reactjs / reactjs/react-docgen

The enum value of oneOf doesn't recognize description.

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help wanted improvement
Dominant language
TypeScript
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Description

Hi,react-docgen does't recognize description for oneOf enum value.Sometimes enum value will make people so confused.It's good to show the comment in description.

Example Component

import React, { Component } from 'react'
import PropTypes from 'prop-types'

class Box extends Component {
  render() {
    return <div>box</div>
  }
}

Box.propTypes = {
  /** 排列 */
  flexDirection: PropTypes.oneOf([
    /** 横向 */
    'row',
    /** 纵向 */
    'column',
  ]),
}

export default Box;

Output Docgen

The comment "横向, 纵向" doesn't show in description.

{
  "description": "",
  "displayName": "Box",
  "methods": [],
  "props": {
    "name": {
      "flexDirection": {
        "defaultValue": {
          "value": "'column'",
          "computed": false
        },
        "type": {
          "name": "enum",
          "value": [{
            "value": "'row'",
            "computed": false
          }, {
            "value": "'column'",
            "computed": false
          }]
        },
        "required": false,
        "description": "排列"
      }
    }
  }
}

Contributor guide

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the reported Box component and its PropTypes.oneOf example, then compare the generated JSON with the inline comments on each enum value. Trace how oneOf values are represented and confirm that the output includes their descriptions while preserving the prop-level description. Done means the documented example produces descriptions for both “row” and “column”.

Written by the indexing model from the issue text.

Assessment

Tech stack
react, typescript
Domain
documentation
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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