refactor based on @yann300 comments

apps/doc-gen/src/app/App.tsx

@@ -30,7 +30,7 @@ const App = () => {
   return (
     <div className="p-3">
       <h3>Compile a solidity contract in order to build documentation as markdown.</h3>
-      {fileName && <h6>File: {fileName.concat('.sol')}</h6>}
+      {fileName && <h6>File: {fileName}</h6>}
       {hasBuild && <button className="btn btn-primary btn-block mt-4 rounded" onClick={() => client.generateDocs()}>Generate doc</button>}
     </div>
   )

apps/doc-gen/src/app/docgen-client.ts

@@ -48,7 +48,7 @@ export class DocGenClient extends PluginClient {
         input: input,
         output: output
       }
-      const test = normalizeContractPath(fileName, true)
+      const test = normalizeContractPath(fileName)
       this.fileName = typeof test === 'string' ? test : test[test.length - 1]
       this.contractPath = typeof test === 'object' ? test[0] : ''
       this.eventEmitter.emit('compilationFinished', this.build, this.fileName)

apps/doc-gen/src/app/docgen/utils/normalizeContractPath.ts

@@ -1,7 +1,7 @@
 
-export function normalizeContractPath(contractPath: string, returnPath?: boolean): string | string[]{
+export function normalizeContractPath(contractPath: string): string[]{
   const paths = contractPath.split('/')
-  const filename = paths[paths.length - 1].split('.')[0]
+  const filename = paths[paths.length - 1]
   let folders = ''
   for (let i = 0; i < paths.length - 1; i++) {
     if(i !== paths.length -1) {
@@ -9,9 +9,5 @@ export function normalizeContractPath(contractPath: string, returnPath?: boolean
     }
   }
   const resultingPath = `${folders}${filename}`
-  if(returnPath) {
   return [folders,resultingPath, filename]
-  } else {
-  return resultingPath
-  }
 }