feat: Change minimum version to nodejs 22, which is the oldest version still in maintenance.

Author: hessjcg

.github/workflows/tests.yml

@@ -30,7 +30,7 @@ jobs:
     name: Unit tests
     strategy:
       matrix:
-        node-version: [18, 20, 22]
+        node-version: [24, 26]
         os: [ubuntu-latest, macos-latest, windows-latest]
       fail-fast: false
 
@@ -108,7 +108,7 @@ jobs:
       (github.event.pull_request.head.repo.full_name == github.repository && github.actor != 'dependabot[bot]')
     strategy:
       matrix:
-        node-version: [18, 20, 22]
+        node-version: [24, 26]
         os: [ubuntu-latest, macos-latest, windows-latest]
       fail-fast: false
     permissions:
@@ -250,7 +250,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 22
+          node-version: 24
 
       - name: Install dependencies
         run: npm ci

.prettierrc.js

@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 module.exports = {
-  ...require('gts/.prettierrc.json')
-}
+  ...require('gts/.prettierrc.json'),
+};

build.sh

@@ -68,7 +68,7 @@ function lint() {
 
 ## deps - updates project dependencies to latest
 function deps() {
-  version=${1:-18}
+  version=${1:-24}
 
   # Use NVM
   if [[ ! -d "$NVM_DIR" ]] ; then
@@ -95,7 +95,7 @@ function deps() {
 function test_deps() {
   source "$HOME/.nvm/nvm.sh"
 
-  for v in 22 20 18 ; do
+  for v in 24 26 ; do
     echo
     echo "*"
     echo "* Running tests with node v$v"