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@babel/plugin-transform-duplicate-keys
Advanced tools
Compile objects with duplicate keys to valid strict ES5
The @babel/plugin-transform-duplicate-keys npm package is designed to help developers manage object literals in JavaScript that have duplicate keys. When using this plugin, Babel will transform object literals containing duplicate keys by ensuring that the last key-value pair is the one that is ultimately defined, following the standard JavaScript behavior. This can be particularly useful in scenarios where code is being generated or transformed and duplicate keys may be introduced unintentionally.
Transforming Duplicate Keys in Object Literals
This feature allows the transformation of object literals with duplicate keys in JavaScript code. The plugin ensures that if an object literal contains duplicate keys, only the last occurrence of the key is kept, and previous ones are ignored. This aligns with the standard JavaScript behavior where the last property assignment overrides earlier assignments with the same key.
{"type": "object", "properties": {"duplicateKey": {"type": "string"}, "duplicateKey": {"type": "number"}}}
Compile objects with duplicate keys to valid strict ES5
See our website @babel/plugin-transform-duplicate-keys for more information.
Using npm:
npm install --save-dev @babel/plugin-transform-duplicate-keys
or using yarn:
yarn add @babel/plugin-transform-duplicate-keys --dev
FAQs
Compile objects with duplicate keys to valid strict ES5
The npm package @babel/plugin-transform-duplicate-keys receives a total of 18,285,946 weekly downloads. As such, @babel/plugin-transform-duplicate-keys popularity was classified as popular.
We found that @babel/plugin-transform-duplicate-keys demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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