fix(pkg): display if any of multiple attributes exist

lib/commands/pkg.js

@@ -63,12 +63,12 @@ class Pkg extends BaseCommand {
 
     if (args.length) {
       result = new Queryable(result).query(args)
-      // in case there's only a single result from the query
-      // just prints that one element to stdout
+      // in case there's only a single argument and a single result from the query
+      // just prints that one element to stdout.
       // TODO(BREAKING_CHANGE): much like other places where we unwrap single
       // item arrays this should go away. it makes the behavior unknown for users
       // who don't already know the shape of the data.
-      if (Object.keys(result).length === 1) {
+      if (Object.keys(result).length === 1 && args.length === 1) {
         result = result[args]
       }
     }

test/lib/commands/pkg.js

@@ -108,6 +108,26 @@ t.test('get multiple arg', async t => {
   )
 })
 
+t.test('get multiple arg with only one arg existing', async t => {
+  const { pkg, OUTPUT } = await mockNpm(t, {
+    prefixDir: {
+      'package.json': JSON.stringify({
+        name: 'foo',
+      }),
+    },
+  })
+
+  await pkg('get', 'name', 'version', 'dependencies')
+
+  t.strictSame(
+    JSON.parse(OUTPUT()),
+    {
+      name: 'foo',
+    },
+    'should print retrieved package.json field'
+  )
+})
+
 t.test('get multiple arg with empty value', async t => {
   const { pkg, OUTPUT } = await mockNpm(t, {
     prefixDir: {