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: / var / canvas / ui / shared / util /
Filename : flattenObjects.ts
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// @ts-nocheck
/*
 * Copyright (C) 2013 - 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 {isArray, each, clone} from 'lodash'

function flattenObjects(array, key, backward, output) {
  if (!isArray(array)) {
    array = [array]
  }
  if (!isArray(output)) {
    output = []
  }
  each(array, object => {
    output.push(object)
    if (object[key]) {
      let children = object[key]
      if (backward) {
        children = clone(children)
        children.reverse()
      }
      flattenObjects(children, key, backward, output)
    }
  })
  return output
}

export default flattenObjects