feat: drop node 18, support node 22

Author: jlp-craigmorten

.github/workflows/test.yml

@@ -7,23 +7,23 @@ on:
     branches: [main]
 
 jobs:
-  test-node-18:
+  test-node-20:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
       - run: yarn install --frozen-lockfile
       - run: yarn ci
 
-  test-node-20:
+  test-node-22:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
       - run: yarn install --frozen-lockfile
       - run: yarn ci
 
@@ -33,7 +33,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
       - run: yarn install --frozen-lockfile
       - run: yarn install --frozen-lockfile
         working-directory: ./examples/commonjs
@@ -46,7 +46,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
       - run: yarn install --frozen-lockfile
       - run: yarn install --frozen-lockfile
         working-directory: ./examples/typescript-bundler
@@ -59,7 +59,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
       - run: yarn install --frozen-lockfile
       - run: yarn install --frozen-lockfile
         working-directory: ./examples/typescript-legacy
@@ -72,7 +72,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
       - run: yarn install --frozen-lockfile
       - run: yarn install --frozen-lockfile
         working-directory: ./examples/typescript-nodenext
@@ -85,7 +85,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
       - run: yarn install --frozen-lockfile
       - run: yarn install --frozen-lockfile
         working-directory: ./examples/vue
@@ -98,7 +98,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
       - run: yarn install --frozen-lockfile
       - run: yarn install --frozen-lockfile
         working-directory: ./examples/web-test-runner
@@ -113,7 +113,7 @@ jobs:
           submodules: recursive
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
       - uses: actions/setup-python@v5
         with:
           # REF: https://github.com/web-platform-tests/wpt/issues/44427

.nvmrc

@@ -1 +1 @@
-20
+22

package.json

@@ -19,6 +19,9 @@
     "a11y",
     "guidepup"
   ],
+  "engines": {
+    "node": ">=20"
+  },
   "main": "./lib/cjs/index.js",
   "types": "./lib/cjs/index.d.ts",
   "module": "./lib/esm/index.legacy-esm.js",