fix missing json output for theme info command when dev and theme flags are missing

.changeset/silver-clouds-smell.md

@@ -0,0 +1,5 @@
+---
+'@shopify/cli': patch
+---
+
+fix missing json output for theme info when no theme or dev flag is present

packages/theme/src/cli/commands/theme/info.ts

@@ -1,5 +1,5 @@
 import {themeFlags} from '../../flags.js'
-import {fetchThemeInfo, fetchDevInfo, formatThemeInfo} from '../../services/info.js'
+import {fetchThemeInfo, fetchDevInfo, formatThemeInfo, devInfoJSON} from '../../services/info.js'
 import ThemeCommand from '../../utilities/theme-command.js'
 import {Flags} from '@oclif/core'
 import {AdminSession} from '@shopify/cli-kit/node/session'
@@ -50,6 +50,9 @@ export default class Info extends ThemeCommand {
       renderInfo(formattedInfo)
     } else {
       const infoMessage = await fetchDevInfo({cliVersion: this.config.version})
+      if (flags.json) {
+        return outputResult(JSON.stringify(devInfoJSON({cliVersion: this.config.version}), null, 2))
+      }
       renderInfo({customSections: infoMessage})
     }
     recordTiming('theme-command:info')

packages/theme/src/cli/services/info.test.ts

@@ -1,10 +1,12 @@
-import {themeInfoJSON, fetchThemeInfo} from './info.js'
+import {themeInfoJSON, fetchThemeInfo, devInfoJSON} from './info.js'
+import {getDevelopmentTheme, getThemeStore} from './local-storage.js'
 import {findOrSelectTheme} from '../utilities/theme-selector.js'
 import {DevelopmentThemeManager} from '../utilities/development-theme-manager.js'
 import {themePreviewUrl, themeEditorUrl} from '@shopify/cli-kit/node/themes/urls'
 import {Theme} from '@shopify/cli-kit/node/themes/types'
 import {describe, vi, test, expect} from 'vitest'
 
+vi.mock('./local-storage.js')
 vi.mock('../utilities/development-theme-manager.js')
 vi.mock('../utilities/theme-selector.js', () => {
   return {findOrSelectTheme: vi.fn()}
@@ -47,6 +49,23 @@ describe('info', () => {
     expect(output).toHaveProperty('theme.editor_url', expect.stringContaining(session.storeFqdn))
   })
 
+  test('generate dev info JSON when no theme or dev flag provided', () => {
+    // Given
+    vi.mocked(getThemeStore).mockReturnValue('my-shop.myshopify.com')
+    vi.mocked(getDevelopmentTheme).mockReturnValue(undefined)
+
+    // When
+    const output = devInfoJSON({cliVersion: '3.91.0'})
+
+    // Then
+    expect(output).toHaveProperty('store', 'my-shop.myshopify.com')
+    expect(output).toHaveProperty('development_theme_id', null)
+    expect(output).toHaveProperty('cli_version', '3.91.0')
+    expect(output).toHaveProperty('os', expect.stringContaining('-'))
+    expect(output).toHaveProperty('shell', process.env.SHELL ?? 'unknown')
+    expect(output).toHaveProperty('node_version', process.version)
+  })
+
   test('fetch theme info by id', async () => {
     // Given
     vi.mocked(findOrSelectTheme).mockResolvedValue(theme)

packages/theme/src/cli/services/info.ts

@@ -28,6 +28,15 @@ interface ThemeInfoOptions {
   json?: boolean
 }
 
+interface DevInfo {
+  store: string
+  development_theme_id: string | null
+  cli_version: string
+  os: string
+  shell: string
+  node_version: string
+}
+
 export function themeInfoJSON(theme: Theme, adminSession: AdminSession): ThemeInfo {
   return {
     theme: {
@@ -41,6 +50,19 @@ export function themeInfoJSON(theme: Theme, adminSession: AdminSession): ThemeIn
   }
 }
 
+export function devInfoJSON(config: {cliVersion: string}): DevInfo {
+  const {platform, arch} = platformAndArch()
+  const store = getThemeStore()
+  return {
+    store: store ?? 'Not configured',
+    development_theme_id: store ? getDevelopmentTheme() ?? null : null,
+    cli_version: config.cliVersion,
+    os: `${platform}-${arch}`,
+    shell: process.env.SHELL ?? 'unknown',
+    node_version: process.version,
+  }
+}
+
 export async function fetchThemeInfo(
   adminSession: AdminSession,
   options: ThemeInfoOptions,