CSSTree
A fast, spec-compliant CSS parser, walker, generator, and lexer toolkit for analyzing and transforming CSS.
What is CSSTree?
CSSTree is a JavaScript toolkit for parsing, analyzing, and transforming CSS. It provides a fast, detailed parser that converts CSS into an Abstract Syntax Tree (AST), along with utilities for traversing, generating, and validating CSS based on W3C specifications. It solves the need for reliable, spec-compliant CSS manipulation in tooling and applications.
Tooling developers, library authors, and engineers building CSS processors, linters, optimizers, or transformation pipelines that require precise CSS analysis.
Developers choose CSSTree for its combination of speed, detailed AST representation, and strict W3C compliance, making it ideal for CSS analysis and source-to-source transformations where accuracy and performance are critical.
Overview
A tool set for CSS including fast detailed parser, walker, generator and lexer based on W3C specs and browser implementations
Use Cases
Best For
- Building CSS linters or validators with custom rules
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