feat: add require only one type

ScaleLeap · Jun 5, 2020 · bf57f3f · bf57f3f
1 parent 76530f1
commit bf57f3f
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/sections/types.ts b/src/sections/types.ts
@@ -0,0 +1,8 @@
+/**
+ * For use with parameters that require one of two values
+ */
+
+type RequireOnlyOne<T, Keys extends keyof T = keyof T> = Pick<T, Exclude<keyof T, Keys>> &
+  {
+    [K in Keys]-?: Required<Pick<T, K>> & Partial<Record<Exclude<Keys, K>, undefined>>
+  }[Keys]