Functional Programming in JavaScript

  1. Error Handling in Functional Programming
    1. Traditional Error Handling Problems
      1. Exception-Based Flow Control
        1. Hidden Control Flow
          1. Composition Difficulties
          2. Functional Error Handling Approaches
            1. Explicit Error Types
              1. Composable Error Handling
                1. Predictable Flow Control
                2. Maybe Pattern for Optional Values
                  1. Null Pointer Elimination
                    1. Safe Navigation
                      1. Default Value Handling
                      2. Either Pattern for Error Handling
                        1. Success and Failure Paths
                          1. Error Information Preservation
                            1. Composable Error Chains
                            2. Result Type Implementation
                              1. Ok and Err Variants
                                1. Pattern Matching
                                  1. Transformation Methods
                                  2. Error Handling Best Practices
                                    1. Early Error Detection
                                      1. Error Message Design
                                        1. Recovery Strategies
                                          1. Logging and Monitoring

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                                        9. Functional Data Structures

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                                        11. Asynchronous Functional Programming