json-merge v1.1.0 released!

🏷️ release json-merge 🏷️ v1.1.0

1.1.0 - 2026-01-12

• TAG: v1.1.0
• COVERAGE: 95.77% – 589/615 lines in 10 files
• BRANCH COVERAGE: 78.82% – 227/288 branches in 10 files
• 96.63% documented

Added

• bin/rspec-ffi to run FFI isolated specs
  • Also bin/rake ffi_specs
• FFI backend isolation for test suite
  • Added bin/rspec-ffi script to run FFI specs in isolation (before MRI backend loads)
  • Added spec/spec_ffi_helper.rb for FFI-specific test configuration
  • Updated Rakefile with ffi_specs and remaining_specs tasks
  • The :test task now runs FFI specs first, then remaining specs

Changed

• ast-merge v4.0.2
  • Includes AstMergeEmitterBase
• tree_haver v5.0.1
  • Many Backend improvements
  • Many error handling improvements
• Simplified dependency_tags.rb: Removed redundant debug code
  • Removed JSON_MERGE_DEBUG env var handling (use TREE_HAVER_DEBUG instead)
  • tree_haver’s debug output now respects blocked backends via compute_blocked_backends
  • Avoids accidentally loading MRI backend during FFI-only test runs

Removed

• Obsolete Tests: Removed 3 obsolete integration tests
  • Tests for add_node_to_result and add_wrapper_to_result methods
  • These methods don’t exist in the :batch strategy (ConflictResolver now uses Emitter)
  • Tests were for old :node strategy pattern

Fixed

• NodeWrapper signature tests: Updated tests to expect :root_object/:root_array for root-level containers
  • Root-level objects now correctly return [:root_object, ...] instead of [:object, ...]
  • Root-level arrays now correctly return [:root_array] instead of [:array, count]
  • Added :parent method stubs to mock node tests for root_level_container? compatibility
• ConflictResolver#emit_node: Fixed handling of pair nodes with object values
  • When emitting a pair like "features": {...}, the value was treated as raw text
  • Now correctly detects when a pair’s value is an object container
  • Recursively emits object structure using emit_nested_object_start/end
  • Treats arrays as atomic values (emits as raw text)
  • Prevents double key emission and invalid JSON output in nested merges
• ConflictResolver#merge_matched_nodes_to_emitter: Fixed array handling in merge logic
  • Arrays are now treated atomically and replaced based on preference setting
  • Only objects (not arrays) are recursively merged
  • Fixes potential “expected object key, got number” errors when merging arrays
  • Arrays like [1,2,3] are now correctly replaced with [4,5] based on preference

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