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Introduction
Getting Started
Array
Boolean
- randomBool
Error
Function
Guard
Env
Nullable
Number
Object
Regex
- escapeRegex
- testRegex
Runtime
String
Type

Introduction
Getting Started
Array
Boolean
- randomBool
Error
Function
Guard
Env
Nullable
Number
Object
Regex
- escapeRegex
- testRegex
Runtime
String
Type

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Guard

Guard

Guard functions

isBoolean isEmptyObject isFunction isIterable isMap isNotNull isNull isObject isPlainObject isPromise isSet isString isTruthy

Last updated on September 10, 2026

format-seconds isBoolean