happy-dom
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Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.
188 lines • 7.22 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const XMLParser_js_1 = __importDefault(require("../../xml-parser/XMLParser.cjs"));
const PropertySymbol = __importStar(require("../../PropertySymbol.cjs"));
const HTMLCollection_js_1 = __importDefault(require("../element/HTMLCollection.cjs"));
const NamespaceURI_js_1 = __importDefault(require("../../config/NamespaceURI.cjs"));
/**
* Parent node utility.
*/
class ParentNodeUtility {
/**
* Inserts a set of Node objects or DOMString objects after the last child of the ParentNode. DOMString objects are inserted as equivalent Text nodes.
*
* @param parentNode Parent node.
* @param nodes List of Node or DOMString.
*/
static append(parentNode, ...nodes) {
for (const node of nodes) {
if (typeof node === 'string') {
XMLParser_js_1.default.parse(parentNode[PropertySymbol.ownerDocument], node, {
rootNode: parentNode
});
}
else {
parentNode.appendChild(node);
}
}
}
/**
* Inserts a set of Node objects or DOMString objects before the first child of the ParentNode. DOMString objects are inserted as equivalent Text nodes.
*
* @param parentNode Parent node.
* @param nodes List of Node or DOMString.
*/
static prepend(parentNode, ...nodes) {
const firstChild = parentNode.firstChild;
for (const node of nodes) {
if (typeof node === 'string') {
const newChildNodes = (XMLParser_js_1.default.parse(parentNode[PropertySymbol.ownerDocument], node))[PropertySymbol.childNodes].slice();
for (const newChildNode of newChildNodes) {
parentNode.insertBefore(newChildNode, firstChild);
}
}
else {
parentNode.insertBefore(node, firstChild);
}
}
}
/**
* Replaces the existing children of a ParentNode with a specified new set of children.
*
* @param parentNode Parent node.
* @param nodes List of Node or DOMString.
*/
static replaceChildren(parentNode, ...nodes) {
for (const node of parentNode[PropertySymbol.childNodes].slice()) {
parentNode.removeChild(node);
}
this.append(parentNode, ...nodes);
}
/**
* Returns an elements by class name.
*
* @param parentNode Parent node.
* @param className Tag name.
* @returns Matching element.
*/
static getElementsByClassName(parentNode, className) {
let matches = new HTMLCollection_js_1.default();
for (const child of parentNode[PropertySymbol.children]) {
if (child.className.split(' ').includes(className)) {
matches.push(child);
}
matches = (matches.concat(this.getElementsByClassName(child, className)));
}
return matches;
}
/**
* Returns an elements by tag name.
*
* @param parentNode Parent node.
* @param tagName Tag name.
* @returns Matching element.
*/
static getElementsByTagName(parentNode, tagName) {
const upperTagName = tagName.toUpperCase();
const includeAll = tagName === '*';
let matches = new HTMLCollection_js_1.default();
for (const child of parentNode[PropertySymbol.children]) {
if (includeAll || child[PropertySymbol.tagName].toUpperCase() === upperTagName) {
matches.push(child);
}
matches = (matches.concat(this.getElementsByTagName(child, tagName)));
}
return matches;
}
/**
* Returns an elements by tag name and namespace.
*
* @param parentNode Parent node.
* @param namespaceURI Namespace URI.
* @param tagName Tag name.
* @returns Matching element.
*/
static getElementsByTagNameNS(parentNode, namespaceURI, tagName) {
// When the namespace is HTML, the tag name is case-insensitive.
const formattedTagName = namespaceURI === NamespaceURI_js_1.default.html ? tagName.toUpperCase() : tagName;
const includeAll = tagName === '*';
let matches = new HTMLCollection_js_1.default();
for (const child of parentNode[PropertySymbol.children]) {
if ((includeAll || child[PropertySymbol.tagName] === formattedTagName) &&
child[PropertySymbol.namespaceURI] === namespaceURI) {
matches.push(child);
}
matches = (matches.concat(this.getElementsByTagNameNS(child, namespaceURI, tagName)));
}
return matches;
}
/**
* Returns the first element matching a tag name.
* This is not part of the browser standard and is only used internally in the document.
*
* @param parentNode Parent node.
* @param tagName Tag name.
* @returns Matching element.
*/
static getElementByTagName(parentNode, tagName) {
const upperTagName = tagName.toUpperCase();
for (const child of parentNode[PropertySymbol.children]) {
if (child[PropertySymbol.tagName] === upperTagName) {
return child;
}
const match = this.getElementByTagName(child, tagName);
if (match) {
return match;
}
}
return null;
}
/**
* Returns an element by ID.
*
* @param parentNode Parent node.
* @param id ID.
* @returns Matching element.
*/
static getElementById(parentNode, id) {
id = String(id);
for (const child of parentNode[PropertySymbol.children]) {
if (child.id === id) {
return child;
}
const match = this.getElementById(child, id);
if (match) {
return match;
}
}
return null;
}
}
exports.default = ParentNodeUtility;
//# sourceMappingURL=ParentNodeUtility.cjs.map