v9: `decode` does not work with `import *` in TypeScript
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 35/100
- Issue type
- Bug
- Clarity
- Clearly specified
- Activity status
- Stale
- Tech stack
- javascript, node.js, typescript
Research direction
Reproduce the failure with the shown TypeScript import * as jwt example and compare it with the working default import. Then inspect the package's module export implementation, using related issues #866 and #870 for context; done means jwt.decode("abc") is callable under the reported TypeScript setup.
Written by the indexing model from the issue text.
Description
Description
If you import * as jwt from "jsonwebtoken", then you can't call jwt.decode. It works fine if you use a default import though (import jwt from "jsonwebtoken").
Related to #866, and probably also #870.
The root cause of this is that import * in TS gets translated in such a way that only enumerable properties are copied from the module. Since decode is non-enumerable it is not properly copied.
Reproduction
import * as jwt from "jsonwebtoken";
jwt.decode("abc"); // TypeError: jwt.decode is not a function
Environment
Version 9.0.0 on Node 16.19.0 with TS 4.6.2
- Dominant language
- JavaScript
- Stars
- 18.2k
- Forks
- 1.3k
- PR merge metrics
- No merged PRs in 30d
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.
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