Add the `googlesitekit-key-metrics-setup` screen and script asset with stub content, including webpack configuration.

[techanvil]

Feature Description

Add the googlesitekit-key-metrics-setup screen and script asset with stub content, including webpack configuration.

For reference, see the Key Metrics setup section in the Design Doc.

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Do not alter or remove anything below. The following sections will be managed by moderators only.

Acceptance criteria

• A new WordPress screen googlesitekit-key-metrics-setup is created.
• The screen is only accessible to administrators.
• The screen doesn't appear in the WordPress menu.
• The new screen renders basic stub content without full functionality.

Implementation Brief

• Create a new component, KeyMetricsSetupApp, in assets/js/components/key-metrics-setup/KeyMetricsSetupApp.js.
  • Render some basic stub content in the component.
• Create the entry point for the JS asset, assets/js/googlesitekit-key-metrics-setup.js.
  • Follow the pattern of the googlesitekit-user-input.js file.
  • Use the render target js-googlesitekit-key-metrics-setup.
  • Render the KeyMetricsSetupApp component, wrapped in the Root component with a new VIEW_CONTEXT_KEY_METRICS_SETUP view context.
• Add the new JS asset to the list of modules in assets/webpack/modules.config.js.
• In Core::Admin::Screens::get_screens(), add a new screen with the slug googlesitekit-key-metrics-setup.
  • capability should be Permissions::MANAGE_OPTIONS.
  • parent_slug should be self::PARENT_SLUG_NULL.
• In Core::Assets::get_assets(), add a new asset with the handle googlesitekit-key-metrics-setup.
  • src should point to googlesitekit-key-metrics-setup.js.
  • dependencies should be the same as the user-input asset, i.e. the dashboard dependencies.

Test Coverage

• No new tests needed.

QA Brief

• Set up Site Kit
• Visit wp-admin/admin.php?page=googlesitekit-key-metrics-setup
• Ensure that the screen loads and has the stub content.
• Ensure the screen is not linked to in the menu.

Changelog entry

• Add the googlesitekit-key-metrics-setup screen, with stub content.

[nfmohit]

IB ✅