Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

chore: simplify css pruning slightly #14432

Merged
merged 1 commit into from
Nov 25, 2024
Merged

chore: simplify css pruning slightly #14432

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
51 changes: 25 additions & 26 deletions packages/svelte/src/compiler/phases/2-analyze/css/css-prune.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -944,15 +944,16 @@ function get_possible_element_siblings(node, adjacent_only) {
let prev = node;
while ((prev = find_previous_sibling(prev))) {
if (prev.type === 'RegularElement') {
if (
!prev.attributes.find(
(attr) => attr.type === 'Attribute' && attr.name.toLowerCase() === 'slot'
)
) {
const has_slot_attribute = prev.attributes.some(
(attr) => attr.type === 'Attribute' && attr.name.toLowerCase() === 'slot'
);

if (!has_slot_attribute) {
result.set(prev, NODE_DEFINITELY_EXISTS);
}
if (adjacent_only) {
break;

if (adjacent_only) {
return result;
}
}
} else if (is_block(prev)) {
const possible_last_child = get_possible_last_child(prev, adjacent_only);
Expand All @@ -971,27 +972,25 @@ function get_possible_element_siblings(node, adjacent_only) {
}
}

if (!prev || !adjacent_only) {
/** @type {Compiler.SvelteNode | null} */
let parent = node;
/** @type {Compiler.SvelteNode | null} */
let parent = node;

while (
// @ts-expect-error TODO
(parent = parent?.parent) &&
is_block(parent)
) {
const possible_siblings = get_possible_element_siblings(parent, adjacent_only);
add_to_map(possible_siblings, result);
while (
// @ts-expect-error TODO
(parent = parent?.parent) &&
is_block(parent)
) {
const possible_siblings = get_possible_element_siblings(parent, adjacent_only);
add_to_map(possible_siblings, result);

// @ts-expect-error
if (parent.type === 'EachBlock' && !parent.fallback?.nodes.includes(node)) {
// `{#each ...}<a /><b />{/each}` — `<b>` can be previous sibling of `<a />`
add_to_map(get_possible_last_child(parent, adjacent_only), result);
}
// @ts-expect-error
if (parent.type === 'EachBlock' && !parent.fallback?.nodes.includes(node)) {
// `{#each ...}<a /><b />{/each}` — `<b>` can be previous sibling of `<a />`
add_to_map(get_possible_last_child(parent, adjacent_only), result);
}

if (adjacent_only && has_definite_elements(possible_siblings)) {
break;
}
if (adjacent_only && has_definite_elements(possible_siblings)) {
break;
}
}

Expand Down