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authorRaindropsSys <raindrops@equestria.dev>2023-11-17 23:25:29 +0100
committerRaindropsSys <raindrops@equestria.dev>2023-11-17 23:25:29 +0100
commit953ddd82e48dd206cef5ac94456549aed13b3ad5 (patch)
tree8f003106ee2e7f422e5a22d2ee04d0db302e66c0 /includes/external/addressbook/node_modules/domutils/lib/helpers.js
parent62a9199846b0c07c03218703b33e8385764f42d9 (diff)
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-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.uniqueSort = exports.compareDocumentPosition = exports.DocumentPosition = exports.removeSubsets = void 0;
-var domhandler_1 = require("domhandler");
-/**
- * Given an array of nodes, remove any member that is contained by another.
- *
- * @category Helpers
- * @param nodes Nodes to filter.
- * @returns Remaining nodes that aren't subtrees of each other.
- */
-function removeSubsets(nodes) {
- var idx = nodes.length;
- /*
- * Check if each node (or one of its ancestors) is already contained in the
- * array.
- */
- while (--idx >= 0) {
- var node = nodes[idx];
- /*
- * Remove the node if it is not unique.
- * We are going through the array from the end, so we only
- * have to check nodes that preceed the node under consideration in the array.
- */
- if (idx > 0 && nodes.lastIndexOf(node, idx - 1) >= 0) {
- nodes.splice(idx, 1);
- continue;
- }
- for (var ancestor = node.parent; ancestor; ancestor = ancestor.parent) {
- if (nodes.includes(ancestor)) {
- nodes.splice(idx, 1);
- break;
- }
- }
- }
- return nodes;
-}
-exports.removeSubsets = removeSubsets;
-/**
- * @category Helpers
- * @see {@link http://dom.spec.whatwg.org/#dom-node-comparedocumentposition}
- */
-var DocumentPosition;
-(function (DocumentPosition) {
- DocumentPosition[DocumentPosition["DISCONNECTED"] = 1] = "DISCONNECTED";
- DocumentPosition[DocumentPosition["PRECEDING"] = 2] = "PRECEDING";
- DocumentPosition[DocumentPosition["FOLLOWING"] = 4] = "FOLLOWING";
- DocumentPosition[DocumentPosition["CONTAINS"] = 8] = "CONTAINS";
- DocumentPosition[DocumentPosition["CONTAINED_BY"] = 16] = "CONTAINED_BY";
-})(DocumentPosition = exports.DocumentPosition || (exports.DocumentPosition = {}));
-/**
- * Compare the position of one node against another node in any other document.
- * The return value is a bitmask with the values from {@link DocumentPosition}.
- *
- * Document order:
- * > There is an ordering, document order, defined on all the nodes in the
- * > document corresponding to the order in which the first character of the
- * > XML representation of each node occurs in the XML representation of the
- * > document after expansion of general entities. Thus, the document element
- * > node will be the first node. Element nodes occur before their children.
- * > Thus, document order orders element nodes in order of the occurrence of
- * > their start-tag in the XML (after expansion of entities). The attribute
- * > nodes of an element occur after the element and before its children. The
- * > relative order of attribute nodes is implementation-dependent.
- *
- * Source:
- * http://www.w3.org/TR/DOM-Level-3-Core/glossary.html#dt-document-order
- *
- * @category Helpers
- * @param nodeA The first node to use in the comparison
- * @param nodeB The second node to use in the comparison
- * @returns A bitmask describing the input nodes' relative position.
- *
- * See http://dom.spec.whatwg.org/#dom-node-comparedocumentposition for
- * a description of these values.
- */
-function compareDocumentPosition(nodeA, nodeB) {
- var aParents = [];
- var bParents = [];
- if (nodeA === nodeB) {
- return 0;
- }
- var current = (0, domhandler_1.hasChildren)(nodeA) ? nodeA : nodeA.parent;
- while (current) {
- aParents.unshift(current);
- current = current.parent;
- }
- current = (0, domhandler_1.hasChildren)(nodeB) ? nodeB : nodeB.parent;
- while (current) {
- bParents.unshift(current);
- current = current.parent;
- }
- var maxIdx = Math.min(aParents.length, bParents.length);
- var idx = 0;
- while (idx < maxIdx && aParents[idx] === bParents[idx]) {
- idx++;
- }
- if (idx === 0) {
- return DocumentPosition.DISCONNECTED;
- }
- var sharedParent = aParents[idx - 1];
- var siblings = sharedParent.children;
- var aSibling = aParents[idx];
- var bSibling = bParents[idx];
- if (siblings.indexOf(aSibling) > siblings.indexOf(bSibling)) {
- if (sharedParent === nodeB) {
- return DocumentPosition.FOLLOWING | DocumentPosition.CONTAINED_BY;
- }
- return DocumentPosition.FOLLOWING;
- }
- if (sharedParent === nodeA) {
- return DocumentPosition.PRECEDING | DocumentPosition.CONTAINS;
- }
- return DocumentPosition.PRECEDING;
-}
-exports.compareDocumentPosition = compareDocumentPosition;
-/**
- * Sort an array of nodes based on their relative position in the document and
- * remove any duplicate nodes. If the array contains nodes that do not belong to
- * the same document, sort order is unspecified.
- *
- * @category Helpers
- * @param nodes Array of DOM nodes.
- * @returns Collection of unique nodes, sorted in document order.
- */
-function uniqueSort(nodes) {
- nodes = nodes.filter(function (node, i, arr) { return !arr.includes(node, i + 1); });
- nodes.sort(function (a, b) {
- var relative = compareDocumentPosition(a, b);
- if (relative & DocumentPosition.PRECEDING) {
- return -1;
- }
- else if (relative & DocumentPosition.FOLLOWING) {
- return 1;
- }
- return 0;
- });
- return nodes;
-}
-exports.uniqueSort = uniqueSort;
-//# sourceMappingURL=helpers.js.map \ No newline at end of file