/* * Copyright (C) 2020 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 <http://www.gnu.org/licenses/>. */ class TemplateHandler { constructor(html) { this._templates = new Map(); const doc = new DOMParser().parseFromString(html, 'text/html'); for (const template of doc.querySelectorAll('template')) { this._setTemplate(template); } } _setTemplate(template) { const idMatch = template.id.match(/^([a-z-]+)-template$/); if (!idMatch) { throw new Error(`Invalid template ID: ${template.id}`); } this._templates.set(idMatch[1], template); } instantiate(name) { const template = this._templates.get(name); return document.importNode(template.content.firstChild, true); } instantiateFragment(name) { const template = this._templates.get(name); return document.importNode(template.content, true); } }