fix(deps): update dependency @edx/frontend-platform to v1.11.1

PurgeCSS doesn’t work with the latest version of PostCSS, far as I can tell.  It ends up removing too many classes.  It has always been sort of problematic and we only use it in a few MFEs, so I think it’s time for it to go.

README.rst

@@ -49,13 +49,6 @@ This MFE is configured via node environment variables supplied at build time. Se
 For more information see the document: `Micro-frontend applications in Open
 edX <https://edx.readthedocs.io/projects/edx-developer-docs/en/latest/micro-frontends-in-open-edx.html>`__.
 
-----------
-
-Notes
------
-
-The production Webpack configuration for this repo uses `Purgecss <https://www.purgecss.com/>`__ to remove unused CSS from the production css file. In ``webpack.prod.config.js`` the Purgecss plugin is configured to scan directories to determine what css selectors should remain. Currently the src/ directory is scanned along with all ``@edx/frontend-component*`` node modules and ``@edx/paragon``. **If you add and use a component in this repo that relies on HTML classes or ids for styling you must add it to the Purgecss configuration or it will be unstyled in the production build.**
-
 .. |Build Status| image:: https://api.travis-ci.org/edx/frontend-app-profile.svg?branch=master
    :target: https://travis-ci.org/edx/frontend-app-profile
 .. |Codecov| image:: https://img.shields.io/codecov/c/github/edx/frontend-app-profile

package-lock.json

@@ -1857,9 +1857,9 @@
       "dev": true
     },
     "@edx/frontend-build": {
-      "version": "7.0.3",
-      "resolved": "https://registry.npmjs.org/@edx/frontend-build/-/frontend-build-7.0.3.tgz",
-      "integrity": "sha512-OWuHO4OOIB8FQsvwfzcmps/wleFMeeudac06u9qY+lmGhBsg+u38fiq4UjVV9VsRaSwlRSK10/Nsli1QivbU0A==",
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/@edx/frontend-build/-/frontend-build-7.0.6.tgz",
+      "integrity": "sha512-EdnKoa75F2dhVtNyAEyBL9Cvdk0Kif2rl48w1FHqBTk/gUATJvgGo5mIaRKy8h8Cv1tpZDEmtcaqIv3WocR3iw==",
       "dev": true,
       "requires": {
         "@babel/cli": "7.10.5",
@@ -1879,7 +1879,7 @@
         "babel-plugin-transform-imports": "2.0.0",
         "babel-polyfill": "6.26.0",
         "clean-webpack-plugin": "3.0.0",
-        "css-loader": "5.2.6",
+        "css-loader": "5.2.7",
         "cssnano": "5.0.6",
         "dotenv": "8.2.0",
         "dotenv-webpack": "7.0.3",
@@ -1907,9 +1907,9 @@
         "source-map-loader": "0.2.4",
         "style-loader": "2.0.0",
         "url-loader": "4.1.1",
-        "webpack": "5.21.2",
+        "webpack": "5.44.0",
         "webpack-bundle-analyzer": "3.9.0",
-        "webpack-cli": "4.5.0",
+        "webpack-cli": "4.7.2",
         "webpack-dev-server": "4.0.0-beta.3",
         "webpack-merge": "5.2.0"
       }
@@ -1984,20 +1984,20 @@
       }
     },
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-      "resolved": "https://registry.npmjs.org/@edx/frontend-platform/-/frontend-platform-1.11.0.tgz",
-      "integrity": "sha512-XtqKPWUvXzPJLlIEsoLMuac3TvTtAe1GY9MKu1QQsZDget1plDZqaf3ByRbuxOW8b2g2JVPvFx+Jm3FxTcrmIQ==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@edx/frontend-platform/-/frontend-platform-1.11.1.tgz",
+      "integrity": "sha512-6EQ+dKeyr9L9FVytsx06lRkcCjc2KseNnl2XfxwzCGfhkZaZAzqYXCq1lnrDhggSbyEXN0uaa8u3u1RzHG65Mw==",
       "requires": {
         "@cospired/i18n-iso-languages": "2.2.0",
         "axios": "0.21.1",
-        "axios-cache-adapter": "^2.5.0",
+        "axios-cache-adapter": "2.7.3",
         "form-urlencoded": "4.1.4",
         "glob": "7.1.7",
         "history": "4.10.1",
         "i18n-iso-countries": "4.3.1",
         "jwt-decode": "2.2.0",
-        "localforage": "^1.9.0",
-        "localforage-memoryStorageDriver": "^0.9.2",
+        "localforage": "1.9.0",
+        "localforage-memoryStorageDriver": "0.9.2",
         "lodash.camelcase": "4.3.0",
         "lodash.memoize": "4.1.2",
         "lodash.merge": "4.6.2",
@@ -3411,9 +3411,9 @@
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     "@types/eslint": {
-      "version": "7.2.14",
-      "resolved": "https://registry.npmjs.org/@types/eslint/-/eslint-7.2.14.tgz",
-      "integrity": "sha512-pESyhSbUOskqrGcaN+bCXIQDyT5zTaRWfj5ZjjSlMatgGjIn3QQPfocAu4WSabUR7CGyLZ2CQaZyISOEX7/saw==",
+      "version": "7.28.0",
+      "resolved": "https://registry.npmjs.org/@types/eslint/-/eslint-7.28.0.tgz",
+      "integrity": "sha512-07XlgzX0YJUn4iG1ocY4IX9DzKSmMGUs6ESKlxWhZRaa0fatIWaHWUVapcuGa8r5HFnTqzj+4OCjd5f7EZ/i/A==",
       "dev": true,
       "requires": {
         "@types/estree": "*",
@@ -3431,9 +3431,9 @@
       }
     },
     "@types/estree": {
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-      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.46.tgz",
-      "integrity": "sha512-laIjwTQaD+5DukBZaygQ79K1Z0jb1bPEMRrkXSLjtCcZm+abyp5YbrqpSLzD42FwWW6gK/aS4NYpJ804nG2brg==",
+      "version": "0.0.50",
+      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.50.tgz",
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       "dev": true
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     "@types/fs-extra": {
@@ -3536,9 +3536,9 @@
       "dev": true
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-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.0.1.tgz",
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@@ -3716,148 +3716,148 @@
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       "dev": true,
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package.json

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     "@commitlint/config-angular": "12.1.4",
-    "@edx/frontend-build": "7.0.3",
+    "@edx/frontend-build": "7.0.6",
     "codecov": "3.8.2",
     "enzyme": "3.11.0",
     "enzyme-adapter-react-16": "1.15.6",
     "es-check": "5.2.4",
     "glob": "7.1.7",
     "husky": "6.0.0",
-    "purgecss-webpack-plugin": "4.0.3",
     "react-test-renderer": "16.14.0",
     "reactifex": "1.1.1",
     "redux-mock-store": "1.5.4"

webpack.prod.config.js

@@ -1,21 +0,0 @@
-const glob = require('glob');
-const PurgecssPlugin = require('purgecss-webpack-plugin');
-const { createConfig } = require('@edx/frontend-build');
-
-module.exports = createConfig('webpack-prod', {
-  plugins: [
-    // Scan files for class names and ids and remove unused css
-    new PurgecssPlugin({
-      paths: [].concat(
-        // Scan files in this app
-        glob.sync('src/**/*', { nodir: true }),
-        // Scan files in any edx frontend-component
-        glob.sync('node_modules/@edx/frontend-component*/**/*', { nodir: true }),
-        // Scan files in paragon
-        glob.sync('node_modules/@edx/paragon/**/*', { nodir: true }),
-      ),
-      // Protect react-css-transition class names
-      safelist: [/-enter/, /-appear/, /-exit/],
-    }),
-  ],
-});