Fix eslint warnings (#2151)

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
Co-authored-by: LE GOFF Vincent <g_n_s@hotmail.fr>

1 files changed, 16 insertions, 8 deletions

diff --git a/js/resources_test.ts b/js/resources_test.ts
index eeb3b3449..9d68f49f6 100644
--- a/js/resources_test.ts
+++ b/js/resources_test.ts
@@ -1,7 +1,7 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 import { test, testPerm, assertEquals } from "./test_util.ts";
 
-test(function resourcesStdio() {
+test(function resourcesStdio(): void {
   const res = Deno.resources();
 
   assertEquals(res[0], "stdin");
@@ -9,7 +9,7 @@ test(function resourcesStdio() {
   assertEquals(res[2], "stderr");
 });
 
-testPerm({ net: true }, async function resourcesNet() {
+testPerm({ net: true }, async function resourcesNet(): Promise<void> {
   const addr = "127.0.0.1:4501";
   const listener = Deno.listen("tcp", addr);
 
@@ -17,15 +17,21 @@ testPerm({ net: true }, async function resourcesNet() {
   const listenerConn = await listener.accept();
 
   const res = Deno.resources();
-  assertEquals(Object.values(res).filter(r => r === "tcpListener").length, 1);
-  assertEquals(Object.values(res).filter(r => r === "tcpStream").length, 2);
+  assertEquals(
+    Object.values(res).filter((r): boolean => r === "tcpListener").length,
+    1
+  );
+  assertEquals(
+    Object.values(res).filter((r): boolean => r === "tcpStream").length,
+    2
+  );
 
   listenerConn.close();
   dialerConn.close();
   listener.close();
 });
 
-testPerm({ read: true }, async function resourcesFile() {
+testPerm({ read: true }, async function resourcesFile(): Promise<void> {
   const resourcesBefore = Deno.resources();
   await Deno.open("tests/hello.txt");
   const resourcesAfter = Deno.resources();
@@ -35,8 +41,10 @@ testPerm({ read: true }, async function resourcesFile() {
     Object.keys(resourcesAfter).length,
     Object.keys(resourcesBefore).length + 1
   );
-  const newRid = Object.keys(resourcesAfter).find(rid => {
-    return !resourcesBefore.hasOwnProperty(rid);
-  });
+  const newRid = Object.keys(resourcesAfter).find(
+    (rid): boolean => {
+      return !resourcesBefore.hasOwnProperty(rid);
+    }
+  );
   assertEquals(resourcesAfter[newRid], "fsFile");
 });