feat(build): move completely to esm within typescript

Author: blurrah

Diff for: .eslintrc.cjs

@@ -0,0 +1,9 @@
+module.exports = {
+  root: true,
+  extends: ['@labdigital/eslint-config-node'],
+  parserOptions: {
+    project: 'tsconfig.json',
+    tsconfigRootDir: __dirname,
+    extraFileExtensions: ['.cjs'],
+  },
+}

Diff for: .eslintrc.js

@@ -7,6 +7,10 @@ const customJestConfig = {
   testMatch: ['**/*.test.js', '**/*.test.ts', '**/*.test.tsx'],
   verbose: true,
   transformIgnorePatterns: ['/next[/\\\\]dist/', '/\\.next/'],
+  extensionsToTreatAsEsm: ['.ts'],
+  moduleNameMapper: {
+    '^(\\.{1,2}/.*)\\.js$': '$1',
+  },
 }
 
 // createJestConfig is exported in this way to ensure that next/jest can load the Next.js config which is async

Diff for: jest.config.js renamed to jest.config.cjs

@@ -1,2 +1,5 @@
-export { createNextAuthMiddleware, nextBasicAuthMiddleware } from './middleware'
+export {
+  createNextAuthMiddleware,
+  nextBasicAuthMiddleware,
+} from './middleware.js'
 export type { MiddlewareOptions } from './types'

Diff for: src/index.ts

@@ -1,5 +1,5 @@
-import { BasicAuthResult } from './auth'
-import { safeCompare } from './compare'
+import { BasicAuthResult } from './auth.js'
+import { safeCompare } from './compare.js'
 
 // This contains all the logic for parsing and checking credentials
 type AuthCredentialsObject = {
@@ -12,7 +12,7 @@ export type AuthCredentials = AuthCredentialsObject[]
 export const parseCredentials = (credentials: string): AuthCredentials => {
   const authCredentials: AuthCredentials = []
 
-  credentials.split('|').forEach(item => {
+  credentials.split('|').forEach((item) => {
     if (item.length < 3) {
       throw new Error(
         `Received incorrect basic auth syntax, use <username>:<password>, received ${item}`
@@ -46,7 +46,7 @@ export const compareCredentials = (
   requiredCredentials: AuthCredentials
 ): boolean =>
   requiredCredentials.some(
-    item =>
+    (item) =>
       safeCompare(input.user, item.name) &&
       safeCompare(input.pass, item.password)
   )

Diff for: src/lib/credentials.ts

@@ -1,7 +1,7 @@
 import type { NextRequest } from 'next/server'
 // eslint-disable-next-line no-duplicate-imports
 import { NextResponse } from 'next/server'
-import { basicAuthentication } from './lib/auth'
+import { basicAuthentication } from './lib/auth.js'
 import {
   AuthCredentials,
   compareCredentials,

Diff for: src/middleware.ts

@@ -1,8 +1,8 @@
 {
-  "include": ["src", "jest.config.js"],
+  "include": ["src", "jest.config.cjs", ".eslintrc.cjs"],
   "compilerOptions": {
     "target": "es2022",
-    "module": "esnext",
+    "module": "nodenext",
     "lib": ["dom", "esnext"],
     "importHelpers": true,
     "declaration": true,