Update frontend to Node 18 (#861)

Using v18.18.1 because GitHub Actions uses v18.18.0 at the moment, and it is prone to a bug in webpack: nodejs/node#49911 (comment)

.github/workflows/deployment.yml

@@ -32,8 +32,9 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
-          # Using node version from functions because it's more likely to be the freshest
-          node-version-file: functions/package.json
+          # Using node version from frontend because it's more sensitive in this regard
+          # See https://github.com/nodejs/node/issues/49911#issuecomment-1756119733
+          node-version-file: frontend/package.json
           cache: npm
           cache-dependency-path: |
             functions/package-lock.json

.renovaterc.json

@@ -16,12 +16,5 @@
   "vulnerabilityAlerts": {
     "schedule": ["at any time"],
     "dependencyDashboardApproval": false
-  },
-  "packageRules": [
-    {
-      "matchFileNames": ["frontend/**"],
-      "matchCategories": ["node"],
-      "enabled": false
-    }
-  ]
+  }
 }

frontend/package.json

@@ -12,7 +12,7 @@
     "test:unit": "npm run test"
   },
   "engines": {
-    "node": "16"
+    "node": "18.18.1"
   },
   "dependencies": {
     "@casl/ability": "4.1.6",

frontend/vue.config.js

@@ -1,3 +1,23 @@
+const crypto = require('crypto');
+
+/**
+ * The MD4 algorithm is not available anymore in Node.js 17+ (because of library SSL 3).
+ * In that case, silently replace MD4 by the MD5 algorithm.
+ * From https://stackoverflow.com/a/72219174/3082178.
+ * Just setting webpack's `output.hashFunction` is not enough,
+ * something else is using MD4 (see https://stackoverflow.com/questions/69692842/error-message-error0308010cdigital-envelope-routinesunsupported/73465262#comment131441027_73465262).
+ */
+try {
+  crypto.createHash('md4');
+} catch (e) {
+  console.warn(
+    'Crypto "MD4" is not supported anymore by this Node.js version. Using MD5 instead.'
+  );
+  const origCreateHash = crypto.createHash;
+  crypto.createHash = (alg, opts) =>
+    origCreateHash(alg === 'md4' ? 'md5' : alg, opts);
+}
+
 module.exports = {
   chainWebpack: (config) => {
     config.plugins.delete('prefetch');