Added Material UI 4 import rule to plugins/circleci

Signed-off-by: Aditya Kumar <aditya.kumar60@infosys.com>

.changeset/fuzzy-weeks-press.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-circleci': patch
+---
+
+Added an optional ESLint rule - no-top-level-material-ui-4-imports -in circleci plugin which has an auto fix function to migrate the imports and used it to migrate the Material UI imports for plugins/circleci.

plugins/circleci/.eslintrc.js

@@ -1 +1,6 @@
-module.exports = require('@backstage/cli/config/eslint-factory')(__dirname);
+module.exports = require('@backstage/cli/config/eslint-factory')(__dirname, {
+    rules: {
+      '@backstage/no-top-level-material-ui-4-imports': 'error',
+    },
+  });
+  

plugins/circleci/src/components/BuildWithStepsPage/BuildWithStepsPage.tsx

@@ -17,7 +17,9 @@
 import React, { useEffect } from 'react';
 import { useParams } from 'react-router-dom';
 import { BuildWithSteps, BuildStepAction } from '../../api';
-import { Grid, Box, Typography } from '@material-ui/core';
+import Grid from '@material-ui/core/Grid';
+import Box from '@material-ui/core/Box';
+import Typography from '@material-ui/core/Typography';
 import { makeStyles } from '@material-ui/core/styles';
 import { ActionOutput } from './lib/ActionOutput/ActionOutput';
 import LaunchIcon from '@material-ui/icons/Launch';

plugins/circleci/src/components/BuildWithStepsPage/lib/ActionOutput/ActionOutput.tsx

@@ -15,12 +15,10 @@
  */
 
 import { LogViewer } from '@backstage/core-components';
-import {
-  Accordion,
-  AccordionDetails,
-  AccordionSummary,
-  Typography,
-} from '@material-ui/core';
+import Accordion from '@material-ui/core/Accordion';
+import AccordionDetails from '@material-ui/core/AccordionDetails';
+import AccordionSummary from '@material-ui/core/AccordionSummary';
+import Typography from '@material-ui/core/Typography';
 import { makeStyles } from '@material-ui/core/styles';
 import ExpandMoreIcon from '@material-ui/icons/ExpandMore';
 import { BuildStepAction } from 'circleci-api';

plugins/circleci/src/components/BuildsPage/BuildsPage.tsx

@@ -15,7 +15,7 @@
  */
 import React from 'react';
 import { Builds } from './lib/Builds';
-import { Grid } from '@material-ui/core';
+import Grid from '@material-ui/core/Grid';
 
 export const BuildsPage = () => (
   <Grid container spacing={3} direction="column">

plugins/circleci/src/components/BuildsPage/lib/CITable/CITable.tsx

@@ -15,14 +15,12 @@
  */
 
 import React from 'react';
-import {
-  Avatar,
-  Typography,
-  Box,
-  IconButton,
-  makeStyles,
-  Tooltip,
-} from '@material-ui/core';
+import Avatar from '@material-ui/core/Avatar';
+import Typography from '@material-ui/core/Typography';
+import Box from '@material-ui/core/Box';
+import IconButton from '@material-ui/core/IconButton';
+import Tooltip from '@material-ui/core/Tooltip';
+import { makeStyles } from '@material-ui/core/styles';
 import RetryIcon from '@material-ui/icons/Replay';
 import GitHubIcon from '@material-ui/icons/GitHub';
 import LaunchIcon from '@material-ui/icons/Launch';