chore(eslint): forbid modules importing from core (#556)

Co-authored-by: Pooya Parsa <pyapar@gmail.com>

.eslintrc

@@ -6,7 +6,8 @@
   "plugins": ["jsdoc"],
   "extends": [
     "plugin:jsdoc/recommended",
-    "@nuxtjs/eslint-config-typescript"
+    "@nuxtjs/eslint-config-typescript",
+    "plugin:import/typescript"
   ],
   "rules": {
     "no-console": "off",
@@ -15,7 +16,26 @@
     "jsdoc/require-jsdoc": "off",
     "jsdoc/require-param": "off",
     "jsdoc/require-returns": "off",
-    "jsdoc/require-param-type": "off"
+    "jsdoc/require-param-type": "off",
+    "import/no-restricted-paths": ["error", {
+      "zones": [
+        {
+          "target": "packages/nuxt3/src/!(core)/**/*",
+          "from": "packages/nuxt3/src/core",
+          "message": "core should not directly import from modules."
+        },
+        {
+          "target": "packages/nuxt3/src/!(app)/**/*",
+          "from": "packages/nuxt3/src/app",
+          "message": "app should not directly import from modules."
+        },
+        {
+          "target": "packages/nitro",
+          "from": "packages/!(nitro)/**/*",
+          "message": "nitro should not directly import other packages."
+        }
+      ]
+    }]
   },
   "settings": {
     "jsdoc": {

packages/kit/src/types/hooks.ts

@@ -3,8 +3,7 @@ import type { HookCallback } from 'hookable'
 import type { Compiler, Configuration, Stats } from 'webpack'
 import type { NuxtConfig, NuxtOptions } from '..'
 import type { ModuleContainer } from '../module/container'
-import { NuxtTemplate } from '../types/nuxt'
+import type { NuxtTemplate, Nuxt, NuxtApp } from '../types/nuxt'
-import { Nuxt, NuxtApp } from './nuxt'
 
 type HookResult = Promise<void> | void
 

packages/nitro/src/context.ts

@@ -142,6 +142,7 @@ export function getNitroContext (nuxtOptions: NuxtOptions, input: NitroInput): N
   }
 
   defaults.preset = input.preset || process.env.NITRO_PRESET || detectTarget() || 'server'
+  // eslint-disable-next-line import/namespace
   let presetDefaults = PRESETS[defaults.preset] || tryImport(nuxtOptions.rootDir, defaults.preset)
   if (!presetDefaults) {
     throw new Error('Cannot resolve preset: ' + defaults.preset)

packages/nuxi/src/commands/info.ts

@@ -5,7 +5,7 @@ import { resolve, dirname } from 'pathe'
 import jiti from 'jiti'
 import destr from 'destr'
 import { splitByCase } from 'scule'
-import clipboardy from 'clipboardy'
+import * as clipboardy from 'clipboardy'
 import { defineNuxtCommand } from './index'
 
 export default defineNuxtCommand({

packages/nuxt3/src/app/entry.ts

@@ -1,5 +1,5 @@
 import { createSSRApp, createApp, nextTick } from 'vue'
-import { createNuxt, applyPlugins, normalizePlugins, CreateOptions } from '#app'
+import { createNuxtApp, applyPlugins, normalizePlugins, CreateOptions } from '#app'
 import '#build/css'
 // @ts-ignore
 import _plugins from '#build/plugins'
@@ -14,7 +14,7 @@ if (process.server) {
   entry = async function createNuxtAppServer (ssrContext: CreateOptions['ssrContext'] = {}) {
     const app = createApp(App)
 
-    const nuxt = createNuxt({ app, ssrContext })
+    const nuxt = createNuxtApp({ app, ssrContext })
 
     await applyPlugins(nuxt, plugins)
 
@@ -37,7 +37,7 @@ if (process.client) {
     const isSSR = Boolean(window.__NUXT__?.serverRendered)
     const app = isSSR ? createSSRApp(App) : createApp(App)
 
-    const nuxt = createNuxt({ app })
+    const nuxt = createNuxtApp({ app })
 
     await applyPlugins(nuxt, plugins)
 

packages/nuxt3/src/app/nuxt.ts

@@ -64,7 +64,7 @@ export interface CreateOptions {
   globalName?: NuxtApp['globalName']
 }
 
-export function createNuxt (options: CreateOptions) {
+export function createNuxtApp (options: CreateOptions) {
   const nuxt: NuxtApp = {
     provide: undefined,
     globalName: 'nuxt',

packages/nuxt3/src/meta/runtime/plugin.ts

@@ -18,6 +18,7 @@ export default defineNuxtPlugin((nuxt) => {
   })
 
   for (const name in Components) {
+    // eslint-disable-next-line import/namespace
     nuxt.app.component(name, Components[name])
   }
 })