JavaScript/TypeScript Rule Helper Functions

Helper functions are located in packages/analysis/src/jsts/rules/helpers/. These provide common utilities for rule implementations.

Helper Categories

• AST Utilities: Functions for traversing and querying the AST
• Type Checking: Helpers for checking types via TypeScript parser services
• Module Helpers: Functions for analyzing imports and exports
• String/Regex Utilities: Common string and pattern matching helpers

Common Helper Functions

• isCallingMethod() - Check if a call expression is calling a specific method
• getUniqueWriteUsageOrNode() - Track variable assignments
• isRequiredParserServices() - Check if TypeScript type information is available
• isArray(), isString(), etc. - Type checking helpers
• getImportDeclarations() - Get import declarations from the context