CSS to XPath

Does a vinyl file match a condition?

Emmet standalone abbreviation parser

Mathematical expression evaluator

Parses and determines if a given CSS Media Query matches a set of values.

Test if a value is a regular expression.

Escape a regular expression string or pattern.

JavaScript expression parsing and evaluation.

Return a regular expression to capture a function name.

Helper function to optimise call expression

evaluate statically-analyzable expressions

Regular expression to detect an extended-length path.

Safely evaluate JavaScript (estree) expressions, sync and async.

Simple, expected, and deterministic best-match sorting of an array in JavaScript

Helper function to explode an assignable expression

micromark utility to try and parse events w/ acorn

Test if a value is a regular expression string.

Custom functions for the Vega expression language.

A fast, lightweight pattern matcher for tree structures such as an Abstract Syntax Tree (AST)

Parse and evaluate simple math expressions