20,16 @@ const CourseEndAlert = ({ payload }) => {
 
   const timezoneFormatArgs = userTimezone ? { timeZone: userTimezone } : {};
 
-  let msg;
-  const delta = new Date(endDate) - new Date();
   const timeRemaining = (
     <FormattedRelativeTime
       key="timeRemaining"
-      value={delta / 1000}
+      value={endDate}
-      numeric="auto"
-      // 1 year interval to help auto format. It won't format without updateIntervalInSeconds.
-      updateIntervalInSeconds={YEAR_SEC}
       {...timezoneFormatArgs}
     />
   );
 
+  let msg;
+  const delta = new Date(endDate) - new Date();
   if (delta < DAY_MS) {
     const courseEndTime = (
       <FormattedTime
@@ -88,7 +83,7 @@ const CourseEndAlert = ({ payload }) => {
       {description}
     </Alert>
   );
-};
+}
 
 CourseEndAlert.propTypes = {
   payload: PropTypes.shape({

src/course-home/outline-tab/alerts/course-end-alert/hooks.js

@@ -23,15 +23,15 @@ export function useCourseEndAlert(courseId) {
   const endDate = endBlock ? new Date(endBlock.date) : null;
   const delta = endBlock ? endDate - new Date() : 0;
   const isVisible = isEnrolled && endBlock && delta > 0 && delta < WARNING_PERIOD_MS;
-  const payload = useMemo(() => ({
+  const payload = {
     description: endBlock && endBlock.description,
     endDate: endBlock && endBlock.date,
     userTimezone,
-  }), [endBlock, userTimezone]);
+  };
 
   useAlert(isVisible, {
     code: 'clientCourseEndAlert',
-    payload,
+    payload: useMemo(() => payload, Object.values(payload).sort()),
     topic: 'outline-course-alerts',
   });
 

src/course-home/outline-tab/alerts/private-course-alert/PrivateCourseAlert.jsx

@@ -14,7 +14,7 @@ import outlineMessages from '../../messages';
 import useEnrollClickHandler from '../../../../alerts/enrollment-alert/clickHook';
 import { useModel } from '../../../../generic/model-store';
 
-const PrivateCourseAlert = ({ intl, payload }) => {
+function PrivateCourseAlert({ intl, payload }) {
   const {
     anonymousUser,
     canEnroll,
@@ -100,7 +100,7 @@ const PrivateCourseAlert = ({ intl, payload }) => {
       )}
     </Alert>
   );
-};
+}
 
 PrivateCourseAlert.propTypes = {
   intl: intlShape.isRequired,

src/course-home/outline-tab/alerts/private-course-alert/hooks.js

@@ -18,16 +18,16 @@ export function usePrivateCourseAlert(courseId) {
    *    2. the user is authenticated.
    * */
   const isVisible = !enrolledUser && (privateOutline || authenticatedUser !== null);
-  const payload = useMemo(() => ({
+  const payload = {
     anonymousUser: authenticatedUser === null,
     canEnroll: outline && outline.enrollAlert ? outline.enrollAlert.canEnroll : false,
     courseId,
-  }), [authenticatedUser, courseId, outline]);
+  };
 
   useAlert(isVisible, {
     code: 'clientPrivateCourseAlert',
     dismissible: false,
-    payload,
+    payload: useMemo(() => payload, Object.values(payload).sort()),
     topic: 'outline-private-alerts',
     type: ALERT_TYPES.WELCOME,
   });

src/course-home/outline-tab/alerts/scheduled-content-alert/ScheduledCotentAlert.jsx

@@ -3,7 +3,7 @@ import { Alert, Button } from '@edx/paragon';
 import React from 'react';
 import PropTypes from 'prop-types';
 
-const ScheduledContentAlert = ({ payload }) => {
+function ScheduledContentAlert({ payload }) {
   const {
     datesTabLink,
   } = payload;
@@ -38,7 +38,7 @@ const ScheduledContentAlert = ({ payload }) => {
       </div>
     </Alert>
   );
-};
+}
 
 ScheduledContentAlert.propTypes = {
   payload: PropTypes.shape({

src/course-home/outline-tab/alerts/scheduled-content-alert/hooks.js

@@ -20,12 +20,12 @@ const useScheduledContentAlert = (courseId) => {
     && !!Object.values(courses).find(course => course.hasScheduledContent === true)
   );
   const { isEnrolled } = useModel('courseHomeMeta', courseId);
-  const payload = useMemo(() => ({
+  const payload = {
     datesTabLink,
-  }), [datesTabLink]);
+  };
   useAlert(hasScheduledContent && isEnrolled, {
     code: 'ScheduledContentAlert',
-    payload,
+    payload: useMemo(() => payload, Object.values(payload).sort()),
     topic: 'outline-course-alerts',
   });
 

src/course-home/outline-tab/widgets/CourseDates.jsx

@@ -1,5 +1,6 @@
 import React from 'react';
 import { useSelector } from 'react-redux';
+import PropTypes from 'prop-types';
 
 import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
 
@@ -7,9 +8,11 @@ import DateSummary from '../DateSummary';
 import messages from '../messages';
 import { useModel } from '../../../generic/model-store';
 
-const CourseDates = ({
+function CourseDates({
   intl,
-}) => {
+  /** [MM-P2P] Experiment */
+  mmp2p,
+}) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -37,6 +40,8 @@ const CourseDates = ({
               key={courseDateBlock.title + courseDateBlock.date}
               dateBlock={courseDateBlock}
               userTimezone={userTimezone}
+              /** [MM-P2P] Experiment */
+              mmp2p={mmp2p}
             />
           ))}
         </ol>
@@ -46,10 +51,17 @@ const CourseDates = ({
       </div>
     </section>
   );
-};
+}
 
 CourseDates.propTypes = {
   intl: intlShape.isRequired,
+  /** [MM-P2P] Experiment */
+  mmp2p: PropTypes.shape({}),
+};
+
+CourseDates.defaultProps = {
+  /** [MM-P2P] Experiment */
+  mmp2p: {},
 };
 
 export default injectIntl(CourseDates);

src/course-home/outline-tab/widgets/CourseHandouts.jsx

@@ -7,7 +7,7 @@ import LmsHtmlFragment from '../LmsHtmlFragment';
 import messages from '../messages';
 import { useModel } from '../../../generic/model-store';
 
-const CourseHandouts = ({ intl }) => {
+function CourseHandouts({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -29,7 +29,7 @@ const CourseHandouts = ({ intl }) => {
       />
     </section>
   );
-};
+}
 
 CourseHandouts.propTypes = {
   intl: intlShape.isRequired,

src/course-home/outline-tab/widgets/CourseTools.jsx

@@ -14,7 +14,7 @@ import messages from '../messages';
 import { useModel } from '../../../generic/model-store';
 import LaunchCourseHomeTourButton from '../../../product-tours/newUserCourseHomeTour/LaunchCourseHomeTourButton';
 
-const CourseTools = ({ intl }) => {
+function CourseTools({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -79,7 +79,7 @@ const CourseTools = ({ intl }) => {
       </ul>
     </section>
   );
-};
+}
 
 CourseTools.propTypes = {
   intl: intlShape.isRequired,

src/course-home/outline-tab/widgets/FlagButton.jsx

@@ -2,19 +2,18 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import classnames from 'classnames';
 
-const FlagButton = ({
+function FlagButton({
   buttonIcon,
   title,
   text,
   handleSelect,
   isSelected,
-}) => (
+}) {
+  return (
     <button
       type="button"
-    className={classnames(
+      className={classnames('flag-button row w-100 align-content-between m-1.5 py-3.5',
-      'flag-button row w-100 align-content-between m-1.5 py-3.5',
+        isSelected ? 'flag-button-selected' : '')}
-      isSelected ? 'flag-button-selected' : '',
-    )}
       aria-checked={isSelected}
       role="radio"
       onClick={() => handleSelect()}
@@ -31,6 +30,7 @@ const FlagButton = ({
       </div>
     </button>
   );
+}
 
 FlagButton.propTypes = {
   buttonIcon: PropTypes.element.isRequired,

src/course-home/outline-tab/widgets/LearningGoalButton.jsx

@@ -9,12 +9,12 @@ import { ReactComponent as FlagRegularIcon } from './flag_gray.svg';
 import FlagButton from './FlagButton';
 import messages from '../messages';
 
-const LearningGoalButton = ({
+function LearningGoalButton({
   level,
   isSelected,
   handleSelect,
   intl,
-}) => {
+}) {
   const buttonDetails = {
     casual: {
       daysPerWeek: 1,
@@ -47,7 +47,7 @@ const LearningGoalButton = ({
       isSelected={isSelected}
     />
   );
-};
+}
 
 LearningGoalButton.propTypes = {
   level: PropTypes.string.isRequired,

src/course-home/outline-tab/widgets/ProctoringInfoPanel.jsx

@@ -10,7 +10,7 @@ import { getProctoringInfoData } from '../../data/api';
 import { fetchProctoringInfoResolved } from '../../data/slice';
 import { useModel } from '../../../generic/model-store';
 
-const ProctoringInfoPanel = ({ intl }) => {
+function ProctoringInfoPanel({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -128,7 +128,6 @@ const ProctoringInfoPanel = ({ intl }) => {
       .finally(() => {
         dispatch(fetchProctoringInfoResolved());
       });
-  // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
   let onboardingExamButton = null;
@@ -171,7 +170,6 @@ const ProctoringInfoPanel = ({ intl }) => {
   }
 
   return (
-    // eslint-disable-next-line react/jsx-no-useless-fragment
     <>
       { showInfoPanel && (
         <section className={`mb-4 p-3 outline-sidebar-proctoring-panel ${getBorderClass()}`}>
@@ -214,7 +212,7 @@ const ProctoringInfoPanel = ({ intl }) => {
       )}
     </>
   );
-};
+}
 
 ProctoringInfoPanel.propTypes = {
   intl: intlShape.isRequired,

src/course-home/outline-tab/widgets/StartOrResumeCourseCard.jsx

@@ -7,7 +7,7 @@ import { sendTrackingLogEvent } from '@edx/frontend-platform/analytics';
 import messages from '../messages';
 import { useModel } from '../../../generic/model-store';
 
-const StartOrResumeCourseCard = ({ intl }) => {
+function StartOrResumeCourseCard({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -56,11 +56,10 @@ const StartOrResumeCourseCard = ({ intl }) => {
         )}
       />
       {/* Footer is needed for internal vertical spacing to work out. If you can remove, be my guest */}
-      {/* eslint-disable-next-line react/jsx-no-useless-fragment */}
       <Card.Footer><></></Card.Footer>
     </Card>
   );
-};
+}
 
 StartOrResumeCourseCard.propTypes = {
   intl: intlShape.isRequired,

src/course-home/outline-tab/widgets/WeeklyLearningGoalCard.jsx

@@ -15,11 +15,11 @@ import { saveWeeklyLearningGoal } from '../../data';
 import { useModel } from '../../../generic/model-store';
 import './FlagButton.scss';
 
-const WeeklyLearningGoalCard = ({
+function WeeklyLearningGoalCard({
   daysPerWeek,
   subscribedToReminders,
   intl,
-}) => {
+}) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -36,7 +36,7 @@ const WeeklyLearningGoalCard = ({
   const [isGetReminderSelected, setGetReminderSelected] = useState(subscribedToReminders);
   const location = useLocation();
 
-  const handleSelect = (days, triggeredFromEmail = false) => {
+  function handleSelect(days, triggeredFromEmail = false) {
     // Set the subscription button if this is the first time selecting a goal
     const selectReminders = daysPerWeekGoal === null ? true : isGetReminderSelected;
     setGetReminderSelected(selectReminders);
@@ -51,10 +51,10 @@ const WeeklyLearningGoalCard = ({
         reminder_selected: selectReminders,
       });
       if (triggeredFromEmail) {
-        sendTrackEvent('enrollment.email.clicked.setgoal', {});
+        sendTrackEvent('welcome.email.clicked.setgoal', {});
+      }
     }
   }
-  };
 
   function handleSubscribeToReminders(event) {
     const isGetReminderChecked = event.target.checked;
@@ -84,7 +84,6 @@ const WeeklyLearningGoalCard = ({
         search: currentParams.toString(),
       });
     }
-  // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [location.search]);
 
   return (
@@ -147,7 +146,7 @@ const WeeklyLearningGoalCard = ({
       )}
     </Card>
   );
-};
+}
 
 WeeklyLearningGoalCard.propTypes = {
   daysPerWeek: PropTypes.number,

src/course-home/outline-tab/widgets/WelcomeMessage.jsx

@@ -11,22 +11,21 @@ import messages from '../messages';
 import { useModel } from '../../../generic/model-store';
 import { dismissWelcomeMessage } from '../../data/thunks';
 
-const WelcomeMessage = ({ courseId, intl }) => {
+function WelcomeMessage({ courseId, intl }) {
   const {
     welcomeMessageHtml,
   } = useModel('outline', courseId);
 
+  if (!welcomeMessageHtml) {
+    return null;
+  }
+
   const [display, setDisplay] = useState(true);
 
   const shortWelcomeMessageHtml = truncate(welcomeMessageHtml, 100, { byWords: true, keepWhitespaces: true });
   const messageCanBeShortened = shortWelcomeMessageHtml.length < welcomeMessageHtml.length;
   const [showShortMessage, setShowShortMessage] = useState(messageCanBeShortened);
   const dispatch = useDispatch();
-
-  if (!welcomeMessageHtml) {
-    return null;
-  }
-
   return (
     <Alert
       data-testid="alert-container-welcome"
@@ -70,7 +69,7 @@ const WelcomeMessage = ({ courseId, intl }) => {
       </TransitionReplace>
     </Alert>
   );
-};
+}
 
 WelcomeMessage.propTypes = {
   courseId: PropTypes.string.isRequired,

src/course-home/progress-tab/ProgressHeader.jsx

@@ -9,7 +9,7 @@ import { useModel } from '../../generic/model-store';
 
 import messages from './messages';
 
-const ProgressHeader = ({ intl }) => {
+function ProgressHeader({ intl }) {
   const {
     courseId,
     targetUserId,
@@ -26,6 +26,7 @@ const ProgressHeader = ({ intl }) => {
     : intl.formatMessage(messages.progressHeader);
 
   return (
+    <>
       <div className="row w-100 m-0 mt-3 mb-4 justify-content-between">
         <h1>{pageTitle}</h1>
         {administrator && studioUrl && (
@@ -34,8 +35,9 @@ const ProgressHeader = ({ intl }) => {
           </Button>
         )}
       </div>
+    </>
   );
-};
+}
 
 ProgressHeader.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/ProgressTab.jsx

@@ -12,7 +12,7 @@ import RelatedLinks from './related-links/RelatedLinks';
 
 import { useModel } from '../../generic/model-store';
 
-const ProgressTab = () => {
+function ProgressTab() {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -55,6 +55,6 @@ const ProgressTab = () => {
       </div>
     </>
   );
-};
+}
 
 export default ProgressTab;

src/course-home/progress-tab/certificate-status/CertificateStatus.jsx

@@ -14,7 +14,7 @@ import { DashboardLink, IdVerificationSupportLink, ProfileLink } from '../../../
 import { requestCert } from '../../data/thunks';
 import messages from './messages';
 
-const CertificateStatus = ({ intl }) => {
+function CertificateStatus({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -206,7 +206,6 @@ const CertificateStatus = ({ intl }) => {
       grade_variant: gradeEventName,
       certificate_status_variant: certEventName,
     });
-    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
   if (!certCase) {
@@ -258,7 +257,7 @@ const CertificateStatus = ({ intl }) => {
       </Card>
     </section>
   );
-};
+}
 
 CertificateStatus.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/course-completion/CompleteDonutSegment.jsx

@@ -6,13 +6,13 @@ import { OverlayTrigger, Popover } from '@edx/paragon';
 
 import messages from './messages';
 
-const CompleteDonutSegment = ({ completePercentage, intl, lockedPercentage }) => {
+function CompleteDonutSegment({ completePercentage, intl, lockedPercentage }) {
-  const [showCompletePopover, setShowCompletePopover] = useState(false);
-
   if (!completePercentage) {
     return null;
   }
 
+  const [showCompletePopover, setShowCompletePopover] = useState(false);
+
   const completeSegmentOffset = (3.6 * completePercentage) / 8;
   let completeTooltipDegree = completePercentage < 100 ? -completeSegmentOffset : 0;
 
@@ -78,7 +78,7 @@ const CompleteDonutSegment = ({ completePercentage, intl, lockedPercentage }) =>
       )}
     </g>
   );
-};
+}
 
 CompleteDonutSegment.propTypes = {
   completePercentage: PropTypes.number.isRequired,

src/course-home/progress-tab/course-completion/CompletionDonutChart.jsx

@@ -10,7 +10,7 @@ import IncompleteDonutSegment from './IncompleteDonutSegment';
 import LockedDonutSegment from './LockedDonutSegment';
 import messages from './messages';
 
-const CompletionDonutChart = ({ intl }) => {
+function CompletionDonutChart({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -60,7 +60,7 @@ const CompletionDonutChart = ({ intl }) => {
       </div>
     </>
   );
-};
+}
 
 CompletionDonutChart.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/course-completion/CourseCompletion.jsx

@@ -4,7 +4,8 @@ import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
 import CompletionDonutChart from './CompletionDonutChart';
 import messages from './messages';
 
-const CourseCompletion = ({ intl }) => (
+function CourseCompletion({ intl }) {
+  return (
     <section className="text-dark-700 mb-4 rounded raised-card p-4">
       <div className="row w-100 m-0">
         <div className="col-12 col-sm-6 col-md-7 p-0">
@@ -19,6 +20,7 @@ const CourseCompletion = ({ intl }) => (
       </div>
     </section>
   );
+}
 
 CourseCompletion.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/course-completion/IncompleteDonutSegment.jsx

@@ -6,13 +6,13 @@ import { OverlayTrigger, Popover } from '@edx/paragon';
 
 import messages from './messages';
 
-const IncompleteDonutSegment = ({ incompletePercentage, intl }) => {
+function IncompleteDonutSegment({ incompletePercentage, intl }) {
-  const [showIncompletePopover, setShowIncompletePopover] = useState(false);
-
   if (!incompletePercentage) {
     return null;
   }
 
+  const [showIncompletePopover, setShowIncompletePopover] = useState(false);
+
   const incompleteSegmentOffset = (3.6 * incompletePercentage) / 16;
   const incompleteTooltipDegree = incompletePercentage < 100 ? incompleteSegmentOffset : 0;
 
@@ -49,7 +49,7 @@ const IncompleteDonutSegment = ({ incompletePercentage, intl }) => {
       </OverlayTrigger>
     </g>
   );
-};
+}
 
 IncompleteDonutSegment.propTypes = {
   incompletePercentage: PropTypes.number.isRequired,

src/course-home/progress-tab/course-completion/LockedDonutSegment.jsx

@@ -6,7 +6,7 @@ import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
 
 import messages from './messages';
 
-const LockedDonutSegment = ({ intl, lockedPercentage }) => {
+function LockedDonutSegment({ intl, lockedPercentage }) {
   const [showLockedPopover, setShowLockedPopover] = useState(false);
 
   if (!lockedPercentage) {
@@ -62,7 +62,7 @@ const LockedDonutSegment = ({ intl, lockedPercentage }) => {
       </OverlayTrigger>
     </g>
   );
-};
+}
 
 LockedDonutSegment.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/credit-information/CreditInformation.jsx

@@ -10,7 +10,7 @@ import { DashboardLink } from '../../../shared/links';
 
 import messages from './messages';
 
-const CreditInformation = ({ intl }) => {
+function CreditInformation({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -106,7 +106,7 @@ const CreditInformation = ({ intl }) => {
       {requirements}
     </>
   );
-};
+}
 
 CreditInformation.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/course-grade/CourseGrade.jsx

@@ -11,7 +11,7 @@ import CreditInformation from '../../credit-information/CreditInformation';
 
 import messages from '../messages';
 
-const CourseGrade = ({ intl }) => {
+function CourseGrade({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -52,7 +52,7 @@ const CourseGrade = ({ intl }) => {
       </div>
     </section>
   );
-};
+}
 
 CourseGrade.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/course-grade/CourseGradeFooter.jsx

@@ -10,7 +10,7 @@ import { useModel } from '../../../../generic/model-store';
 import GradeRangeTooltip from './GradeRangeTooltip';
 import messages from '../messages';
 
-const CourseGradeFooter = ({ intl, passingGrade }) => {
+function CourseGradeFooter({ intl, passingGrade }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -83,7 +83,7 @@ const CourseGradeFooter = ({ intl, passingGrade }) => {
       </div>
     </div>
   );
-};
+}
 
 CourseGradeFooter.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/course-grade/CourseGradeHeader.jsx

@@ -10,7 +10,7 @@ import { Button, Icon } from '@edx/paragon';
 import { useModel } from '../../../../generic/model-store';
 import messages from '../messages';
 
-const CourseGradeHeader = ({ intl }) => {
+function CourseGradeHeader({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -81,7 +81,7 @@ const CourseGradeHeader = ({ intl }) => {
       )}
     </div>
   );
-};
+}
 
 CourseGradeHeader.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/course-grade/CurrentGradeTooltip.jsx

@@ -11,7 +11,7 @@ import { useModel } from '../../../../generic/model-store';
 
 import messages from '../messages';
 
-const CurrentGradeTooltip = ({ intl, tooltipClassName }) => {
+function CurrentGradeTooltip({ intl, tooltipClassName }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -62,7 +62,7 @@ const CurrentGradeTooltip = ({ intl, tooltipClassName }) => {
       </text>
     </>
   );
-};
+}
 
 CurrentGradeTooltip.defaultProps = {
   tooltipClassName: '',

src/course-home/progress-tab/grades/course-grade/GradeBar.jsx

@@ -11,7 +11,7 @@ import PassingGradeTooltip from './PassingGradeTooltip';
 
 import messages from '../messages';
 
-const GradeBar = ({ intl, passingGrade }) => {
+function GradeBar({ intl, passingGrade }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -49,7 +49,7 @@ const GradeBar = ({ intl, passingGrade }) => {
       </svg>
     </div>
   );
-};
+}
 
 GradeBar.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/course-grade/GradeRangeTooltip.jsx

@@ -11,7 +11,7 @@ import { useModel } from '../../../../generic/model-store';
 
 import messages from '../messages';
 
-const GradeRangeTooltip = ({ intl, iconButtonClassName, passingGrade }) => {
+function GradeRangeTooltip({ intl, iconButtonClassName, passingGrade }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -72,7 +72,7 @@ const GradeRangeTooltip = ({ intl, iconButtonClassName, passingGrade }) => {
       />
     </OverlayTrigger>
   );
-};
+}
 
 GradeRangeTooltip.defaultProps = {
   iconButtonClassName: '',

src/course-home/progress-tab/grades/course-grade/PassingGradeTooltip.jsx

@@ -8,7 +8,7 @@ import { OverlayTrigger, Popover } from '@edx/paragon';
 
 import messages from '../messages';
 
-const PassingGradeTooltip = ({ intl, passingGrade, tooltipClassName }) => {
+function PassingGradeTooltip({ intl, passingGrade, tooltipClassName }) {
   const isLocaleRtl = isRtl(getLocale());
 
   let passingGradeDirection = passingGrade < 50 ? '' : '-';
@@ -47,7 +47,7 @@ const PassingGradeTooltip = ({ intl, passingGrade, tooltipClassName }) => {
       </text>
     </>
   );
-};
+}
 
 PassingGradeTooltip.defaultProps = {
   tooltipClassName: '',

src/course-home/progress-tab/grades/detailed-grades/DetailedGrades.jsx

@@ -12,7 +12,7 @@ import DetailedGradesTable from './DetailedGradesTable';
 
 import messages from '../messages';
 
-const DetailedGrades = ({ intl }) => {
+function DetailedGrades({ intl }) {
   const { administrator } = getAuthenticatedUser();
   const {
     courseId,
@@ -79,7 +79,7 @@ const DetailedGrades = ({ intl }) => {
       )}
     </section>
   );
-};
+}
 
 DetailedGrades.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/detailed-grades/DetailedGradesTable.jsx

@@ -10,7 +10,7 @@ import { useModel } from '../../../../generic/model-store';
 import messages from '../messages';
 import SubsectionTitleCell from './SubsectionTitleCell';
 
-const DetailedGradesTable = ({ intl }) => {
+function DetailedGradesTable({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -64,7 +64,7 @@ const DetailedGradesTable = ({ intl }) => {
       );
     })
   );
-};
+}
 
 DetailedGradesTable.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/detailed-grades/ProblemScoreDrawer.jsx

@@ -8,7 +8,7 @@ import {
 
 import messages from '../messages';
 
-const ProblemScoreDrawer = ({ intl, problemScores, subsection }) => {
+function ProblemScoreDrawer({ intl, problemScores, subsection }) {
   const isLocaleRtl = isRtl(getLocale());
   return (
     <span className="row w-100 m-0 x-small ml-4 pt-2 pl-1 text-gray-700 flex-nowrap">
@@ -22,7 +22,7 @@ const ProblemScoreDrawer = ({ intl, problemScores, subsection }) => {
       </div>
     </span>
   );
-};
+}
 
 ProblemScoreDrawer.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/detailed-grades/SubsectionTitleCell.jsx

@@ -14,7 +14,7 @@ import messages from '../messages';
 import { useModel } from '../../../../generic/model-store';
 import ProblemScoreDrawer from './ProblemScoreDrawer';
 
-const SubsectionTitleCell = ({ intl, subsection }) => {
+function SubsectionTitleCell({ intl, subsection }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -99,7 +99,7 @@ const SubsectionTitleCell = ({ intl, subsection }) => {
       </Collapsible.Body>
     </Collapsible.Advanced>
   );
-};
+}
 
 SubsectionTitleCell.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/grade-summary/AssignmentTypeCell.jsx

@@ -7,9 +7,9 @@ import { Icon } from '@edx/paragon';
 import { useModel } from '../../../../generic/model-store';
 import messages from '../messages';
 
-const AssignmentTypeCell = ({
+function AssignmentTypeCell({
   intl, assignmentType, footnoteMarker, footnoteId, locked,
-}) => {
+}) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -42,7 +42,7 @@ const AssignmentTypeCell = ({
       </div>
     </div>
   );
-};
+}
 
 AssignmentTypeCell.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/grade-summary/DroppableAssignmentFootnote.jsx

@@ -7,7 +7,7 @@ import { FormattedMessage, injectIntl, intlShape } from '@edx/frontend-platform/
 import messages from '../messages';
 import { useModel } from '../../../../generic/model-store';
 
-const DroppableAssignmentFootnote = ({ footnotes, intl }) => {
+function DroppableAssignmentFootnote({ footnotes, intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -37,7 +37,7 @@ const DroppableAssignmentFootnote = ({ footnotes, intl }) => {
       </ul>
     </>
   );
-};
+}
 
 DroppableAssignmentFootnote.propTypes = {
   footnotes: PropTypes.arrayOf(PropTypes.shape({

src/course-home/progress-tab/grades/grade-summary/GradeSummary.jsx

@@ -5,7 +5,7 @@ import { useModel } from '../../../../generic/model-store';
 import GradeSummaryHeader from './GradeSummaryHeader';
 import GradeSummaryTable from './GradeSummaryTable';
 
-const GradeSummary = () => {
+function GradeSummary() {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -28,6 +28,6 @@ const GradeSummary = () => {
       <GradeSummaryTable setAllOfSomeAssignmentTypeIsLocked={setAllOfSomeAssignmentTypeIsLocked} />
     </section>
   );
-};
+}
 
 export default GradeSummary;

src/course-home/progress-tab/grades/grade-summary/GradeSummaryHeader.jsx

@@ -11,7 +11,7 @@ import { Blocked, InfoOutline } from '@edx/paragon/icons';
 import messages from '../messages';
 import { useModel } from '../../../../generic/model-store';
 
-const GradeSummaryHeader = ({ intl, allOfSomeAssignmentTypeIsLocked }) => {
+function GradeSummaryHeader({ intl, allOfSomeAssignmentTypeIsLocked }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -54,7 +54,7 @@ const GradeSummaryHeader = ({ intl, allOfSomeAssignmentTypeIsLocked }) => {
       )}
     </div>
   );
-};
+}
 
 GradeSummaryHeader.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/grade-summary/GradeSummaryTable.jsx

@@ -14,7 +14,7 @@ import GradeSummaryTableFooter from './GradeSummaryTableFooter';
 
 import messages from '../messages';
 
-const GradeSummaryTable = ({ intl, setAllOfSomeAssignmentTypeIsLocked }) => {
+function GradeSummaryTable({ intl, setAllOfSomeAssignmentTypeIsLocked }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -79,16 +79,6 @@ const GradeSummaryTable = ({ intl, setAllOfSomeAssignmentTypeIsLocked }) => {
       weightedGrade: { weightedGrade: `${(assignment.weightedGrade * 100).toFixed(0)}${isLocaleRtl ? '\u200f' : ''}%`, locked },
     };
   });
-  const getAssignmentTypeCell = (value) => (
-    <AssignmentTypeCell
-      assignmentType={value.type} // eslint-disable-line react/prop-types
-      footnoteId={value.footnoteId} // eslint-disable-line react/prop-types
-      footnoteMarker={value.footnoteMarker} // eslint-disable-line react/prop-types
-      locked={value.locked} // eslint-disable-line react/prop-types
-    />
-  );
-
-  const getCell = (locked, value) => <span className={locked ? 'greyed-out' : ''}>{value}</span>;
 
   return (
     <>
@@ -99,28 +89,45 @@ const GradeSummaryTable = ({ intl, setAllOfSomeAssignmentTypeIsLocked }) => {
           {
             Header: `${intl.formatMessage(messages.assignmentType)}`,
             accessor: 'type',
-            Cell: ({ value }) => getAssignmentTypeCell(value),
+            // eslint-disable-next-line react/prop-types
+            Cell: ({ value }) => (
+              <AssignmentTypeCell
+                assignmentType={value.type} // eslint-disable-line react/prop-types
+                footnoteId={value.footnoteId} // eslint-disable-line react/prop-types
+                footnoteMarker={value.footnoteMarker} // eslint-disable-line react/prop-types
+                locked={value.locked} // eslint-disable-line react/prop-types
+              />
+            ),
             headerClassName: 'h5 mb-0',
           },
           {
             Header: `${intl.formatMessage(messages.weight)}`,
             accessor: 'weight',
             headerClassName: 'justify-content-end h5 mb-0',
-            Cell: ({ value }) => getCell(value.locked, value.weight),
+            // eslint-disable-next-line react/prop-types
+            Cell: ({ value }) => (
+              <span className={value.locked ? 'greyed-out' : ''}>{value.weight}</span> // eslint-disable-line react/prop-types
+            ),
             cellClassName: 'text-right small',
           },
           {
             Header: `${intl.formatMessage(messages.grade)}`,
             accessor: 'grade',
             headerClassName: 'justify-content-end h5 mb-0',
-            Cell: ({ value }) => getCell(value.locked, value.grade),
+            // eslint-disable-next-line react/prop-types
+            Cell: ({ value }) => (
+              <span className={value.locked ? 'greyed-out' : ''}>{value.grade}</span> // eslint-disable-line react/prop-types
+            ),
             cellClassName: 'text-right small',
           },
           {
             Header: `${intl.formatMessage(messages.weightedGrade)}`,
             accessor: 'weightedGrade',
             headerClassName: 'justify-content-end h5 mb-0 text-right',
-            Cell: ({ value }) => getCell(value.locked, value.weightedGrade),
+            // eslint-disable-next-line react/prop-types
+            Cell: ({ value }) => (
+              <span className={value.locked ? 'greyed-out' : ''}>{value.weightedGrade}</span> // eslint-disable-line react/prop-types
+            ),
             cellClassName: 'text-right font-weight-bold small',
           },
         ]}
@@ -134,7 +141,7 @@ const GradeSummaryTable = ({ intl, setAllOfSomeAssignmentTypeIsLocked }) => {
       )}
     </>
   );
-};
+}
 
 GradeSummaryTable.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/grades/grade-summary/GradeSummaryTableFooter.jsx

@@ -9,7 +9,7 @@ import { useModel } from '../../../../generic/model-store';
 
 import messages from '../messages';
 
-const GradeSummaryTableFooter = ({ intl }) => {
+function GradeSummaryTableFooter({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -34,7 +34,7 @@ const GradeSummaryTableFooter = ({ intl }) => {
       </div>
     </DataTable.TableFooter>
   );
-};
+}
 
 GradeSummaryTableFooter.propTypes = {
   intl: intlShape.isRequired,

src/course-home/progress-tab/related-links/RelatedLinks.jsx

@@ -9,7 +9,7 @@ import { Hyperlink } from '@edx/paragon';
 import messages from './messages';
 import { useModel } from '../../../generic/model-store';
 
-const RelatedLinks = ({ intl }) => {
+function RelatedLinks({ intl }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -56,7 +56,7 @@ const RelatedLinks = ({ intl }) => {
       </ul>
     </section>
   );
-};
+}
 
 RelatedLinks.propTypes = {
   intl: intlShape.isRequired,

src/course-home/suggested-schedule-messaging/ShiftDatesAlert.jsx

@@ -14,7 +14,7 @@ import { resetDeadlines } from '../data';
 import { useModel } from '../../generic/model-store';
 import messages from './messages';
 
-const ShiftDatesAlert = ({ fetch, intl, model }) => {
+function ShiftDatesAlert({ fetch, intl, model }) {
   const {
     courseId,
   } = useSelector(state => state.courseHome);
@@ -29,12 +29,12 @@ const ShiftDatesAlert = ({ fetch, intl, model }) => {
     missedGatedContent,
   } = datesBannerInfo;
 
-  const dispatch = useDispatch();
-
   if (!missedDeadlines || missedGatedContent || hasEnded) {
     return null;
   }
 
+  const dispatch = useDispatch();
+
   return (
     <Alert variant="warning">
       <Row className="w-100 m-0">
@@ -55,7 +55,7 @@ const ShiftDatesAlert = ({ fetch, intl, model }) => {
       </Row>
     </Alert>
   );
-};
+}
 
 ShiftDatesAlert.propTypes = {
   fetch: PropTypes.func.isRequired,