Use 'tmp' to create temporary directory

Author: mgsium

extensions/ql-vscode/src/extension.ts

@@ -16,6 +16,7 @@ import {
 import { LanguageClient } from 'vscode-languageclient';
 import * as os from 'os';
 import * as path from 'path';
+import * as tmp from 'tmp';
 import { testExplorerExtensionId, TestHub } from 'vscode-test-adapter-api';
 
 import { AstViewer } from './astViewer';
@@ -498,11 +499,15 @@ async function activateWithInstalledDistribution(
   ): Promise<void> {
     const path = selectedQuery ? selectedQuery.path : window.activeTextEditor!.document.uri.fsPath;
     if(path) {
+      /* 
       // Get path of temporary 'qh-markdown' directory in extension context
-      const tempDirPath = `${getContextStoragePath(ctx)}/qh-markdown/`;
+      const tempDirPath = `${getContextStoragePath(ctx)}/qh-markdown/`; 
+      */
+      // Create temporary directory
+      const tmpDir = tmp.dirSync();
       // Get library name and query file name in the format 'libname/queryname.md
       const mdFilePath = path.split('/').slice(-2).join('/').replace('.qhelp', '.md');
-      const absolutePathToMd = `${tempDirPath}${mdFilePath}`;
+      const absolutePathToMd = `${tmpDir.name}${mdFilePath}`;
       const uri = Uri.file(absolutePathToMd);
       try {
         await cliServer.generateQueryHelp(path , 'markdown', absolutePathToMd);