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Revert "[Slot] Deduplicate merged className prop (#2336)" #3162

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Oct 1, 2024
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Revert "[Slot] Deduplicate merged className prop (#2336)" #3162

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Revert "[Slot] Deduplicate merged `className` prop (#2336)"
chaance Oct 1, 2024
b79c647
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chaance Oct 1, 2024
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3 changes: 3 additions & 0 deletions .yarn/versions/9bca397e.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
declined:
- primitives
- "@radix-ui/react-slot"
37 changes: 0 additions & 37 deletions packages/react/slot/src/Slot.test.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -106,43 +106,6 @@ describe('given a slotted Trigger', () => {
expect(handleChildClick).toHaveBeenCalledTimes(1);
});
});

describe('with className on itself', () => {
beforeEach(() => {
render(
<Trigger as={Slot} className="btn">
<button type="button">Click me</button>
</Trigger>
);
});

it('should apply the className to the child', () => {
expect(screen.getByRole('button')).toHaveClass('btn');
});
});

describe('with className on itself AND the child', () => {
beforeEach(() => {
render(
<Trigger as={Slot} className="btn btn-sm">
<button type="button" className=" btn btn-primary ">
Click me
</button>
</Trigger>
);
});

it('should merge className and apply it to the child', () => {
expect(screen.getByRole('button')).toHaveClass('btn', 'btn-sm', 'btn-primary');
});

it('should deduplicate merged className', () => {
const classNames = screen.getByRole('button').className.split(' ');

expect(classNames).toHaveLength(3);
expect(classNames.filter((name) => name === 'btn')).toHaveLength(1);
});
});
});

describe('given a Button with Slottable', () => {
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21 changes: 2 additions & 19 deletions packages/react/slot/src/Slot.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -115,25 +115,8 @@ function mergeProps(slotProps: AnyProps, childProps: AnyProps) {
// if it's `style`, we merge them
else if (propName === 'style') {
overrideProps[propName] = { ...slotPropValue, ...childPropValue };
}
// if it's `className`, we deduplicate and merge them
else if (propName === 'className') {
const classNameSet = new Set<string>();

if (slotPropValue && typeof slotPropValue === 'string') {
slotPropValue
.split(' ')
.filter(Boolean)
.forEach((name) => classNameSet.add(name));
}
if (childPropValue && typeof childPropValue === 'string') {
childPropValue
.split(' ')
.filter(Boolean)
.forEach((name) => classNameSet.add(name));
}

overrideProps[propName] = [...classNameSet].join(' ');
} else if (propName === 'className') {
overrideProps[propName] = [slotPropValue, childPropValue].filter(Boolean).join(' ');
}
}

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