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41 lines
1.0 KiB
JavaScript
41 lines
1.0 KiB
JavaScript
import {ELEMENT_NODE} from './constants.js';
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import {END, MIME, NEXT, PREV} from './symbols.js';
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const $String = String;
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export {$String as String};
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export const getEnd = node => node.nodeType === ELEMENT_NODE ? node[END] : node;
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export const ignoreCase = ({ownerDocument}) => ownerDocument[MIME].ignoreCase;
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export const knownAdjacent = (prev, next) => {
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prev[NEXT] = next;
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next[PREV] = prev;
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};
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export const knownBoundaries = (prev, current, next) => {
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knownAdjacent(prev, current);
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knownAdjacent(getEnd(current), next);
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};
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export const knownSegment = (prev, start, end, next) => {
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knownAdjacent(prev, start);
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knownAdjacent(getEnd(end), next);
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};
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export const knownSiblings = (prev, current, next) => {
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knownAdjacent(prev, current);
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knownAdjacent(current, next);
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};
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export const localCase = ({localName, ownerDocument}) => {
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return ownerDocument[MIME].ignoreCase ? localName.toUpperCase() : localName;
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};
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export const setAdjacent = (prev, next) => {
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if (prev)
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prev[NEXT] = next;
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if (next)
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next[PREV] = prev;
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};
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