Espree is described as 'An Esprima-compatible JavaScript parser originally forked from Esprima, now built on top of AcornJS, which has a modular architecture that allows extension of core functionality' and is an app in the development category. There are three alternatives to Espree for Self-Hosted. The best Espree alternative is Esprima, which is both free and Open Source. Other great apps like Espree are Meriyah and AcornJS.
Esprima is a high performance, standard-compliant ECMAScript parser written in ECMAScript (also popularly known as JavaScript). Esprima can be used to perform lexical analysis (tokenization) or syntactic analysis (parsing) of a JavaScript program.
A 100% compliant, self-hosted JavaScript parser. Meriyah generates AST according to ESTree AST format, and can be used to perform syntactic analysis (parsing) of a JavaScript program, and with ES2015 and later a JavaScript program can be either a script or a module.
Acorn is a tiny, fast JavaScript parser, written completely in JavaScript. Acorn is designed to support plugins which can, within reasonable bounds, redefine the way the parser works. Plugins can add new token types and new tokenizer contexts (if necessary), and extend methods...
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