From 15f54ea45fd4d6ddc9c3c2b186db986991d2ca8b Mon Sep 17 00:00:00 2001
From: Matei Adriel <rafaeladriel11@gmail.com>
Date: Fri, 20 Dec 2019 14:57:46 +0200
Subject: [PATCH] typescript(option): feat: added a fromArray helper
Signed-off-by: prescientmoon <git@moonythm.dev>
---
typescript/option/src/helpers.ts | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/typescript/option/src/helpers.ts b/typescript/option/src/helpers.ts
index 629e830..296edd2 100644
--- a/typescript/option/src/helpers.ts
+++ b/typescript/option/src/helpers.ts
@@ -116,3 +116,7 @@ export const flat = <T, U>(option: Option<T>): Option<U> => {
export const fromNullable = <T>(value: Nullable<T>): Option<T> => {
return value === null ? None : Some(value)
}
+
+export const fromArray = <T>(value: [T] | []): Option<T> => {
+ return value[0] === undefined ? None : Some(value[0])
+}