refactor: migrate nypm to package-manager-detector (#951)

Co-authored-by: Claude Haiku 4.5 <noreply@anthropic.com>

Author: antfu

packages/devtools/package.json

@@ -69,7 +69,6 @@
     "launch-editor": "catalog:prod",
     "local-pkg": "catalog:prod",
     "magicast": "catalog:prod",
-    "nypm": "catalog:prod",
     "ohash": "catalog:frontend",
     "pathe": "catalog:frontend",
     "perfect-debounce": "catalog:frontend",
@@ -120,6 +119,7 @@
     "nitropack": "catalog:buildtools",
     "nuxt": "catalog:buildtools",
     "ofetch": "catalog:frontend",
+    "package-manager-detector": "catalog:inlined",
     "quicktype-core": "catalog:frontend",
     "scule": "catalog:frontend",
     "shiki": "catalog:frontend",

packages/devtools/src/server-rpc/npm.ts

@@ -1,19 +1,19 @@
-import type { PackageManager } from 'nypm'
+import type { DetectResult } from 'package-manager-detector/detect'
 import type { NpmCommandOptions, NpmCommandType, NuxtDevtoolsServerContext, PackageUpdateInfo, ServerFunctions } from '../types'
 import fs from 'node:fs/promises'
 import { startSubprocess } from '@nuxt/devtools-kit'
 import { parseModule } from 'magicast'
 import { addNuxtModule, getDefaultExportOptions } from 'magicast/helpers'
-import { detectPackageManager } from 'nypm'
+import { detect } from 'package-manager-detector/detect'
 import { checkForUpdateOf } from '../npm'
 import { magicastGuard } from '../utils/magicast'
 
 export function setupNpmRPC({ nuxt, ensureDevAuthToken }: NuxtDevtoolsServerContext) {
-  let detectPromise: Promise<PackageManager | undefined> | undefined
+  let detectPromise: Promise<DetectResult | null> | undefined
   const updatesPromise = new Map<string, Promise<PackageUpdateInfo | undefined>>()
 
   function getPackageManager() {
-    detectPromise ||= detectPackageManager(nuxt.options.rootDir)
+    detectPromise ||= detect({ cwd: nuxt.options.rootDir })
     return detectPromise
   }
 

pnpm-lock.yaml

@@ -110,6 +110,8 @@ catalogs:
     '@iconify-json/ri': ^1.2.10
     '@iconify-json/simple-icons': ^1.2.74
     '@iconify-json/tabler': ^1.2.31
+  inlined:
+    package-manager-detector: ^1.6.0
   playground:
     '@exampledev/new.css': ^1.1.3
   prod:
@@ -124,7 +126,6 @@ catalogs:
     launch-editor: ^2.13.1
     local-pkg: ^1.1.2
     magicast: ^0.5.2
-    nypm: ^0.6.5
     pkg-types: ^2.3.0
     semver: ^7.7.4
     sirv: ^3.0.2