fix: 🐛 allow different return type per racer

streamich · Mar 30, 2024 · ffc3b89 · ffc3b89
1 parent 949a1c4
commit ffc3b89
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/__tests__/createRace.spec.ts b/src/__tests__/createRace.spec.ts
@@ -35,7 +35,7 @@ test('concurrently executes only the first function', () => {
 });
 
 test('returns result of the function', () => {
-  const race = createRace<number>();
+  const race = createRace();
   const fn1 = jest.fn(() => 1);
   const fn2 = jest.fn(() => 2);
   expect(fn1).toHaveBeenCalledTimes(0);

diff --git a/src/createRace.ts b/src/createRace.ts
@@ -24,9 +24,9 @@
  *
  * @returns A "race" function that will only invoke the first function passed to it.
  */
-export const createRace = <T>() => {
+export const createRace = () => {
   let invoked: boolean = false;
-  return (fn: () => T): T | undefined => {
+  return <T>(fn: () => T): T | undefined => {
     if (invoked) return;
     invoked = true;
     try {