isJSONArray

Checks whether a value is an array whose every element is a valid JSON value (see isJSONValue).

Available since v3.0.3

Import

import { isJSONArray } from '@helpers4/guard';
// or, from the all-in-one package (same code, one install):
import { isJSONArray } from 'helpers4/guard';

Signature

isJSONArray(value: unknown): value is unknown[]

Parameters

Parameter	Type	Description
value	unknown	The value to check

Returns

value is unknown[] — true if value is an array of JSON values

Examples

Validate a JSON array

Checks that a value is an array whose every element is JSON-representable.

isJSONArray([1, 'two', null])
// => true
isJSONArray([1, undefined])
// => false

Source

View source on GitHub