refactor!: require Node.js LTS 18

BREAKING CHANGE: Removed support for Node.js 12.
BREAKING CHANGE: Removed support for Node.js 14.
BREAKING CHANGE: Removed support for Node.js 16.
BREAKING CHANGE: Node.js LTS 18 (^18.12.0) is now required.

.github/workflows/test.yml

@@ -37,9 +37,6 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
-          - lts/erbium # 12
-          - lts/fermium # 14
-          - lts/gallium # 16
           - lts/hydrogen # 18
           - current
 
@@ -53,8 +50,6 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache: 'npm'
           check-latest: true
-      - run: npm install --global npm@8
-        if: ${{ startsWith(steps.node.outputs.node-version, 'v12') || startsWith(steps.node.outputs.node-version, 'v14') }}
       - run: npm clean-install
       - run: npm run ci
 

lib/provider.js

@@ -1,7 +1,7 @@
 // eslint-disable-next-line import/order
 const attention = require('./helpers/attention');
 
-const minimal = 'Erbium';
+const minimal = 'Hydrogen';
 const current = process.release.lts;
 if (!current || current.charCodeAt(0) < minimal.charCodeAt(0)) {
   attention.warn('Unsupported Node.js runtime version.');

package.json

@@ -103,6 +103,6 @@
     "timekeeper": "^2.2.0"
   },
   "engines": {
-    "node": "12 || 14 || 16 || 18"
+    "node": "18"
   }
 }

test/ci.js

@@ -33,17 +33,7 @@ function pass({ mountTo, mountVia } = {}) {
 
   if (process.platform === 'linux' || !('CI' in process.env)) {
     const mountTo = '/oidc';
-    const frameworks = ['connect', 'express', 'koa'];
-
-    const [major] = process.version.slice(1).split('.').map((x) => parseInt(x, 10));
-
-    if (major >= 12) {
-      frameworks.push('hapi');
-    }
-
-    if (major >= 14) {
-      frameworks.push('fastify');
-    }
+    const frameworks = ['connect', 'express', 'koa', 'hapi', 'fastify'];
 
     for (const mountVia of frameworks) {
       await pass({ mountVia, mountTo });