ts-util-is
Advanced tools
TypeScript typeof utility helper with no dependencies. Provides type guards for all common types.
npm install ts-util-is
Import everything:
import * as util from 'ts-util-is';
const value: string | string[] = 'hey there';
if (util.isArray(value)) {
console.log(value.split(' ')); // `value` is array type
}
Import only what you need:
import { isArray, isString } from 'ts-util-is';
const value: string | string[] = 'hello again';
if (isArray(value)) {
console.log(value.split(' ')); // `value` is array type
}
isArray()isBase64()isBoolean()isDate()isDateValid()isDefined()isError()isFunction()isGuid()isInfinity()isNull()isNil()isNumber()isObject()isPlainObject()isRegExp()isString()isSymbol()isUndefined()isInstance()FAQs
TypeScript typeof utility helper with no dependencies.
The npm package ts-util-is receives a total of 2,479 weekly downloads. As such, ts-util-is popularity was classified as popular.
We found that ts-util-is demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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