forked from zhurui/management
141 lines
5.7 KiB
JavaScript
141 lines
5.7 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");
|
|
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;
|