Fix suggestions

Author: erikdubbelboer

package.json

@@ -36,7 +36,6 @@
   "devDependencies": {
     "@babel/core": "^7.15.0",
     "@rollup/plugin-babel": "^5.3.0",
-    "@rollup/plugin-commonjs": "^20.0.0",
     "@rollup/plugin-json": "^4.1.0",
     "@rollup/plugin-node-resolve": "^13.0.4",
     "@types/archiver": "^5.1.1",

rollup.config.js

@@ -1,4 +1,3 @@
-import commonjs from '@rollup/plugin-commonjs'
 import { babel } from '@rollup/plugin-babel'
 import typescript from 'rollup-plugin-typescript2'
 
@@ -12,8 +11,7 @@ export default {
   }],
   plugins: [
     typescript(),
-    babel({ babelHelpers: 'bundled' }),
-    commonjs()
+    babel({ babelHelpers: 'bundled' })
   ],
   external: [
     'fs',

src/auth.ts

@@ -103,7 +103,7 @@ export async function auth (): Promise<Config> {
       }
     }
 
-    if (config != null) {
+    if (config !== undefined) {
       resolve(config)
       return
     }

src/p4d.ts

@@ -12,7 +12,7 @@ interface Response {
   data: string
 }
 
-async function doit (gameId: string, filename: string, name: string, notes: string | undefined, makePublic: boolean, config: Config): Promise<Response> {
+async function doit (gameId: string, filename: string, name: string, notes: string|undefined, makePublic: boolean, config: Config): Promise<Response> {
   return await new Promise<Response>((resolve, reject) => {
     if (config.access_token === undefined) {
       return reject(new Error('No access token found'))