feat: try$

Benricheson101 · Dec 28, 2024 · 3d8b4a0 · 3d8b4a0
1 parent 5952bed
commit 3d8b4a0
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Showing 2 changed files with 12 additions and 4 deletions.
diff --git a/lib/error/try.test.ts b/lib/error/try.test.ts
@@ -35,4 +35,14 @@ describe('error/try$', () => {
     deepStrictEqual(f(3), [null, 3]);
     deepStrictEqual(f(4), [null, 4]);
   });
+
+  it('should retain `this`', () => {
+    const f = try$(function (this: string) {
+      return this;
+    });
+
+    const g = f.bind('test');
+
+    deepStrictEqual(g(), ['test', null]);
+  });
 });
diff --git a/lib/error/try.ts b/lib/error/try.ts
@@ -1,6 +1,4 @@
-export type ResultTuple<T, E = unknown> =
-  | readonly [T, null]
-  | readonly [null, E];
+export type Result<T, E = unknown> = readonly [T, null] | readonly [null, E];
 
 /** wraps a function to return `[T, E]` instead of `T throws E` */
 export const try$ = <E, F extends (...args: Parameters<F>) => ReturnType<F>>(
@@ -9,7 +7,7 @@ export const try$ = <E, F extends (...args: Parameters<F>) => ReturnType<F>>(
   function (
     this: ThisParameterType<F>,
     ...args: Parameters<F>
-  ): ResultTuple<ReturnType<F>, E> {
+  ): Result<ReturnType<F>, E> {
     try {
       return [f.apply(this, args) as ReturnType<F>, null];
     } catch (err) {