structuredClone turns boxed BigInt values into plain objects
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- C++
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Description
Description
The React Native structuredClone polyfill handles boxed Boolean, Number, and String values but omits boxed BigInt. structuredClone(Object(1n)) therefore returns a plain empty object that is not a BigInt wrapper and has no usable primitive value.
Expected behavior
The clone should be a distinct boxed BigInt whose valueOf() matches the input. Native structuredClone follows this behavior.
React Native Version
0.87.1 and current main
Affected Platforms
JavaScript runtime - All
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the React Native structuredClone polyfill and read how boxed Boolean, Number, and String values are handled. Add coverage for structuredClone(Object(1n)) and verify the result is a distinct boxed BigInt whose valueOf() matches the input.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, react-native
- Domain
- mobile
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 70/100