typed schema validation version of enforce

Isomorphic, functional type-checking for Javascript

Well tested 'is number' checks, that can optionally include number-like strings, and non-finite values.

TypeScript tiny narrowing helpers you better use.

A Typescript utility function to assert whether a value is a number type.

Check if a value meets certain criteria

Return a copy of the object only containing the whitelisted properties.

js判断函数，解决80%类型判断问题

Lightweighted validators library

Common JavaScript utilities for the Sapphire Community

Check for a valid Number value.

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

This package contains some helper functions i use in many project. Some examples are: ```ts const isNum1 = isNumber(3); const isNum2 = isStringNumber('3');

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

A simple utility to Check the value is number or can convert to a number, for example string ' 123 ' can be converted to 123.

Import a module lazily

A base class implementing basic value validators. E.g: isDefined, isNumber, etc... More validators to be added soon (isEmpty, isNull, isGreaterThan, isLessThan, isBoolean, isArray, etc...)

TypeScript predicates and assertions library

A strict, fast, zero-dependency utility for checking JavaScript numbers

typesafe assertion library for TypeScript 3.7+