93 lines
3.0 KiB
JavaScript
93 lines
3.0 KiB
JavaScript
/*
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* Copyright © 2020 Luciano Iam <oss@lucianoiam.com>
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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 2 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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// This is a convenience module for loading the 'toolkit' audio widget library
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// https://github.com/DeutscheSoft/toolkit
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// GPLv3 license, docs at http://docs.deuso.de/Toolkit/
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const STYLES = [];
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const SCRIPTS = [
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'G',
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'toolkit',
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'implements/audiomath',
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'implements/base',
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'implements/anchor',
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'implements/globalcursor',
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'implements/ranged',
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'implements/gradient',
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'implements/warning',
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'widgets/widget',
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'modules/circular',
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'modules/dragcapture',
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'modules/dragvalue',
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'modules/range',
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'modules/scale',
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'modules/scrollvalue',
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'widgets/icon',
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'widgets/label',
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'widgets/button',
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'widgets/container',
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'widgets/dialog',
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'widgets/meterbase',
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'widgets/state',
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'widgets/toggle',
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'widgets/levelmeter',
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'widgets/value',
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'widgets/fader',
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'widgets/knob',
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'widgets/root'
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];
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export default async function loadToolkit() {
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const tkPath = '../toolkit';
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// stylesheets can be loaded in parallel
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const p = STYLES.map((style) => loadStylesheet(import.meta, `${tkPath}/styles/${style}.css`));
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await Promise.all(p);
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// scripts need to be loaded sequentially
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for (const script of SCRIPTS) {
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await loadScript(import.meta, `${tkPath}/${script}.js`);
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}
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}
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async function loadStylesheet(importMeta, path) {
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return new Promise((resolve, reject) => {
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const link = document.createElement('link');
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link.rel = 'stylesheet';
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link.type = 'text/css';
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link.href = `${getModuleBasename(importMeta)}/${path}`;
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link.addEventListener('error', (ev) => reject(Error('Stylesheet failed to load')));
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link.addEventListener('load', resolve);
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document.head.appendChild(link);
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});
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}
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async function loadScript(importMeta, path) {
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return new Promise((resolve, reject) => {
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const script = document.createElement('script');
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script.src = `${getModuleBasename(importMeta)}/${path}`;
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script.addEventListener('error', (ev) => reject(Error('Script failed to load')));
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script.addEventListener('load', resolve);
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document.body.appendChild(script);
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});
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}
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function getModuleBasename(importMeta) {
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return importMeta.url.substring(0, importMeta.url.lastIndexOf('/'));
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}
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