From c04debd3d678548b6701fbbaa3a6a39039a2c1ed Mon Sep 17 00:00:00 2001
From: David Goss <david@davidgoss.co>
Date: Wed, 6 Sep 2023 08:11:37 +0100
Subject: [PATCH 1/2] allow single-item arrays as a format

---
 src/api/convert_configuration_spec.ts | 27 ++++++++++++++++++++++++++-
 src/configuration/types.ts            |  2 +-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/src/api/convert_configuration_spec.ts b/src/api/convert_configuration_spec.ts
index 2cbe918b6..4ca25d26b 100644
--- a/src/api/convert_configuration_spec.ts
+++ b/src/api/convert_configuration_spec.ts
@@ -39,7 +39,7 @@ describe('convertConfiguration', () => {
     })
   })
 
-  it('should map multiple formatters with string and array notations', async () => {
+  it('should map multiple formatters with string notation', async () => {
     const result = await convertConfiguration(
       {
         ...DEFAULT_CONFIGURATION,
@@ -47,6 +47,31 @@ describe('convertConfiguration', () => {
           'summary',
           'message',
           'json:./report.json',
+          'html:./report.html',
+        ],
+      },
+      {}
+    )
+
+    expect(result.formats).to.eql({
+      stdout: 'message',
+      files: {
+        './report.html': 'html',
+        './report.json': 'json',
+      },
+      publish: false,
+      options: {},
+    })
+  })
+
+  it('should map multiple formatters with array notation', async () => {
+    const result = await convertConfiguration(
+      {
+        ...DEFAULT_CONFIGURATION,
+        format: [
+          ['summary'],
+          ['message'],
+          ['json', './report.json'],
           ['html', './report.html'],
         ],
       },
diff --git a/src/configuration/types.ts b/src/configuration/types.ts
index ad43d96f9..8310ec75c 100644
--- a/src/configuration/types.ts
+++ b/src/configuration/types.ts
@@ -1,7 +1,7 @@
 import { FormatOptions } from '../formatter'
 import { PickleOrder } from '../models/pickle_order'
 
-type FormatsConfiguration = Array<string | [string, string]>
+type FormatsConfiguration = Array<string | [string, string?]>
 
 export interface IConfiguration {
   backtrace: boolean

From ede5eb6ab93e5f616cfc9fd88fa63b92dae6dce2 Mon Sep 17 00:00:00 2001
From: David Goss <david@davidgoss.co>
Date: Wed, 6 Sep 2023 08:18:22 +0100
Subject: [PATCH 2/2] update CHANGELOG.md

---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5d8c77c79..3f11f1c77 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 Please see [CONTRIBUTING.md](./CONTRIBUTING.md) on how to contribute to Cucumber.
 
 ## [Unreleased]
+### Fixed
+- Allow single-item arrays as a format ([#2324](https://github.com/cucumber/cucumber-js/pull/2324))
 
 ## [9.5.0] - 2023-09-03
 ### Added