Fix modern Bun lockfile cleanup in app templates

.changeset/fix-bun-lockfile-cleanup.md

@@ -0,0 +1,6 @@
+---
+'@shopify/app': patch
+'@shopify/cli-kit': patch
+---
+
+Handle modern Bun `bun.lock` files when cleaning up app templates so non-Bun projects do not keep stale Bun lockfiles or `.gitignore` entries.

packages/app/src/cli/services/init/template/cleanup.test.ts

@@ -68,6 +68,7 @@ describe('cleanup', () => {
       await writeFile(joinPath(tmpDir, 'package-lock.json'), '{}')
       await writeFile(joinPath(tmpDir, 'yarn.lock'), '{}')
       await writeFile(joinPath(tmpDir, 'pnpm-lock.yaml'), '{}')
+      await writeFile(joinPath(tmpDir, 'bun.lock'), '{}')
       await writeFile(joinPath(tmpDir, 'bun.lockb'), '{}')
 
       // When
@@ -77,6 +78,7 @@ describe('cleanup', () => {
       await expect(fileExists(joinPath(tmpDir, 'package-lock.json'))).resolves.toBe(packageManager === 'npm')
       await expect(fileExists(joinPath(tmpDir, 'yarn.lock'))).resolves.toBe(packageManager === 'yarn')
       await expect(fileExists(joinPath(tmpDir, 'pnpm-lock.yaml'))).resolves.toBe(packageManager === 'pnpm')
+      await expect(fileExists(joinPath(tmpDir, 'bun.lock'))).resolves.toBe(packageManager === 'bun')
       await expect(fileExists(joinPath(tmpDir, 'bun.lockb'))).resolves.toBe(packageManager === 'bun')
     })
   })
@@ -87,6 +89,7 @@ describe('cleanup', () => {
       await writeFile(joinPath(tmpDir, 'package-lock.json'), '{}')
       await writeFile(joinPath(tmpDir, 'yarn.lock'), '{}')
       await writeFile(joinPath(tmpDir, 'pnpm-lock.yaml'), '{}')
+      await writeFile(joinPath(tmpDir, 'bun.lock'), '{}')
       await writeFile(joinPath(tmpDir, 'bun.lockb'), '{}')
 
       // When
@@ -96,6 +99,7 @@ describe('cleanup', () => {
       await expect(fileExists(joinPath(tmpDir, 'package-lock.json'))).resolves.toBe(false)
       await expect(fileExists(joinPath(tmpDir, 'yarn.lock'))).resolves.toBe(false)
       await expect(fileExists(joinPath(tmpDir, 'pnpm-lock.yaml'))).resolves.toBe(false)
+      await expect(fileExists(joinPath(tmpDir, 'bun.lock'))).resolves.toBe(false)
       await expect(fileExists(joinPath(tmpDir, 'bun.lockb'))).resolves.toBe(false)
     })
   })

packages/app/src/cli/services/init/template/cleanup.ts

@@ -1,5 +1,5 @@
 import {rmdir, glob, fileExistsSync, unlinkFile} from '@shopify/cli-kit/node/fs'
-import {Lockfile, lockfilesByManager, PackageManager} from '@shopify/cli-kit/node/node-package-manager'
+import {lockfiles, lockfilesByManager, PackageManager} from '@shopify/cli-kit/node/node-package-manager'
 import {joinPath} from '@shopify/cli-kit/node/path'
 
 export default async function cleanup(webOutputDirectory: string, packageManager: PackageManager) {
@@ -23,12 +23,13 @@ export default async function cleanup(webOutputDirectory: string, packageManager
 
   const gitPathPromises = gitPaths.map((path) => rmdir(path, {force: true}))
 
-  const lockfilePromises = Object.entries(lockfilesByManager)
-    .filter(([manager, lockfile]) => manager !== packageManager && lockfile)
-    .map(([_, lockfile]) => {
-      const path = joinPath(webOutputDirectory, lockfile as Lockfile)
+  const lockfilesToKeep = new Set(lockfilesByManager[packageManager])
+  const lockfilePromises = lockfiles
+    .filter((lockfile) => !lockfilesToKeep.has(lockfile))
+    .map((lockfile) => {
+      const path = joinPath(webOutputDirectory, lockfile)
       if (fileExistsSync(path)) return unlinkFile(path)
-    }, [])
+    })
 
   return Promise.all([...gitPathPromises, ...lockfilePromises])
 }

packages/cli-kit/src/public/node/node-package-manager.test.ts

@@ -22,6 +22,7 @@ import {
   inferPackageManager,
   PackageManager,
   npmLockfile,
+  lockfilesByManager,
 } from './node-package-manager.js'
 import {captureOutput, exec} from './system.js'
 import {inTemporaryDirectory, mkdir, touchFile, writeFile} from './fs.js'
@@ -132,6 +133,12 @@ describe('install', () => {
   })
 })
 
+describe('lockfilesByManager', () => {
+  test('maps Bun to both lockfile names', () => {
+    expect(lockfilesByManager.bun).toEqual(['bun.lockb', 'bun.lock'])
+  })
+})
+
 describe('getPackageName', () => {
   test('returns package name', async () => {
     await inTemporaryDirectory(async (tmpDir) => {

packages/cli-kit/src/public/node/node-package-manager.ts

@@ -29,16 +29,16 @@ const modernBunLockfile = 'bun.lock'
 export const pnpmWorkspaceFile = 'pnpm-workspace.yaml'
 
 /** An array containing the lockfiles from all the package managers */
-export const lockfiles: Lockfile[] = [yarnLockfile, pnpmLockfile, npmLockfile, bunLockfile]
-export const lockfilesByManager: Record<PackageManager, Lockfile | undefined> = {
-  yarn: yarnLockfile,
-  npm: npmLockfile,
-  pnpm: pnpmLockfile,
-  bun: bunLockfile,
-  homebrew: undefined,
-  unknown: undefined,
-}
-export type Lockfile = 'yarn.lock' | 'package-lock.json' | 'pnpm-lock.yaml' | 'bun.lockb'
+export const lockfiles: Lockfile[] = [yarnLockfile, pnpmLockfile, npmLockfile, bunLockfile, modernBunLockfile]
+export const lockfilesByManager: Record<PackageManager, Lockfile[]> = {
+  yarn: [yarnLockfile],
+  npm: [npmLockfile],
+  pnpm: [pnpmLockfile],
+  bun: [bunLockfile, modernBunLockfile],
+  homebrew: [],
+  unknown: [],
+}
+export type Lockfile = 'yarn.lock' | 'package-lock.json' | 'pnpm-lock.yaml' | 'bun.lockb' | 'bun.lock'
 
 /**
  * A union type that represents the type of dependencies in the package.json