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/**
* @param {SVGElement} dom
* @param {string} value
* @returns {void}
*/
export function set_svg_class(dom, value) {
// @ts-expect-error need to add __className to patched prototype
var prev_class_name = dom.__className;
var next_class_name = to_class(value);
if (hydrating && dom.getAttribute('class') === next_class_name) {
// In case of hydration don't reset the class as it's already correct.
// @ts-expect-error need to add __className to patched prototype
dom.__className = next_class_name;
} else if (
prev_class_name !== next_class_name ||
(hydrating && dom.getAttribute('class') !== next_class_name)
) {
if (next_class_name === '') {
dom.removeAttribute('class');
} else {
dom.setAttribute('class', next_class_name);
}
// @ts-expect-error need to add __className to patched prototype
dom.__className = next_class_name;
}
}
/**
* @param {MathMLElement} dom
* @param {string} value
* @returns {void}
*/
export function set_mathml_class(dom, value) {
// @ts-expect-error need to add __className to patched prototype
var prev_class_name = dom.__className;
var next_class_name = to_class(value);
if (hydrating && dom.getAttribute('class') === next_class_name) {
// In case of hydration don't reset the class as it's already correct.
// @ts-expect-error need to add __className to patched prototype
dom.__className = next_class_name;
} else if (
prev_class_name !== next_class_name ||
(hydrating && dom.getAttribute('class') !== next_class_name)
) {
if (next_class_name === '') {
dom.removeAttribute('class');
} else {
dom.setAttribute('class', next_class_name);
}
// @ts-expect-error need to add __className to patched prototype
dom.__className = next_class_name;
}
}
/**
* @param {HTMLElement} dom
* @param {string} value
* @returns {void}
*/
export function set_class(dom, value) {
// @ts-expect-error need to add __className to patched prototype
var prev_class_name = dom.__className;
var next_class_name = to_class(value);
if (hydrating && dom.className === next_class_name) {
// In case of hydration don't reset the class as it's already correct.
// @ts-expect-error need to add __className to patched prototype
dom.__className = next_class_name;
} else if (
prev_class_name !== next_class_name ||
(hydrating && dom.className !== next_class_name)
) {
// Removing the attribute when the value is only an empty string causes
// peformance issues vs simply making the className an empty string. So
// we should only remove the class if the the value is nullish.
if (value == null) {
dom.removeAttribute('class');
} else {
dom.className = next_class_name;
}
// @ts-expect-error need to add __className to patched prototype
dom.__className = next_class_name;
}
}
/**
* @template V
* @param {V} value
* @returns {string | V}
*/
function to_class(value) {
return value == null ? '' : value;
}
/**
* @param {Element} dom
* @param {string} class_name
* @param {boolean} value
* @returns {void}
*/
export function toggle_class(dom, class_name, value) {
if (value) {
if (dom.classList.contains(class_name)) return;
dom.classList.add(class_name);
} else {
if (!dom.classList.contains(class_name)) return;
dom.classList.remove(class_name);
}
}
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