wazuh-kibana-app/public/kibana-integrations/kbn-global-timepicker/time_navigation.js

/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import moment from 'moment';

export const timeNavigation = {
  // travel forward in time based on the interval between from and to
  stepForward({ min, max }) {
    const diff = max.diff(min);
    return {
      from: moment(max)
        .add(1, 'ms')
        .toISOString(),
      to: moment(max)
        .add(diff + 1, 'ms')
        .toISOString(),
      mode: 'absolute'
    };
  },

  // travel backwards in time based on the interval between from and to
  stepBackward({ min, max }) {
    const diff = max.diff(min);
    return {
      from: moment(min)
        .subtract(diff + 1, 'ms')
        .toISOString(),
      to: moment(min)
        .subtract(1, 'ms')
        .toISOString(),
      mode: 'absolute'
    };
  },

  // zoom out, doubling the difference between start and end, keeping the same time range center
  zoomOut({ min, max }) {
    const diff = max.diff(min);
    return {
      from: moment(min)
        .subtract(diff / 2, 'ms')
        .toISOString(),
      to: moment(max)
        .add(diff / 2, 'ms')
        .toISOString(),
      mode: 'absolute'
    };
  },

  // zoom in, halving the difference between start and end, keeping the same time range center
  zoomIn({ min, max }) {
    const diff = max.diff(min);
    return {
      from: moment(min)
        .add(diff / 4, 'ms')
        .toISOString(),
      to: moment(max)
        .subtract(diff / 4, 'ms')
        .toISOString(),
      mode: 'absolute'
    };
  }
};