chore: use package-manager-detector

build.config.ts

@@ -3,16 +3,17 @@ import { defineBuildConfig } from 'unbuild'
 import fg from 'fast-glob'
 
 export default defineBuildConfig({
-  entries: [
-    ...fg.sync('src/commands/*.ts').map(i => ({
-      input: i.slice(0, -3),
-      name: basename(i).slice(0, -3),
-    })),
-  ],
+  entries: fg.sync('src/commands/*.ts').map(i => ({
+    input: i.slice(0, -3),
+    name: basename(i).slice(0, -3),
+  })),
   clean: true,
   declaration: true,
   rollup: {
     emitCJS: true,
     inlineDependencies: true,
+    commonjs: {
+      exclude: ['**/*.d.ts'],
+    },
   },
 })

package.json

@@ -16,7 +16,6 @@
   },
   "exports": {
     ".": {
-      "types": "./dist/index.d.ts",
       "import": "./dist/index.mjs",
       "require": "./dist/index.cjs"
     }
@@ -58,10 +57,10 @@
     "bumpp": "^9.4.2",
     "eslint": "^9.8.0",
     "fast-glob": "^3.3.2",
-    "find-up": "^6.3.0",
     "fs-extra": "^11.2.0",
     "fzf": "^0.5.2",
     "ini": "^4.1.3",
+    "package-manager-detector": "^0.1.1",
     "picocolors": "^1.0.1",
     "taze": "^0.16.3",
     "terminal-link": "^3.0.0",

src/agents.ts

@@ -1,104 +1,6 @@
-function npmRun(agent: string) {
-  return (args: string[]) => {
-    if (args.length > 1)
-      return `${agent} run ${args[0]} -- ${args.slice(1).join(' ')}`
-    else return `${agent} run ${args[0]}`
-  }
-}
+import type { Agent, Command } from 'package-manager-detector/agents'
+import { AGENTS, COMMANDS, INSTALL_PAGE, LOCKS } from 'package-manager-detector/agents'
 
-const yarn = {
-  'agent': 'yarn {0}',
-  'run': 'yarn run {0}',
-  'install': 'yarn install {0}',
-  'frozen': 'yarn install --frozen-lockfile',
-  'global': 'yarn global add {0}',
-  'add': 'yarn add {0}',
-  'upgrade': 'yarn upgrade {0}',
-  'upgrade-interactive': 'yarn upgrade-interactive {0}',
-  'execute': 'npx {0}',
-  'uninstall': 'yarn remove {0}',
-  'global_uninstall': 'yarn global remove {0}',
-}
-const pnpm = {
-  'agent': 'pnpm {0}',
-  'run': 'pnpm run {0}',
-  'install': 'pnpm i {0}',
-  'frozen': 'pnpm i --frozen-lockfile',
-  'global': 'pnpm add -g {0}',
-  'add': 'pnpm add {0}',
-  'upgrade': 'pnpm update {0}',
-  'upgrade-interactive': 'pnpm update -i {0}',
-  'execute': 'pnpm dlx {0}',
-  'uninstall': 'pnpm remove {0}',
-  'global_uninstall': 'pnpm remove --global {0}',
-}
-const bun = {
-  'agent': 'bun {0}',
-  'run': 'bun run {0}',
-  'install': 'bun install {0}',
-  'frozen': 'bun install --frozen-lockfile',
-  'global': 'bun add -g {0}',
-  'add': 'bun add {0}',
-  'upgrade': 'bun update {0}',
-  'upgrade-interactive': 'bun update {0}',
-  'execute': 'bun x {0}',
-  'uninstall': 'bun remove {0}',
-  'global_uninstall': 'bun remove -g {0}',
-}
+export { AGENTS, COMMANDS, INSTALL_PAGE, LOCKS }
 
-export const AGENTS = {
-  'npm': {
-    'agent': 'npm {0}',
-    'run': npmRun('npm'),
-    'install': 'npm i {0}',
-    'frozen': 'npm ci',
-    'global': 'npm i -g {0}',
-    'add': 'npm i {0}',
-    'upgrade': 'npm update {0}',
-    'upgrade-interactive': null,
-    'execute': 'npx {0}',
-    'uninstall': 'npm uninstall {0}',
-    'global_uninstall': 'npm uninstall -g {0}',
-  },
-  'yarn': yarn,
-  'yarn@berry': {
-    ...yarn,
-    'frozen': 'yarn install --immutable',
-    'upgrade': 'yarn up {0}',
-    'upgrade-interactive': 'yarn up -i {0}',
-    'execute': 'yarn dlx {0}',
-    // Yarn 2+ removed 'global', see https://github.com/yarnpkg/berry/issues/821
-    'global': 'npm i -g {0}',
-    'global_uninstall': 'npm uninstall -g {0}',
-  },
-  'pnpm': pnpm,
-  // pnpm v6.x or below
-  'pnpm@6': {
-    ...pnpm,
-    run: npmRun('pnpm'),
-  },
-  'bun': bun,
-}
-
-export type Agent = keyof typeof AGENTS
-export type Command = keyof typeof AGENTS.npm
-
-export const agents = Object.keys(AGENTS) as Agent[]
-
-// the order here matters, more specific one comes first
-export const LOCKS: Record<string, Agent> = {
-  'bun.lockb': 'bun',
-  'pnpm-lock.yaml': 'pnpm',
-  'yarn.lock': 'yarn',
-  'package-lock.json': 'npm',
-  'npm-shrinkwrap.json': 'npm',
-}
-
-export const INSTALL_PAGE: Record<Agent, string> = {
-  'bun': 'https://bun.sh',
-  'pnpm': 'https://pnpm.io/installation',
-  'pnpm@6': 'https://pnpm.io/6.x/installation',
-  'yarn': 'https://classic.yarnpkg.com/en/docs/install',
-  'yarn@berry': 'https://yarnpkg.com/getting-started/install',
-  'npm': 'https://docs.npmjs.com/cli/v8/configuring-npm/install',
-}
+export type { Agent, Command }

src/detect.ts

@@ -1,12 +1,9 @@
-import fs from 'node:fs'
-import path from 'node:path'
 import process from 'node:process'
 import { async as ezspawn } from '@jsdevtools/ez-spawn'
-import { findUp } from 'find-up'
+import { detect as detectPM } from 'package-manager-detector'
 import terminalLink from 'terminal-link'
 import prompts from '@posva/prompts'
-import type { Agent } from './agents'
-import { AGENTS, INSTALL_PAGE, LOCKS } from './agents'
+import { INSTALL_PAGE } from './agents'
 import { cmdExists } from './utils'
 
 export interface DetectOptions {
@@ -16,46 +13,17 @@ export interface DetectOptions {
 }
 
 export async function detect({ autoInstall, programmatic, cwd }: DetectOptions = {}) {
-  let agent: Agent | null = null
-  let version: string | null = null
-
-  const lockPath = await findUp(Object.keys(LOCKS), { cwd })
-  let packageJsonPath: string | undefined
-
-  if (lockPath)
-    packageJsonPath = path.resolve(lockPath, '../package.json')
-  else
-    packageJsonPath = await findUp('package.json', { cwd })
-
-  // read `packageManager` field in package.json
-  if (packageJsonPath && fs.existsSync(packageJsonPath)) {
-    try {
-      const pkg = JSON.parse(fs.readFileSync(packageJsonPath, 'utf8'))
-      if (typeof pkg.packageManager === 'string') {
-        const [name, ver] = pkg.packageManager.replace(/^\^/, '').split('@')
-        version = ver
-        if (name === 'yarn' && Number.parseInt(ver) > 1) {
-          agent = 'yarn@berry'
-          // the version in packageManager isn't the actual yarn package version
-          version = 'berry'
-        }
-        else if (name === 'pnpm' && Number.parseInt(ver) < 7) {
-          agent = 'pnpm@6'
-        }
-        else if (name in AGENTS) {
-          agent = name
-        }
-        else if (!programmatic) {
-          console.warn('[ni] Unknown packageManager:', pkg.packageManager)
-        }
+  const pmDetection = await detectPM({
+    cwd,
+    onUnknown: (packageManager) => {
+      if (!programmatic) {
+        console.warn('[ni] Unknown packageManager:', packageManager)
       }
-    }
-    catch {}
-  }
+    },
+  })
 
-  // detect based on lock
-  if (!agent && lockPath)
-    agent = LOCKS[path.basename(lockPath)]
+  const agent = pmDetection?.agent ?? null
+  const version = pmDetection?.version ?? null
 
   // auto install
   if (agent && !cmdExists(agent.split('@')[0]) && !programmatic) {