Error on incompatible node version

.changeset/little-badgers-cover.md

@@ -0,0 +1,5 @@
+---
+'@graphprotocol/graph-cli': patch
+---
+
+error out if node is too old

packages/cli/bin/run.js

@@ -1,4 +1,14 @@
 #!/usr/bin/env node
+import process from 'node:process';
+import semver from 'semver';
 import { execute } from '@oclif/core';
+import { nodeVersion } from '../dist/version.js';
+
+if (!semver.satisfies(process.version, nodeVersion)) {
+  process.stderr.write(
+    `Node.js version ${nodeVersion} is required. Current version: ${process.version}\n`,
+  );
+  process.exit(1);
+}
 
 await execute({ dir: import.meta.url });

packages/cli/src/version.ts

@@ -15,3 +15,4 @@ const packageJson = JSON.parse(
 );
 
 export const version = packageJson.version as string;
+export const nodeVersion = (packageJson.engines?.node ?? '') as string;