From 14bb05533c606abe2a180398c934ec1c4e29eff5 Mon Sep 17 00:00:00 2001
From: Chris Campbell <ccampbell@climateinteractive.org>
Date: Wed, 21 Aug 2024 13:38:46 -0700
Subject: [PATCH] fix: restore exports of non-public perf functions in runtime
 package (#515)

Fixes #514
---
 packages/runtime/src/index.spec.ts | 16 ++++++++++++++++
 packages/runtime/src/index.ts      |  3 +++
 2 files changed, 19 insertions(+)
 create mode 100644 packages/runtime/src/index.spec.ts

diff --git a/packages/runtime/src/index.spec.ts b/packages/runtime/src/index.spec.ts
new file mode 100644
index 00000000..bd7e685d
--- /dev/null
+++ b/packages/runtime/src/index.spec.ts
@@ -0,0 +1,16 @@
+// Copyright (c) 2024 Climate Interactive / New Venture Fund
+
+import { describe, expect, it } from 'vitest'
+
+import { perfNow, perfElapsed } from './index'
+
+describe('non-public perf functions', () => {
+  it('should be exported', () => {
+    // The `perf` functions are not officially part of the public API, but they should be
+    // exported for use in experimental tools, so we verify that they are accessible as
+    // top-level exports
+    const t0 = perfNow()
+    const elapsed = perfElapsed(t0)
+    expect(elapsed).toBeDefined()
+  })
+})
diff --git a/packages/runtime/src/index.ts b/packages/runtime/src/index.ts
index 146e7c84..57b05284 100644
--- a/packages/runtime/src/index.ts
+++ b/packages/runtime/src/index.ts
@@ -7,3 +7,6 @@ export * from './js-model'
 export * from './wasm-model'
 export * from './model-runner'
 export * from './model-scheduler'
+
+/** @hidden The `perf` module is not part of the public API, but is exposed for use in performance tools. */
+export * from './perf'