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/*
* SonarQube
* Copyright (C) 2009-2019 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import { getBaseUrl } from './urls';
import { getExtensionFromCache } from './extensionsHandler';
let librariesExposed = false;
export function installScript(url: string, target: 'body' | 'head' = 'body'): Promise<any> {
return new Promise(resolve => {
const scriptTag = document.createElement('script');
scriptTag.src = `${getBaseUrl()}${url}`;
scriptTag.onload = resolve;
document.getElementsByTagName(target)[0].appendChild(scriptTag);
});
}
export async function getExtensionStart(key: string) {
const fromCache = getExtensionFromCache(key);
if (fromCache) {
return Promise.resolve(fromCache);
}
if (!librariesExposed) {
// Async import allows to reduce initial vendor bundle size
const exposeLibraries = (await import('../app/components/extensions/exposeLibraries')).default;
exposeLibraries();
librariesExposed = true;
}
await installScript(`/static/${key}.js`);
const start = getExtensionFromCache(key);
if (start) {
return start;
}
return Promise.reject();
}
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