Css Select

Overview

css-select is a powerful and efficient CSS selector compiler and engine designed for use with Node.js. It compiles CSS selectors into functions that can be used to test whether elements match specific criteria within a DOM tree. This tool stands out due to its unique approach of executing selectors right-to-left, a method that enhances performance and improves the query process by reducing the number of checks required.

The library is built on the structure of the domhandler module, allowing for seamless integration and usage in various projects. By maintaining high test coverage and supporting an extensive range of CSS selectors, css-select caters to both casual developers and professionals who require robust selection functionality for their applications.

Features

• Full CSS3 and CSS4 Selector Support: css-select fully implements CSS3 selectors and supports most of the CSS4 selectors, ensuring compatibility with modern web standards.
• jQuery/Sizzle Extensions: It includes a partial implementation of jQuery/Sizzle extensions, allowing for a familiar selector syntax for users transitioning from jQuery.
• High Test Coverage: The library boasts high test coverage, utilizing comprehensive test suites from Sizzle, Qwery, and NWMatcher, ensuring reliability and correctness.
• Performance Optimized: By executing selectors right-to-left, css-select minimizes redundant checks and significantly improves search performance in DOM trees.
• Customizable for Different DOM Structures: The engine is adaptable, allowing users to query different DOM structures beyond the default configuration.
• Efficient Function Compilation: It intelligently compiles selectors into functions that evaluate element matches, streamlining the selection process.
• Built for Node.js: Designed specifically for Node.js environments, making it a perfect choice for server-side applications requiring CSS selection capabilities.