⚡ Support versioned nodes

packages/cli/src/TranslationHelpers.ts

@@ -1,8 +1,39 @@
 import { join, dirname } from 'path';
+import { readdir } from 'fs/promises';
+import { Dirent } from 'fs';
 
-/**
- * Retrieve the path to the translation file for a node.
- */
-export function getTranslationPath(nodeSourcePath: string, language: string): string {
-	return join(dirname(nodeSourcePath), 'translations', `${language}.js`);
+const ALLOWED_VERSIONED_DIRNAME_LENGTH = [2, 3]; // v1, v10
+
+function isVersionedDirname(dirent: Dirent) {
+	if (!dirent.isDirectory()) return false;
+
+	return (
+		ALLOWED_VERSIONED_DIRNAME_LENGTH.includes(dirent.name.length) &&
+		dirent.name.toLowerCase().startsWith('v')
+	);
+}
+
+async function getMaxVersion(from: string) {
+	const entries = await readdir(from, { withFileTypes: true });
+
+	const dirnames = entries.reduce<string[]>((acc, cur) => {
+		if (isVersionedDirname(cur)) acc.push(cur.name);
+		return acc;
+	}, []);
+
+	if (!dirnames.length) return null;
+
+	return Math.max(...dirnames.map((d) => parseInt(d.charAt(1), 10)));
+}
+
+export async function getExpectedNodeTranslationPath(
+	nodeSourcePath: string,
+	language: string,
+): Promise<string> {
+	const nodeDir = dirname(nodeSourcePath);
+	const maxVersion = await getMaxVersion(nodeDir);
+
+	return maxVersion
+		? join(nodeDir, `v${maxVersion}`, 'translations', `${language}.js`)
+		: join(nodeDir, 'translations', `${language}.js`);
 }