Files
superset2/superset-frontend/plugins/legacy-plugin-chart-calendar/src/utils.ts

39 lines
1.5 KiB
TypeScript

/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 { getTimeFormatter } from '@superset-ui/core';
// Cal-Heatmap provides local timestamps. We subtract the offset so that utcFormat displays the correct local date.
export const getFormattedUTCTime = (
ts: number | string,
timeFormat?: string,
) => {
const date = new Date(ts);
const offset = date.getTimezoneOffset() * 60 * 1000;
return getTimeFormatter(timeFormat)(date.getTime() - offset);
};
// The vendor library interprets timestamps as local time but the backend sends UTC timestamps.
// That's why we need to add the offset
export const convertUTCTimestampToLocal = (utcTimestamp: number): number => {
const date = new Date(utcTimestamp);
const offsetMs = date.getTimezoneOffset() * 60 * 1000;
return utcTimestamp + offsetMs;
};