fix: account for Node current releases with even majors when resolving @types/node version (#565)

* fix node types version resolver

* changeset

* fix

* format

Author: AdrianGonz97

.changeset/dull-pens-wash.md

@@ -0,0 +1,5 @@
+---
+'sv': patch
+---
+
+fix: account for Node `current` releases with even majors when resolving `@types/node` version

packages/addons/common.ts

@@ -85,13 +85,19 @@ export function addToDemoPage(content: string, path: string): string {
  */
 export function getNodeTypesVersion(): string {
 	const nodeVersion = process.versions.node;
+	const isDenoOrBun = Boolean(process.versions.deno ?? process.versions.bun);
 	const [major] = nodeVersion.split('.');
 
-	const isLTS = Number(major) % 2 === 0;
+	const majorNum = Number(major);
+	const isEvenMajor = majorNum % 2 === 0;
+	const isLTS = !!process.release.lts || (isDenoOrBun && isEvenMajor);
 	if (isLTS) {
 		return `^${major}`;
 	}
 
-	const previousLTSMajor = Number(major) - 1;
+	// It's possible for an even major number to _temporarily_ not
+	// be an `LTS` release (meaning `process.release.lts` is `undefined`) during it's `Current` stage.
+	// In those cases, we'll decrement the major by 2.
+	const previousLTSMajor = isEvenMajor ? majorNum - 2 : majorNum - 1;
 	return `^${previousLTSMajor}`;
 }