ant-design / ant-design/create-react-app-antd
为什么添加Upload组件后报错，Uncaught Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You likely forgot to export your component from the file it's defined in, or you might have mixed up default and named imports.
Open
- Dominant language
- JavaScript
- Stars
- 576
- Forks
- 186
- PR merge metrics
- No merged PRs in 30d
Description
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Research direction
The issue contains no reproduction steps, files, or tests. Start by reproducing the error in the create-react-app setup with the antd Upload component, then inspect the component import and export path; done means the Upload component renders without the reported invariant violation.
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Assessment
- Tech stack
- javascript, react
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100