codemod-generator

# Codemod Generator Skill ## Overview This skill generates automated code migration scripts (codemods) that transform consumer code to use new API versions, reducing the burden of SDK upgrades on developers. ## Capabilities - Create AST-based code transformations - Support multiple languages (JavaScript, TypeScript, Python, Go) - Provide dry-run mode with change preview - Implement safe rollback mechanisms - Generate detailed migration reports - Handle edge cases and partial migrations - Support interactive migration modes - Validate transformations with tests ## Target Processes - Backward Compatibility Management - Package Distribution - SDK Versioning and Release Management ## Integration Points - jscodeshift for JavaScript/TypeScript - libcst for Python - go-codemod for Go - Rector for PHP - Custom AST transformers ## Input Requirements - Source and target API versions - Transformation rules specification - Test cases for validation - Edge case handling requirements - Rollback strategy ## Output Artifacts - Codemod scripts per language - Dry-run reports - Migration validation tests - Edge case documentation - CLI wrapper for execution - Rollback scripts ## Usage Example ```yaml skill: name: codemod-generator context: sourceVersion: "1.x" targetVersion: "2.0" languages: - typescript - python transformations: - type: methodRename from: oldMethod to: newMethod - type: parameterChange method: cr...