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@amandaghassaei/type-checks

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  • License MIT

A collection of common type checks.

Package Exports

  • @amandaghassaei/type-checks
  • @amandaghassaei/type-checks/dist/type-checks.js

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (@amandaghassaei/type-checks) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

type-checks

NPM Package Build Size NPM Downloads License

A collection of common type checks, written in Typescript.

Install

Install via npm:

npm install @amandaghassaei/type-checks
import { isNumber, isInteger } from '@amandaghassaei/type-checks';

OR you can add type-checks.js to your html directly:

<html>
    <head>
        <script src="type-checks.js"></script>
    </head>
    <body>
    </body>
</html>

TypeChecks will be accessible globally:

const { isNumber, isInteger } = TypeChecks;

Table of contents

Functions

Functions

isNumber

▸ isNumber(value): boolean

Checks if value is a number (including Infinity).

Parameters

Name Type
value any

Returns

boolean

isFiniteNumber

▸ isFiniteNumber(value): boolean

Checks if value is finite number.

Parameters

Name Type
value any

Returns

boolean

isInteger

▸ isInteger(value): boolean

Checks if value is integer.

Parameters

Name Type
value any

Returns

boolean

isPositiveNumber

▸ isPositiveNumber(value): boolean

Checks if value is positive number (> 0).

Parameters

Name Type
value any

Returns

boolean

isPositiveInteger

▸ isPositiveInteger(value): boolean

Checks if value is positive integer (> 0).

Parameters

Name Type
value any

Returns

boolean

isNegativeNumber

▸ isNegativeNumber(value): boolean

Checks if value is negative number (< 0).

Parameters

Name Type
value any

Returns

boolean

isNegativeInteger

▸ isNegativeInteger(value): boolean

Checks if value is negative integer (< 0).

Parameters

Name Type
value any

Returns

boolean

isNonNegativeNumber

▸ isNonNegativeNumber(value): boolean

Checks if value is non-negative number (>= 0).

Parameters

Name Type
value any

Returns

boolean

isNonNegativeInteger

▸ isNonNegativeInteger(value): boolean

Checks if value is non-negative integer (>= 0).

Parameters

Name Type
value any

Returns

boolean

isNonPositiveNumber

▸ isNonPositiveNumber(value): boolean

Checks if value is non-positive number (<= 0).

Parameters

Name Type
value any

Returns

boolean

isNonPositiveInteger

▸ isNonPositiveInteger(value): boolean

Checks if value is non-positive integer (<= 0).

Parameters

Name Type
value any

Returns

boolean

isNumberInRange

▸ isNumberInRange(value, min, max): boolean

Checks if value is number in range [min, max].

Parameters

Name Type
value any
min number
max number

Returns

boolean

isIntegerInRange

▸ isIntegerInRange(value, min, max): boolean

Checks if value is integer in range [min, max].

Parameters

Name Type
value any
min number
max number

Returns

boolean

isString

▸ isString(value): boolean

Checks if value is string.

Parameters

Name Type
value any

Returns

boolean

isTypedArray

▸ isTypedArray(value): boolean

Checks if value is TypedArray.

Parameters

Name Type
value any

Returns

boolean

isArray

▸ isArray(value): boolean

Checks if value is Array or TypedArray.

Parameters

Name Type
value any

Returns

boolean

isObject

▸ isObject(value): boolean

Checks if value is Javascript object.

Parameters

Name Type
value any

Returns

boolean

isBoolean

▸ isBoolean(value): boolean

Checks if value is boolean.

Parameters

Name Type
value any

Returns

boolean