/* * Copyright (C) 2023-2024 Yomitan Authors * Copyright (C) 2020-2022 Yomichan Authors * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ export class NativeSimpleDOMParser { /** * @param {string} content */ constructor(content) { /** @type {Document} */ this._document = new DOMParser().parseFromString(content, 'text/html'); } /** * @param {string} id * @param {import('simple-dom-parser').Element} [root] * @returns {?import('simple-dom-parser').Element} */ getElementById(id, root) { return this._convertElementOrDocument(root).querySelector(`[id='${id}']`); } /** * @param {string} tagName * @param {import('simple-dom-parser').Element} [root] * @returns {?import('simple-dom-parser').Element} */ getElementByTagName(tagName, root) { return this._convertElementOrDocument(root).querySelector(tagName); } /** * @param {string} tagName * @param {import('simple-dom-parser').Element} [root] * @returns {import('simple-dom-parser').Element[]} */ getElementsByTagName(tagName, root) { return [...this._convertElementOrDocument(root).querySelectorAll(tagName)]; } /** * @param {string} className * @param {import('simple-dom-parser').Element} [root] * @returns {import('simple-dom-parser').Element[]} */ getElementsByClassName(className, root) { return [...this._convertElementOrDocument(root).querySelectorAll(`.${className}`)]; } /** * @param {import('simple-dom-parser').Element} element * @param {string} attribute * @returns {?string} */ getAttribute(element, attribute) { const element2 = this._convertElement(element); return element2.hasAttribute(attribute) ? element2.getAttribute(attribute) : null; } /** * @param {import('simple-dom-parser').Element} element * @returns {string} */ getTextContent(element) { const {textContent} = this._convertElement(element); return typeof textContent === 'string' ? textContent : ''; } /** * @returns {boolean} */ static isSupported() { return typeof DOMParser !== 'undefined'; } /** * @param {import('simple-dom-parser').Element} element * @returns {Element} */ _convertElement(element) { return /** @type {Element} */ (element); } /** * @param {import('simple-dom-parser').Element|undefined} element * @returns {Element|Document} */ _convertElementOrDocument(element) { return typeof element !== 'undefined' ? /** @type {Element} */ (element) : this._document; } }