From 6ee3f246fa29edf6a5cc28bd5d25b2d7dd06721f Mon Sep 17 00:00:00 2001
From: Edie Lemoine <edie@myparcel.nl>
Date: Fri, 1 Mar 2024 12:02:59 +0100
Subject: [PATCH] feat(types): add MakeRequired

---
 src/__tests__/types/makeRequired.ts | 18 ++++++++++++++++++
 src/types/index.ts                  |  1 +
 src/types/makeRequired.ts           |  1 +
 3 files changed, 20 insertions(+)
 create mode 100644 src/__tests__/types/makeRequired.ts
 create mode 100644 src/types/makeRequired.ts

diff --git a/src/__tests__/types/makeRequired.ts b/src/__tests__/types/makeRequired.ts
new file mode 100644
index 0000000..cd6cb9a
--- /dev/null
+++ b/src/__tests__/types/makeRequired.ts
@@ -0,0 +1,18 @@
+import {type MakeRequired} from '../../types';
+
+const correct1: MakeRequired<{a?: number; b?: string}, 'a'> = {
+  a: 1,
+};
+const correct2: MakeRequired<{a?: number; b?: string}, 'a' | 'b'> = {
+  a: 1,
+  b: 'b',
+};
+
+// @ts-expect-error
+const incorrect1: MakeRequired<{a?: number; b?: string}, 'a'> = {
+  b: 'b',
+};
+// @ts-expect-error
+const incorrect2: MakeRequired<{a?: number; b?: string}, 'a' | 'b'> = {
+  a: 1,
+};
diff --git a/src/types/index.ts b/src/types/index.ts
index c1e39c5..f17bcde 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -14,3 +14,4 @@ export * from './requireOnly';
 export * from './resolvePromise';
 export * from './reverseMap';
 export * from './valueOf';
+export * from './makeRequired';
diff --git a/src/types/makeRequired.ts b/src/types/makeRequired.ts
new file mode 100644
index 0000000..452d9d4
--- /dev/null
+++ b/src/types/makeRequired.ts
@@ -0,0 +1 @@
+export type MakeRequired<Type, Keys extends keyof Type> = Omit<Type, Keys> & Required<Pick<Type, Keys>>;