48 lines
1.6 KiB
JavaScript
48 lines
1.6 KiB
JavaScript
/*
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* Copyright (C) 2020 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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class TemplateHandler {
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constructor(html) {
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this._templates = new Map();
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const doc = new DOMParser().parseFromString(html, 'text/html');
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for (const template of doc.querySelectorAll('template')) {
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this._setTemplate(template);
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}
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}
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_setTemplate(template) {
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const idMatch = template.id.match(/^([a-z-]+)-template$/);
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if (!idMatch) {
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throw new Error(`Invalid template ID: ${template.id}`);
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}
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this._templates.set(idMatch[1], template);
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}
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instantiate(name) {
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const template = this._templates.get(name);
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return document.importNode(template.content.firstChild, true);
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}
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instantiateFragment(name) {
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const template = this._templates.get(name);
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return document.importNode(template.content, true);
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}
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}
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