public_library_map/node_modules/css-select/lib/general.js
2021-09-05 10:12:48 +00:00

105 lines
4.2 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.compileGeneralSelector = void 0;
var attributes_1 = require("./attributes");
var pseudo_selectors_1 = require("./pseudo-selectors");
/*
* All available rules
*/
function compileGeneralSelector(next, selector, options, context, compileToken) {
var adapter = options.adapter, equals = options.equals;
switch (selector.type) {
case "pseudo-element":
throw new Error("Pseudo-elements are not supported by css-select");
case "attribute":
return attributes_1.attributeRules[selector.action](next, selector, options);
case "pseudo":
return pseudo_selectors_1.compilePseudoSelector(next, selector, options, context, compileToken);
// Tags
case "tag":
return function tag(elem) {
return adapter.getName(elem) === selector.name && next(elem);
};
// Traversal
case "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
// eslint-disable-next-line no-case-declarations
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 "parent":
return function parent(elem) {
return adapter
.getChildren(elem)
.some(function (elem) { return adapter.isTag(elem) && next(elem); });
};
case "child":
return function child(elem) {
var parent = adapter.getParent(elem);
return parent != null && adapter.isTag(parent) && next(parent);
};
case "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 "adjacent":
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 "universal":
return next;
}
}
exports.compileGeneralSelector = compileGeneralSelector;