refactor: decouple Next.js from core (#2857)

* refactor: decouple Next.js from core (WIP)

* refactor: use `base` instead of `baseUrl`+`basePath`

* fix: signout route

* refactor(ts): convert files to TS

* fix: imports

* refactor: convert callback route

* fix: add `next` files to package

* chore(dev): alias npm email

* refactor: do not merge req with user options

* refactor: rename userOptions to options

* refactor: use native `URL` in `parseUrl`

* refactor: move Next.js specific code to `next` module

* refactor(ts): return `OutgoingResponse` on all routes

* fix: change `base` to `url`

* feat: introduce `getServerSession`

* refactor: move main logic to `handler` file

* chore(dev): showcase `getServerSession`

* feat: extract `sessionToken` from Authorization header

* fix: pass headers to getServerSession

* refactor: rename `server` to `core`

* refactor: re-export `next-auth/next` in `next-auth`

* fix: add `core` to npm package

* fix: re-export default method

* feat: return `body`+`header` instead of `json`,`text`

* feat: pass `NEXTAUTH_URL` as a variable to core

* refactor: simplify Next.js wrapper

* feat: export `client/_utils`

* fix(ts): suppress TS errors

Author: balazsorban44

.gitignore

@@ -29,12 +29,13 @@ node_modules
 /client
 /css
 /lib
-/server
+/core
 /jwt
 /react
 /adapters.d.ts
 /index.d.ts
 /index.js
+/next
 
 # Development app
 app/src/css

app/package.json

@@ -10,7 +10,8 @@
     "copy:css": "cpx \"../css/**/*\" src/css --watch",
     "watch:css": "cd .. && npm run watch:css",
     "start": "next start",
-    "start:email": "npx fake-smtp-server"
+    "email": "npx fake-smtp-server",
+    "start:email": "email"
   },
   "license": "ISC",
   "dependencies": {