gooroodev commented on PR #19653:
URL: https://github.com/apache/echarts/pull/19653#issuecomment-2131318961
### 1. Summary of Changes
The pull request aims to enable stacking on the value xAxis. The changes
include:
- Adding logic to identify if the y-axis dimension is stackable.
- Modifying the conditions under which dimensions are considered for
stacking to include checks for the y-axis stackability.
- Ensuring compatibility with previous designs by forcing the stacking to be
done by index if no specific dimension is provided for stacking.
### 2. Issues, Bugs, or Typos
**Issue 1: Typo in Comments**
- The comment added in the new block of code has a small readability issue.
```typescript
// Compatible with previous design, value axis (time axis) only stack by
index.
// It may make sense if the user provides elaborately constructed data.
```
**Improvement:**
```typescript
// Compatible with the previous design, where the value axis (time axis)
only stacks by index.
// This may make sense if the user provides elaborately constructed data.
```
**Issue 2: Potential Redundancy in the `isYCoordDimensionStackable`
Condition**
- The condition `yCoordDimension != null` is checked twice, once in the
definition of `isYCoordDimensionStackable` and again in the condition
`yCoordDimension == null || (dimensionInfo.coordDim !== 'x' &&
isYCoordDimensionStackable)`. This could be simplified.
**Improvement:**
```typescript
const isYCoordDimensionStackable = yCoordDimension != null
&& yCoordDimension.type !== 'ordinal' && yCoordDimension.type !==
'time';
each(dimensionDefineList, function (dimensionInfo, index) {
if (isString(dimensionInfo)) {
dimensionDefineList[index] = dimensionInfo = {
name: dimensionInfo
};
}
if (!stackedDimInfo
&& dimensionInfo.type !== 'ordinal'
&& dimensionInfo.type !== 'time'
&& (dimensionInfo.coordDim !== 'x' || !isYCoordDimensionStackable)
&& (!stackedCoordDimension || stackedCoordDimension ===
dimensionInfo.coordDim)
) {
stackedDimInfo = dimensionInfo;
}
});
```
### 3. General Review of Code Quality and Style
- **Code Quality:** The code is well-structured and follows a logical flow.
The added conditions and logic are clear and appropriately placed within the
existing function.
- **Style:** The code adheres to common TypeScript/JavaScript conventions.
Variable names are descriptive, and comments are used to explain the logic.
- **Compatibility:** The code maintains compatibility with previous designs,
which is crucial for avoiding breaking changes.
- **Efficiency:** The changes seem efficient and should not introduce
significant performance overhead.
Overall, the pull request is well-implemented and makes the necessary
changes to allow stacking on the value xAxis while maintaining compatibility
with existing functionality. The suggested improvements are minor and primarily
focused on readability and slight optimization.
Yours, [Gooroo.dev](https://gooroo.dev). To receive reviews automatically,
[install Github App](https://github.com/apps/gooroo-dev)
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