Add support for Bun

.github/workflows/test.yml

@@ -17,6 +17,8 @@ jobs:
         uses: pnpm/action-setup@v3
         with:
           version: 9
+      - name: Install Bun
+        uses: oven-sh/setup-bun@v1
       - name: Install Node.js
         uses: actions/setup-node@v4
         with:
@@ -43,6 +45,8 @@ jobs:
         uses: pnpm/action-setup@v3
         with:
           version: 9
+      - name: Install Bun
+        uses: oven-sh/setup-bun@v1
       - name: Install Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
         with:
@@ -67,6 +71,8 @@ jobs:
         uses: pnpm/action-setup@v3
         with:
           version: 7
+      - name: Install Bun
+        uses: oven-sh/setup-bun@v1
       - name: Install Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
         with:

index.js

@@ -42,9 +42,12 @@ function detectLockfile() {
   let lockfileShrinkwrap = join(packageDir, 'npm-shrinkwrap.json')
   let lockfileYarn = join(packageDir, 'yarn.lock')
   let lockfilePnpm = join(packageDir, 'pnpm-lock.yaml')
+  let lockfileBun = join(packageDir, 'bun.lockb')
 
   if (existsSync(lockfilePnpm)) {
     return { file: lockfilePnpm, mode: 'pnpm' }
+  } else if (existsSync(lockfileBun)) {
+    return { file: lockfileBun, mode: 'bun' }
   } else if (existsSync(lockfileNpm)) {
     return { file: lockfileNpm, mode: 'npm' }
   } else if (existsSync(lockfileYarn)) {
@@ -287,6 +290,8 @@ module.exports = function updateDB(print = defaultPrint) {
     updateWith(print, yarnCommand + ' up -R caniuse-lite')
   } else if (lock.mode === 'pnpm') {
     updateWith(print, 'pnpm up caniuse-lite')
+  } else if (lock.mode === 'bun') {
+    updateWith(print, 'bun update caniuse-lite')
   } else {
     updatePackageManually(print, lock, latest)
   }

test/fixtures/update-bun/package.json

@@ -0,0 +1,7 @@
+{
+  "devDependencies": {
+    "autoprefixer": "^9.7.4",
+    "postcss-preset-env": "^6.7.0",
+    "qs": "^6.6.0"
+  }
+}

test/index.test.js

@@ -264,4 +264,18 @@ test('updates caniuse-lite for pnpm', async () => {
   )
 })
 
+test('updates caniuse-lite for bun', async () => {
+  await chdir('update-bun', 'package.json', 'bun.lockb')
+  match(
+    runUpdate(),
+    `Latest version:     ${caniuse.version}\n` +
+      'Updating caniuse-lite version\n' +
+      '$ bun update caniuse-lite\n' +
+      'caniuse-lite has been successfully updated\n'
+  )
+
+  let pmls = execSync('bun pm ls --all', { env: { ...process.env, NO_COLOR: "1", FORCE_COLOR: "0" } }).toString()
+  ok(pmls.includes(`caniuse-lite@${caniuse.version}`))
+})
+
 test.run()