Make next.config.js keys optional (#25204)

PepijnSenders · web-flow · commit bd0448c365dd · 2021-05-18T21:49:50.000Z
## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added

## Description

These values should be optional and not required on the `NextConfig` type.
diff --git a/packages/next/next-server/server/config-shared.ts b/packages/next/next-server/server/config-shared.ts
@@ -57,12 +57,12 @@ export type NextConfig = { [key: string]: any } & {
       validator?: string
       skipValidation?: boolean
     }
-    turboMode: boolean
+    turboMode?: boolean
     eslint?: boolean
-    reactRoot: boolean
-    enableBlurryPlaceholder: boolean
-    disableOptimizedLoading: boolean
-    gzipSize: boolean
+    reactRoot?: boolean
+    enableBlurryPlaceholder?: boolean
+    disableOptimizedLoading?: boolean
+    gzipSize?: boolean
   }
 }
 
diff --git a/packages/next/next-server/server/next-server.ts b/packages/next/next-server/server/next-server.ts
@@ -157,7 +157,7 @@ export default class Server {
     images: string
     fontManifest: FontManifest
     optimizeImages: boolean
-    disableOptimizedLoading: boolean
+    disableOptimizedLoading?: boolean
     optimizeCss: any
     locale?: string
     locales?: string[]

Original file line number	Diff line number	Diff line change
`@@ -57,12 +57,12 @@ export type NextConfig = { [key: string]: any } & {`
`57`	`57`	`validator?: string`
`58`	`58`	`skipValidation?: boolean`
`59`	`59`	`}`
`60`		`- turboMode: boolean`
	`60`	`+ turboMode?: boolean`
`61`	`61`	`eslint?: boolean`
`62`		`- reactRoot: boolean`
`63`		`- enableBlurryPlaceholder: boolean`
`64`		`- disableOptimizedLoading: boolean`
`65`		`- gzipSize: boolean`
	`62`	`+ reactRoot?: boolean`
	`63`	`+ enableBlurryPlaceholder?: boolean`
	`64`	`+ disableOptimizedLoading?: boolean`
	`65`	`+ gzipSize?: boolean`
`66`	`66`	`}`
`67`	`67`	`}`
`68`	`68`