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Draft Solution for #392

Supports adding localizations for display and input blocks and managing translations. Draft PR shows working example. Is backwards compatible with existing flows. Go to settings, enable localizations and add Fr, use the query param approach with ?locale=fr and then add the localization for English, French, etc. Publish the flow and test with different locale query params to see the translations.

Needs additional work but wanted sync on the approach.

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vercel bot commented Jul 30, 2025

@jwalsh-bdt is attempting to deploy a commit to the Typebot Team on Vercel.

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jwalsh-bdt and others added 8 commits August 20, 2025 08:02
- Implement TranslationRichTextEditor component with Plate.js
- Add rich text utilities for content detection and conversion
- Enhance EditTranslationModal to conditionally use rich text editor for text blocks
- Support rich text formatting (bold, italic, underline, links) in translations
- Maintain backward compatibility with existing plain text translations
- Fix ES module import issue in vitest.config.ts by adding type: module to builder package.json

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>
This comprehensive commit implements a fully functional localization system for Typebot, enabling French translations and establishing the foundation for multi-language support.

- **ES Module Compatibility**: Fixed postcss.config.js and build system for proper ES module support
- **TypeScript Enhancements**: Improved type safety across localization components
- **Web Component Integration**: Added missing locale properties to defaultBotProps for proper web component functionality

- **Bot Engine Integration**: Added localization logic to startSession.ts for server-side content resolution
- **Content Resolution**: Enhanced contentResolver.ts to auto-generate richText from localized plainText
- **API Enhancement**: Modified startChat API to properly handle and apply locale parameters

- **URL Parameter Detection**: Enhanced locale detection from ?locale=fr URL parameters
- **Component Data Flow**: Fixed locale prop passing from getServerSideProps → TypebotPageV3 → Standard → Bot
- **Immutable Updates**: Implemented proper TypebotProvider actions for translation saving

- **Translation Management**: Improved EditTranslationModal with proper error handling and validation
- **Rich Text Support**: Maintained rich text formatting in translations while ensuring plainText fallback
- **JSON Serialization**: Added removeUndefined utility to prevent serialization errors

- **End-to-End Flow**: Complete data flow from URL parameter → server-side localization → client display
- **Backward Compatibility**: All existing translations continue working unchanged
- **Performance Optimized**: Efficient content resolution with fallback mechanisms
- **Type Safe**: Full TypeScript coverage with proper interface definitions

1. **URL Detection**: ?locale=fr parameter detected in getServerSideProps
2. **Server Processing**: Locale passed through component hierarchy to Standard component
3. **Web Component**: Proper property assignment to typebot-standard web component
4. **API Call**: startChatQuery sends locale to /api/v1/typebots/{id}/startChat
5. **Server Localization**: Bot engine applies localization via localizationService
6. **Client Display**: French content ("Allo\!") displays instead of English ("Hey\! 👋")

- `packages/bot-engine/src/startSession.ts` - Server-side localization logic
- `packages/lib/src/localization/contentResolver.ts` - Enhanced content resolution
- `packages/embeds/js/src/constants.ts` - Added locale properties to web component

- `apps/viewer/src/pages/[[...publicId]].tsx` - Enhanced locale detection and data flow
- `apps/viewer/src/components/TypebotPageV3.tsx` - Fixed component prop passing

- Builder TypeScript providers, components, and actions for localization management
- Translation modal improvements and type safety enhancements

- `packages/embeds/js/src/components/Bot.tsx` - Client-side locale handling
- `packages/embeds/js/src/utils/localeDetection.ts` - Enhanced detection logic

✅ **French Localization**: ?locale=fr successfully displays French content
✅ **URL Parameter Detection**: Proper parsing and validation of locale parameters
✅ **Server-Side Processing**: Localization applied correctly in bot-engine
✅ **Client-Side Integration**: Seamless web component property handling
✅ **Backward Compatibility**: Existing English content continues working
✅ **Error Handling**: Graceful fallbacks when localization fails
✅ **Type Safety**: All TypeScript compilation passes without errors
✅ **Build System**: Clean builds with no module resolution issues

This implementation establishes Typebot as a truly international platform, enabling:
- **Multi-language Support**: Foundation for supporting 9+ languages
- **Enterprise Readiness**: Professional localization capabilities for global deployment
- **Developer Experience**: Clean, maintainable localization architecture
- **User Experience**: Seamless language switching with URL parameters

The system is production-ready and follows Typebot's existing architectural patterns while maintaining full backward compatibility.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>
This commit improves the localization system by implementing deep cloning for content updates in the EditTranslationModal, ensuring immutability. It also enhances locale validation in the viewer application, allowing dynamic locale support by adding detected locales to the available locales list. Additionally, the bot engine now properly handles localization for live sessions, ensuring that detected locales are validated and added to the available locales if necessary.

### Key Changes
- **EditTranslationModal**: Implemented deep cloning for content updates to prevent immutability issues.
- **Viewer Application**: Enhanced locale validation logic to support dynamic locale addition.
- **Bot Engine**: Improved localization handling for live sessions, ensuring detected locales are validated and added to the available locales.

## Files Modified
- `apps/builder/src/features/localization/components/EditTranslationModal.tsx`
- `apps/viewer/src/pages/[[...publicId]].tsx`
- `packages/bot-engine/src/startSession.ts`
- `packages/embeds/js/src/components/Bot.tsx`
- `packages/embeds/js/src/utils/localizationPerformance.ts`

This update strengthens the localization framework, ensuring a more robust and flexible user experience across different locales.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>
Fix formatting issues introduced by biome formatter to maintain code style consistency.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>
This commit enhances the LinkToolbarButton and MarkToolbarButton components by extracting the pressed state from props to avoid DOM warnings. Additionally, it updates the SetVariableContent component to use a chakra.div instead of a Text component for better styling flexibility. The EditTranslationModal has been significantly improved with robust change detection for content and placeholder/button fields, ensuring accurate localization handling.

- **LinkToolbarButton & MarkToolbarButton**: Extracted pressed state to prevent DOM warnings.
- **SetVariableContent**: Replaced Text component with chakra.div for improved styling.
- **EditTranslationModal**: Enhanced change detection logic for content and input fields, ensuring accurate localization updates.

- `LinkToolbarButton.tsx`
- `MarkToolbarButton.tsx`
- `SetVariableContent.tsx`
- `EditTranslationModal.tsx`

This update improves the overall user experience by ensuring better state management and localization handling across components.

🤖 Generated with [Claude Code](https://claude.ai/code)
This commit significantly improves the localization handling for various input blocks, particularly focusing on the rating input and text input components. Key changes include the restructuring of localization schemas, updates to the EditTranslationModal for proper data handling, and enhancements to the TranslationManagementPage for consistent display of localized content.

### Key Changes
- **Rating Input Schema**: Added comprehensive localization support to the rating input schema, aligning it with the text input pattern.
- **EditTranslationModal**: Updated to save and load localization data correctly, ensuring proper handling of left, right, and button labels.
- **TranslationManagementPage**: Enhanced to display localized content for both rating and regular input blocks, improving user experience.
- **LocalizationService**: Updated to handle new options.localizations structure, ensuring backward compatibility with existing blocks.

## Files Modified
- `EditTranslationModal.tsx`
- `TranslationManagementPage.tsx`
- `schema.ts`
- `LocalizationService.ts`

This update ensures a more robust localization experience across all input types, enhancing the overall functionality and user interface of the application.
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