Espree is a high-performance, spec-compliant ECMAScript parser used by ESLint. It understands the latest JavaScript syntax, including ES2024 features and experimental proposals. Designed for AST (Abstract Syntax Tree) analysis, Espree is highly customizable, allowing plugins to extend its parsing capabilities and support custom language extensions. It offers detailed error reporting and location information, making debugging easier for developers. Espree is a crucial tool for static analysis, code transformation, and other JavaScript tooling.