Add --report-unused-disable-directives in ESLint.

Signed-off-by: XhmikosR <xhmikosr@gmail.com>

package.json

@@ -76,7 +76,7 @@
     "test": "react-scripts test --env=jsdom",
     "coverage": "react-scripts test --env=jsdom --coverage",
     "codecov": "codecov",
-    "lint": "eslint --ignore-path .gitignore --ext js,ts,tsx .",
+    "lint": "eslint --ignore-path .gitignore --ext js,ts,tsx --report-unused-disable-directives .",
     "eject": "react-scripts eject",
     "format": "prettier --write \"**/*.{js,tsx}\" --ignore-path .gitignore",
     "check-format": "prettier --list-different \"**/*.{js,tsx}\" --ignore-path .gitignore"

src/components/common/EnableDisable.tsx

@@ -8,8 +8,6 @@
  * This file is copyright under the latest version of the EUPL.
  * Please see LICENSE file for your rights under this license. */
 
-/* eslint-disable jsx-a11y/anchor-is-valid */
-
 import React, { Component, FormEvent } from "react";
 import { WithTranslation, withTranslation } from "react-i18next";
 import NavButton from "./NavButton";

src/components/common/NavDropdown.tsx

@@ -8,8 +8,6 @@
  * This file is copyright under the latest version of the EUPL.
  * Please see LICENSE file for your rights under this license. */
 
-/* eslint-disable jsx-a11y/anchor-is-valid */
-
 import React, { MouseEvent, ReactNode } from "react";
 
 export interface NavDropdownProps {
@@ -34,6 +32,5 @@ export default ({ name, icon, isOpen, children }: NavDropdownProps) => (
 );
 
 const handleDropdownClick = (e: MouseEvent<HTMLButtonElement>) => {
-  e.preventDefault();
   (e.target as HTMLButtonElement).parentElement!.classList.toggle("open");
 };