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: / var / canvas / packages / link-header-parsing /

Filename : parseLinkHeaderFromXHR.js

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/*
 * Copyright (C) 2018 - 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/>.
 */

const regex = /<(http.*?)>; rel="([a-z]*)"/g

export default function parseLinkHeader(jqXhr) {
  let link
  const links = {}
  const header = jqXhr && jqXhr.getResponseHeader('Link')
  if (!header) return links
  while ((link = regex.exec(header))) {
    links[link[2]] = link[1]
  }
  return links
}