chore!: drop support for Node 14 and 16

BREAKING_CHANGE: the minimum supported Node version is now 18

Changes:
- Updated Node.js versions in npmtest.yml, pages.yml, and
  release-please.yml.
- Updated .nvmrc to use Node.js v20.
- Updated package.json to require Node.js >=18.
- Updated shell.nix to use nixpkgs 24.05 and nodejs_20.

Author: alioguzhan

.github/workflows/npmtest.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node: [14, 16, 18]
+        node: [18, 20, 22]
         os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v1

.github/workflows/pages.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
           cache: 'yarn'
 
       - name: Install Dependencies

.github/workflows/release-please.yml

@@ -18,7 +18,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 16.x
+          node-version: 20.x
           registry-url: 'https://registry.npmjs.org'
           cache: 'yarn'
         if: ${{ steps.release.outputs.release_created }}

.nvmrc

@@ -1 +1 @@
-v16.16.0
+v20

package.json

@@ -17,7 +17,7 @@
   "main": "dist/index.min.js",
   "module": "dist/index.es.js",
   "engines": {
-    "node": ">=14"
+    "node": ">=18"
   },
   "files": [
     "dist"

shell.nix

@@ -1,11 +1,11 @@
-with import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/22.11.tar.gz") { };
+with import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/24.05.tar.gz") { };
 
 stdenv.mkDerivation {
   name = "react-editext";
 
   buildInputs = with pkgs; [
     git
-    nodejs
+    nodejs_20
     tmux
     yarn
   ];