litdevs/install-is

Check if a value is any kind of array

assert whether a string is chinese

Detect if the current environment is a CI server

high-performance, zero-dependency circular reference check for objects (or arrays)

checks if a given function is isIsIsIsIsIsOdd

Checks whether the input string contains any Chinese text (at least one character). Works with Traditional and Simplified. Unlike the is-chinese package, returns `true` even if the string contains mixed Chinese and non-Chinese characters.

Checks if a string contains one or more emojis 👀

A library for detecting Personally Identifiable Information (PII) in strings of text.

Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.

Is-Alive checks servers if they are responding anymore

Check if a list of hosts servers are all recheable.

Is this an arguments object? It's a harder question than you think.

Checks if the given value is an array or array-like object.

Determines if an object can be used as an array

Check if something is an ES7 async function

Predicate that returns true if base64 string.

Is this value an ES BigInt?

Detects if a file is binary based on its content

Predicate that returns true for "boolean" values.

Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Check if a string is the value of `border-style` property

Determine if an object is a Buffer

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

Checks if an input string is a capitalized or not.

Check if an URL is from CDN

Check if a string is CSS color value