feat(#1132): complete contribution hook prerequisite

Closes #1132

tests/tsconfig-noemit.test.cjs

@@ -0,0 +1,28 @@
+'use strict';
+
+const { test } = require('node:test');
+const assert = require('node:assert/strict');
+const path = require('node:path');
+const { spawnSync } = require('node:child_process');
+
+test('root tsconfig supports the default no-emit typecheck command', () => {
+  const root = path.join(__dirname, '..');
+  const tscBin = path.join(root, 'node_modules', 'typescript', 'bin', 'tsc');
+
+  const result = spawnSync(process.execPath, [tscBin, '--noEmit'], {
+    cwd: root,
+    encoding: 'utf8',
+  });
+
+  assert.equal(
+    result.status,
+    0,
+    [
+      'Expected the default root TypeScript typecheck to pass.',
+      'stdout:',
+      result.stdout,
+      'stderr:',
+      result.stderr,
+    ].join('\n'),
+  );
+});