Drop EOL Node 16

Changing the End-of-Life Date for Node.js 16 to September 11th, 2023
https://nodejs.org/en/blog/announcements/nodejs16-eol

.github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
             path: 'node-red.github.io'
       - uses: actions/setup-node@v1
         with:
-            node-version: '16'
+            node-version: '18'
       - run: node ./node-red/.github/scripts/update-node-red-docker.js
       - name: Create Docker Pull Request
         uses: peter-evans/create-pull-request@v2

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [16, 18]
+        node-version: [18]
     steps:
     - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
@@ -30,7 +30,7 @@ jobs:
       run: |
         npm run test
     # - name: Publish to coveralls.io
-    #   if: ${{ matrix.node-version == 16 }}
+    #   if: ${{ matrix.node-version == 18 }}
     #   uses: coverallsapp/github-action@v1.1.2
     #   with:
     #     github-token: ${{ github.token }}

package.json

@@ -122,6 +122,6 @@
         "supertest": "6.3.3"
     },
     "engines": {
-        "node": ">=16"
+        "node": ">=18"
     }
 }

packages/node_modules/node-red/lib/red.js

@@ -33,7 +33,7 @@ if (NODE_MAJOR_VERSION > 14) {
 
 function checkVersion(userSettings) {
     var semver = require('semver');
-    if (!semver.satisfies(process.version,">=16.0.0")) {
+    if (!semver.satisfies(process.version,">=18.0.0")) {
         // TODO: in the future, make this a hard error.
         // var e = new Error("Unsupported version of Node.js");
         // e.code = "unsupported_version";

packages/node_modules/node-red/package.json

@@ -47,6 +47,6 @@
         "bcrypt": "5.1.0"
     },
     "engines": {
-        "node": ">=16"
+        "node": ">=18"
     }
 }

packages/node_modules/node-red/red.js

@@ -346,7 +346,7 @@ httpsPromise.then(function(startupHttps) {
     } catch(err) {
         if (err.code == "unsupported_version") {
             console.log("Unsupported version of Node.js:",process.version);
-            console.log("Node-RED requires Node.js v16 or later");
+            console.log("Node-RED requires Node.js v18 or later");
         } else {
             console.log("Failed to start server:");
             if (err.stack) {

test/unit/@node-red/registry/lib/resources/nodesDir2/theme-plugin2/package.json

@@ -19,6 +19,6 @@
         }
     },
     "engines": {
-        "node": ">=16"
+        "node": ">=18"
     }
 }