Gathering detailed insights and metrics for tailwind-merge
Gathering detailed insights and metrics for tailwind-merge
Merge Tailwind CSS classes without style conflicts
Installations
npm install tailwind-mergeDeveloper Guide
BETA
Typescript
Yes
Module System
CommonJS, ESM
Node Version
22.15.0
NPM Version
11.3.0
Score
99.5
Supply Chain
84.1
Quality
95.4
Maintenance
100
Vulnerability
100
License
Releases
60
Languages
2
TypeScript
JavaScript
TypeScript (94.38%)
JavaScript (5.62%)
Developer
Download Statistics
Total Downloads
303,390,561
Last Day
1,573,519
Last Week
9,709,242
Last Month
39,742,681
Last Year
235,491,712
GitHub Statistics
MIT License
5,139 Stars
1,331 Commits
79 Forks
10 Watchers
5 Branches
31 Contributors
Updated on May 16, 2025
Bundle Size
26.55 kB
Minified
8.00 kB
Minified + Gzipped
Sponsor this package
Maintainers
1
Package Meta Information
Latest Version
3.3.0
Package Id
tailwind-merge@3.3.0
Unpacked Size
877.18 kB
Size
149.48 kB
File Count
28
NPM Version
11.3.0
Node Version
22.15.0
Published on
May 11, 2025
Total Downloads
Cumulative downloads
Total Downloads
303,390,561
Last Day
-0.8%
1,573,519
Compared to previous day
Last Week
5.9%
9,709,242
Compared to previous week
Last Month
8.7%
39,742,681
Compared to previous month
Last Year
280.7%
235,491,712
Compared to previous year
Weekly Downloads
Monthly Downloads
Yearly Downloads
Dev Dependencies
22
@babel/core@babel/preset-env@codspeed/vitest-plugin@rollup/plugin-babel@rollup/plugin-node-resolve@rollup/plugin-typescript@vitest/coverage-v8@vitest/eslint-pluginbabel-plugin-annotate-pure-callsbabel-plugin-polyfill-regeneratoreslinteslint-plugin-importglobbyprettierrolluprollup-plugin-deleterollup-plugin-dtstslibtypescripttypescript-eslintvitestzx
tailwind-merge
Utility function to efficiently merge Tailwind CSS classes in JS without style conflicts.
1import { twMerge } from 'tailwind-merge'
2
3twMerge('px-2 py-1 bg-red hover:bg-dark-red', 'p-3 bg-[#B91C1C]')
4// → 'hover:bg-dark-red p-3 bg-[#B91C1C]'- Supports Tailwind v4.0 up to v4.1 (if you use Tailwind v3, use tailwind-merge v2.6.0)
- Works in all modern browsers and maintained Node versions
- Fully typed
- Check bundle size on Bundlephobia
Get started
No vulnerabilities found.
Reason
30 commit(s) and 12 issue activity found in the last 90 days -- score normalized to 10
Reason
security policy file detected
Details
- Info: security policy file detected: .github/SECURITY.md:1
- Info: Found linked content: .github/SECURITY.md:1
- Info: Found disclosure, vulnerability, and/or timelines in security policy: .github/SECURITY.md:1
- Info: Found text in security policy: .github/SECURITY.md:1
Reason
no dangerous workflow patterns detected
Reason
no binaries found in the repo
Reason
license file detected
Details
- Info: project has a license file: LICENSE.md:0
- Info: FSF or OSI recognized license: MIT License: LICENSE.md:0
Reason
packaging workflow detected
Details
- Info: Project packages its releases by way of GitHub Actions.: .github/workflows/npm-publish-dev.yml:8
Reason
0 existing vulnerabilities detected
Reason
SAST tool detected but not run on all commits
Details
- Info: SAST configuration detected: CodeQL
- Warn: 0 commits out of 26 are checked with a SAST tool
Reason
Found 0/6 approved changesets -- score normalized to 0
Reason
no effort to earn an OpenSSF best practices badge detected
Reason
dependency not pinned by hash detected -- score normalized to 0
Details
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/benchmark.yml:13: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/benchmark.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/benchmark.yml:15: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/benchmark.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/benchmark.yml:19: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/benchmark.yml/main?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/benchmark.yml:27: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/benchmark.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/codeql-analysis.yml:19: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/codeql-analysis.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/codeql-analysis.yml:21: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/codeql-analysis.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/codeql-analysis.yml:25: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/codeql-analysis.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/codeql-analysis.yml:32: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/codeql-analysis.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/codeql-analysis.yml:38: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/codeql-analysis.yml/main?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/comment-released-prs-and-issues.yml:14: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/comment-released-prs-and-issues.yml/main?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/draft-release.yml:13: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/draft-release.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/label.yml:28: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/label.yml/main?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/label.yml:53: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/label.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/metrics-report.yml:11: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/metrics-report.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/metrics-report.yml:13: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/metrics-report.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/metrics-report.yml:17: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/metrics-report.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/metrics-report.yml:25: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/metrics-report.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/metrics-report.yml:30: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/metrics-report.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/npm-publish-dev.yml:13: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/npm-publish-dev.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/npm-publish-dev.yml:15: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/npm-publish-dev.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/npm-publish-dev.yml:21: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/npm-publish-dev.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/npm-publish-dev.yml:29: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/npm-publish-dev.yml/main?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/npm-publish-dev.yml:34: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/npm-publish-dev.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/npm-publish.yml:13: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/npm-publish.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/npm-publish.yml:15: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/npm-publish.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/npm-publish.yml:19: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/npm-publish.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/npm-publish.yml:29: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/npm-publish.yml/main?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/npm-publish.yml:37: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/npm-publish.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:13: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/test.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:15: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/test.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:19: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/test.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:29: update your workflow using https://app.stepsecurity.io/secureworkflow/dcastil/tailwind-merge/test.yml/main?enable=pin
- Warn: npmCommand not pinned by hash: .github/workflows/npm-publish-dev.yml:39
- Warn: npmCommand not pinned by hash: .github/workflows/npm-publish.yml:37
- Info: 0 out of 26 GitHub-owned GitHubAction dependencies pinned
- Info: 0 out of 6 third-party GitHubAction dependencies pinned
- Info: 0 out of 2 npmCommand dependencies pinned
Reason
detected GitHub workflow tokens with excessive permissions
Details
- Info: jobLevel 'actions' permission set to 'read': .github/workflows/codeql-analysis.yml:14
- Info: jobLevel 'contents' permission set to 'read': .github/workflows/codeql-analysis.yml:15
- Warn: no topLevel permission defined: .github/workflows/benchmark.yml:1
- Warn: no topLevel permission defined: .github/workflows/codeql-analysis.yml:1
- Warn: no topLevel permission defined: .github/workflows/comment-released-prs-and-issues.yml:1
- Warn: no topLevel permission defined: .github/workflows/draft-release.yml:1
- Warn: no topLevel permission defined: .github/workflows/label.yml:1
- Warn: no topLevel permission defined: .github/workflows/metrics-report.yml:1
- Warn: no topLevel permission defined: .github/workflows/npm-publish-dev.yml:1
- Warn: no topLevel permission defined: .github/workflows/npm-publish.yml:1
- Warn: no topLevel permission defined: .github/workflows/test.yml:1
- Info: no jobLevel write permissions found
Reason
project is not fuzzed
Details
- Warn: no fuzzer integrations found
Score
6.3
/10
Last Scanned on 2025-05-12
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