feat: update to TypeScript 4.0 (#6514)

3 files changed, 14 insertions, 6 deletions

diff --git a/std/node/_fs/_fs_access.ts b/std/node/_fs/_fs_access.ts
index df84eac9c..8fb8cc7e6 100644
--- a/std/node/_fs/_fs_access.ts
+++ b/std/node/_fs/_fs_access.ts
@@ -8,9 +8,9 @@ import { notImplemented } from "../_utils.ts";
 //TODO - 'path' can also be a Buffer.  Neither of these polyfills
 //is available yet.  See https://github.com/denoland/deno/issues/3403
 export function access(
-  path: string | URL, // eslint-disable-line @typescript-eslint/no-unused-vars
-  modeOrCallback: number | Function, // eslint-disable-line @typescript-eslint/no-unused-vars
-  callback?: CallbackWithError, // eslint-disable-line @typescript-eslint/no-unused-vars
+  _path: string | URL,
+  _modeOrCallback: number | ((...args: unknown[]) => void),
+  _callback?: CallbackWithError,
 ): void {
   notImplemented("Not yet available");
 }
diff --git a/std/node/_fs/_fs_common.ts b/std/node/_fs/_fs_common.ts
index 165b9aeca..5d3f02a5d 100644
--- a/std/node/_fs/_fs_common.ts
+++ b/std/node/_fs/_fs_common.ts
@@ -47,7 +47,13 @@ export function isFileOptions(
 }
 
 export function getEncoding(
-  optOrCallback?: FileOptions | WriteFileOptions | Function | Encodings | null,
+  optOrCallback?:
+    | FileOptions
+    | WriteFileOptions
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    | ((...args: any[]) => any)
+    | Encodings
+    | null,
 ): Encodings | null {
   if (!optOrCallback || typeof optOrCallback === "function") {
     return null;
diff --git a/std/node/_fs/_fs_dir.ts b/std/node/_fs/_fs_dir.ts
index 7f2085b3b..20239d4f3 100644
--- a/std/node/_fs/_fs_dir.ts
+++ b/std/node/_fs/_fs_dir.ts
@@ -17,7 +17,8 @@ export default class Dir {
     return this.dirPath;
   }
 
-  read(callback?: Function): Promise<Dirent | null> {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  read(callback?: (...args: any[]) => void): Promise<Dirent | null> {
     return new Promise((resolve, reject) => {
       if (!this.asyncIterator) {
         this.asyncIterator = Deno.readDir(this.path)[Symbol.asyncIterator]();
@@ -55,7 +56,8 @@ export default class Dir {
    * directories, and therefore does not need to close directories when
    * finished reading.
    */
-  close(callback?: Function): Promise<void> {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  close(callback?: (...args: any[]) => void): Promise<void> {
     return new Promise((resolve, reject) => {
       try {
         if (callback) {