feat: drop node 20 support (#15864)

Author: florian-lefebvre

.changeset/proud-apples-eat.md

@@ -0,0 +1,14 @@
+---
+'@astrojs/markdoc': patch
+'@astrojs/preact': patch
+'@astrojs/svelte': patch
+'@astrojs/react': patch
+'@astrojs/solid-js': patch
+'@astrojs/mdx': patch
+'create-astro': patch
+'@astrojs/prism': patch
+'@astrojs/upgrade': patch
+'astro': patch
+---
+
+Removes temporary support for Node >=20.19.1 because Stackblitz now uses Node 22 by default 

packages/astro-prism/package.json

@@ -39,6 +39,6 @@
     "astro-scripts": "workspace:*"
   },
   "engines": {
-    "node": "^20.19.1 || >=22.12.0"
+    "node": ">=22.12.0"
   }
 }

packages/astro/bin/astro.mjs

@@ -8,12 +8,9 @@ const CI_INSTRUCTIONS = {
 	VERCEL: 'https://vercel.com/docs/runtimes#official-runtimes/node-js/node-js-version',
 };
 
-// TODO: remove once Stackblitz supports Node 22
-const IS_STACKBLITZ = !!process.versions.webcontainer;
-
 // Hardcode supported Node.js version so we don't have to read differently in CJS & ESM.
-const engines = IS_STACKBLITZ ? '>=20.19.1' : '>=22.12.0';
-const skipSemverCheckIfAbove = IS_STACKBLITZ ? 21 : 23;
+const engines = '>=22.12.0';
+const skipSemverCheckIfAbove = 23;
 
 /** `astro *` */
 async function main() {

packages/astro/package.json

@@ -210,7 +210,7 @@
     "vitest": "^3.2.4"
   },
   "engines": {
-    "node": "^20.19.1 || >=22.12.0",
+    "node": ">=22.12.0",
     "npm": ">=9.6.5",
     "pnpm": ">=7.1.0"
   },

packages/create-astro/create-astro.mjs

@@ -4,9 +4,7 @@
 
 const currentVersion = process.versions.node;
 const requiredMajorVersion = Number.parseInt(currentVersion.split('.')[0], 10);
-// TODO: remove once Stackblitz supports Node 22
-const IS_STACKBLITZ = !!process.versions.webcontainer;
-const minimumMajorVersion = IS_STACKBLITZ ? 20 : 22;
+const minimumMajorVersion = 22;
 
 if (requiredMajorVersion < minimumMajorVersion) {
 	console.error(`Node.js v${currentVersion} is out-of-date and unsupported!`);

packages/create-astro/package.json

@@ -40,7 +40,7 @@
     "astro-scripts": "workspace:*"
   },
   "engines": {
-    "node": "^20.19.1 || >=22.12.0"
+    "node": ">=22.12.0"
   },
   "publishConfig": {
     "provenance": true

packages/integrations/markdoc/package.json

@@ -82,7 +82,7 @@
     "vite": "^7.3.1"
   },
   "engines": {
-    "node": "^20.19.1 || >=22.12.0"
+    "node": ">=22.12.0"
   },
   "publishConfig": {
     "provenance": true

packages/integrations/mdx/package.json

@@ -73,7 +73,7 @@
     "vite": "^7.3.1"
   },
   "engines": {
-    "node": "^20.19.1 || >=22.12.0"
+    "node": ">=22.12.0"
   },
   "publishConfig": {
     "provenance": true

packages/integrations/preact/package.json

@@ -51,7 +51,7 @@
     "preact": "^10.6.5"
   },
   "engines": {
-    "node": "^20.19.1 || >=22.12.0"
+    "node": ">=22.12.0"
   },
   "publishConfig": {
     "provenance": true

packages/integrations/react/package.json

@@ -61,7 +61,7 @@
     "react-dom": "^17.0.2 || ^18.0.0 || ^19.0.0"
   },
   "engines": {
-    "node": "^20.19.1 || >=22.12.0"
+    "node": ">=22.12.0"
   },
   "publishConfig": {
     "provenance": true