cssnano/types/plugins/postcss-merge-rules/lib/nonAdjacentMerge.d.ts

A modular CSS minifier, built on top of the PostCSS ecosystem.

import type { Container } from 'postcss';
import type MergeState from './mergeState.js';
/**
 * Joins siblings that apply under the same circumstances across any nodes
 * between them that set no conflicting property, in every container except
 * style rules, whose rules the scan handles.
 *
 * Rules with the same selector set the same properties on the same elements
 * at the same specificity. The later rule moves up into the earlier one or,
 * failing that, the earlier rule moves down into the later one. Joining
 * always shrinks the output because the selector is not repeated.
 *
 * Sibling `@media`, `@supports` or `@container` blocks with identical
 * conditions apply their content under the same circumstances, so one block
 * joins the other when nothing between them, at any depth, sets a property
 * that its declarations also set. Named `@layer` blocks are left
 * out: their order comes from where each layer first appears.
 *
 * Rules that set the same declarations in the same order also share one
 * rule: a later rule adds its selectors to the earlier one, and is removed,
 * when no node between them sets a property its declarations also set.
 *
 * @param {Container} root
 * @param {MergeState} mergeState
 * @return {boolean} whether anything was joined
 */
export declare function joinNonAdjacent(root: Container, mergeState: MergeState): boolean;
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