Drop support for Node.js 18, add support for Node.js 24 (#565)

Author: paescuj

.github/actions/setup/action.yml

@@ -4,7 +4,6 @@ description: Setup the environment for the project
 inputs:
   node-version:
     description: Node.js version
-    default: '22'
     required: false
   node-registry:
     description: Node.js package registry to set up for auth
@@ -16,6 +15,7 @@ runs:
     - name: Install Node.js
       uses: actions/setup-node@v4
       with:
+        node-version-file: ${{ !inputs.node-version && '.node-version' || '' }}
         node-version: ${{ inputs.node-version }}
         registry-url: ${{ inputs.node-registry }}
 

.github/workflows/test.yml

@@ -30,9 +30,9 @@ jobs:
       fail-fast: false
       matrix:
         node:
-          - 18
           - 20
           - 22
+          - 24
         os:
           - name: Ubuntu
             version: ubuntu-latest

.node-version

@@ -0,0 +1 @@
+22

declarations/intl.d.ts

@@ -1,6 +1,7 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 // TODO: Delete this file once Typescript has added these.
 declare namespace Intl {
+    // https://github.com/tc39/ecma402/pull/351
     interface DateTimeFormatPartTypesRegistry {
         yearName: any;
         relatedYear: any;
@@ -17,5 +18,6 @@ declare namespace Intl {
 
     interface Locale {
         readonly weekInfo: WeekInfo;
+        getWeekInfo?(): WeekInfo;
     }
 }

eslint.config.mjs

@@ -17,7 +17,7 @@ export default defineConfig(
             globals: {
                 ...globals.node,
             },
-            ecmaVersion: 2022,
+            ecmaVersion: 2023,
             sourceType: 'commonjs',
         },
     },

package.json

@@ -11,7 +11,7 @@
     "conc": "./dist/bin/concurrently.js"
   },
   "engines": {
-    "node": ">=18"
+    "node": ">=20"
   },
   "exports": {
     ".": {
@@ -64,9 +64,9 @@
     "yargs": "17.7.2"
   },
   "devDependencies": {
-    "@eslint/js": "^9.33.0",
+    "@eslint/js": "^9.34.0",
     "@hirez_io/observer-spy": "^2.2.0",
-    "@types/node": "^18.19.123",
+    "@types/node": "^20.19.17",
     "@types/shell-quote": "^1.7.5",
     "@types/supports-color": "^8.1.3",
     "@types/yargs": "^17.0.33",
@@ -75,15 +75,15 @@
     "coveralls-next": "^5.0.0",
     "ctrlc-wrapper": "^0.0.5",
     "esbuild": "~0.25.9",
-    "eslint": "^9.33.0",
+    "eslint": "^9.34.0",
     "eslint-config-flat-gitignore": "^2.1.0",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-import-lite": "^0.3.0",
     "eslint-plugin-prettier": "^5.5.4",
     "eslint-plugin-simple-import-sort": "^12.1.1",
     "globals": "16.3.0",
     "husky": "^9.1.7",
-    "lint-staged": "^15.5.2",
+    "lint-staged": "^16.1.5",
     "prettier": "^3.6.2",
     "safe-publish-latest": "^2.0.0",
     "string-argv": "^0.3.2",