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contentExtension.js
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// // Copyright (C) 2021 - present Instructure, Inc. // // This file is part of Canvas. // // Canvas is free software: you can redistribute it and/or modify it under // the terms of the GNU Affero General Public License as published by the Free // Software Foundation, version 3 of the License. // // Canvas 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 Affero General Public License for more // details. // // You should have received a copy of the GNU Affero General Public License along // with this program. If not, see <http://www.gnu.org/licenses/>. import mime from 'mime/lite' export const extensionFromString = string => { const ext = string?.split('.')?.pop()?.split('?')?.shift() return mime.getType(ext) != null ? ext : null } export const findContentExtension = contentItem => (contentItem?.mediaType && mime.getExtension(contentItem.mediaType)) || extensionFromString(contentItem.url) || extensionFromString(contentItem.title) || extensionFromString(contentItem.text)