From a7f5df06868fd08aa076f0af79024be0e915b0ba Mon Sep 17 00:00:00 2001
From: seebees <ryanemer@amazon.com>
Date: Thu, 30 Apr 2020 14:57:51 -0700
Subject: [PATCH] fix: add asserts to `needs`

TypeScript 3.7 released support for assertion functions,
that support positive assertions
that can be evaluated in TypeScript.

This updates the `needs` function to export this behavior,
so it can be used.
---
 modules/material-management/src/needs.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/material-management/src/needs.ts b/modules/material-management/src/needs.ts
index 5c62a662b..b5d310fba 100644
--- a/modules/material-management/src/needs.ts
+++ b/modules/material-management/src/needs.ts
@@ -16,7 +16,7 @@ export function needs(
   condition: any,
   errorMessage: string,
   Err: ErrorConstructor = Error
-) {
+): asserts condition {
   if (!condition) {
     throw new Err(errorMessage)
   }