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fix: improve to not treat as a valid option when the value is null. #564

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merged 4 commits into from
Aug 28, 2024
Merged

fix: improve to not treat as a valid option when the value is null. #564

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302e06e
fix: improve to not treat as a valid option when the value is null.
Wxh16144 Aug 27, 2024
e5223d5
Revert "​"
Wxh16144 Aug 27, 2024
0dd12df
​
Oct 1, 2049
2b8f4c7
chore: add unit test
Wxh16144 Aug 27, 2024
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2 changes: 1 addition & 1 deletion src/TreeSelect.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -390,7 +390,7 @@ const TreeSelect = React.forwardRef<BaseSelectRef, TreeSelectProps>((props, ref)

// =========================== Values ===========================
const rawMixedLabeledValues = React.useMemo(
() => toLabeledValues(internalValue),
() => toLabeledValues(internalValue === null ? [] : internalValue),
[toLabeledValues, internalValue],
);

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38 changes: 38 additions & 0 deletions tests/Select.multiple.spec.js
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Expand Up @@ -310,4 +310,42 @@ describe('TreeSelect.multiple', () => {
).map(ele => ele.textContent);
expect(values).toEqual(['child1', 'child2', 'parent']);
});

// https://github.com/ant-design/ant-design/issues/50578#issuecomment-2312130715
it('should not omit value when value is null', () => {
const { container } = render(
<TreeSelect
value={null}
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value={[null]} value={[null, null]} value={['child1', null]} 的 UI 表现分别是什么样的？

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你说的这3种形式，都属于同一种case，表明已选 value 为 null 的字段。 （这点和 select 的规则一样）

但应该不会出现第二种吧，表示选择了两个 null，

在 options 种允许 value 为 null 的

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具体 UI 表现如何呢，本次改动是否有影响？

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具体 UI 表现如何呢，本次改动是否有影响？

我 debug 枚举一下看看，（应该没啥影响）

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before after
image image

multiple
placeholder="Fake placeholder"
treeData={[
{
label: 'parent',
value: 'parent',
children: [
{
label: 'child1',
value: 'child1',
},
{
label: 'child2',
value: 'child2',
},
],
},
]}
/>,
);

const values = Array.from(
container.querySelectorAll('.rc-tree-select-selection-item-content'),
); //.map(ele => ele.textContent);

expect(values).toHaveLength(0);

const placeholder = container.querySelector('[class$=placeholder]');
expect(placeholder).toBeTruthy();
expect(placeholder.textContent).toBe('Fake placeholder');
});

});
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