Gathering detailed insights and metrics for safe-array-concat
Gathering detailed insights and metrics for safe-array-concat
`Array.prototype.concat`, but made safe by ignoring Symbol.isConcatSpreadable
Installations
npm install safe-array-concatDeveloper 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
Releases
Unable to fetch releases
Languages
1
JavaScript
JavaScript (100%)
Developer
ljharb
Download Statistics
Total Downloads
0
Last Day
0
Last Week
0
Last Month
0
Last Year
0
GitHub Statistics
MIT License
5 Stars
36 Commits
1 Forks
2 Watchers
1 Branches
2 Contributors
Updated on Dec 12, 2024
Sponsor this package
Maintainers
1
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
11
NPM Version
10.9.2
Node Version
23.4.0
Published on
Dec 12, 2024
Total Downloads
Cumulative downloads
Total Downloads
NaN
Last Day
0%
NaN
Compared to previous day
Last Week
0%
NaN
Compared to previous week
Last Month
0%
NaN
Compared to previous month
Last Year
0%
NaN
Compared to previous year
Weekly Downloads
Monthly Downloads
Yearly Downloads
Dependencies
5
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
No vulnerabilities found.
Reason
no binaries found in the repo
Reason
no dangerous workflow patterns detected
Reason
0 existing vulnerabilities detected
Reason
license file detected
Details
- Info: project has a license file: LICENSE:0
- Info: FSF or OSI recognized license: MIT License: LICENSE:0
Reason
security policy file detected
Details
- Info: security policy file detected: github.com/ljharb/.github/SECURITY.md:1
- Info: Found linked content: github.com/ljharb/.github/SECURITY.md:1
- Info: Found disclosure, vulnerability, and/or timelines in security policy: github.com/ljharb/.github/SECURITY.md:1
- Info: Found text in security policy: github.com/ljharb/.github/SECURITY.md:1
Reason
Found 0/30 approved changesets -- score normalized to 0
Reason
0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0
Reason
dependency not pinned by hash detected -- score normalized to 0
Details
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/node-aught.yml:7: update your workflow using https://app.stepsecurity.io/secureworkflow/ljharb/safe-array-concat/node-aught.yml/main?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/node-pretest.yml:7: update your workflow using https://app.stepsecurity.io/secureworkflow/ljharb/safe-array-concat/node-pretest.yml/main?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/node-tens.yml:10: update your workflow using https://app.stepsecurity.io/secureworkflow/ljharb/safe-array-concat/node-tens.yml/main?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/node-twenties.yml:10: update your workflow using https://app.stepsecurity.io/secureworkflow/ljharb/safe-array-concat/node-twenties.yml/main?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/rebase.yml:7: update your workflow using https://app.stepsecurity.io/secureworkflow/ljharb/safe-array-concat/rebase.yml/main?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/require-allow-edits.yml:12: update your workflow using https://app.stepsecurity.io/secureworkflow/ljharb/safe-array-concat/require-allow-edits.yml/main?enable=pin
- Info: 0 out of 6 third-party GitHubAction dependencies pinned
Reason
no SAST tool detected
Details
- Warn: no pull requests merged into dev branch
Reason
detected GitHub workflow tokens with excessive permissions
Details
- Warn: no topLevel permission defined: .github/workflows/node-aught.yml:1
- Warn: no topLevel permission defined: .github/workflows/node-pretest.yml:1
- Info: topLevel 'contents' permission set to 'read': .github/workflows/node-tens.yml:6
- Info: topLevel 'contents' permission set to 'read': .github/workflows/node-twenties.yml:6
- Warn: no topLevel permission defined: .github/workflows/rebase.yml:1
- Warn: no topLevel permission defined: .github/workflows/require-allow-edits.yml:1
- Info: no jobLevel write permissions found
Reason
no effort to earn an OpenSSF best practices badge detected
Reason
project is not fuzzed
Details
- Warn: no fuzzer integrations found
Score
4.5
/10
Last Scanned on 2025-07-07
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