The lodash method `_.isBoolean` exported as a module.

TypeScript definitions for lodash.isboolean

Test if a value is a boolean.

JSON isBoolean method

This library provides next util: isBoolean, isFunction, isNumber, isNumbers, isObject and isString, function can be object, number can not be NaN.

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

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

Custom functions for the Vega expression language.

mashup of lodash with checkit module

Internal utility collection used across the Vest ecosystem (Vest, n4s/enforce, Context, and more). It includes small, focused helpers such as:

Some helpers for nodejs isString, isInt, isBoolean, isObject, isFloat, isArray, isDate

A collection of JavaScript libraries and TypeScript types for Guardian projects

Template for all libraries powered by JavaScript

Shared modules of the Spacecat Services - utils

A collection of assertions for test and production code alike.

Check if a value is a boolean primitive. ```javascript const lolite = require("lolite.isboolean") const assert = require("node:assert")

Validates if a value is a boolean primitive.

TypeScript predicates and assertions library

TypeScript tiny narrowing helpers you better use.

yet another Typescript type library for advanced types