feat: add WebAssembly support and fugue-evo-wasm bindings crate - #4
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alexnodeland merged 11 commits intoDec 13, 2025
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Dec 13, 2025
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- Add cargo feature flags: std, parallel, checkpoint (default all enabled)
- Feature-gate parallel/rayon functionality for WASM compatibility
- Make CheckpointError WASM-compatible with cfg-gated variants
- Add non-parallel impl blocks to SimpleGA for WASM target
- Feature-gate island model (requires parallel feature)
- Feature-gate checkpoint file I/O (requires checkpoint feature)
- Add to_json/from_json methods to InteractiveSession for WASM
- Create fugue-evo-wasm crate with JavaScript-friendly wrappers
- Add RealVectorOptimizer for browser-based optimization
- Support built-in fitness functions (Sphere, Rastrigin, Rosenbrock)
- Generate TypeScript definitions via wasm-pack build
- Add cargo feature flags: std, parallel, checkpoint (default all enabled) - Feature-gate parallel/rayon functionality for WASM compatibility - Make CheckpointError WASM-compatible with cfg-gated variants - Add non-parallel impl blocks to SimpleGA for WASM target - Feature-gate island model (requires parallel feature) - Feature-gate checkpoint file I/O (requires checkpoint feature) - Add to_json/from_json methods to InteractiveSession for WASM - Create fugue-evo-wasm crate with JavaScript-friendly wrappers - Add RealVectorOptimizer for browser-based optimization - Support built-in fitness functions (Sphere, Rastrigin, Rosenbrock) - Generate TypeScript definitions via wasm-pack build
- Add BitStringOptimizer for binary optimization with custom JS fitness - Add PermutationOptimizer for ordering problems (TSP, scheduling) - Add Nsga2Optimizer for multi-objective optimization with Pareto fronts - Add custom JS fitness function support to RealVectorOptimizer - Feature-gate Send+Sync trait bounds for WASM compatibility: - Fitness trait in fitness/traits.rs - CmaEsFitness trait in algorithms/cmaes.rs - MultiObjectiveFitness trait in algorithms/nsga2.rs - EvolutionStrategy build/run methods in algorithms/evolution_strategy.rs - Add new result types: BitStringResult, PermutationResult, MultiObjectiveResult - All optimizers support custom fitness functions via JS callbacks
- Add impl_optimizer_config! macro for shared optimizer config methods - Add impl_result_common! macro for shared result type methods - Replace separate fitness evaluators with GenericFitness<G, F> - Feature-gate file I/O in checkpoint/recovery.rs for WASM compatibility - Reduce WASM bindings code by ~200 lines while maintaining functionality
Add comprehensive WASM bindings for browser-based optimization: - InteractiveOptimizer: Human-in-the-loop optimization with Rating, Pairwise comparison, and BatchSelection evaluation modes - EvolutionStrategyOptimizer: (μ+λ)-ES and (μ,λ)-ES variants - SymbolicRegressionOptimizer: Tree-based genetic programming for evolving mathematical expressions The interactive evolution is particularly suited for browser use where users can provide subjective fitness evaluations in real-time. Note: SteadyStateGA not included due to Sync requirement incompatible with JS functions in WASM.
Add withExtendedConfig() for full control over interactive GA parameters: - elitism_count: preserve elite individuals - min_coverage: required evaluation coverage before next generation - crossover/mutation probability: control operator rates - custom bounds: specify search space per dimension
Add comprehensive README with API documentation and usage examples for npm package consumers. Include browser example HTML demo showing real vector optimization, CMA-ES, NSGA-II, and interactive evolution.
- Add WASM build job to CI workflow with wasm-pack build and test - Add comprehensive wasm-bindgen-test suite covering all optimizers - Add Node.js example demonstrating all optimizer types - Fix clippy warnings in interactive.rs and fitness.rs
- Add 6 new fitness functions: Ackley, Griewank, Schwefel, Levy, Dixon-Price, Styblinski-Tang - Add UMDA optimizer (Estimation of Distribution Algorithm) - Add ZDT1/ZDT2/ZDT3 multi-objective test problems for NSGA-II - Add LeadingOnes and Royal Road fitness functions for BitString - Add getFitnessInfo API for runtime fitness function metadata - Update browser example with new algorithms and fitness functions - Add comprehensive tests for all new functionality
- Enable wasm-opt with -Os flag for ~20-30% smaller bundle sizes - Add LTO and reference types for better performance - Create worker.js web worker script for non-blocking optimization - Create worker_example.html demo with UI responsiveness testing - Update README with web worker usage and bundle size documentation
alexnodeland
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December 17, 2025 19:37
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