Enforce node version >= 22 for npm install

.github/workflows/test.yml

@@ -12,6 +12,10 @@ jobs:
     steps:
       - name: Checkout your repository using git
         uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
       - name: Install dependencies
         run: npm ci
       - name: Test
@@ -21,6 +25,10 @@ jobs:
     steps:
       - name: Checkout your repository using git
         uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
       - name: Install dependencies
         run: npm ci
       - name: Lint
@@ -30,6 +38,10 @@ jobs:
     steps:
       - name: Checkout your repository using git
         uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
       - name: Install dependencies
         run: npm ci
       - name: Typecheck
@@ -39,6 +51,10 @@ jobs:
     steps:
       - name: Checkout your repository using git
         uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
       - name: Install dependencies
         run: npm ci
       - name: Build

.npmrc

@@ -0,0 +1,2 @@
+# Force npm to fail (not just warn) if the node.js version in "engines" isn't met
+engine-strict=true

docs/technical_overview.md

@@ -4,7 +4,7 @@
 
 ### Setup
 
-1. Make sure you have [node and npm installed on your machine](https://nodejs.org/en/learn/getting-started/how-to-install-nodejs).
+1. Make sure you have [node (at least version 22) and npm installed on your machine](https://nodejs.org/en/learn/getting-started/how-to-install-nodejs).
 2. Clone this repo by typing git clone https://github.com/processing/p5.js-website/ in your terminal. (You can also use [GitHub Desktop](https://desktop.github.com/)).
 3. Then install the project's dependencies with:
 

package.json

@@ -19,6 +19,9 @@
     "custom:dev": "tsx ./src/scripts/branchTest.ts",
     "custom:cleanup": "tsx ./src/scripts/resetBranchTest.ts"
   },
+  "engines": {
+    "node": ">=22.0.0"
+  },
   "dependencies": {
     "@astrojs/check": "^0.9.6",
     "@astrojs/mdx": "^4.3.13",