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- "use strict";
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.compileGeneralSelector = void 0;
- var attributes_1 = require("./attributes");
- var pseudo_selectors_1 = require("./pseudo-selectors");
- var css_what_1 = require("css-what");
- /*
- * All available rules
- */
- function compileGeneralSelector(next, selector, options, context, compileToken) {
- var adapter = options.adapter, equals = options.equals;
- switch (selector.type) {
- case css_what_1.SelectorType.PseudoElement: {
- throw new Error("Pseudo-elements are not supported by css-select");
- }
- case css_what_1.SelectorType.ColumnCombinator: {
- throw new Error("Column combinators are not yet supported by css-select");
- }
- case css_what_1.SelectorType.Attribute: {
- if (selector.namespace != null) {
- throw new Error("Namespaced attributes are not yet supported by css-select");
- }
- if (!options.xmlMode || options.lowerCaseAttributeNames) {
- selector.name = selector.name.toLowerCase();
- }
- return attributes_1.attributeRules[selector.action](next, selector, options);
- }
- case css_what_1.SelectorType.Pseudo: {
- return (0, pseudo_selectors_1.compilePseudoSelector)(next, selector, options, context, compileToken);
- }
- // Tags
- case css_what_1.SelectorType.Tag: {
- if (selector.namespace != null) {
- throw new Error("Namespaced tag names are not yet supported by css-select");
- }
- var name_1 = selector.name;
- if (!options.xmlMode || options.lowerCaseTags) {
- name_1 = name_1.toLowerCase();
- }
- return function tag(elem) {
- return adapter.getName(elem) === name_1 && next(elem);
- };
- }
- // Traversal
- case css_what_1.SelectorType.Descendant: {
- if (options.cacheResults === false ||
- typeof WeakSet === "undefined") {
- return function descendant(elem) {
- var current = elem;
- while ((current = adapter.getParent(current))) {
- if (adapter.isTag(current) && next(current)) {
- return true;
- }
- }
- return false;
- };
- }
- // @ts-expect-error `ElementNode` is not extending object
- var isFalseCache_1 = new WeakSet();
- return function cachedDescendant(elem) {
- var current = elem;
- while ((current = adapter.getParent(current))) {
- if (!isFalseCache_1.has(current)) {
- if (adapter.isTag(current) && next(current)) {
- return true;
- }
- isFalseCache_1.add(current);
- }
- }
- return false;
- };
- }
- case "_flexibleDescendant": {
- // Include element itself, only used while querying an array
- return function flexibleDescendant(elem) {
- var current = elem;
- do {
- if (adapter.isTag(current) && next(current))
- return true;
- } while ((current = adapter.getParent(current)));
- return false;
- };
- }
- case css_what_1.SelectorType.Parent: {
- return function parent(elem) {
- return adapter
- .getChildren(elem)
- .some(function (elem) { return adapter.isTag(elem) && next(elem); });
- };
- }
- case css_what_1.SelectorType.Child: {
- return function child(elem) {
- var parent = adapter.getParent(elem);
- return parent != null && adapter.isTag(parent) && next(parent);
- };
- }
- case css_what_1.SelectorType.Sibling: {
- return function sibling(elem) {
- var siblings = adapter.getSiblings(elem);
- for (var i = 0; i < siblings.length; i++) {
- var currentSibling = siblings[i];
- if (equals(elem, currentSibling))
- break;
- if (adapter.isTag(currentSibling) && next(currentSibling)) {
- return true;
- }
- }
- return false;
- };
- }
- case css_what_1.SelectorType.Adjacent: {
- if (adapter.prevElementSibling) {
- return function adjacent(elem) {
- var previous = adapter.prevElementSibling(elem);
- return previous != null && next(previous);
- };
- }
- return function adjacent(elem) {
- var siblings = adapter.getSiblings(elem);
- var lastElement;
- for (var i = 0; i < siblings.length; i++) {
- var currentSibling = siblings[i];
- if (equals(elem, currentSibling))
- break;
- if (adapter.isTag(currentSibling)) {
- lastElement = currentSibling;
- }
- }
- return !!lastElement && next(lastElement);
- };
- }
- case css_what_1.SelectorType.Universal: {
- if (selector.namespace != null && selector.namespace !== "*") {
- throw new Error("Namespaced universal selectors are not yet supported by css-select");
- }
- return next;
- }
- }
- }
- exports.compileGeneralSelector = compileGeneralSelector;
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