Fix linting.

Author: ghengeveld

src/useAsync.js

@@ -47,19 +47,22 @@ const useAsync = (opts, init) => {
     const isPreInitialized = initialValue && counter.current === 0
     if (promiseFn && !isPreInitialized) {
       start()
-      promiseFn(options).then(handleResolve(counter.current), handleReject(counter.current))
+      return promiseFn(options).then(handleResolve(counter.current), handleReject(counter.current))
     }
   }
 
   const run = (...args) => {
     if (deferFn) {
       start()
       lastArgs.current = args
-      return deferFn(...args, options).then(handleResolve(counter.current), handleReject(counter.current))
+      return deferFn(...args, options).then(
+        handleResolve(counter.current),
+        handleReject(counter.current)
+      )
     }
   }
 
-  useEffect(load, [promiseFn, watch])
+  useEffect(() => load() && undefined, [promiseFn, watch])
   useEffect(() => () => (isMounted.current = false), [])
 
   return useMemo(

src/useAsync.spec.js

@@ -83,7 +83,9 @@ describe("useAsync", () => {
   test("passes reload function that re-runs the promise", async () => {
     const promiseFn = jest.fn().mockReturnValue(resolveTo("done"))
     const component = (
-      <Async promiseFn={promiseFn}>{({ reload }) => <button onClick={reload}>reload</button>}</Async>
+      <Async promiseFn={promiseFn}>
+        {({ reload }) => <button onClick={reload}>reload</button>}
+      </Async>
     )
     const { getByText } = render(component)
     flushEffects()
@@ -319,4 +321,4 @@ describe("useAsync", () => {
     await waitForElement(() => getByText("outer undefined"))
     await waitForElement(() => getByText("outer inner"))
   })
-})
+})