Test Packages

Get the native type of a value.

Regular expression for matching ANSI escape codes

Get the first fulfilled promise that satisfies the provided testing function

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet

Returns true if a value is a plain object, array or function.

Regular expression for matching a shebang line

Returns true if a string has an extglob.

Match balanced character pairs, like "{" and "}"

Check if a value is an object

Check if a value is a plain object

Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob patterns.

Type check values

Get details about the current Continuous Integration environment

Detect if the current environment is a CI server

Create a javascript regular expression for matching everything except for the given string.

Generate a regex from a string or array of strings.

Check if a string has ANSI escape codes

Regular expression for matching IP addresses (IPv4 & IPv6)

invariant