Summary

This PR refactors CSS class naming throughout GatherPress to establish a consistent, maintainable component-based naming pattern. The changes improve code clarity, reduce confusion, and align class names with their corresponding block names.

Key Changes

Modal Classes

• Modal triggers:

  • gatherpress--open-modal → gatherpress-modal--trigger-open
  • gatherpress--close-modal → gatherpress-modal--trigger-close
  • Rationale: Clarifies intent and eliminates confusion where the same class was previously used for both opening and closing modals*

• Modal types:

  • gatherpress--is-rsvp-modal → gatherpress-modal--type-rsvp
  • gatherpress--is-login-modal → gatherpress-modal--type-login
  • Rationale: Uses clearer --type- pattern to identify modal variants*

RSVP Classes

• RSVP triggers:

  • gatherpress--update-rsvp → gatherpress-rsvp--trigger-update
  • Rationale: Follows component pattern, clearly indicates action trigger*

• Empty state:

  • gatherpress--empty-rsvp → gatherpress-rsvp-response--no-responses
  • Rationale: Clearly associates with the rsvp-response block component*

Form Field Classes

• Field types:
  • gatherpress-field-type-* → gatherpress-form-field--*
  • Examples: gatherpress-field-type-checkbox → gatherpress-form-field--checkbox
  • Rationale: Aligns with the actual block name "form-field" for consistency*

Visibility Classes

• gatherpress--is-not-visible → gatherpress--is-hidden
• Rationale: More concise and conventional naming*

RSVP State Classes

• gatherpress--rsvp-attending → gatherpress--is-attending
• gatherpress--rsvp-waiting-list → gatherpress--is-waiting-list
• gatherpress--rsvp-not-attending → gatherpress--is-not-attending
• Rationale: Uses state-like naming pattern for clarity*

Technical Improvements

• Replaced deprecated strpos() with str_contains() throughout PHP codebase (WordPress provides polyfill)
• Added backwards compatibility layer via gatherpress-alpha plugin for smooth migration
• Extended migration to include FSE template post types (wp_template, wp_template_part)

Testing

• All unit tests pass (PHP and JavaScript)
• Build completes successfully
• Backwards compatibility tested via gatherpress-alpha migration mappings

Migration Support

The gatherpress-alpha plugin includes a complete migration system that automatically updates all existing content with the new class names, ensuring no breaking changes for existing installations. That PR can be found here.