chore: skip angular@20 on not supported node versions

Author: pieh

package.json

@@ -48,7 +48,7 @@
     "format:check:prettier": "cross-env-shell prettier --check $npm_package_config_prettier",
     "format:fix:prettier": "cross-env-shell prettier --write $npm_package_config_prettier",
     "prepublishOnly": "npm ci && npm test",
-    "pretest:demo": "cd demo && npm ci && netlify build --cwd . --offline",
+    "pretest:demo": "semver -r \"<20.11\" \"$(node -v)\" && echo \"Skipping on not supported node version (needed: >=20.11, got: $(node -v))\" || cd demo && npm ci && netlify build --cwd . --offline",
     "pretest:fixtures": "run-s pretest:fixtures:*",
     "pretest:fixtures:non-angular-project": "cd tests/fixtures/non-angular-project && npm ci",
     "pretest:fixtures:missing-angular-deps": "cd tests/fixtures/missing-angular-deps && npm ci",
@@ -60,8 +60,8 @@
     "pretest:fixtures:angular-19-app-engine": "cd tests/fixtures/angular-19-app-engine && npm ci",
     "pretest:fixtures:angular-19-app-engine-node-module-resolution": "cd tests/fixtures/angular-19-app-engine-node-module-resolution && npm ci",
     "pretest:fixtures:angular-19-prerender-false": "cd tests/fixtures/angular-19-prerender-false && npm ci",
-    "pretest:fixtures:angular-20": "cd tests/fixtures/angular-20 && npm ci",
-    "pretest:fixtures:angular-20-zoneless": "cd tests/fixtures/angular-20-zoneless && npm ci",
+    "pretest:fixtures:angular-20": "semver -r \"<20.11\" \"$(node -v)\" && echo \"Skipping on not supported node version (needed: >=20.11, got: $(node -v))\" || cd tests/fixtures/angular-20 && npm ci",
+    "pretest:fixtures:angular-20-zoneless": "semver -r \"<20.11\" \"$(node -v)\" && echo \"Skipping on not supported node version (needed: >=20.11, got: $(node -v))\" || cd tests/fixtures/angular-20-zoneless && npm ci",
     "pretest:fixtures:nx-angular-19-common-engine": "cd tests/fixtures/nx-angular-19-common-engine && npm ci",
     "pretest:fixtures:nx-angular-19-app-engine": "cd tests/fixtures/nx-angular-19-app-engine && npm ci",
     "pretest": "run-s pretest:*",

tests/integration.test.mjs

@@ -1,10 +1,12 @@
 import assert from 'node:assert'
 import { join } from 'node:path'
 import { join as posixJoin } from 'node:path/posix'
+import { versions } from 'node:process'
 import { test, describe } from 'node:test'
 import { fileURLToPath } from 'node:url'
 
 import build from '@netlify/build'
+import { satisfies } from 'semver'
 
 import { getAngularVersion } from '../src/helpers/getPackageVersion.js'
 import validateAngularVersion from '../src/helpers/validateAngularVersion.js'
@@ -122,31 +124,49 @@ test('Angular 19 in an NX workspace using App Engine (Developer Preview)', async
   assert.deepEqual(success, true)
 })
 
-test('Angular 20', async () => {
-  const { severityCode, success } = await build({
-    repositoryRoot: fileURLToPath(new URL('fixtures/angular-20', import.meta.url)),
-  })
-
-  assert.deepEqual(severityCode, 0)
-  assert.deepEqual(success, true)
-})
-
-test('Angular 20 Zoneless (Developer Preview)', async () => {
-  const { severityCode, success } = await build({
-    repositoryRoot: fileURLToPath(new URL('fixtures/angular-20-zoneless', import.meta.url)),
-  })
-
-  assert.deepEqual(severityCode, 0)
-  assert.deepEqual(success, true)
-})
+test(
+  'Angular 20',
+  {
+    skip: !satisfies(versions.node, '>=20.11'),
+  },
+  async () => {
+    const { severityCode, success } = await build({
+      repositoryRoot: fileURLToPath(new URL('fixtures/angular-20', import.meta.url)),
+    })
+
+    assert.deepEqual(severityCode, 0)
+    assert.deepEqual(success, true)
+  },
+)
+
+test(
+  'Angular 20 Zoneless (Developer Preview)',
+  {
+    skip: !satisfies(versions.node, '>=20.11'),
+  },
+  async () => {
+    const { severityCode, success } = await build({
+      repositoryRoot: fileURLToPath(new URL('fixtures/angular-20-zoneless', import.meta.url)),
+    })
+
+    assert.deepEqual(severityCode, 0)
+    assert.deepEqual(success, true)
+  },
+)
 
 describe('Angular version validation', () => {
-  test('checks version for angular 20', async () => {
-    const result = validateAngularVersion(
-      await getAngularVersion(fileURLToPath(new URL('fixtures/angular-20', import.meta.url))),
-    )
-    assert.strictEqual(result, true)
-  })
+  test(
+    'checks version for angular 20',
+    {
+      skip: !satisfies(versions.node, '>=20.11'),
+    },
+    async () => {
+      const result = validateAngularVersion(
+        await getAngularVersion(fileURLToPath(new URL('fixtures/angular-20', import.meta.url))),
+      )
+      assert.strictEqual(result, true)
+    },
+  )
 
   test('checks version for angular 19', async () => {
     const result = validateAngularVersion(