Drop support for Node.js <20.19.0 (#522)

* Initial plan

* Update Node.js version requirements and add changeset

Co-authored-by: ota-meshi <16508807+ota-meshi@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: ota-meshi <16508807+ota-meshi@users.noreply.github.com>
Co-authored-by: Yosuke Ota <otameshiyo23@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 3 people

.changeset/drop-older-node-versions.md

@@ -0,0 +1,5 @@
+---
+"eslint-plugin-yml": major
+---
+
+Drop support for Node.js versions older than 20.19.0. The new supported version is `^20.19.0 || ^22.13.0 || >=24`.

.github/workflows/NodeCI.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18.x, 20.x]
+        node-version: [20.x, 22.x, 24.x]
     steps:
       - uses: actions/checkout@v6
       - name: Use Node.js ${{ matrix.node-version }}
@@ -33,22 +33,6 @@ jobs:
         run: npm install
       - name: Test
         run: npm test
-  test-with-eslint8:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [14.x, 16.x]
-    steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v4
-        name: Use Node.js ${{ matrix.node-version }}
-      - name: Install Target Packages
-        run: |+
-          npm i -D eslint@^8
-          npx rimraf node_modules
-          npm install
-      - name: Test
-        run: npm test
   test-with-eslint6:
     runs-on: ubuntu-latest
     steps:

README.md

@@ -54,7 +54,7 @@ npm install --save-dev eslint eslint-plugin-yml
 > **Requirements**
 >
 > - ESLint v6.0.0 and above
-> - Node.js v14.17.x, v16.x and above
+> - Node.js v20.19.0 or higher (in the 20.x line), v22.13.0 or higher (in the 22.x line), or v24.0.0 and above
 
 <!--DOCS_IGNORE_END-->
 

docs/user-guide/index.md

@@ -9,7 +9,7 @@ npm install --save-dev eslint eslint-plugin-yml
 ::: tip Requirements
 
 - ESLint v6.0.0 and above
-- Node.js v14.17.x, v16.x and above
+- Node.js v20.19.0 or higher (in the 20.x line), v22.13.0 or higher (in the 22.x line), or v24.0.0 and above
 
 :::
 

package.json

@@ -7,7 +7,7 @@
     "lib"
   ],
   "engines": {
-    "node": "^14.17.0 || >=16.0.0"
+    "node": "^20.19.0 || ^22.13.0 || >=24.0.0"
   },
   "scripts": {
     "prebuild": "npm run -s clean",