drop node 18.x support

Author: mikesposito

.github/workflows/lint-build-test.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 22.x, 24.x]
+        node-version: [20.x, 22.x, 24.x]
     outputs:
       child-workspace-package-names: ${{ steps.workspace-package-names.outputs.child-workspace-package-names }}
     steps:
@@ -140,7 +140,7 @@ jobs:
     needs: prepare
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 22.x]
+        node-version: [20.x, 22.x]
         package-name: ${{ fromJson(needs.prepare.outputs.child-workspace-package-names) }}
     steps:
       - name: Checkout and setup environment

package.json

@@ -97,7 +97,7 @@
     "pre-push": "yarn lint"
   },
   "engines": {
-    "node": "^18.18 || >=20"
+    "node": ">=20"
   },
   "packageManager": "yarn@4.14.1",
   "lavamoat": {

packages/sample-snap/package.json

@@ -59,6 +59,6 @@
     "typescript": "~5.7.3"
   },
   "engines": {
-    "node": "^18.18 || >=20"
+    "node": ">=20"
   }
 }

yarn.config.cjs

@@ -294,8 +294,8 @@ module.exports = defineConfig({
         expectWorkspaceField(workspace, 'packageManager', 'yarn@4.14.1');
       }
 
-      // All packages must specify a minimum Node.js version of 18.18.
-      expectWorkspaceField(workspace, 'engines.node', '^18.18 || >=20');
+      // All packages must specify a minimum Node.js version of 20.
+      expectWorkspaceField(workspace, 'engines.node', '>=20');
 
       // All non-root public packages should be published to the NPM registry;
       // all non-root private packages should not.