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fix(core): support popover boolean attribute #4393

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May 22, 2024
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3 changes: 2 additions & 1 deletion src/diff/props.js
Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,7 @@ export function setProperty(dom, name, value, oldValue, namespace) {
name != 'rowSpan' &&
name != 'colSpan' &&
name != 'role' &&
name != 'popover' &&
name in dom
) {
try {
Expand All @@ -135,7 +136,7 @@ export function setProperty(dom, name, value, oldValue, namespace) {
if (typeof value == 'function') {
// never serialize functions as attribute values
} else if (value != null && (value !== false || name[4] === '-')) {
dom.setAttribute(name, value);
dom.setAttribute(name, name == 'popover' && value == true ? '' : value);
} else {
dom.removeAttribute(name);
}
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15 changes: 15 additions & 0 deletions test/browser/render.test.js
Original file line number Diff line number Diff line change
Expand Up @@ -472,6 +472,21 @@ describe('render()', () => {
expect(scratch.firstChild.spellcheck).to.equal(false);
});

it('should support popover auto', () => {
render(<div popover="auto" />, scratch);
expect(scratch.innerHTML).to.equal("<div popover=\"auto\"></div>");
});

it('should support popover true boolean', () => {
render(<div popover />, scratch);
expect(scratch.innerHTML).to.equal("<div popover=\"\"></div>");
});

it('should support popover false boolean', () => {
render(<div popover={false} />, scratch);
expect(scratch.innerHTML).to.equal("<div></div>");
});

// Test for preactjs/preact#4340
it('should respect defaultValue in render', () => {
scratch.innerHTML = '<input value="foo">';
Expand Down
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