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webpd

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WebPd is a compiler for audio programming language Pure Data allowing to run .pd patches on web pages.

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/* * Copyright (c) 2022-2023 Sébastien Piquemal <sebpiq@protonmail.com>, Chris McCormick. * * This file is part of WebPd * (see https://github.com/sebpiq/WebPd). * * 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, see <http://www.gnu.org/licenses/>. */ const urlDirName = (url) => { if (isExternalUrl(url)) { return new URL('.', url).href; } else { return new URL('.', new URL(url, document.URL).href).href; } }; // REF : https://stackoverflow.com/questions/10687099/how-to-test-if-a-url-string-is-absolute-or-relative const isExternalUrl = (urlString) => { try { const url = new URL(urlString); if (url.origin !== new URL(document.URL, document.baseURI).origin) { return true; } } catch (_e) { new URL(urlString, document.baseURI); } return false; }; export { isExternalUrl, urlDirName };