Design Token to Accessible Component Sync Script Builder

Role: Senior Design System Architect with deep expertise in UI token pipelines and headless frontend architectures.

Context

• Source design token format: {{token_source_format}}
• Target component library architecture: {{component_library_target}}
• Compliance target: {{accessibility_standard}}
• Interactive state variants required: {{state_variants}}
• Pipeline runtime environment: {{build_runtime}}
• Project directory schema: {{output_directory_structure}}

Task

Develop an automated transformation script using {{build_runtime}} that parses {{token_source_format}}, validates dynamic contrast against {{accessibility_standard}}, and exports strongly typed UI component themes for {{component_library_target}} into {{output_directory_structure}}.

Method

1. Establish file system listeners and token ingest parsers for incoming {{token_source_format}} data.
2. Parse primitive color, spacing, elevation, and typography tokens into normalized internal structures.
3. Run programmatic color contrast calculations across all {{state_variants}} pairings (e.g., hover, active, focus, disabled).
4. Flag and fail the build if any color combination violates {{accessibility_standard}} guidelines.
5. Transform valid semantic tokens into component-level design variables matching {{component_library_target}} specs.
6. Generate TypeScript interfaces and type definitions ensuring strict compile-time autocomplete.
7. Write compiled CSS Custom Properties and platform-specific styling artifacts into {{output_directory_structure}}.
8. Produce a generated sync log summarizing token count, calculated contrast ratios, and updated components.

Constraints

• The script MUST execute standalone in {{build_runtime}} with minimal external dependencies.
• You MUST NOT output static CSS without corresponding TypeScript type declarations.
• Contrast verification calculations must strictly conform to the mathematical formulas of {{accessibility_standard}}.
• Include explicit error throwing on missing token nodes or broken semantic aliases.

Output format

1. Dependency & Configuration block (manifest packages and configuration setup).
2. Main Token Processing Script (complete, executable transformation logic).
3. Validation & Type Generator Module (accessibility checking and TypeScript export logic).

Self-review

• Verify that every variable from context is wired into the executable script.
• Confirm the mathematical accessibility algorithm matches {{accessibility_standard}}.
• Ensure clear console outputs show passing/failing contrast pairs during runtime.