add changes as @Aniket-Engg comments

apps/remix-ide/src/app/tabs/locales/en/solidity.json

@@ -22,8 +22,8 @@
   "solidity.noFileSelected": "no file selected",
   "solidity.compileAndRunScript": "Compile and Run script",
   "solidity.publishOn": "Publish on",
-  "solidity.flatten": "Flatten contracts with imports before UML generation.",
-  "solidity.generateUML": "Genrate a UML diagram of your contract.",
+  "solidity.flatten": "Flatten contracts before UML generation.",
+  "solidity.generateUML": "Generate a UML diagram of your contract.",
   "solidity.flattenLabel": "Flatten",
   "solidity.generateUMLLabel": "Generate UML Diagram",
   "solidity.Assembly": "Assembly opcodes describing the contract including corresponding solidity source code",

libs/remix-ui/solidity-compiler/src/lib/compiler-container.tsx

@@ -5,9 +5,6 @@ import { CompilerContainerProps } from './types'
 import { ConfigurationSettings } from '@remix-project/remix-lib'
 import { checkSpecialChars, CustomTooltip, extractNameFromKey } from '@remix-ui/helper'
 import { canUseWorker, baseURLBin, baseURLWasm, urlFromVersion, pathToURL } from '@remix-project/remix-solidity'
-
-
-
 import { compilerReducer, compilerInitialState } from './reducers/compiler'
 import { resetEditorMode, listenToEvents } from './actions/compiler'
 import { getValidLanguage } from '@remix-project/remix-solidity'
@@ -17,7 +14,6 @@ import axios, { AxiosResponse } from 'axios'
 
 import './css/style.css'
 
-
 const defaultPath = "compiler_config.json"
 
 declare global {
@@ -27,9 +23,6 @@ declare global {
   }
 }
 
-type AstNode = { id: number, literals: string[], nodeType: string, src: string }
-
-
 const _paq = window._paq = window._paq || [] //eslint-disable-line
 
 export const CompilerContainer = (props: CompilerContainerProps) => {

libs/remix-ui/solidity-compiler/src/lib/contract-selection.tsx

@@ -16,14 +16,13 @@ import { concatSourceFiles, getDependencyGraph } from './logic/flattenerUtilitie
 import Viewer from 'react-viewer'
 import { jsPDF } from 'jspdf'
 
-const pdfBuilder = new jsPDF('portrait')
 export const ContractSelection = (props: ContractSelectionProps) => {
   const { api, compiledFileName, contractsDetails, contractList, compilerInput, modal } = props
   const [selectedContract, setSelectedContract] = useState('')
   const [storage, setStorage] = useState(null)
   const [svgPayload, setSVGPayload] = useState('')
   const [showViewer, setShowViewer] = useState(false)
-  const [content4AST, setContent4AST] = useState('')
+  const [contentForAST, setContentForAST] = useState('')
 
   const intl = useIntl()
 
@@ -210,7 +209,7 @@ export const ContractSelection = (props: ContractSelectionProps) => {
   const generateUML = () => {
     try {
       const currentFile = api.currentFile
-      const ast = content4AST.length > 1 ? parser.parse(content4AST) : parser.parse(api.getCompilationResult().source.sources[currentFile].content)
+      const ast = contentForAST.length > 1 ? parser.parse(contentForAST) : parser.parse(api.getCompilationResult().source.sources[currentFile].content)
       const payload = vizRenderStringSync(convertUmlClasses2Dot(convertAST2UmlClasses(ast, currentFile)))
       const fileName = `${api.currentFile.split('/')[0]}/resources/${api.currentFile.split('/')[1].split('.')[0]}.pdf`
       
@@ -243,7 +242,7 @@ export const ContractSelection = (props: ContractSelectionProps) => {
     const sources = api.getCompilationResult().source.sources
     const result = concatSourceFiles(sorted, sources)
     api.writeFile(`${api.currentFile}_flattened.sol`, result)
-    setContent4AST(result)
+    setContentForAST(result)
   }
 
   return (