fix(kit): de-default nuxt2 imports and add sync try/catch (#658)

packages/kit/package.json

@@ -28,6 +28,7 @@
     "hookable": "^5.0.0",
     "jiti": "^1.12.6",
     "lodash.template": "^4.5.0",
+    "mlly": "^0.2.5",
     "pathe": "^0.2.0",
     "rc9": "^1.2.0",
     "scule": "^0.2.1",

packages/kit/src/nuxt.ts

@@ -1,5 +1,5 @@
 import { getContext } from 'unctx'
-import { importModule, tryImportModule, tryResolveModule } from './utils/cjs'
+import { importModule, tryImportModule, tryResolveModule, RequireModuleOptions } from './utils/cjs'
 import type { Nuxt } from './types/nuxt'
 import type { NuxtConfig } from './types/config'
 import type { LoadNuxtConfigOptions } from './config/load'
@@ -41,7 +41,7 @@ export interface LoadNuxtOptions extends LoadNuxtConfigOptions {
 }
 
 export async function loadNuxt (opts: LoadNuxtOptions): Promise<Nuxt> {
-  const resolveOpts = { paths: opts.rootDir }
+  const resolveOpts: RequireModuleOptions = { paths: opts.rootDir }
 
   // Detect version
   if (!opts.version) {
@@ -56,7 +56,6 @@ export async function loadNuxt (opts: LoadNuxtOptions): Promise<Nuxt> {
   }
 
   // Nuxt 2
-  // @ts-ignore
   const { loadNuxt } = await tryImportModule('nuxt-edge', resolveOpts) || await importModule('nuxt', resolveOpts)
   const nuxt = await loadNuxt({
     rootDir: opts.rootDir,
@@ -69,7 +68,7 @@ export async function loadNuxt (opts: LoadNuxtOptions): Promise<Nuxt> {
 }
 
 export async function buildNuxt (nuxt: Nuxt): Promise<any> {
-  const resolveOpts = { paths: nuxt.options.rootDir }
+  const resolveOpts: RequireModuleOptions = { paths: nuxt.options.rootDir }
 
   // Nuxt 3
   if (nuxt.options._majorVersion === 3) {
@@ -78,7 +77,6 @@ export async function buildNuxt (nuxt: Nuxt): Promise<any> {
   }
 
   // Nuxt 2
-  // @ts-ignore
-  const { build } = tryImportModule('nuxt-edge', resolveOpts) || tryImportModule('nuxt', resolveOpts)
+  const { build } = await tryImportModule('nuxt-edge', resolveOpts) || await tryImportModule('nuxt', resolveOpts)
   return build(nuxt)
 }

packages/kit/src/utils/cjs.ts

@@ -1,5 +1,6 @@
 import { pathToFileURL } from 'url'
 import { join, normalize } from 'pathe'
+import { interopDefault } from 'mlly'
 import jiti from 'jiti'
 
 // TODO: use create-require for jest environment
@@ -116,23 +117,23 @@ export function requireModule (id: string, opts: RequireModuleOptions = {}) {
   }
 
   // Try to require
-  let requiredModule = _require(resolvedPath)
-
-  // Interop default
-  if (opts.interopDefault !== false && requiredModule && requiredModule.default) {
-    requiredModule = requiredModule.default
-  }
+  const requiredModule = _require(resolvedPath)
 
   return requiredModule
 }
 
 export function importModule (id: string, opts: RequireModuleOptions = {}) {
   const resolvedPath = resolveModule(id, opts)
+  if (opts.interopDefault !== false) {
+    return import(pathToFileURL(resolvedPath).href).then(interopDefault)
+  }
   return import(pathToFileURL(resolvedPath).href)
 }
 
 export function tryImportModule (id: string, opts: RequireModuleOptions = {}) {
+  try {
     return importModule(id, opts).catch(() => undefined)
+  } catch { }
 }
 
 /** Try to require a module, but don't emit an error if the module can't be required. */

yarn.lock

@@ -1488,6 +1488,7 @@ __metadata:
     hookable: ^5.0.0
     jiti: ^1.12.6
     lodash.template: ^4.5.0
+    mlly: ^0.2.5
     pathe: ^0.2.0
     rc9: ^1.2.0
     scule: ^0.2.1
@@ -9369,6 +9370,15 @@ fsevents@~2.3.2:
   languageName: node
   linkType: hard
 
+"mlly@npm:^0.2.5":
+  version: 0.2.5
+  resolution: "mlly@npm:0.2.5"
+  dependencies:
+    import-meta-resolve: ^1.1.1
+  checksum: bd111db12fc09c13ca6897b1dfb78501268f7d166cead7e806bafab905ca05134bd0b4eb7a5a5b1b05e9ecbbe2d9e8819dc95ffb62ba7e76e618a4d032236d3f
+  languageName: node
+  linkType: hard
+
 "mocha@npm:^9.1.2":
   version: 9.1.2
   resolution: "mocha@npm:9.1.2"