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Gathering detailed insights and metrics for safe-array-concat

safe-array-concat - 1.1.3 | npmpackage.info

safe-array-concat

`Array.prototype.concat`, but made safe by ignoring Symbol.isConcatSpreadable

1.1.3

MIT

JavaScript

17.19 kB

4.5

Installations

npm install safe-array-concat

Developer Guide

BETA

Typescript

Yes

Module System

CommonJS, ESM

Min. Node Version

>=0.4

Node Version

23.4.0

NPM Version

10.9.2 Score

98.7

Supply Chain

82.8

Quality

76.4

Maintenance

100

Vulnerability

100

License

Pull Requests

Open

0

Total

1

Closed

0

Merged

1

Issues

Open

1

Total

3

Closed

2

Releases

Unable to fetch releases

Languages

JavaScript

JavaScript (100%)

Developer

ljharb

Download Statistics

Total Downloads

Last Day

Last Week

Last Month

Last Year

GitHub Statistics

MIT License

5 Stars

36 Commits

1 Forks

2 Watchers

1 Branches

2 Contributors

Updated on Dec 12, 2024

Sponsor this package

https://github.com/sponsors/ljharb

Maintainers

View All 2 Contributors

Package Meta Information

Latest Version

1.1.3

Package Id

safe-array-concat@1.1.3

Unpacked Size

17.19 kB

Size

6.39 kB

File Count

NPM Version

10.9.2

Node Version

23.4.0

Published on

Dec 12, 2024

Total Downloads

Cumulative downloads

Total Downloads

NaN

Last Day

NaN

Compared to previous day

Last Week

NaN

Compared to previous week

Last Month

NaN

Compared to previous month

Last Year

NaN

Compared to previous year

Weekly Downloads

Monthly Downloads

Yearly Downloads

safe-array-concat

Array.prototype.concat, but made safe by ignoring Symbol.isConcatSpreadable

Getting started

1npm install --save safe-array-concat

Usage/Examples

1var safeConcat = require('safe-array-concat');
2var assert = require('assert');
3
4assert.deepEqual([].concat([1, 2], 3, [[4]]), [1, 2, 3, [4]], 'arrays spread as expected with normal concat');
5assert.deepEqual(safeConcat([1, 2], 3, [[4]]), [1, 2, 3, [4]], 'arrays spread as expected with safe concat');
6
7String.prototype[Symbol.isConcatSpreadable] = true;
8assert.deepEqual([].concat('foo', Object('bar')), ['foo', 'b', 'a', 'r'], 'spreadable String objects are spread with normal concat!!!');
9assert.deepEqual(safeConcat('foo', Object('bar')), ['foo', Object('bar')], 'spreadable String objects are not spread with safe concat');
10
11Array.prototype[Symbol.isConcatSpreadable] = false;
12assert.deepEqual([].concat([1, 2], 3, [[4]]), [[], [1, 2], 3, [[4]]], 'non-concat-spreadable arrays do not spread with normal concat!!!');
13assert.deepEqual(safeConcat([1, 2], 3, [[4]]), [1, 2, 3, [4]], 'non-concat-spreadable arrays still spread with safe concat');

Tests

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

Fuzzing

Determines if the project uses fuzzing.

Score

4.5

/10

Last Scanned on 2025-07-07

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 safe-array-concat

Other packages similar to safe-array-concat

safe-array-concat

Installations

Developer Guide

Yes

CommonJS, ESM

>=0.4

23.4.0

10.9.2

Score

Pull Requests

0

1

0

1

Issues

1

3

2

Releases

Unable to fetch releases

Languages

Developer

ljharb

Download Statistics

GitHub Statistics

Sponsor this package

Maintainers

Package Meta Information

Total Downloads

NaN

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dependencies

Dev Dependencies

safe-array-concat

Getting started

Usage/Examples

Tests

10

10

10

10

10

0

0

0

0

0

0

0

4.5

/10