From 16dbd7b30d42c2ef80696242eec994830175d7da Mon Sep 17 00:00:00 2001
From: sighphyre <liquidwicked64@gmail.com>
Date: Wed, 29 Jun 2022 10:38:51 +0200
Subject: [PATCH] fix: pull isDefined functions from main so that this compiles

---
 src/lib/util/isDefined.test.ts | 8 ++++++++
 src/lib/util/isDefined.ts      | 3 +++
 2 files changed, 11 insertions(+)
 create mode 100644 src/lib/util/isDefined.test.ts
 create mode 100644 src/lib/util/isDefined.ts

diff --git a/src/lib/util/isDefined.test.ts b/src/lib/util/isDefined.test.ts
new file mode 100644
index 0000000000..ffd732771e
--- /dev/null
+++ b/src/lib/util/isDefined.test.ts
@@ -0,0 +1,8 @@
+import { isDefined } from './isDefined';
+
+test('isDefined', () => {
+    expect(isDefined(null)).toEqual(false);
+    expect(isDefined(undefined)).toEqual(false);
+    expect(isDefined(0)).toEqual(true);
+    expect(isDefined(false)).toEqual(true);
+});
diff --git a/src/lib/util/isDefined.ts b/src/lib/util/isDefined.ts
new file mode 100644
index 0000000000..a9a4a3839a
--- /dev/null
+++ b/src/lib/util/isDefined.ts
@@ -0,0 +1,3 @@
+export const isDefined = <T>(value: T | null | undefined): value is T => {
+    return value !== null && typeof value !== 'undefined';
+};