feat: bun as packageManager option

README.md

@@ -12,7 +12,7 @@
 - sensible defaults
 - lots of options for custom behavior
 - CLI and module usage
-- compatible with `npm`, `yarn`, and `pnpm`
+- compatible with `npm`, `yarn`, `pnpm`, `bun`
 
 ![npm-check-updates-screenshot](https://github.com/raineorshine/npm-check-updates/blob/main/.github/screenshot.png?raw=true)
 
@@ -277,7 +277,7 @@ Options that take no arguments can be negated by prefixing them with `--no-`, e.
   </tr>
   <tr>
     <td>-p, --packageManager <s></td>
-    <td>npm, yarn, pnpm, deno (default: npm).</td>
+    <td>npm, yarn, pnpm, deno, bun, staticRegistry (default: npm).</td>
   </tr>
   <tr>
     <td>--peer</td>
@@ -522,6 +522,7 @@ Specifies the package manager to use when looking up versions.
   <tr><td>npm</td><td>System-installed npm. Default.</td></tr>
   <tr><td>yarn</td><td>System-installed yarn. Automatically used if yarn.lock is present.</td></tr>
   <tr><td>pnpm</td><td>System-installed pnpm. Automatically used if pnpm-lock.yaml is present.</td></tr>
+  <tr><td>bun</td><td>System-installed bun. Automatically used if bun.lockb is present.</td></tr>
   <tr><td>staticRegistry</td><td>Deprecated. Use --registryType json.</td></tr>
 </table>
 

package.json

@@ -4,7 +4,8 @@
   "author": "Tomas Junnonen <[email protected]>",
   "license": "Apache-2.0",
   "contributors": [
-    "Raine Revere (https://github.com/raineorshine)"
+    "Raine Revere (https://github.com/raineorshine)",
+    "Imamuzzaki Abu Salam <[email protected]>"
   ],
   "description": "Find newer versions of dependencies than what your package.json allows",
   "keywords": [
@@ -19,7 +20,10 @@
     "updater",
     "version",
     "management",
-    "ncu"
+    "ncu",
+    "bun",
+    "yarn",
+    "pnpm"
   ],
   "engines": {
     "node": ">=14.14"
@@ -33,7 +37,7 @@
     "lint:lockfile": "lockfile-lint",
     "lint:markdown": "markdownlint \"**/*.md\" --ignore node_modules --ignore build --config .markdownlint.js",
     "lint:src": "eslint --cache --cache-location node_modules/.cache/.eslintcache --ignore-path .gitignore --report-unused-disable-directives .",
-    "prepare": "husky install",
+    "prepare": "husky install && bash test/bun-setup.sh",
     "prepublishOnly": "npm run build",
     "prettier": "prettier .",
     "test": "mocha test test/package-managers/*",
@@ -80,6 +84,7 @@
     "semver-utils": "^1.1.4",
     "source-map-support": "^0.5.21",
     "spawn-please": "^2.0.1",
+    "strip-ansi": "^7.1.0",
     "strip-json-comments": "^5.0.1",
     "untildify": "^4.0.0",
     "update-notifier": "^6.0.2"
@@ -134,7 +139,6 @@
     "prettier": "^2.8.8",
     "should": "^13.2.3",
     "sinon": "^15.2.0",
-    "strip-ansi": "^7.1.0",
     "ts-node": "^10.9.1",
     "typescript": "5.1.6",
     "typescript-json-schema": "0.59.0",

src/cli-options.ts

@@ -293,6 +293,7 @@ const extendedHelpPackageManager: ExtendedHelp = ({ markdown }) => {
       ['npm', `System-installed npm. Default.`],
       ['yarn', `System-installed yarn. Automatically used if yarn.lock is present.`],
       ['pnpm', `System-installed pnpm. Automatically used if pnpm-lock.yaml is present.`],
+      ['bun', `System-installed bun. Automatically used if bun.lockb is present.`],
       ['staticRegistry', `Deprecated. Use --registryType json.`],
     ],
   })
@@ -614,9 +615,9 @@ const cliOptions: CLIOption[] = [
     long: 'packageManager',
     short: 'p',
     arg: 's',
-    description: 'npm, yarn, pnpm, deno (default: npm).',
+    description: 'npm, yarn, pnpm, deno, bun, staticRegistry (default: npm).',
     help: extendedHelpPackageManager,
-    type: `'npm' | 'yarn' | 'pnpm' | 'deno' | 'staticRegistry'`,
+    type: `'npm' | 'yarn' | 'pnpm' | 'deno' | 'bun' | 'staticRegistry'`,
   },
   {
     long: 'peer',

src/index.ts

@@ -62,7 +62,7 @@ function checkIfVolta(options: Options): void {
   }
 }
 
-/** Returns the package manager that should be used to install packages after running "ncu -u". Detects pnpm via pnpm-lock.yarn. */
+/** Returns the package manager that should be used to install packages after running "ncu -u". Detects pnpm via pnpm-lock.yaml. This is the one place that pnpm needs to be detected, since otherwise it is backwards compatible with npm. */
 const getPackageManagerForInstall = async (options: Options, pkgFile: string) => {
   // when packageManager is set to staticRegistry, we need to infer the package manager from lock files
   if (options.packageManager === 'staticRegistry') determinePackageManager({ ...options, packageManager: undefined })

src/lib/determinePackageManager.ts

@@ -10,6 +10,7 @@ const packageManagerLockfileMap: Index<PackageManagerName> = {
   yarn: 'yarn',
   'pnpm-lock': 'pnpm',
   deno: 'deno',
+  bun: 'bun',
 }
 
 /**

src/lib/doctor.ts

@@ -2,6 +2,7 @@ import fs from 'fs/promises'
 import { rimraf } from 'rimraf'
 import spawn from 'spawn-please'
 import { printUpgrades } from '../lib/logging'
+import spawnBun from '../package-managers/bun'
 import spawnNpm from '../package-managers/npm'
 import spawnPnpm from '../package-managers/pnpm'
 import spawnYarn from '../package-managers/yarn'
@@ -17,7 +18,7 @@ import upgradePackageData from './upgradePackageData'
 
 type Run = (options?: Options) => Promise<PackageFile | Index<VersionSpec> | void>
 
-/** Run npm, yarn, or pnpm. */
+/** Run npm, yarn, pnpm, or bun. */
 const npm = (
   args: string[],
   options: Options,
@@ -45,11 +46,15 @@ const npm = (
     ...(options.prefix ? { prefix: options.prefix } : null),
   }
 
-  return (options.packageManager === 'pnpm' ? spawnPnpm : options.packageManager === 'yarn' ? spawnYarn : spawnNpm)(
-    args,
-    npmOptions,
-    spawnOptionsMerged as any,
-  )
+  return (
+    options.packageManager === 'pnpm'
+      ? spawnPnpm
+      : options.packageManager === 'yarn'
+      ? spawnYarn
+      : options.packageManager === 'bun'
+      ? spawnBun
+      : spawnNpm
+  )(args, npmOptions, spawnOptionsMerged as any)
 }
 
 /** Load and validate package file and tests. */
@@ -91,6 +96,8 @@ const doctor = async (run: Run, options: Options): Promise<void> => {
       ? 'yarn.lock'
       : options.packageManager === 'pnpm'
       ? 'pnpm-lock.yaml'
+      : options.packageManager === 'bun'
+      ? 'bun.lockb'
       : 'package-lock.json'
   const { pkg, pkgFile }: PackageInfo = await loadPackageFileForDoctor(options)
 
@@ -256,7 +263,9 @@ const doctor = async (run: Run, options: Options): Promise<void> => {
         // install single dependency
         await npm(
           [
-            ...(options.packageManager === 'yarn' || options.packageManager === 'pnpm'
+            ...(options.packageManager === 'yarn' ||
+            options.packageManager === 'pnpm' ||
+            options.packageManager === 'bun'
               ? ['add']
               : ['install', '--no-save']),
             `${name}@${version}`,
@@ -299,7 +308,11 @@ const doctor = async (run: Run, options: Options): Promise<void> => {
         await fs.writeFile(lockFileName, lockFile)
 
         // restore package.json since yarn and pnpm do not have the --no-save option
-        if (options.packageManager === 'yarn' || options.packageManager === 'pnpm') {
+        if (
+          options.packageManager === 'yarn' ||
+          options.packageManager === 'pnpm' ||
+          options.packageManager === 'bun'
+        ) {
           await fs.writeFile('package.json', lastPkgFile)
         }
       }

src/lib/findLockfile.ts

@@ -3,7 +3,7 @@ import path from 'path'
 import { Options } from '../types/Options'
 
 /**
- * Goes up the filesystem tree until it finds a package-lock.json or yarn.lock.
+ * Goes up the filesystem tree until it finds a package-lock.json, yarn.lock, pnpm-lock.yaml, deno.json, deno.jsonc, or bun.lockb file.
  *
  * @param readdir This is only a parameter so that it can be used in tests.
  * @returns The path of the directory that contains the lockfile and the
@@ -33,6 +33,8 @@ export default async function findLockfile(
         return { directoryPath: currentPath, filename: 'deno.json' }
       } else if (files.includes('deno.jsonc')) {
         return { directoryPath: currentPath, filename: 'deno.jsonc' }
+      } else if (files.includes('bun.lockb')) {
+        return { directoryPath: currentPath, filename: 'bun.lockb' }
       }
 
       const pathParent = path.resolve(currentPath, '..')

src/lib/runGlobal.ts

@@ -57,6 +57,8 @@ async function runGlobal(options: Options): Promise<Index<string> | void> {
         ? 'yarn global upgrade'
         : options.packageManager === 'pnpm'
         ? 'pnpm -g add'
+        : options.packageManager === 'bun'
+        ? 'bun add -g'
         : 'npm -g install'
 
     print(

src/package-managers/README.md

@@ -1,3 +1,7 @@
+# Package Managers
+
+## How to add a new package manager
+
 To add support for another package manager, drop in a module with the following interface.
 
 ```js

src/package-managers/bun.ts

@@ -0,0 +1,79 @@
+import { Options } from 'pacote'
+import spawn from 'spawn-please'
+import keyValueBy from '../lib/keyValueBy'
+import programError from '../lib/programError'
+import { Index } from '../types/IndexType'
+import { NpmOptions } from '../types/NpmOptions'
+import * as npm from './npm'
+
+/** Spawn bun. */
+async function spawnBun(
+  args: string | string[],
+  npmOptions: NpmOptions = {},
+  spawnOptions: Index<any> = {},
+): Promise<string> {
+  // Bun not yet supported on Windows.
+  // @see https://github.com/oven-sh/bun/issues/43
+  if (process.platform === 'win32') {
+    programError(npmOptions, 'Bun not yet supported on Windows')
+  }
+
+  args = Array.isArray(args) ? args : [args]
+
+  const fullArgs = [
+    ...args,
+    ...(npmOptions.prefix ? `--prefix=${npmOptions.prefix}` : []),
+    ...(npmOptions.location === 'global' ? ['--global'] : []),
+  ]
+
+  return spawn('bun', fullArgs, spawnOptions)
+}
+/**
+ * (Bun) Fetches the list of all installed packages.
+ */
+export const list = async (options: Options = {}): Promise<Index<string | undefined>> => {
+  const { default: stripAnsi } = await import('strip-ansi')
+
+  // bun pm ls
+  const stdout = await spawnBun(
+    ['pm', 'ls'],
+    {
+      ...(options.global ? { location: 'global' } : null),
+      ...(options.prefix ? { prefix: options.prefix } : null),
+    },
+    {
+      env: {
+        ...process.env,
+        // Disable color to ensure the output is parsed correctly.
+        // However, this may be ineffective in some environments (see stripAnsi below).
+        // https://bun.sh/docs/runtime/configuration#environment-variables
+        NO_COLOR: '1',
+      },
+      ...(options.cwd ? { cwd: options.cwd } : null),
+      rejectOnError: false,
+    },
+  )
+
+  // Parse the output of `bun pm ls` into an object { [name]: version }.
+  // When bun is spawned in the GitHub Actions environment, it outputs ANSI color. Unfortunately, it does not respect the `NO_COLOR` envirionment variable. Therefore, we have to manually strip ansi.
+  const lines = stripAnsi(stdout).split('\n')
+  const dependencies = keyValueBy(lines, line => {
+    const match = line.match(/.* (.*?)@(.+)/)
+    if (match) {
+      const [, name, version] = match
+      return { [name]: version }
+    }
+    return null
+  })
+
+  return dependencies
+}
+
+export const greatest = npm.greatest
+export const latest = npm.latest
+export const newest = npm.newest
+export const semver = npm.semver
+export const minor = npm.minor
+export const patch = npm.patch
+
+export default spawnBun

src/package-managers/index.ts

@@ -1,5 +1,6 @@
 import { Index } from '../types/IndexType'
 import { PackageManager } from '../types/PackageManager'
+import * as bun from './bun'
 import * as gitTags from './gitTags'
 import * as npm from './npm'
 import * as pnpm from './pnpm'
@@ -10,6 +11,7 @@ export default {
   npm,
   pnpm,
   yarn,
+  bun,
   gitTags,
   staticRegistry,
 } as Index<PackageManager>

src/types/PackageManagerName.ts

@@ -1,2 +1,2 @@
 /** A valid package manager. */
-export type PackageManagerName = 'npm' | 'yarn' | 'pnpm' | 'deno' | 'staticRegistry'
+export type PackageManagerName = 'npm' | 'yarn' | 'pnpm' | 'deno' | 'bun' | 'staticRegistry'

src/types/RunOptions.json

@@ -352,8 +352,8 @@
       "type": "string"
     },
     "packageManager": {
-      "description": "npm, yarn, pnpm, deno (default: npm). Run \"ncu --help --packageManager\" for details.",
-      "enum": ["deno", "npm", "pnpm", "staticRegistry", "yarn"],
+      "description": "npm, yarn, pnpm, deno, bun, staticRegistry (default: npm). Run \"ncu --help --packageManager\" for details.",
+      "enum": ["bun", "deno", "npm", "pnpm", "staticRegistry", "yarn"],
       "type": "string"
     },
     "peer": {

src/types/RunOptions.ts

@@ -127,8 +127,8 @@ export interface RunOptions {
   /** Package file(s) location. (default: ./package.json) */
   packageFile?: string
 
-  /** npm, yarn, pnpm, deno (default: npm). Run "ncu --help --packageManager" for details. */
-  packageManager?: 'npm' | 'yarn' | 'pnpm' | 'deno' | 'staticRegistry'
+  /** npm, yarn, pnpm, deno, bun, staticRegistry (default: npm). Run "ncu --help --packageManager" for details. */
+  packageManager?: 'npm' | 'yarn' | 'pnpm' | 'deno' | 'bun' | 'staticRegistry'
 
   /** Check peer dependencies of installed packages and filter updates to compatible versions. Run "ncu --help --peer" for details. */
   peer?: boolean

test/bun-setup.sh

@@ -0,0 +1,12 @@
+# Install bun if not installed.
+# Must be run in a prepare script instead of devDependencies to avoid npm install failing on Windows.
+bun -v &> /dev/null
+BUN_EXISTS="$?"
+
+if [ $BUN_EXISTS -ne 0 ]; then
+  npm install -g bun
+fi
+
+# Always return success, even if the install script fails.
+# Windows is expected to fail and the bun tests will be skipped.
+exit 0