chore(property-provider): arrow function in fromStatic

packages/property-provider/src/fromStatic.spec.ts

@@ -2,15 +2,17 @@ import { fromStatic } from "./fromStatic";
 
 describe("fromStatic", () => {
   it("should convert a static value into a provider", async () => {
-    const provider = fromStatic("string");
-
-    expect(await provider()).toBe("string");
+    const staticValue = "staticValue";
+    const provider = fromStatic(staticValue);
+    return expect(provider()).resolves.toStrictEqual(staticValue);
   });
 
   it("should always return the same promise", () => {
     const provider = fromStatic("string");
     const result = provider();
 
-    expect(provider()).toBe(result);
+    Array.from({ length: 5 }).forEach(item => {
+      expect(provider()).toStrictEqual(result);
+    });
   });
 });

packages/property-provider/src/fromStatic.ts

@@ -1,6 +1,4 @@
 import { Provider } from "@aws-sdk/types";
 
-export function fromStatic<T>(staticValue: T): Provider<T> {
-  const promisified = Promise.resolve(staticValue);
-  return () => promisified;
-}
+export const fromStatic = <T>(staticValue: T): Provider<T> => () =>
+  Promise.resolve(staticValue);