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.
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JavaScript
"use strict";
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 };
};
var _a, _b, _c;
Object.defineProperty(exports, "__esModule", { value: true });
const Node_js_1 = __importDefault(require("../node/Node.cjs"));
const PropertySymbol = __importStar(require("../../PropertySymbol.cjs"));
const QuerySelector_js_1 = __importDefault(require("../../query-selector/QuerySelector.cjs"));
const ParentNodeUtility_js_1 = __importDefault(require("../parent-node/ParentNodeUtility.cjs"));
const HTMLCollection_js_1 = __importDefault(require("../element/HTMLCollection.cjs"));
const ElementUtility_js_1 = __importDefault(require("../element/ElementUtility.cjs"));
const NodeTypeEnum_js_1 = __importDefault(require("../node/NodeTypeEnum.cjs"));
/**
* DocumentFragment.
*/
class DocumentFragment extends Node_js_1.default {
constructor() {
super(...arguments);
this[_a] = new HTMLCollection_js_1.default();
this[_b] = this;
this[_c] = NodeTypeEnum_js_1.default.documentFragmentNode;
}
/**
* Returns the document fragment children.
*/
get children() {
return this[PropertySymbol.children];
}
/**
* Last element child.
*
* @returns Element.
*/
get childElementCount() {
return this[PropertySymbol.children].length;
}
/**
* First element child.
*
* @returns Element.
*/
get firstElementChild() {
return this[PropertySymbol.children][0] ?? null;
}
/**
* Last element child.
*
* @returns Element.
*/
get lastElementChild() {
return this[PropertySymbol.children][this[PropertySymbol.children].length - 1] ?? null;
}
/**
* Get text value of children.
*
* @returns Text content.
*/
get textContent() {
let result = '';
for (const childNode of this[PropertySymbol.childNodes]) {
if (childNode[PropertySymbol.nodeType] === NodeTypeEnum_js_1.default.elementNode ||
childNode[PropertySymbol.nodeType] === NodeTypeEnum_js_1.default.textNode) {
result += childNode.textContent;
}
}
return result;
}
/**
* Sets text content.
*
* @param textContent Text content.
*/
set textContent(textContent) {
for (const child of this[PropertySymbol.childNodes].slice()) {
this.removeChild(child);
}
if (textContent) {
this.appendChild(this[PropertySymbol.ownerDocument].createTextNode(textContent));
}
}
/**
* 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 nodes List of Node or DOMString.
*/
append(...nodes) {
ParentNodeUtility_js_1.default.append(this, ...nodes);
}
/**
* 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 nodes List of Node or DOMString.
*/
prepend(...nodes) {
ParentNodeUtility_js_1.default.prepend(this, ...nodes);
}
/**
* Replaces the existing children of a node with a specified new set of children.
*
* @param nodes List of Node or DOMString.
*/
replaceChildren(...nodes) {
ParentNodeUtility_js_1.default.replaceChildren(this, ...nodes);
}
/**
* Query CSS selector to find matching elments.
*
* @param selector CSS selector.
* @returns Matching elements.
*/
querySelectorAll(selector) {
return QuerySelector_js_1.default.querySelectorAll(this, selector);
}
/**
* Query CSS Selector to find a matching element.
*
* @param selector CSS selector.
* @returns Matching element.
*/
querySelector(selector) {
return QuerySelector_js_1.default.querySelector(this, selector);
}
/**
* Returns an element by ID.
*
* @param id ID.
* @returns Matching element.
*/
getElementById(id) {
return ParentNodeUtility_js_1.default.getElementById(this, id);
}
/**
* @override
*/
[(_a = PropertySymbol.children, _b = PropertySymbol.rootNode, _c = PropertySymbol.nodeType, PropertySymbol.cloneNode)](deep = false) {
const clone = super[PropertySymbol.cloneNode](deep);
if (deep) {
for (const node of clone[PropertySymbol.childNodes]) {
if (node[PropertySymbol.nodeType] === NodeTypeEnum_js_1.default.elementNode) {
clone[PropertySymbol.children].push(node);
}
}
}
return clone;
}
/**
* @override
*/
[PropertySymbol.appendChild](node) {
// We do not call super here as this will be handled by ElementUtility to improve performance by avoiding validation and other checks.
return ElementUtility_js_1.default.appendChild(this, node);
}
/**
* @override
*/
[PropertySymbol.removeChild](node) {
// We do not call super here as this will be handled by ElementUtility to improve performance by avoiding validation and other checks.
return ElementUtility_js_1.default.removeChild(this, node);
}
/**
* @override
*/
[PropertySymbol.insertBefore](newNode, referenceNode) {
// We do not call super here as this will be handled by ElementUtility to improve performance by avoiding validation and other checks.
return ElementUtility_js_1.default.insertBefore(this, newNode, referenceNode);
}
}
exports.default = DocumentFragment;
//# sourceMappingURL=DocumentFragment.cjs.map