npm package
Home@babel/plugin-transform-duplicate-keys
@babel/plugin-transform-duplicate-keys is a Babel plugin that compiles JavaScript objects with duplicate keys into valid strict ES5 code. It is useful for ensuring compatibility with older JavaScript environments that do not support duplicate keys in object literals. This plugin fits into applications that require backward compatibility for JavaScript code.
- lurq health score
- 91/100
- Confidence
- proven
- Weekly downloads
- 40,951,370
- Latest version
- 8.0.1
- Last release
- Jul 31, 2026
- License
- MIT
Should you depend on @babel/plugin-transform-duplicate-keys?
lurq's verdict: low
- No known advisories
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Other build-tool packages lurq scores
- @babel/parser91/100 · proven
- @babel/generator91/100 · proven
- @babel/traverse91/100 · proven
- @babel/template91/100 · proven
- @babel/core91/100 · proven
Scored from public signals (npm registry, GitHub, deps.dev and advisory databases). Data as of Sep 6, 2026; this page refreshes every 24 hours. Source repository.