chore: use opt-out for edge at build/dev time

Author: ascorbic

demos/middleware/netlify.toml

@@ -3,11 +3,8 @@ command = "npm run build"
 publish = ".next"
 ignore = "if [ $CACHED_COMMIT_REF == $COMMIT_REF ]; then (exit 1); else git diff --quiet $CACHED_COMMIT_REF $COMMIT_REF ../..; fi;"
 
-[build.environment]
-NEXT_USE_NETLIFY_EDGE = "true"
-
 [[plugins]]
-package = "../plugin-wrapper/"
+package = "@netlify/plugin-nextjs"
 
 # This is a fake plugin, that makes it run npm install
 [[plugins]]

packages/runtime/src/helpers/edge.ts

@@ -211,8 +211,6 @@ export const writeEdgeFunctions = async (netlifyConfig: NetlifyConfig) => {
 export const enableEdgeInNextConfig = async (publish: string) => {
   const configFile = join(publish, 'required-server-files.json')
   const config = await readJSON(configFile)
-  // This is for runtime in Next.js, rather than a build plugin setting
-  config.config.env.NEXT_USE_NETLIFY_EDGE = 'true'
   await writeJSON(configFile, config)
 }
 /* eslint-enable max-lines */

packages/runtime/src/helpers/files.ts

@@ -340,19 +340,19 @@ const baseServerReplacements: Array<[string, string]> = [
 const nextServerReplacements: Array<[string, string]> = [
   [
     `getMiddlewareManifest() {\n        if (this.minimalMode) return null;`,
-    `getMiddlewareManifest() {\n        if (this.minimalMode || process.env.NEXT_USE_NETLIFY_EDGE) return null;`,
+    `getMiddlewareManifest() {\n        if (this.minimalMode || !process.env.NEXT_DISABLE_NETLIFY_EDGE) return null;`,
   ],
   [
     `generateCatchAllMiddlewareRoute(devReady) {\n        if (this.minimalMode) return []`,
-    `generateCatchAllMiddlewareRoute(devReady) {\n        if (this.minimalMode || process.env.NEXT_USE_NETLIFY_EDGE) return [];`,
+    `generateCatchAllMiddlewareRoute(devReady) {\n        if (this.minimalMode || !process.env.NEXT_DISABLE_NETLIFY_EDGE) return [];`,
   ],
   [
     `generateCatchAllMiddlewareRoute() {\n        if (this.minimalMode) return undefined;`,
-    `generateCatchAllMiddlewareRoute() {\n        if (this.minimalMode || process.env.NEXT_USE_NETLIFY_EDGE) return undefined;`,
+    `generateCatchAllMiddlewareRoute() {\n        if (this.minimalMode || !process.env.NEXT_DISABLE_NETLIFY_EDGE) return undefined;`,
   ],
   [
     `getMiddlewareManifest() {\n        if (this.minimalMode) {`,
-    `getMiddlewareManifest() {\n        if (!this.minimalMode && !process.env.NEXT_USE_NETLIFY_EDGE) {`,
+    `getMiddlewareManifest() {\n        if (!this.minimalMode && process.env.NEXT_DISABLE_NETLIFY_EDGE) {`,
   ],
 ]
 

packages/runtime/src/templates/edge/next-dev.ts

@@ -89,10 +89,11 @@ const exists = async (relativePath: string) => {
 }
 
 const handler = async (req: Request, context: Context) => {
-  if (!Deno.env.get('NETLIFY_DEV')) {
-    // Only run in dev
-    return
-  }
+  // Uncomment when CLI update lands
+  // if (!Deno.env.get('NETLIFY_DEV')) {
+  //   // Only run in dev
+  //   return
+  // }
 
   let middleware
   // Dynamic imports and FS operations aren't allowed when deployed,