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Gathering detailed insights and metrics for which-typed-array

which-typed-array - 1.1.19 | npmpackage.info

which-typed-array

Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

1.1.19

MIT

JavaScript

5.34 kB

4,431,143,890 4.4

Installations

npm install which-typed-array

Developer Guide

BETA

Typescript

Yes

Module System

CommonJS

Min. Node Version

>= 0.4

Node Version

23.9.0

NPM Version

10.9.2 Score

98.2

Supply Chain

88.8

Quality

79.1

Maintenance

100

Vulnerability

100

License

Pull Requests

Open

0

Total

33

Closed

14

Merged

19

Issues

Open

1

Total

22

Closed

21

Releases

Unable to fetch releases

Languages

JavaScript

JavaScript (100%)

Developer

inspect-js

Download Statistics

Total Downloads

4,431,143,890

Last Day

2,404,049

Last Week

42,526,879

Last Month

184,131,764

Last Year

1,949,492,378

GitHub Statistics

MIT License

11 Stars

164 Commits

4 Forks

3 Watchers

1 Branches

2 Contributors

Updated on Mar 09, 2025

Bundle Size

18.74 kB

Minified

5.34 kB

Minified + Gzipped

Bundlephobia

Sponsor this package

https://github.com/sponsors/ljharb

Maintainers

View All 2 Contributors

Package Meta Information

Latest Version

1.1.19

Package Id

which-typed-array@1.1.19

Unpacked Size

42.88 kB

Size

12.66 kB

File Count

NPM Version

10.9.2

Node Version

23.9.0

Published on

Mar 09, 2025

Total Downloads

Cumulative downloads

Total Downloads

4,431,143,890

Last Day

-3.2%

2,404,049

Compared to previous day

Last Week

-7%

42,526,879

Compared to previous week

Last Month

-1.8%

184,131,764

Compared to previous month

Last Year

29.7%

1,949,492,378

Compared to previous year

Weekly Downloads

Monthly Downloads

Yearly Downloads

which-typed-array

Which kind of Typed Array is this JavaScript value? Works cross-realm, without instanceof, and despite Symbol.toStringTag.

Example

1var whichTypedArray = require('which-typed-array');
2var assert = require('assert');
3
4assert.equal(false, whichTypedArray(undefined));
5assert.equal(false, whichTypedArray(null));
6assert.equal(false, whichTypedArray(false));
7assert.equal(false, whichTypedArray(true));
8assert.equal(false, whichTypedArray([]));
9assert.equal(false, whichTypedArray({}));
10assert.equal(false, whichTypedArray(/a/g));
11assert.equal(false, whichTypedArray(new RegExp('a', 'g')));
12assert.equal(false, whichTypedArray(new Date()));
13assert.equal(false, whichTypedArray(42));
14assert.equal(false, whichTypedArray(NaN));
15assert.equal(false, whichTypedArray(Infinity));
16assert.equal(false, whichTypedArray(new Number(42)));
17assert.equal(false, whichTypedArray('foo'));
18assert.equal(false, whichTypedArray(Object('foo')));
19assert.equal(false, whichTypedArray(function () {}));
20assert.equal(false, whichTypedArray(function* () {}));
21assert.equal(false, whichTypedArray(x => x * x));
22assert.equal(false, whichTypedArray([]));
23
24assert.equal('Int8Array', whichTypedArray(new Int8Array()));
25assert.equal('Uint8Array', whichTypedArray(new Uint8Array()));
26assert.equal('Uint8ClampedArray', whichTypedArray(new Uint8ClampedArray()));
27assert.equal('Int16Array', whichTypedArray(new Int16Array()));
28assert.equal('Uint16Array', whichTypedArray(new Uint16Array()));
29assert.equal('Int32Array', whichTypedArray(new Int32Array()));
30assert.equal('Uint32Array', whichTypedArray(new Uint32Array()));
31assert.equal('Float32Array', whichTypedArray(new Float32Array()));
32assert.equal('Float64Array', whichTypedArray(new Float64Array()));
33assert.equal('BigInt64Array', whichTypedArray(new BigInt64Array()));
34assert.equal('BigUint64Array', whichTypedArray(new BigUint64Array()));

Tests

Simply clone the repo, npm install, and run npm test

No vulnerabilities found.

10

Binary-Artifacts

Determines if the project has generated executable (binary) artifacts in the source repository.

10

Dangerous-Workflow

Determines if the project's GitHub Action workflows avoid dangerous patterns.

10

Vulnerabilities

Determines if the project has open, known unfixed vulnerabilities.

10

License

Determines if the project has defined a license.

9

Security-Policy

Determines if the project has published a security policy.

0

Code-Review

Determines if the project requires human code review before pull requests (aka merge requests) are merged.

0

Maintained

Determines if the project is "actively maintained".

0

Pinned-Dependencies

Determines if the project has declared and pinned the dependencies of its build process.

0

SAST

Determines if the project uses static code analysis.

0

Token-Permissions

Determines if the project's workflows follow the principle of least privilege.

0

CII-Best-Practices

Determines if the project has an OpenSSF (formerly CII) Best Practices Badge.

0

Fuzzing

Determines if the project uses fuzzing.

Score

4.4

/10

Last Scanned on 2025-06-23

The Open Source Security Foundation is a cross-industry collaboration to improve the security of open source software (OSS). The Scorecard provides security health metrics for open source projects.

Learn More

Other packages similar to which-typed-array

Other packages similar to which-typed-array

which-typed-array

Installations

Developer Guide

Yes

CommonJS

>= 0.4

23.9.0

10.9.2

Score

Pull Requests

0

33

14

19

Issues

1

22

21

Releases

Unable to fetch releases

Languages

Developer

inspect-js

Download Statistics

GitHub Statistics

Bundle Size

18.74 kB

5.34 kB

Sponsor this package

Maintainers

Package Meta Information

Total Downloads

4,431,143,890

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dependencies

Dev Dependencies

which-typed-array

Example

Tests

10

10

10

10

9

0

0

0

0

0

0

0

4.4

/10