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@ -412,6 +412,8 @@ function relative_selector_might_apply_to_node(relative_selector, rule, element,
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const child_elements = [];
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/** @type {Array<Compiler.AST.RegularElement | Compiler.AST.SvelteElement>} */
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const descendant_elements = [];
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/** @type {Array<Compiler.AST.RegularElement | Compiler.AST.SvelteElement>} */
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let sibling_elements; // do them lazy because it's rarely used and expensive to calculate
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walk(
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/** @type {Compiler.SvelteNode} */ (element.fragment),
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@ -457,7 +459,11 @@ function relative_selector_might_apply_to_node(relative_selector, rule, element,
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}
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const descendants =
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left_most_combinator.name === '>' ? child_elements : descendant_elements;
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left_most_combinator.name === '+' || left_most_combinator.name === '~'
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? (sibling_elements ??= get_following_sibling_elements(element))
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: left_most_combinator.name === '>'
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? child_elements
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: descendant_elements;
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let selector_matched = false;
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@ -675,6 +681,51 @@ function relative_selector_might_apply_to_node(relative_selector, rule, element,
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return true;
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}
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/** @param {Compiler.AST.RegularElement | Compiler.AST.SvelteElement} element */
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function get_following_sibling_elements(element) {
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/** @type {Compiler.AST.RegularElement | Compiler.AST.SvelteElement | Compiler.AST.Root | null} */
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let parent = get_element_parent(element);
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if (!parent) {
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parent = element;
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while (parent?.type !== 'Root') {
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parent = /** @type {any} */ (parent).parent;
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}
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}
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/** @type {Array<Compiler.AST.RegularElement | Compiler.AST.SvelteElement>} */
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const sibling_elements = [];
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let found_parent = false;
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for (const el of parent.fragment.nodes) {
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if (found_parent) {
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walk(
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el,
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{},
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{
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RegularElement(node) {
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sibling_elements.push(node);
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},
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SvelteElement(node) {
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sibling_elements.push(node);
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}
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}
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);
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} else {
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/** @type {any} */
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let child = element;
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while (child !== el && child !== parent) {
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child = child.parent;
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}
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if (child === el) {
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found_parent = true;
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}
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}
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}
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return sibling_elements;
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}
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/**
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* @param {any} operator
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* @param {any} expected_value
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