sourcemap generate error with MagicString
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- Dominant language
- JavaScript
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Description
in renderChunk ,
const res = new MagicString(code)
// without any modify
return {
code:res.toString(),
map:res.generateMap()
}
but the js.map's mappings is empty,why?
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 reproducing the minimal renderChunk example using MagicString and inspect the generated js.map mappings. Read the sourcemap handling around renderChunk and compare the result with and without modifications. Done means explaining the empty mappings and adding a regression test if the behavior is confirmed as a Rollup bug.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- build-system
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100