Structural equality checking for JavaScript values

Test if a value is a regular expression string.

Type checking and diagnostics for Astro projects

Boolean constructor.

Determine the name of a value's constructor.

Compute the absolute value of a double-precision floating-point number.

Determine a value's type.

output coverage reports using Node.js' built in coverage

Compute the absolute value of a single-precision floating-point number.

Object constructor.

Declarative runtime type validator for JavaScript

Expand environment variables using dotenv

A spelling dictionary library useful for checking words and getting suggestions.

Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.

Utility module to check istanbul thresholds

Test if a value is a number having an integer value.

Test if a value is a number having a nonnegative integer value.

Transforms css values and at-rule params into the tree

Coalesces multiple promises for the same identifier into a single request

Create a filled generic array.