estree-walker is a fast and simple utility for traversing JavaScript syntax trees (ESTree). It efficiently walks through the AST nodes, allowing you to visit or modify them with customizable enter and leave handlers. Ideal for tools like linters, code transformers, or AST analyzers. It prioritizes speed and ease of use, making it a lightweight alternative to more complex AST traversal libraries. Supports pausing and resuming traversal, enabling advanced control over the AST exploration process.