Fixes when getStdout would throw early

1 files changed, 9 insertions, 9 deletions

diff --git a/u/fn/either.ts b/u/fn/either.ts
index 54f9fc2..ffe8033 100644
--- a/u/fn/either.ts
+++ b/u/fn/either.ts
@@ -32,7 +32,7 @@ export class Either<E, T> implements IEither<E, T> {
   private readonly self: Left<E> | Right<T>;
 
   private constructor(
-    init: { err?: E, ok?: T },
+    init: { err?: E; ok?: T },
     public readonly _tag: IEitherTag = iEitherTag,
   ) {
     this.self = <Left<E> | Right<T>>{
@@ -85,11 +85,11 @@ export class Either<E, T> implements IEither<E, T> {
   }
 
   static left<E, T>(e: E): IEither<E, T> {
-    return new Either<E, T>({ err: e});
+    return new Either<E, T>({ err: e });
   }
 
   static right<E, T>(t: T): IEither<E, T> {
-    return new Either<E, T>({ok: t});
+    return new Either<E, T>({ ok: t });
   }
 
   static fromFailable<E, T>(s: Supplier<T>): IEither<E, T> {
@@ -100,12 +100,12 @@ export class Either<E, T> implements IEither<E, T> {
     }
   }
 
-  static async fromFailableAsync<E, T>(s: Promise<T>): Promise<IEither<E, T>> {
-    try {
-      return Either.right<E, T>(await s);
-    } catch (e) {
-      return Either.left<E, T>(e as E);
-    }
+  static async fromFailableAsync<E, T>(
+    s: Supplier<Promise<T>>,
+  ): Promise<IEither<E, T>> {
+    return await s()
+      .then((t: T) => Either.right<E, T>(t))
+      .catch((e: E) => Either.left<E, T>(e));
   }
 }