fix(arborist): save bundleDependencies to package.json when reifying

workspaces/arborist/lib/arborist/reify.js

@@ -1369,13 +1369,18 @@ module.exports = cls => class Reifier extends cls {
         devDependencies = {},
         optionalDependencies = {},
         peerDependencies = {},
+        // bundleDependencies is not required by PackageJson like the other fields here
+        // PackageJson also doesn't omit an empty array for this field so defaulting this
+        // to an empty array would add that field to every package.json file.
+        bundleDependencies,
       } = tree.package
 
       pkgJson.update({
         dependencies,
         devDependencies,
         optionalDependencies,
         peerDependencies,
+        bundleDependencies,
       })
       await pkgJson.save()
     }

workspaces/arborist/tap-snapshots/test/arborist/reify.js.test.cjs

@@ -33164,6 +33164,10 @@ exports[`test/arborist/reify.js TAP save-prod, with optional > must match snapsh
 {"dependencies":{"abbrev":"^1.1.1"}}
 `
 
+exports[`test/arborist/reify.js TAP saveBundle > must match snapshot 1`] = `
+{"dependencies":{"abbrev":"^1.1.1"},"bundleDependencies":["abbrev"]}
+`
+
 exports[`test/arborist/reify.js TAP saving the ideal tree save some stuff > lock after save 1`] = `
 Object {
   "dependencies": Object {

workspaces/arborist/test/arborist/reify.js

@@ -1783,6 +1783,17 @@ t.test('save-prod, with optional', async t => {
   t.matchSnapshot(fs.readFileSync(path + '/package.json', 'utf8'))
 })
 
+t.test('saveBundle', async t => {
+  const path = t.testdir({
+    'package.json': JSON.stringify({
+      dependencies: { abbrev: '*' },
+    }),
+  })
+  const arb = newArb({ path })
+  await arb.reify({ add: ['abbrev'], saveType: 'prod', saveBundle: true })
+  t.matchSnapshot(fs.readFileSync(path + '/package.json', 'utf8'))
+})
+
 t.test('no saveType: dev w/ compatible peer', async t => {
   const path = t.testdir({
     'package.json': JSON.stringify({