gooroodev commented on PR #19638:
URL: https://github.com/apache/echarts/pull/19638#issuecomment-2131318929
### Summary of Changes
1. **Axis.ts Modifications:**
- **Imports:** Added `isArray` from `zrender/src/core/util`.
- **Method `fixExtentWithBands`:** Updated to accept an additional
parameter `onBand` which is an array of numbers. This array is used to adjust
the extent margins.
- **Method `dataToCoord`:** Updated to pass the `onBand` array to
`fixExtentWithBands`.
2. **New Test File:**
- **File:** `line-space-between.html`
- **Purpose:** Added a new HTML test file to visualize the changes. This
file sets up a chart with a category axis and boundary gaps.
### Issues, Bugs, and Typos
1. **Typo in Pull Request Title:**
- **Current Title:** "feat(axis): enale boundaryGap for category axis"
- **Corrected Title:** "feat(axis): enable boundaryGap for category axis"
2. **Code Issues:**
- **Default Parameter in `fixExtentWithBands`:**
- **Current Code:** `function fixExtentWithBands(extent: [number,
number], nTick: number, onBand = [] as number[]): void {`
- **Improved Code:** The current usage is correct, but consider adding
a type assertion for clarity.
```typescript
function fixExtentWithBands(extent: [number, number], nTick: number,
onBand: number[] = []): void {
```
### General Review of Code Quality and Style
1. **Code Quality:**
- The changes are clear and well-structured.
- The addition of the `isArray` check ensures that `onBand` is correctly
processed as an array, which adds robustness to the code.
- The new test file is a good addition for visual verification of the
changes.
2. **Code Style:**
- The code adheres to TypeScript best practices.
- The use of default parameters in the `fixExtentWithBands` function is
appropriate and enhances readability.
### Recommendations
1. **Title Correction:**
- Update the pull request title to correct the typo.
2. **Documentation:**
- Consider adding comments to the new parameters and methods to explain
their purpose and usage.
3. **Tests:**
- Ensure that the new test file is integrated into the existing test
suite if applicable. Automated tests should verify the correctness of the
`boundaryGap` feature.
### Conclusion
The pull request introduces a useful feature for enabling `boundaryGap` on
category axes, with well-structured code and a new test file for verification.
Minor improvements and typo corrections are suggested to enhance clarity and
correctness.
Yours, [Gooroo.dev](https://gooroo.dev). To receive reviews automatically,
[install Github App](https://github.com/apps/gooroo-dev)
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