fixed all warnings (if it was possible)

frontend/src/App.js

@@ -22,7 +22,7 @@ class ProtectedRoute extends Component {
   async componentWillMount() {
     const url = "/simcompanies/API/testlogin";
     const response = await fetch(url);
-    if (response.status == "200") {
+    if (response.status === 200) {
       this.setState({
         auth: true
       });
@@ -59,7 +59,7 @@ class CheckRoute extends Component {
   async componentWillMount() {
     const url = "/simcompanies/API/testlogin";
     const response = await fetch(url);
-    if (response.status == "200") {
+    if (response.status === 200) {
       this.setState({
         auth: true
       });

frontend/src/components/login/createAccount.js

@@ -1,5 +1,4 @@
 import React from 'react';
-import { Link } from "react-router-dom";
 import { makeStyles, withStyles } from '@material-ui/core/styles';
 import Card from '@material-ui/core/Card';
 import CardContent from '@material-ui/core/CardContent';
@@ -84,7 +83,7 @@ export default function CreateAccount() {
         const text = await response.text()
         await setStatusText(text)
         setStatus(response.status)
-        if (response.status == "200") {
+        if (response.status === 200) {
             setTimeout(() => { setLogin(false) }, 2000)
         }
         setDisabled(false)
@@ -139,7 +138,7 @@ export default function CreateAccount() {
                                     <Grid item xs={12} >
                                         <Box display="flex" justifyContent="center"  >
                                             <CssTextField
-                                                error={status != null && status != "200"}
+                                                error={status != null && status !== 200}
                                                 id="usernameInput"
                                                 label="Username"
                                                 variant="outlined"
@@ -154,7 +153,7 @@ export default function CreateAccount() {
                                     <Grid item xs={12}>
                                         <Box display="flex" justifyContent="center"  >
                                             <CssTextField
-                                                error={status != null && status != "200"}
+                                                error={status != null && status !== 200}
                                                 id="passwordInput"
                                                 type="password"
                                                 label="Password"

frontend/src/components/login/login.js

@@ -88,7 +88,7 @@ export default function Login() {
         const text = await response.text()
         await setStatusText(text)
         setStatus(response.status)
-        if (response.status == "200") {
+        if (response.status === 200) {
             setTimeout(() => { setLogin(false) }, 2000)
 
         }
@@ -149,7 +149,7 @@ export default function Login() {
                                     <Grid item xs={12} >
                                         <Box display="flex" justifyContent="center"  >
                                             <CssTextField
-                                                error={status != null && status != "200"}
+                                                error={status != null && status !== 200}
                                                 id="usernameInput"
                                                 label="Username"
                                                 variant="outlined"
@@ -164,7 +164,7 @@ export default function Login() {
                                     <Grid item xs={12}>
                                         <Box display="flex" justifyContent="center"  >
                                             <CssTextField
-                                                error={status != null && status != "200"}
+                                                error={status != null && status !== 200}
                                                 id="passwordInput"
                                                 type="password"
                                                 label="Password"

frontend/src/components/login/loginfeedback.js

@@ -14,7 +14,7 @@ export default function LoginFeedback(props) {
     const [change, setChange] = React.useState(false);
 
     useEffect(() => {
-        if (login != props.login) {
+        if (login !== props.login) {
             setChange(true)
             setOpen(true)
             setOpen1(true)
@@ -31,7 +31,7 @@ export default function LoginFeedback(props) {
     };
 
     const snack = (login) => {
-        if (login == "200") {
+        if (login === 200) {
             setOutput(
                 <Snackbar open={open} autoHideDuration={2000} onClose={handleClose}>
                     <Alert onClose={handleClose} severity="success">
@@ -52,7 +52,7 @@ export default function LoginFeedback(props) {
         setChange(false)
     }
 
-    if (change == true) {
+    if (change === true) {
         snack(login)
     }
 

frontend/src/components/navigation.js

@@ -17,16 +17,11 @@ import Footer from "./footer";
 import Content from "./content"
 import Link1 from '@material-ui/core/Link';
 import { Link } from "react-router-dom";
-import SearchIcon from '@material-ui/icons/Search';
-import InputBase from '@material-ui/core/InputBase';
 import EmojiObjectsIcon from '@material-ui/icons/EmojiObjects';
 import { ListItemIcon } from '@material-ui/core';
 import Tooltip from '@material-ui/core/Tooltip';
 import Zoom from '@material-ui/core/Zoom';
 import ApartmentIcon from '@material-ui/icons/Apartment';
-import MenuItem from '@material-ui/core/MenuItem';
-import Menu from '@material-ui/core/Menu';
-import AccountCircle from '@material-ui/icons/AccountCircle';
 import AccountMenu from './accountMenu/accountMenu';
 
 const drawerWidth = 64;

frontend/src/components/resourcechart/resourcechart.js

@@ -2,13 +2,11 @@ import React, { useEffect } from 'react';
 import {
     useParams
 } from "react-router-dom";
-import CircularProgress from '@material-ui/core/CircularProgress';
 import Card from '@material-ui/core/Card';
 import CardContent from '@material-ui/core/CardContent';
 import Typography from '@material-ui/core/Typography';
 import { makeStyles } from '@material-ui/core/styles';
 import Grid from '@material-ui/core/Grid';
-import Button from '@material-ui/core/Button';
 import Chart from './chart';
 import FormHelperText from '@material-ui/core/FormHelperText';
 import MenuItem from '@material-ui/core/MenuItem';