ast-merge v2.0.7 released!

2.0.7 - 2026-01-01

• TAG: v2.0.7
• COVERAGE: 97.31% – 2569/2640 lines in 47 files
• BRANCH COVERAGE: 89.87% – 869/967 branches in 47 files
• 98.84% documented

Added

• Ast::Merge::NodeTyping::Normalizer module for thread-safe backend type normalization
  • Provides shared infrastructure for format-specific normalizers (toml-merge, markdown-merge)
  • Thread-safe backend registration via mutex-protected operations
  • configure_normalizer for initial backend mappings configuration
  • register_backend for runtime registration of new backends
  • canonical_type for mapping backend-specific types to canonical types
  • wrap for wrapping nodes with canonical merge_type
  • registered_backends, backend_registered?, mappings_for, canonical_types query methods
• Ast::Merge::NodeTyping::FrozenWrapper class for frozen AST nodes
  • Includes Freezable behavior for freeze marker support
  • frozen_node?, slice, signature methods
• Split NodeTyping module into separate files following autoload pattern:
  • ast/merge/node_typing/wrapper.rb
  • ast/merge/node_typing/frozen_wrapper.rb
  • ast/merge/node_typing/normalizer.rb
• Comprehensive specs for NodeTyping::Normalizer including thread-safety tests
• RBS type signatures for NodeTyping::Normalizer and NodeTyping::FrozenWrapper

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