Return a JSON representation of a typed array.
npm install @stdlib/array-to-jsonWe believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js. The library is fully decomposable, being architected in such a way that you can swap out and mix and match APIs and functionality to cater to your exact preferences and use cases. When you use stdlib, you can be absolutely certain that you are using the most thorough, rigorous, well-written, studied, documented, tested, measured, and high-quality code out there. To join us in bringing numerical computing to the web, get started by checking us out on GitHub, and please consider financially supporting stdlib. We greatly appreciate your continued support!
About stdlib...
[![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url]
> Return a [JSON][json] representation of a typed array.
``bash`
npm install @stdlib/array-to-json
`javascript`
var typedarray2json = require( '@stdlib/array-to-json' );
#### typedarray2json( typedarray )
Returns a [JSON][json] representation of a typed array.
`javascript
var Float64Array = require( '@stdlib/array-float64' );
var arr = new Float64Array( [ 5.0, 3.0 ] );
var json = typedarray2json( arr );
/* returns
{
'type': 'Float64Array',
'data': [ 5.0, 3.0 ]
}
*/
`
For guidance on reviving a JSON-serialized typed array, see [reviver()][@stdlib/array/reviver].
- Supported typed array types:
- [Float64Array][@stdlib/array/float64]Float32Array
- [][@stdlib/array/float32]Complex128Array
- [][@stdlib/array/complex128]Complex64Array
- [][@stdlib/array/complex64]BooleanArray
- [][@stdlib/array/bool]Int32Array
- [][@stdlib/array/int32]Uint32Array
- [][@stdlib/array/uint32]Int16Array
- [][@stdlib/array/int16]Uint16Array
- [][@stdlib/array/uint16]Int8Array
- [][@stdlib/array/int8]Uint8Array
- [][@stdlib/array/uint8]Uint8ClampedArray
- [][@stdlib/array/uint8c]
- The implementation provides basic support for custom typed arrays and sets the type field to the closest known typed array type.
`javascript
class CustomArray extends Float64Array() {
constructor( data ) {
super( data );
}
}
var arr = new CustomArray( [ 5.0, 3.0 ] );
var json = typedarray2json( arr );
/* returns
{
'type': 'Float64Array',
'data': [ 5.0, 3.0 ]
}
*/
`
`javascript
var Float64Array = require( '@stdlib/array-float64' );
var Float32Array = require( '@stdlib/array-float32' );
var Int32Array = require( '@stdlib/array-int32' );
var Uint32Array = require( '@stdlib/array-uint32' );
var Int16Array = require( '@stdlib/array-int16' );
var Uint16Array = require( '@stdlib/array-uint16' );
var Int8Array = require( '@stdlib/array-int8' );
var Uint8Array = require( '@stdlib/array-uint8' );
var Uint8ClampedArray = require( '@stdlib/array-uint8c' );
var Complex64Array = require( '@stdlib/array-complex64' );
var Complex128Array = require( '@stdlib/array-complex128' );
var BooleanArray = require( '@stdlib/array-bool' );
var typedarray2json = require( '@stdlib/array-to-json' );
var arr = new Float64Array( [ 5.0, 3.0 ] );
var json = typedarray2json( arr );
/* returns
{
'type': 'Float64Array',
'data': [ 5.0, 3.0 ]
}
*/
arr = new Float32Array( [ 5.0, -3.0 ] );
json = typedarray2json( arr );
/* returns
{
'type': 'Float32Array',
'data': [ 5.0, -3.0 ]
}
*/
arr = new Complex128Array( [ 5.0, 3.0 ] );
json = typedarray2json( arr );
/* returns
{
'type': 'Complex128Array',
'data': [ 5.0, 3.0 ]
}
*/
arr = new Complex64Array( [ 5.0, 3.0 ] );
json = typedarray2json( arr );
/* returns
{
'type': 'Complex64Array',
'data': [ 5.0, 3.0 ]
}
*/
arr = new BooleanArray( [ true, false ] );
json = typedarray2json( arr );
/* returns
{
'type': 'BooleanArray',
'data': [ 1, 0 ]
}
*/
arr = new Int32Array( [ -5, 3 ] );
json = typedarray2json( arr );
/* returns
{
'type': 'Int32Array',
'data': [ -5, 3 ]
}
*/
arr = new Uint32Array( [ 5, 3 ] );
json = typedarray2json( arr );
/* returns
{
'type': 'Uint32Array',
'data': [ 5, 3 ]
}
*/
arr = new Int16Array( [ -5, 3 ] );
json = typedarray2json( arr );
/* returns
{
'type': 'Int16Array',
'data': [ -5, 3 ]
}
*/
arr = new Uint16Array( [ 5, 3 ] );
json = typedarray2json( arr );
/* returns
{
'type': 'Uint16Array',
'data': [ 5, 3 ]
}
*/
arr = new Int8Array( [ -5, 3 ] );
json = typedarray2json( arr );
/* returns
{
'type': 'Int8Array',
'data': [ -5, 3 ]
}
*/
arr = new Uint8Array( [ 5, 3 ] );
json = typedarray2json( arr );
/* returns
{
'type': 'Uint8Array',
'data': [ 5, 3 ]
}
*/
arr = new Uint8ClampedArray( [ 5, 3 ] );
json = typedarray2json( arr );
/* returns
{
'type': 'Uint8ClampedArray',
'data': [ 5, 3 ]
}
*/
`
*
- [@stdlib/array-reviver][@stdlib/array/reviver]: revive a JSON-serialized typed array.
*
This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib].
#### Community
[![Chat][chat-image]][chat-url]
---
See [LICENSE][stdlib-license].
Copyright © 2016-2026. The Stdlib [Authors][stdlib-authors].
[npm-image]: http://img.shields.io/npm/v/@stdlib/array-to-json.svg
[npm-url]: https://npmjs.org/package/@stdlib/array-to-json
[test-image]: https://github.com/stdlib-js/array-to-json/actions/workflows/test.yml/badge.svg?branch=v0.3.1
[test-url]: https://github.com/stdlib-js/array-to-json/actions/workflows/test.yml?query=branch:v0.3.1
[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/array-to-json/main.svg
[coverage-url]: https://codecov.io/github/stdlib-js/array-to-json?branch=main
[chat-image]: https://img.shields.io/badge/zulip-join_chat-brightgreen.svg
[chat-url]: https://stdlib.zulipchat.com
[stdlib]: https://github.com/stdlib-js/stdlib
[stdlib-authors]: https://github.com/stdlib-js/stdlib/graphs/contributors
[umd]: https://github.com/umdjs/umd
[es-module]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules
[deno-url]: https://github.com/stdlib-js/array-to-json/tree/deno
[deno-readme]: https://github.com/stdlib-js/array-to-json/blob/deno/README.md
[umd-url]: https://github.com/stdlib-js/array-to-json/tree/umd
[umd-readme]: https://github.com/stdlib-js/array-to-json/blob/umd/README.md
[esm-url]: https://github.com/stdlib-js/array-to-json/tree/esm
[esm-readme]: https://github.com/stdlib-js/array-to-json/blob/esm/README.md
[branches-url]: https://github.com/stdlib-js/array-to-json/blob/main/branches.md
[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/array-to-json/main/LICENSE
[json]: http://www.json.org/
[@stdlib/array/float64]: https://www.npmjs.com/package/@stdlib/array-float64
[@stdlib/array/float32]: https://www.npmjs.com/package/@stdlib/array-float32
[@stdlib/array/complex128]: https://www.npmjs.com/package/@stdlib/array-complex128
[@stdlib/array/complex64]: https://www.npmjs.com/package/@stdlib/array-complex64
[@stdlib/array/bool]: https://www.npmjs.com/package/@stdlib/array-bool
[@stdlib/array/int32]: https://www.npmjs.com/package/@stdlib/array-int32
[@stdlib/array/uint32]: https://www.npmjs.com/package/@stdlib/array-uint32
[@stdlib/array/int16]: https://www.npmjs.com/package/@stdlib/array-int16
[@stdlib/array/uint16]: https://www.npmjs.com/package/@stdlib/array-uint16
[@stdlib/array/int8]: https://www.npmjs.com/package/@stdlib/array-int8
[@stdlib/array/uint8]: https://www.npmjs.com/package/@stdlib/array-uint8
[@stdlib/array/uint8c]: https://www.npmjs.com/package/@stdlib/array-uint8c
[@stdlib/array/reviver]: https://www.npmjs.com/package/@stdlib/array-reviver