added eslint await error (#393)

* added eslint await error

* fix the linter issue

.eslintrc.json

@@ -1,17 +1,19 @@
 {
   "root": true,
   "parser": "@typescript-eslint/parser",
-  "plugins": [
-    "@typescript-eslint",
-    "prettier"
-  ],
+  "parserOptions": {
+    "project": "tsconfig.base.json",
+    "sourceType": "module"
+  },
+  "plugins": ["@typescript-eslint", "prettier"],
   "extends": [
     "eslint:recommended",
     "plugin:@typescript-eslint/eslint-recommended",
     "plugin:@typescript-eslint/recommended",
     "prettier"
   ],
   "rules": {
-    "prettier/prettier": ["error"]
+    "prettier/prettier": ["error"],
+    "@typescript-eslint/require-await": "error"
   }
 }

packages/client/src/__tests__/utils/tmpfile.test.ts

@@ -3,9 +3,9 @@ import { withTempFile } from '../../utils/tmpfile';
 
 describe('withTempFile', () => {
   it('creates a temporary file', async () => {
-    const file = await withTempFile(async (tmpFileName) => {
+    const file = await withTempFile((tmpFileName) => {
       expect(tmpFileName).toBeTruthy();
-      return tmpFileName;
+      return Promise.resolve(tmpFileName);
     });
 
     // Check to make sure the file has been deleted

packages/client/src/updater.ts

@@ -404,7 +404,7 @@ export class Updater {
     return path.join(this.targetDir, filePath);
   }
 
-  private async persistMetadata(metaDataName: string, bytesData: Buffer) {
+  private persistMetadata(metaDataName: string, bytesData: Buffer) {
     try {
       const filePath = path.join(this.dir, `${metaDataName}.json`);
       log('WRITE %s', filePath);