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@js-utilities/typecheck
Release 0.1.6

Utility library for javascript type checking.

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Keywords: type checking, type predicates, isCallable, isFunction, isArrowFunction, isArray, isObject, isBoolean, isUndefined, isNumber, isString, isSymbol, isNull, isMap, isSet, isWeakSet, isWeakMap, type-predicates, typechecking, typescript, utilities-js, utilities-library
License: MIT
Install: npm install @js-utilities/typecheck@0.1.6

Documentation

Type checking library

A set of super-simple type checkers. Each checker returns boolean value. Most checkers are typescript type predicates.

Installation

npm i -S @js-utilities/typecheck

Usage example

import { isCallable } from "@js-utilities/typecheck";

const a: unknown = global.value;

if (isCallable(a)) a();

Available checkers:

Checker	Return type
`isCallable`	`boolean`
`isFunction`	`value is Function`
`isArrowFunction`	`boolean`
`isArray<T>`	`value is T[]`
`isObject<T>`	`value is T`
`isBoolean`	`value is boolean`
`isUndefined`	`value is undefined`
`isNumber`	`value is number`
`isString`	`value is string`
`isSymbol`	`value is symbol`
`isNull`	`value is null`
`isMap<T, U>`	`value is Map<T, U>`
`isSet<T>`	`value is Set<T>`
`isWeakSet<T>`	`value is WeakSet<T>`
`isWeakMap<T, U>`	`value is WeakMap<T, U>`
`isPromise<T>`	`value is Promise<T>`

License

Dependencies: 0
Dependent packages: 5
Dependent repositories: 1
Total releases: 6
Latest release: Nov 7, 2021
First release: Jul 5, 2019
Stars: 1
Forks: 0
Watchers: 1
Contributors: 4
Repository size: 502 KB
SourceRank: 10

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Releases

0.1.6: Nov 7, 2021
0.1.5: Nov 7, 2021
0.1.4: Oct 25, 2019
0.1.3: Jul 14, 2019
0.1.2: Jul 5, 2019
0.1.1: Jul 5, 2019

Contributors

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